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Line	Label	Object Class	Period Type	Balance	Report ElementName
1	1001 - Document - Document and Entity Information	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DocumentandEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document and entity information [abstract]	Abstract			chl:DocumentAndEntityInformationAbstract
4	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
5	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
6	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
7	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
8	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
9	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
10	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
11	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
12	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
13	Entity Well-known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
14	Entity Current Reporting Status	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
15	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
16	Entity Shell Company	Concept (Yes/No)	For Period		dei:EntityShellCompany
17	Entity Emerging Growth Company	Concept (Yes/No)	For Period		dei:EntityEmergingGrowthCompany
18	Entity Common Stock, Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
19	1003 - Statement - Consolidated Statements of Comprehensive Income	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByNatureOfExpense-320000
20	Implied Table	Table	*	*	implied:Table
21	Profit or loss [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
22	Operating revenue	Abstract			ifrs-full:RevenueAbstract
23	Revenue from telecommunications services	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfTelecommunicationServices
24	Revenue from sales of products and others	Concept (Monetary)	For Period	Credit	chl:OtherOperatingRevenues
25	Operating revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
26	Operating expenses	Abstract			ifrs-full:ExpenseByNatureAbstract
27	Leased lines and network assets	Concept (Monetary)	For Period	Debit	chl:LeasedLinesAndNetworkAssetsExpenses
28	Interconnection	Concept (Monetary)	For Period	Debit	chl:InterconnectionExpenses
29	Depreciation	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
30	Employee benefit and related expenses	Concept (Monetary)	For Period	Debit	ifrs-full:EmployeeBenefitsExpense
31	Selling expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SalesAndMarketingExpense
32	Cost of products sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
33	Other operating expenses	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
34	Operating expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OperatingExpense
35	Profit from operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
36	Other gains	Concept (Monetary)	For Period	Credit	ifrs-full:OtherGainsLosses
37	Interest and other income	Concept (Monetary)	For Period	Credit	chl:InterestAndOtherIncome
38	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
39	Income from investments accounted for using the equity method	Concept (Monetary)	For Period	Credit	chl:IncomeFromInvestmentsAccountedForUsingTheEquityMethod
40	Profit before taxation	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
41	Taxation	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
42	PROFIT FOR THE YEAR	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
43	Other comprehensive income for the year, net of tax:	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
44	Items that will not be subsequently reclassified to profit or loss	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
45	Changes in the fair value of equity investments at fair value through other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
46	Share of other comprehensive income/(loss) of investments accounted for using the equity method	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax
47	Items that may be subsequently reclassified to profit or loss	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
48	Change in value of available-for-sale financial assets	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
49	Currency translation differences	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
50	Share of other comprehensive income/(loss) of investments accounted for using the equity method	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
51	TOTAL COMPREHENSIVE INCOME FOR THE YEAR	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
52	Profit attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
53	Equity shareholders of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
54	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
55	PROFIT FOR THE YEAR	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
56	Total comprehensive income attributable to:	Abstract			ifrs-full:ComprehensiveIncomeAttributableToAbstract
57	Equity shareholders of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
58	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
59	TOTAL COMPREHENSIVE INCOME FOR THE YEAR	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
60	Earnings per share - Basic and diluted	Concept (Share)	For Period		ifrs-full:BasicAndDilutedEarningsLossPerShare
61	1004 - Statement - Consolidated Balance Sheets	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000
62	Implied Table	Table	*	*	implied:Table
63	Statement of financial position [abstract]	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
64	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
65	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
66	Construction in progress	Concept (Monetary)	As Of	Debit	ifrs-full:ConstructionInProgress
67	Land lease prepayments and others	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentAssets
68	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
69	Other intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
70	Investments accounted for using the equity method	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
71	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
72	Financial assets at fair value through other comprehensive income	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
73	Available-for-sale financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssetsAvailableforsale
74	Restricted bank deposits	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
75	Other non-current assets	Concept (Monetary)	As Of	Debit	chl:NonCurrentContractAssetsAndNonCurrentContractCosts
76	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
77	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
78	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
79	Contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentContractAssets
80	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
81	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentReceivables
82	Prepayments and other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
83	Amount due from ultimate holding company	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherReceivablesDueFromRelatedParties
84	Tax recoverable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
85	Financial assets at fair value through profit or loss	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
86	Available-for-sale financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAvailableforsale
87	Restricted bank deposits	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentRestrictedCashAndCashEquivalents
88	Bank deposits	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermDepositsNotClassifiedAsCashEquivalents
89	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
90	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
91	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
92	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
93	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
94	Bills payable	Concept (Monetary)	As Of	Credit	chl:CurrentBillsPayable
95	Deferred revenue	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsCurrent
96	Accrued expenses and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
97	Amount due to ultimate holding company	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
98	Income tax payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilitiesCurrent
99	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
100	Non-current liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
101	Deferred revenue - non-current	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsNoncurrent
102	Deferred tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
103	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
104	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
105	Equity	Abstract			ifrs-full:EquityAbstract
106	Share capital	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
107	Reserves	Concept (Monetary)	As Of	Credit	ifrs-full:OtherEquityInterest
108	Total equity attributable to equity shareholders of the Company	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
109	Non-controlling interests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
110	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
111	Total equity and liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
112	1005 - Statement - Consolidated Statements of Changes in Equity	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000
113	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
114	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
115	Equity [member]	Member			ifrs-full:EquityMember
116	Share capital [Member]	Member			ifrs-full:IssuedCapitalMember
117	Capital reserve [Member]	Member			ifrs-full:CapitalReserveMember
118	General reserve [Member]	Member			ifrs-full:MiscellaneousOtherReservesMember
119	Exchange reserve [Member]	Member			ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
120	PRC statutory and other reserves [member]	Member			chl:PrcStatutoryAndOtherReservesMember
121	Retained profits [Member]	Member			ifrs-full:RetainedEarningsMember
122	Attributable to equity shareholders of the Company [member]	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
123	Non-controlling interests [Member]	Member			ifrs-full:NoncontrollingInterestsMember
124	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
125	Currently stated [member]	Member			ifrs-full:RestatedMember
126	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
127	Increase decrease due to changes in accounting policy required by IFRS15 and IFRS9 [member]	Member			chl:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrs15AndIfrs9Member
128	As restated [member]	Member			chl:RestatedBalanceMember
129	Statement of changes in equity [line items]	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
130	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
131	Changes in equity	Abstract			ifrs-full:ChangesInEquityAbstract
132	PROFIT FOR THE YEAR	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
133	Change in value of available-for-sale financial assets	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
134	Changes in the fair value of financial assets at fair value through other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
135	Currency translation differences	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
136	Share of other comprehensive income (loss) of investments accounted for using the equity method	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
137	TOTAL COMPREHENSIVE INCOME FOR THE YEAR	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
138	Dividends approved in respect of previous year (note 32(b)(ii))	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears
139	Dividends declared in respect of current year (note 32(b)(i))	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear
140	Transfer to PRC statutory reserves (note 32(c)(ii))	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve
141	Others	Concept (Monetary)	For Period	Credit	chl:OtherIndividuallyImmaterialChangesInEquity
142	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
143	1006 - Statement - Consolidated Statements of Cash Flows	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000
144	Statement [table]	Table	*	*	chl:StatementTable
145	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
146	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
147	Hong Kong [member]	Member			country:HK
148	PRC [member]	Member			country:CN
149	Statement [LineItems]	LineItems			chl:StatementLineItems
150	Operating activities	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
151	Profit before taxation	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
152	Adjustments for:	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
153	Depreciation of property, plant and equipment	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
154	Amortization of other intangible assets	Concept (Monetary)	For Period		ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
155	Amortization of land lease prepayments	Concept (Monetary)	For Period	Debit	chl:AmortizationOfPrepaidLandLeasePayment
156	Loss/(gain) on disposal of property, plant and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment
157	Write-off and impairment of property, plant and equipment	Concept (Monetary)	For Period		chl:WriteoffAndImpairmentOfPropertyPlantAndEquipment
158	Impairment loss of doubtful accounts	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables
159	Write-down of inventories	Concept (Monetary)	For Period		ifrs-full:InventoryWritedown2011
160	Interest and other income	Concept (Monetary)	For Period	Credit	chl:InterestAndOtherIncome
161	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
162	Income from investments accounted for using the equity method	Concept (Monetary)	For Period	Credit	chl:IncomeFromInvestmentsAccountedForUsingTheEquityMethod
163	Net exchange gain	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
164	Operating cash flows before changes in working capital	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
165	Decrease/(increase) in inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
166	Increase in contract assets	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForDecreaseIncreaseInContractAssets
167	Increase in contract cost	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForDecreaseIncreaseInContractCost
168	Increase in accounts receivable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
169	Decrease/(increase) in other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables
170	Increase in prepayments and other current assets	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForDecreaseIncreaseInPrepaymentsAndOtherCurrentAssets
171	(Increase)/decrease in amount due from ultimate holding company	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForDecreaseIncreaseInAmountDueFromUltimateHoldingCompany
172	Increase in deposited customer reserves	Concept (Monetary)	For Period	Debit	chl:IncreaseInDepositedCustomerReserves
173	(Decrease)/increase in accounts payable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
174	Increase in bills payable	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForIncreaseDecreaseInBillsPayable
175	(Decrease)/increase in deferred revenue	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInDeferredIncome
176	Increase in accrued expenses and other payables	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForIncreaseDecreaseInAccruedExpensesAndOtherPayables
177	Increase in amount due to ultimate holding company	Concept (Monetary)	For Period	Debit	chl:AdjustmentsForIncreaseDecreaseInAmountDueToUltimateHoldingCompany
178	Cash generated from operations	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperations
179	Tax paid	Abstract			ifrs-full:IncomeTaxesPaidRefundAbstract
180	Tax paid	Concept (Monetary)	For Period	Credit	chl:ProfitsTaxPaidClassifiedAsOperatingActivities
181	Net cash generated from operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
182	Investing activities	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
183	Capital expenditure	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
184	Land lease prepayments and others	Concept (Monetary)	For Period	Credit	chl:LandLeasePrepaymentsAndOthersClassifiedAsInvestingActivities
185	Acquisition of other intangible assets	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
186	Proceeds from disposal of property, plant and equipment	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
187	(Increase)/decrease in bank deposits	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments
188	(Increase)/decrease in restricted bank deposits (excluding deposited customer reserves)	Concept (Monetary)	For Period	Debit	chl:DecreaseIncreaseInRestrictedBankDepositsExcludingDepositedCustomerReserves
189	Interest received	Concept (Monetary)	For Period	Debit	ifrs-full:InterestReceivedClassifiedAsInvestingActivities
190	Payment for investments accounted for using the equity method	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
191	Dividends received from investments accounted for using the equity method	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities
192	Purchase of available-for-sale financial assets	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfAvailableforsaleFinancialAssets
193	Maturity of available-for-sale financial assets	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
194	Purchase of financial assets at fair value through profit or loss	Concept (Monetary)	For Period	Credit	chl:PurchaseOfFinancialAssetsAtFairValueOfProfitAndLoss
195	Maturity of financial assets at fair value through profit or loss	Concept (Monetary)	For Period	Credit	chl:MaturityOfFinancialAssetsAtFairValueThroughProfitOrLoss
196	Purchase of financial assets at fair value through other comprehensive income	Concept (Monetary)	For Period	Credit	chl:PurchaseOfFinancialAssetsAtFairValueOfOtherComprehensiveIncome
197	Short-term loans granted by China Mobile Finance and payment for other investments	Concept (Monetary)	For Period	Credit	chl:CashFlowsFromShorttermLoansAndPaymentToOthers
198	Maturity of short-term loans granted by China Mobile Finance and other investments	Concept (Monetary)	For Period	Debit	chl:CashFlowsFromMaturityOfShortTermLoansAndPaymentToOthers
199	Receipt of consideration from China Tower	Concept (Monetary)	For Period	Debit	chl:CashReceiptsFromAssociatesClassifiedAsInvestingActivities
200	Others	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
201	Net cash used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
202	Financing activities	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
203	Interest paid	Concept (Monetary)	For Period	Credit	ifrs-full:InterestPaidClassifiedAsFinancingActivities
204	Dividends paid to the Company's equity shareholders	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
205	Dividends paid to non-controlling shareholders of subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities
206	Short-term deposits placed by ultimate holding company	Concept (Monetary)	For Period	Debit	chl:ProceedsFromShorttermDepositsPlacedByUltimateHoldingCompany
207	Repayment of short-term deposits placed by ultimate holding company	Concept (Monetary)	For Period	Credit	chl:RepaymentOfShorttermDepositsPlacedByUltimateHoldingCompany
208	Repayment of bonds	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBondsNotesAndDebentures
209	Net cash used in financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
210	Net (decrease)/increase in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
211	Cash and cash equivalents at beginning of year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
212	Effect of changes in foreign exchange rate	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
213	Cash and cash equivalents at end of year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
214	1007 - Disclosure - General Information	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
215	Implied Table	Table	*	*	implied:Table
216	Text block [abstract]	Abstract			chl:TextBlockAbstract
217	General Information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
218	1008 - Disclosure - Significant Accounting Policies	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
219	Implied Table	Table	*	*	implied:Table
220	Text block [abstract]	Abstract			chl:TextBlockAbstract
221	Significant Accounting Policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
222	1009 - Disclosure - Changes in Accounting Policies	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfChangesInAccountingPoliciesExplanatory
223	Implied Table	Table	*	*	implied:Table
224	Text block [abstract]	Abstract			chl:TextBlockAbstract
225	Changes in Accounting Policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory
226	1010 - Disclosure - Operating Revenue	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRevenueExplanatory
227	Implied Table	Table	*	*	implied:Table
228	Text block [abstract]	Abstract			chl:TextBlockAbstract
229	Operating Revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRevenueExplanatory
230	1011 - Disclosure - Employee Benefit and Related Expenses	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatory
231	Implied Table	Table	*	*	implied:Table
232	Text block [abstract]	Abstract			chl:TextBlockAbstract
233	Employee Benefit and Related Expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
234	1012 - Disclosure - Other Operating Expenses	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingExpenseExplanatory
235	Implied Table	Table	*	*	implied:Table
236	Text block [abstract]	Abstract			chl:TextBlockAbstract
237	Other Operating Expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory
238	1013 - Disclosure - Other Gains	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherGainsExplanatory
239	Implied Table	Table	*	*	implied:Table
240	Text block [abstract]	Abstract			chl:TextBlockAbstract
241	Other Gains	Concept (Text Block (HTML))	For Period		chl:DisclosureOfOtherGainsExplanatory
242	1014 - Disclosure - Interest and Other Income	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInterestAndOtherIncomeExplanatory
243	Implied Table	Table	*	*	implied:Table
244	Text block [abstract]	Abstract			chl:TextBlockAbstract
245	Interest and Other Income	Concept (Text Block (HTML))	For Period		chl:DisclosureOfInterestAndOtherIncomeExplanatory
246	1015 - Disclosure - Finance Costs	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceCostExplanatory
247	Implied Table	Table	*	*	implied:Table
248	Text block [abstract]	Abstract			chl:TextBlockAbstract
249	Finance Costs	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceCostExplanatory
250	1016 - Disclosure - Directors' Remuneration	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutKeyManagementPersonnelExplanatory
251	Implied Table	Table	*	*	implied:Table
252	Text block [abstract]	Abstract			chl:TextBlockAbstract
253	Directors' Remuneration	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
254	1017 - Disclosure - Individuals with Highest Emoluments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutEmployeesExplanatory
255	Implied Table	Table	*	*	implied:Table
256	Text block [abstract]	Abstract			chl:TextBlockAbstract
257	Individuals with Highest Emoluments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory
258	1018 - Disclosure - Taxation	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory
259	Implied Table	Table	*	*	implied:Table
260	Text block [abstract]	Abstract			chl:TextBlockAbstract
261	Taxation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
262	1019 - Disclosure - Earnings Per Share	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatory
263	Implied Table	Table	*	*	implied:Table
264	Text block [abstract]	Abstract			chl:TextBlockAbstract
265	Earnings Per Share	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEarningsPerShareExplanatory
266	1020 - Disclosure - Property, Plant and Equipment	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory
267	Implied Table	Table	*	*	implied:Table
268	Text block [abstract]	Abstract			chl:TextBlockAbstract
269	Property, Plant and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
270	1021 - Disclosure - Construction in Progress	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfConstructionInProgressExplanatory
271	Implied Table	Table	*	*	implied:Table
272	Text block [abstract]	Abstract			chl:TextBlockAbstract
273	Construction in Progress	Concept (Text Block (HTML))	For Period		chl:DisclosureOfConstructionInProgressExplanatory
274	1022 - Disclosure - Land Lease Prepayments and Others	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfLeasesExplanatory
275	Implied Table	Table	*	*	implied:Table
276	Text block [abstract]	Abstract			chl:TextBlockAbstract
277	Land Lease Prepayments and Others	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfLeasesExplanatory
278	1023 - Disclosure - Goodwill	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatory
279	Implied Table	Table	*	*	implied:Table
280	Text block [abstract]	Abstract			chl:TextBlockAbstract
281	Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGoodwillExplanatory
282	1024 - Disclosure - Subsidiaries	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInterestsInSubsidiariesExplanatory
283	Implied Table	Table	*	*	implied:Table
284	Investments accounted for using equity method [abstract]	Abstract			ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
285	Subsidiaries	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
286	1025 - Disclosure - Investments Accounted for Using the Equity Method	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
287	Implied Table	Table	*	*	implied:Table
288	Text block [abstract]	Abstract			chl:TextBlockAbstract
289	Investments Accounted for Using the Equity Method	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
290	1026 - Disclosure - Deferred Tax Assets and Liabilities	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredTaxesExplanatory
291	Implied Table	Table	*	*	implied:Table
292	Text block [abstract]	Abstract			chl:TextBlockAbstract
293	Deferred Tax Assets and Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDeferredTaxesExplanatory
294	1027 - Disclosure - Fair Value Measurement of Financial Instruments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFairValueMeasurementExplanatory
295	Implied Table	Table	*	*	implied:Table
296	Text block [abstract]	Abstract			chl:TextBlockAbstract
297	Fair Value Measurement of Financial Instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementExplanatory
298	1028 - Disclosure - Restricted Bank Deposits	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRestrictedCashAndCashEquivalentsExplanatory
299	Implied Table	Table	*	*	implied:Table
300	Text block [abstract]	Abstract			chl:TextBlockAbstract
301	Restricted Bank Deposits	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRestrictedCashAndCashEquivalentsExplanatory
302	1029 - Disclosure - Inventories	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory
303	Implied Table	Table	*	*	implied:Table
304	Text block [abstract]	Abstract			chl:TextBlockAbstract
305	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
306	1030 - Disclosure - Accounts Receivable	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountsReceivableExplanatory
307	Implied Table	Table	*	*	implied:Table
308	Text block [abstract]	Abstract			chl:TextBlockAbstract
309	Accounts Receivable	Concept (Text Block (HTML))	For Period		chl:DisclosureOfAccountsReceivableExplanatory
310	1031 - Disclosure - Other Receivables, Prepayments and Other Current Assets	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherReceivablesPrepaymentsAndOtherCurrentAssetsExplanatory
311	Implied Table	Table	*	*	implied:Table
312	Text block [abstract]	Abstract			chl:TextBlockAbstract
313	Other Receivables, Prepayments and Other Current Assets	Concept (Text Block (HTML))	For Period		chl:DisclosureOfOtherReceivablesPrepaymentsAndOtherCurrentAssetsExplanatory
314	1032 - Disclosure - Amounts Due from/to Ultimate Holding Company	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAmountDueFromToUltimateHoldingCompanyExplanatory
315	Implied Table	Table	*	*	implied:Table
316	Text block [abstract]	Abstract			chl:TextBlockAbstract
317	Amounts Due from/to Ultimate Holding Company	Concept (Text Block (HTML))	For Period		chl:DisclosureOfAmountDueFromToUltimateHoldingCompanyExplanatory
318	1033 - Disclosure - Bank Deposits	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBankDepositExplanatory
319	Implied Table	Table	*	*	implied:Table
320	Text block [abstract]	Abstract			chl:TextBlockAbstract
321	Bank Deposits	Concept (Text Block (HTML))	For Period		chl:DisclosureOfBankDepositExplanatory
322	1034 - Disclosure - Cash and Cash Equivalents	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatory
323	Implied Table	Table	*	*	implied:Table
324	Text block [abstract]	Abstract			chl:TextBlockAbstract
325	Cash and Cash Equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
326	1035 - Disclosure - Accounts Payable	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountsPayableExplanatory
327	Implied Table	Table	*	*	implied:Table
328	Text block [abstract]	Abstract			chl:TextBlockAbstract
329	Accounts Payable	Concept (Text Block (HTML))	For Period		chl:DisclosureOfAccountsPayableExplanatory
330	1036 - Disclosure - Deferred Revenue	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredIncomeExplanatory
331	Implied Table	Table	*	*	implied:Table
332	Text block [abstract]	Abstract			chl:TextBlockAbstract
333	Deferred Revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDeferredIncomeExplanatory
334	1037 - Disclosure - Accrued Expenses and Other Payables	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
335	Implied Table	Table	*	*	implied:Table
336	Text block [abstract]	Abstract			chl:TextBlockAbstract
337	Accrued Expenses and Other Payables	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
338	1038 - Disclosure - Capital, Reserves and Dividends	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
339	Implied Table	Table	*	*	implied:Table
340	Text block [abstract]	Abstract			chl:TextBlockAbstract
341	Capital, Reserves and Dividends	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
342	1039 - Disclosure - Related Party Transactions	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatory
343	Implied Table	Table	*	*	implied:Table
344	Text block [abstract]	Abstract			chl:TextBlockAbstract
345	Related Party Transactions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRelatedPartyExplanatory
346	1040 - Disclosure - Financial Risk Management and Fair Values	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialRiskManagementExplanatory
347	Implied Table	Table	*	*	implied:Table
348	Text block [abstract]	Abstract			chl:TextBlockAbstract
349	Financial Risk Management and Fair Values	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
350	1041 - Disclosure - Commitments	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatory
351	Implied Table	Table	*	*	implied:Table
352	Text block [abstract]	Abstract			chl:TextBlockAbstract
353	Commitments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsExplanatory
354	1042 - Disclosure - Post Balance Sheet Event	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEventsAfterReportingPeriodExplanatory
355	Implied Table	Table	*	*	implied:Table
356	Text block [abstract]	Abstract			chl:TextBlockAbstract
357	Post Balance Sheet Event	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
358	1043 - Disclosure - Accounting Estimates and Judgements	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountingJudgementsAndEstimatesExplanatory
359	Implied Table	Table	*	*	implied:Table
360	Text block [abstract]	Abstract			chl:TextBlockAbstract
361	Accounting Estimates and Judgements	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
362	1044 - Disclosure - Possible Impact of Amendments, New Standards, Interpretations and Disclosures Issued but Not Yet Effective for the Year Ended December 31, 2018	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
363	Implied Table	Table	*	*	implied:Table
364	Text block [abstract]	Abstract			chl:TextBlockAbstract
365	Possible Impact of Amendments, New Standards, Interpretations and Disclosures Issued but Not Yet Effective for the Year Ended December 31, 2018	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
366	1045 - Disclosure - Condensed Financial Information of the Company	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory
367	Implied Table	Table	*	*	implied:Table
368	Text block [abstract]	Abstract			chl:TextBlockAbstract
369	Condensed Financial Information of the Company	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory
370	1046 - Disclosure - Significant Accounting Policies (Policies)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryPolicies
371	Implied Table	Table	*	*	implied:Table
372	Text block [abstract]	Abstract			chl:TextBlockAbstract
373	Statement of compliance	Concept (Text Block (HTML))	For Period		ifrs-full:StatementOfIFRSCompliance
374	Basis of preparation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
375	Subsidiaries and non-controlling interests	Concept (Text Block (HTML))	For Period		chl:DescriptionOfAccountingPolicyForSubsidiariesAndNoncontrollingInterestsExplanatory
376	Investments accounted for using the equity method	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory
377	Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
378	Other intangible assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
379	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
380	Construction in progress	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForConstructionInProgressExplanatory
381	Leased assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
382	Impairment of non-financial assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
383	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
384	Investments and other financial assets	Concept (Text Block (HTML))	For Period		chl:DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatory
385	Accounts receivable and other receivables	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory
386	Cash and cash equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
387	Accounts payable and other payables	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory
388	Deferred revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory
389	Interest-bearing borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory
390	Revenue recognition from contracts with customers	Concept (Text Block (HTML))	For Period		chl:DisclosureOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory
391	Interest income	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory
392	Income tax	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
393	Provisions and contingent liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory
394	Employee benefits	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
395	Borrowing costs	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
396	Translation of foreign currencies	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
397	Related parties	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory
398	Segment reporting	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
399	Dividend distribution	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForDividendsExplanatory
400	1047 - Disclosure - Significant Accounting Policies (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryTables
401	Implied Table	Table	*	*	implied:Table
402	Text block [abstract]	Abstract			chl:TextBlockAbstract
403	Estimated Useful Lives of Property, Plant and Equipment	Concept (Text Block (HTML))	For Period		chl:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory
404	1048 - Disclosure - Changes in Accounting Policies (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfChangesInAccountingPoliciesExplanatoryTables
405	Implied Table	Table	*	*	implied:Table
406	Text block [abstract]	Abstract			chl:TextBlockAbstract
407	Consolidated Balance Sheet (Extract)	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations
408	Summary of Effects Arising from Initial Application of IFRS 15	Concept (Text Block (HTML))	For Period		chl:DisclosureOfEffectsArisingFromInitialApplicationOfIFRS15Explanatory
409	1049 - Disclosure - Operating Revenue (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRevenueExplanatoryTables
410	Implied Table	Table	*	*	implied:Table
411	Text block [abstract]	Abstract			chl:TextBlockAbstract
412	Disaggregation of operating revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProductsAndServicesExplanatory
413	Summary of Contract Assets	Concept (Text Block (HTML))	For Period		chl:DisclosureOfContractAssetsExplanatory
414	Summary of Significant Changes in Contract Assets Relating to Contracts with Customers	Concept (Text Block (HTML))	For Period		chl:DisclosureOfSignificantChangesInContractAssetsRelatingToContractsWithCustomersExplanatory
415	1050 - Disclosure - Employee Benefit and Related Expenses (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatoryTables
416	Implied Table	Table	*	*	implied:Table
417	Text block [abstract]	Abstract			chl:TextBlockAbstract
418	Summary of Employee Benefit and Related Expenses	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutEmployeeBenefitsAndRelatedExpensesExplanatory
419	1051 - Disclosure - Other Operating Expenses (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingExpenseExplanatoryTables
420	Implied Table	Table	*	*	implied:Table
421	Text block [abstract]	Abstract			chl:TextBlockAbstract
422	Summary of Other Operating Expenses	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutOtherOperatingExpenseExplanatory
423	1052 - Disclosure - Other Gains (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherGainsExplanatoryTables
424	Implied Table	Table	*	*	implied:Table
425	Text block [abstract]	Abstract			chl:TextBlockAbstract
426	Summary of Other Gains	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutOtherGainsExplanatory
427	1053 - Disclosure - Interest and Other Income (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInterestAndOtherIncomeExplanatoryTables
428	Implied Table	Table	*	*	implied:Table
429	Text block [abstract]	Abstract			chl:TextBlockAbstract
430	Summary Of Interest and Other Income	Concept (Text Block (HTML))	For Period		chl:DisclosureInDetailOfInterestAndOtherIncomeExplanatory
431	1054 - Disclosure - Finance Costs (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceCostExplanatoryTables
432	Implied Table	Table	*	*	implied:Table
433	Text block [abstract]	Abstract			chl:TextBlockAbstract
434	Summary of Finance Costs	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutFinanceCostsExplanatory
435	1055 - Disclosure - Directors' Remuneration (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutKeyManagementPersonnelExplanatoryTables
436	Implied Table	Table	*	*	implied:Table
437	Text block [abstract]	Abstract			chl:TextBlockAbstract
438	Summary of Directors' Remuneration	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutKeyManagementPersonnelExplanatory
439	1056 - Disclosure - Individuals with Highest Emoluments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutEmployeesExplanatoryTables
440	Implied Table	Table	*	*	implied:Table
441	Text block [abstract]	Abstract			chl:TextBlockAbstract
442	Emoluments Payable to the Five Individuals with Highest Emoluments	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailInformationAboutEmolumentsPayableToIndividualsWithHighestEmolumentsExplanatory
443	Emoluments by Bands	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailInformationAboutEmolumentBandsExplanatory
444	1057 - Disclosure - Taxation (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTables
445	Implied Table	Table	*	*	implied:Table
446	Text block [abstract]	Abstract			chl:TextBlockAbstract
447	Taxation in Consolidated Statements of Comprehensive Income	Concept (Text Block (HTML))	For Period		chl:DisclosureOfTaxationInStatementsOfComprehensiveIncomeExplanatory
448	Reconciliation Between Income Tax Expense and Accounting Profit at Applicable Tax Rates	Concept (Text Block (HTML))	For Period		chl:DisclosureOfReconciliationBetweenIncomeTaxExpenseAndAccountingProfitAtApplicableTaxRatesExplanatory
449	Tax Credited/(Charged) Relating to Components of Other Comprehensive Income	Concept (Text Block (HTML))	For Period		chl:DisclosureOfTaxCreditedOrChargedRelatingToComponentsOfOtherComprehensiveIncomeExplanatory
450	1058 - Disclosure - Property, Plant and Equipment (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatoryTables
451	Implied Table	Table	*	*	implied:Table
452	Text block [abstract]	Abstract			chl:TextBlockAbstract
453	Summary of Property, Plant and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
454	1059 - Disclosure - Construction in Progress (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfConstructionInProgressExplanatoryTables
455	Implied Table	Table	*	*	implied:Table
456	Text block [abstract]	Abstract			chl:TextBlockAbstract
457	Summary of Construction in Progress	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutConstructionInProgressExplanatory
458	1060 - Disclosure - Goodwill (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatoryTables
459	Implied Table	Table	*	*	implied:Table
460	Text block [abstract]	Abstract			chl:TextBlockAbstract
461	Summary of Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory
462	1061 - Disclosure - Subsidiaries (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInterestsInSubsidiariesExplanatoryTables
463	Implied Table	Table	*	*	implied:Table
464	Investments accounted for using equity method [abstract]	Abstract			ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
465	Summary of Subsidiaries	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
466	1062 - Disclosure - Investments Accounted for Using the Equity Method (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatoryTables
467	Implied Table	Table	*	*	implied:Table
468	Text block [abstract]	Abstract			chl:TextBlockAbstract
469	Summary of Investments Accounted for Using the Equity Method	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory
470	Details of Principal Associates	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesExplanatory
471	Summary Financial Information on Principal Associates	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory
472	Fair Value of Interests in Listed Associates	Concept (Text Block (HTML))	For Period		chl:DisclosureOfFairValueOfInterestsInListedAssociatesExplanatory
473	1063 - Disclosure - Deferred Tax Assets and Liabilities (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredTaxesExplanatoryTables
474	Implied Table	Table	*	*	implied:Table
475	Text block [abstract]	Abstract			chl:TextBlockAbstract
476	Analysis of Deferred Tax Assets and Liabilities	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutDeferredTaxAssetsAndLiabilitiesExplanatory
477	Deferred Tax Assets and Liabilities Recognized and Movements During the Period	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDeferredTaxAssetsAndLiabilitiesRecognizedAndMovementsDuringPeriodExplanatory
478	1064 - Disclosure - Fair Value Measurement of Financial Instruments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFairValueMeasurementExplanatoryTables
479	Implied Table	Table	*	*	implied:Table
480	Text block [abstract]	Abstract			chl:TextBlockAbstract
481	Analysis of Fair Value Measurement of Financial Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementOfAssetsExplanatory
482	1065 - Disclosure - Restricted Bank Deposits (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRestrictedCashAndCashEquivalentsExplanatoryTables
483	Implied Table	Table	*	*	implied:Table
484	Text block [abstract]	Abstract			chl:TextBlockAbstract
485	Summary of Restricted Bank Deposits	Concept (Text Block (HTML))	For Period		chl:DisclosureOfRestrictedBankDepositsExplanatory
486	1066 - Disclosure - Inventories (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatoryTables
487	Implied Table	Table	*	*	implied:Table
488	Text block [abstract]	Abstract			chl:TextBlockAbstract
489	Summary of Inventories	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutInventoriesExplanatory
490	1067 - Disclosure - Accounts Receivable (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountsReceivableExplanatoryTables
491	Statement [table]	Table	*	*	chl:StatementTable
492	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
493	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
494	Trade receivables [member]	Member			ifrs-full:TradeReceivablesMember
495	Statement [LineItems]	LineItems			chl:StatementLineItems
496	Aging Analysis of Accounts Receivable, Net of Loss Allowance	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialAssetsExplanatory
497	Summary of Changes in Loss Allowance of Accounts Receivable	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAllowanceForCreditLossesExplanatory
498	1068 - Disclosure - Cash and Cash Equivalents (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatoryTables
499	Implied Table	Table	*	*	implied:Table
500	Text block [abstract]	Abstract			chl:TextBlockAbstract
501	Summary of Cash and Cash Equivalents	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory
502	1069 - Disclosure - Accounts Payable (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountsPayableExplanatoryTables
503	Implied Table	Table	*	*	implied:Table
504	Text block [abstract]	Abstract			chl:TextBlockAbstract
505	Aging Analysis of Accounts Payable	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationOfAccountsPayableExplanatory
506	1070 - Disclosure - Deferred Revenue (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredIncomeExplanatoryTables
507	Implied Table	Table	*	*	implied:Table
508	Text block [abstract]	Abstract			chl:TextBlockAbstract
509	Summary of Deferred Revenue	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailedInformationAboutDeferredIncomeExplanatory
510	1071 - Disclosure - Accrued Expenses and Other Payables (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatoryTables
511	Implied Table	Table	*	*	implied:Table
512	Text block [abstract]	Abstract			chl:TextBlockAbstract
513	Summary of Accrued Expenses And Other Payables	Concept (Text Block (HTML))	For Period		chl:DisclosureOfDetailInformationAboutAccruedExpensesAndOtherPayablesExplanatory
514	1072 - Disclosure - Capital, Reserves and Dividends (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatoryTables
515	Implied Table	Table	*	*	implied:Table
516	Text block [abstract]	Abstract			chl:TextBlockAbstract
517	Summary of Share Capital	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
518	Summary of Dividends	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDividendsExplanatory
519	1073 - Disclosure - Related Party Transactions (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatoryTables
520	Statement [table]	Table	*	*	chl:StatementTable
521	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
522	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
523	China Mobile Communications Corporation [member]	Member			chl:ChinaMobileCommunicationsCorporationMember
524	Associates and joint ventures [member]	Member			chl:AssociatesAndJointVenturesMember
525	Statement [LineItems]	LineItems			chl:StatementLineItems
526	Summary of Principal Related Party Transactions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
527	Amounts Due from (to) Related Party	Concept (Text Block (HTML))	For Period		chl:DisclosureOfAmountDueFromToRelatedPartyExplanatory
528	1074 - Disclosure - Financial Risk Management and Fair Values (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialRiskManagementExplanatoryTables
529	Implied Table	Table	*	*	implied:Table
530	Text block [abstract]	Abstract			chl:TextBlockAbstract
531	Summary of Expected Loss Rate Accounts Receivable Due	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProvisionMatrixExplanatory
532	Remaining Contractual Maturities of Financial Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
533	1075 - Disclosure - Commitments (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatoryTables
534	Implied Table	Table	*	*	implied:Table
535	Text block [abstract]	Abstract			chl:TextBlockAbstract
536	Summary of Capital Commitments	Concept (Text Block (HTML))	For Period		chl:DisclosureOfCapitalCommitmentsExplanatory
537	Future Minimum Lease Payments Under Non-cancellable Operating Leases	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
538	1076 - Disclosure - Condensed Financial Information of the Company (Tables)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatoryTables
539	Implied Table	Table	*	*	implied:Table
540	Text block [abstract]	Abstract			chl:TextBlockAbstract
541	Condensed Statements of Comprehensive Income	Concept (Text Block (HTML))	For Period		srt:CondensedStatementOfComprehensiveIncomeTableTextBlock
542	Condensed Balance Sheets	Concept (Text Block (HTML))	For Period		srt:ScheduleOfCondensedBalanceSheetTableTextBlock
543	Condensed Statements of Cash Flows	Concept (Text Block (HTML))	For Period		chl:DisclosureOfCondensedStatementsOfCashFlowStatementExplanatory
544	1077 - Disclosure - Significant Accounting Policies - Estimated Useful Lives of Property, Plant and Equipment (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAccountingPoliciesEstimatedUsefulLivesOfPropertyPlantAndEquipment
545	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
546	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
547	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
548	Buildings [member]	Member			ifrs-full:BuildingsMember
549	Telecommunications transceivers, switching centers, transmission and other network equipment [member]	Member			ifrs-full:CommunicationAndNetworkEquipmentMember
550	Office equipment, furniture, fixtures and others [member]	Member			chl:OfficeEquipmentFurnitureFixturesAndOthersMember
551	Range [axis]	Axis			ifrs-full:RangeAxis
552	Ranges [member]	Member			ifrs-full:RangesMember
553	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
554	Top of range [member]	Member			ifrs-full:TopOfRangeMember
555	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
556	Estimated useful lives of property, plant and equipment	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
557	1078 - Disclosure - Significant Accounting Policies - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAccountingPoliciesAdditionalInformation
558	Disclosure of summary of significant accounting policies [Table]	Table	*	*	chl:DisclosureOfSummaryOfSignificantAccountingPoliciesTable
559	Range [axis]	Axis			ifrs-full:RangeAxis
560	Ranges [member]	Member			ifrs-full:RangesMember
561	Top of range [member]	Member			ifrs-full:TopOfRangeMember
562	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
563	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
564	Foreign countries [member]	Member			ifrs-full:ForeignCountriesMember
565	Disclosure of summary of significant accounting policies [line items]	LineItems			chl:DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems
566	Foreign assets percentage	Concept (Percent)	For Period		chl:PercentageOfEntityAssets
567	Foreign operating revenue percentage	Concept (Percent)	For Period		ifrs-full:PercentageOfEntitysRevenue
568	1079 - Disclosure - Changes in Accounting Policies - Consolidated Balance Sheets (Extract) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureChangesInAccountingPoliciesConsolidatedBalanceSheetsExtract
569	Disclosure of initial application of standards or interpretations [table]	Table	*	*	ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable
570	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
571	Currently stated [member]	Member			ifrs-full:RestatedMember
572	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
573	Increase (decrease) due to application of IFRS 9 [member]	Member			chl:IncreaseDecreaseDueToApplicationOfIFRS9Member
574	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
575	As restated [member]	Member			chl:RestatedBalanceMember
576	Disclosure of initial application of standards or interpretations [line items]	LineItems			ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
577	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
578	Investments accounted for using the equity method	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
579	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
580	Financial assets at fair value through other comprehensive income	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
581	Available-for-sale financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssetsAvailableforsale
582	Other non-current assets	Concept (Monetary)	As Of	Debit	chl:NonCurrentContractAssetsAndNonCurrentContractCosts
583	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
584	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
585	Contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentContractAssets
586	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
587	Financial assets at fair value through profit or loss	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
588	Available-for-sale financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAvailableforsale
589	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
590	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
591	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
592	Accrued expenses and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
593	Deferred revenue	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsCurrent
594	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
595	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
596	Equity	Abstract			ifrs-full:EquityAbstract
597	Reserves	Concept (Monetary)	As Of	Credit	ifrs-full:OtherEquityInterest
598	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
599	Total equity and liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
600	1080 - Disclosure - Changes in Accounting Policies (IFRS 9) - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureChangesInAccountingPoliciesIFRS9AdditionalInformation
601	Disclosure of initial application of standards or interpretations [table]	Table	*	*	ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable
602	Effect of overlay approach reclassification [axis]	Axis			ifrs-full:EffectOfOverlayApproachReclassificationAxis
603	In accordance with IFRS 9 [member]	Member			ifrs-full:InAccordanceWithIFRS9Member
604	Increase/(decrease) due to IFRS9 - classification and measurement [member]	Member			chl:IncreaseDecreaseDueToIFRS9ClassificationAndMeasurementMember
605	Increase/(decrease) due to IFRS9 - Impairment [member]	Member			chl:IncreaseDecreaseDueToIFRS9ImpairmentMember
606	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
607	Currently stated [member]	Member			ifrs-full:RestatedMember
608	Increase/(decrease) due to IFRS9 - associates [member]	Member			chl:IncreaseDecreaseDueToIFRS9AssociatesMember
609	Disclosure of initial application of standards or interpretations [line items]	LineItems			ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
610	Financial assets at fair value profit or loss	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
611	Equity investments measured at fair value of other comprehensive income	Concept (Monetary)	As Of	Debit	ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome
612	Financial assets at fair value of other comprehensive income reserve	Concept (Monetary)	As Of	Debit	chl:FinancialAssetsAtFairValueOfOtherComprehensiveIncomeReserve
613	Retained profit	Concept (Monetary)	As Of	Credit	ifrs-full:RetainedEarnings
614	PRC statutory reserves	Concept (Monetary)	As Of	Credit	chl:PRCStatutoryReserve
615	Increase of other comprehensive income of the group	Concept (Monetary)	For Period	Credit	chl:IncreaseDecreaseInOtherComprehensiveIncome
616	Investments accounted for using the equity method	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
617	1081 - Disclosure - Changes in Accounting Policies (IFRS 15) - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureChangesInAccountingPoliciesIFRS15AdditionalInformation
618	Disclosure of initial application of standards or interpretations [table]	Table	*	*	ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable
619	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
620	Currently stated [member]	Member			ifrs-full:RestatedMember
621	Increase/(decrease) due to IFRS15 - contract assets [member]	Member			chl:IncreaseDecreaseDueToIFRS15ContractAssetsMember
622	Increase/(decrease) due to IFRS15 - contract costs [member]	Member			chl:IncreaseDecreaseDueToIFRS15ContractCostsMember
623	Disclosure of initial application of standards or interpretations [line items]	LineItems			ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
624	Contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:ContractAssets
625	Impairment provision related to contract assets	Concept (Monetary)	For Period	Credit	ifrs-full:DecreaseThroughImpairmentContractAssets
626	Contract liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:ContractLiabilities
627	Retained profit	Concept (Monetary)	As Of	Credit	ifrs-full:RetainedEarnings
628	PRC statutory reserves	Concept (Monetary)	As Of	Credit	chl:PRCStatutoryReserve
629	Contract costs	Concept (Monetary)	For Period	Debit	chl:ContractCostIncurredToObtainContract
630	1082 - Disclosure - Changes in Accounting Policies - Summary of Effects Arising from Initial Application of IFRS 15 (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureChangesInAccountingPoliciesSummaryOfEffectsArisingFromInitialApplicationOfIFRS15
631	Disclosure of initial application of standards or interpretations [table]	Table	*	*	ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable
632	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
633	Currently stated [member]	Member			ifrs-full:RestatedMember
634	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
635	Amounts (Balance) without adoption of IFRS 15 [member]	Member			chl:AmountsBalanceWithoutAdoptionOfIFRS15Member
636	Disclosure of initial application of standards or interpretations [line items]	LineItems			ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
637	Operating revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
638	Revenue from telecommunications services	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfTelecommunicationServices
639	Revenue from sales of products and others	Concept (Monetary)	For Period	Credit	chl:OtherOperatingRevenues
640	Operating expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OperatingExpense
641	Selling expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SalesAndMarketingExpense
642	Cost of products sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
643	Other operating expenses	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
644	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
645	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
646	Other non-current assets	Concept (Monetary)	As Of	Debit	chl:NonCurrentContractAssetsAndNonCurrentContractCosts
647	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
648	Contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentContractAssets
649	Equity and liabilities	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
650	Liabilities	Abstract			ifrs-full:LiabilitiesAbstract
651	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
652	Accrued expenses and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
653	Deferred revenue	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsCurrent
654	Equity	Abstract			ifrs-full:EquityAbstract
655	Reserves	Concept (Monetary)	As Of	Credit	ifrs-full:OtherEquityInterest
656	1083 - Disclosure - Operating Revenue - Disaggregation of Operating Revenue (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingRevenueDisaggregationOfOperatingRevenue
657	Disclosure of products and services [table]	Table	*	*	ifrs-full:DisclosureOfProductsAndServicesTable
658	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
659	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
660	Voice services [member]	Member			chl:VoiceServicesMember
661	Data services [member]	Member			chl:DataServicesMember
662	Others [member]	Member			chl:OtherServicesMember
663	Disclosure of products and services [line items]	LineItems			ifrs-full:DisclosureOfProductsAndServicesLineItems
664	Revenue from telecommunication services	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfTelecommunicationServices
665	Revenue from sales of products and others	Concept (Monetary)	For Period	Credit	chl:OtherOperatingRevenues
666	Operating revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
667	1084 - Disclosure - Operating Revenue - Summary of Contract Assets (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingRevenueSummaryOfContractAssets
668	Disclosure of products and services [table]	Table	*	*	ifrs-full:DisclosureOfProductsAndServicesTable
669	Categories of assets recognised from costs to obtain or fulfil contracts with customers [axis]	Axis			ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis
670	Categories of assets recognised from costs to obtain or fulfil contracts with customers [member]	Member			ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersMember
671	Contract assets relating to contracts with customers [member]	Member			chl:ContractsWithCustomersMember
672	Contracts with customers non current portion recorded in other non current assets [member]	Member			chl:ContractsWithCustomersNonCurrentPortionRecordedInOtherNonCurrentAssetsMember
673	Contract costs incurred to obtain a contract [member]	Member			chl:ContractCostsIncurredToObtainContractMember
674	Contract costs incurred to fulfil a contract [member]	Member			chl:ContractCostsIncurredToFulfillContractMember
675	Disclosure of products and services [line items]	LineItems			ifrs-full:DisclosureOfProductsAndServicesLineItems
676	Total contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:ContractAssets
677	Contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentContractAssets
678	Other non-current assets	Concept (Monetary)	As Of	Debit	chl:NonCurrentContractAssetsAndNonCurrentContractCosts
679	1085 - Disclosure - Operating Revenue - Summary of Significant Changes in Contract Assets Relating to Contracts with Customers (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingRevenueSummaryOfSignificantChangesInContractAssetsRelatingToContractsWithCustomers
680	Disclosure of contract assets [table]	Table	*	*	chl:DisclosureOfContractAssetsTable
681	Categories of assets recognised from costs to obtain or fulfil contracts with customers [axis]	Axis			ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis
682	Categories of assets recognised from costs to obtain or fulfil contracts with customers [member]	Member			ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersMember
683	Contract Assets Loss Allowance [member]	Member			chl:ContractAssetsLossAllowanceMember
684	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
685	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
686	Contract assets [member]	Member			ifrs-full:ContractAssetsMember
687	Disclosure of contract assets [line items]	LineItems			chl:DisclosureOfContractAssetsLineItems
688	Beginning balance	Concept (Monetary)	As Of	Debit	chl:ContractAssetsRelatingToContractsWithCustomers
689	Increase resulting from satisfaction of performance obligation	Concept (Monetary)	For Period	Debit	chl:ContractAssetsRelatingToContractsWithCustomersIncreaseResultingFromSatisfactionOfPerformanceObligation
690	Reclassified to accounts receivable	Concept (Monetary)	For Period	Debit	chl:ContractAssetsReclassifiedToAccountsReceivable
691	Net impairment loss of contract assets	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossOnReceivablesOrContractAssetsArisingFromContractsWithCustomers
692	Ending balance	Concept (Monetary)	As Of	Debit	chl:ContractAssetsRelatingToContractsWithCustomers
693	1086 - Disclosure - Operating Revenue - Summary of Significant Changes in Contract Assets Relating to Contracts with Customers (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingRevenueSummaryOfSignificantChangesInContractAssetsRelatingToContractsWithCustomersParenthetical
694	Implied Table	Table	*	*	implied:Table
695	Contract assets [abstract]	Abstract			ifrs-full:ContractAssetsAbstract
696	Amortization of Contract cost incurred to obtain contract	Concept (Monetary)	For Period	Debit	chl:AmortizationOfContractCostIncurredToObtainContract
697	Capitalized amount of contract costs incurred to obtain contract	Concept (Monetary)	For Period	Debit	chl:CapitalizedAmountOfContractCostsIncurredToObtainContract
698	1087 - Disclosure - Operating Revenue - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOperatingRevenueAdditionalInformation
699	Implied Table	Table	*	*	implied:Table
700	Disclosure of products and services [abstract]	Abstract			ifrs-full:DisclosureOfProductsAndServicesAbstract
701	Contract liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:ContractLiabilities
702	Revenue recognized related to contract liabilities	Concept (Monetary)	For Period	Credit	chl:RevenueRecognizedRelatedToContractLiabilities
703	1088 - Disclosure - Employee Benefit and Related Expenses - Summary of Employee Benefit and Related Expenses (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitAndRelatedExpensesSummaryOfEmployeeBenefitAndRelatedExpenses
704	Implied Table	Table	*	*	implied:Table
705	Classes of employee benefits expense [abstract]	Abstract			ifrs-full:ClassesOfEmployeeBenefitsExpenseAbstract
706	Salaries, wages, labor service expenses and other benefits	Concept (Monetary)	For Period	Debit	ifrs-full:ShorttermEmployeeBenefitsExpense
707	Retirement costs: contributions to defined contribution retirement plans	Concept (Monetary)	For Period	Debit	ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
708	Employee benefit and related expenses	Concept (Monetary)	For Period	Debit	ifrs-full:EmployeeBenefitsExpense
709	1089 - Disclosure - Other Operating Expenses - Summary of Other Operating Expenses (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherOperatingExpensesSummaryOfOtherOperatingExpenses
710	Implied Table	Table	*	*	implied:Table
711	Analysis of income and expense [abstract]	Abstract			ifrs-full:AnalysisOfIncomeAndExpenseAbstract
712	Maintenance	Concept (Monetary)	For Period	Debit	ifrs-full:RepairsAndMaintenanceExpense
713	Impairment loss of doubtful accounts	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables
714	Write-down of inventories	Concept (Monetary)	For Period		ifrs-full:InventoryWritedown2011
715	Amortization of other intangible assets	Concept (Monetary)	For Period		ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
716	Operating lease charges	Abstract			chl:OperatingLeaseExpensesAbstract
717	- land and buildings	Concept (Monetary)	For Period	Debit	chl:OperatingLeaseChargesOfLandAndBuildings
718	- others	Concept (Monetary)	For Period	Debit	chl:OperatingLeaseChargesOfOtherPropertyPlantAndEquipment
719	Loss/(gain) on disposal of property, plant and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment
720	Write-off and impairment of property, plant and equipment	Concept (Monetary)	For Period		chl:WriteoffAndImpairmentOfPropertyPlantAndEquipment
721	Power and utilities expenses	Concept (Monetary)	For Period	Debit	chl:PowerAndUtilitiesExpenses
722	Operation support and research and development expenses	Concept (Monetary)	For Period	Debit	chl:OperationSupportAndResearchAndDevelopmentExpenses
723	Auditors' remuneration	Abstract			ifrs-full:AuditorsRemunerationAbstract
724	- audit services	Concept (Monetary)	For Period	Debit	ifrs-full:AuditorsRemunerationForAuditServices
725	- tax services	Concept (Monetary)	For Period	Debit	ifrs-full:AuditorsRemunerationForTaxServices
726	- other services	Concept (Monetary)	For Period	Debit	ifrs-full:AuditorsRemunerationForOtherServices
727	Other operating expenses - others	Concept (Monetary)	For Period	Debit	chl:OtherOperatingExpensesOthers
728	Other operating expenses	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
729	1090 - Disclosure - Other Operating Expenses - Summary of Other Operating Expenses (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherOperatingExpensesSummaryOfOtherOperatingExpensesParenthetical
730	Disclosure of other operating expenses [Table]	Table	*	*	chl:DisclosureOfOtherOperatingExpensesTable
731	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
732	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
733	United States [member]	Member			country:US
734	Types of contracts [axis]	Axis			ifrs-full:TypesOfContractsAxis
735	Types of contracts [member]	Member			ifrs-full:TypesOfContractsMember
736	Attestation under s404 of Sarbanes-Oxley Act 2002 [member]	Member			chl:AttestationUnderS404OfSarbanesOxleyAct2002Member
737	Disclosure of other operating expenses [line items]	LineItems			chl:DisclosureOfOtherOperatingExpensesLineItems
738	Auditor's remuneration for audit service	Concept (Monetary)	For Period	Debit	ifrs-full:AuditorsRemunerationForAuditServices
739	1091 - Disclosure - Other Gains - Summary of Other Gains (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherGainsSummaryOfOtherGains
740	Implied Table	Table	*	*	implied:Table
741	Analysis of income and expense [abstract]	Abstract			ifrs-full:AnalysisOfIncomeAndExpenseAbstract
742	Compensation income	Concept (Monetary)	For Period	Credit	chl:IncomeFromCompensation
743	Others	Concept (Monetary)	For Period	Credit	chl:MiscellaneousOtherGainsLosses
744	Other gains	Concept (Monetary)	For Period	Credit	ifrs-full:OtherGainsLosses
745	1092 - Disclosure - Interest and Other Income - Summary of Interest and Other Income (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInterestAndOtherIncomeSummaryOfInterestAndOtherIncome
746	Implied Table	Table	*	*	implied:Table
747	Disclosure of interest and other income [abstract]	Abstract			chl:DisclosureOfInterestAndOtherIncomeAbstract
748	Interest income from bank deposits	Concept (Monetary)	For Period	Credit	ifrs-full:InterestIncomeOnDeposits
749	Fair value gains recognized	Concept (Monetary)	For Period		ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
750	Interest and other income	Concept (Monetary)	For Period	Credit	chl:InterestAndOtherIncome
751	1093 - Disclosure - Finance Costs - Summary of Finance Costs (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinanceCostsSummaryOfFinanceCosts
752	Implied Table	Table	*	*	implied:Table
753	Analysis of income and expense [abstract]	Abstract			ifrs-full:AnalysisOfIncomeAndExpenseAbstract
754	Interest on short-term deposits received (note 33(a))	Concept (Monetary)	For Period	Debit	chl:InterestOnShorttermBankDepositsReceived
755	Interest on bonds	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnBonds
756	Others	Concept (Monetary)	For Period	Debit	ifrs-full:OtherFinanceCost
757	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
758	1094 - Disclosure - Directors' Remuneration - Summary of Directors' Remuneration (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDirectorsRemunerationSummaryOfDirectorsRemuneration
759	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
760	Key management personnel [Axis]	Axis			chl:KeyManagementPersonnelAxis
761	Key management personnels [Member]	Member			chl:KeyManagementPersonnelsMember
762	Executive directors [member]	Member			chl:ExecutiveDirectorMember
763	Independent non-executive directors [member]	Member			chl:NonExecutiveDirectorsMember
764	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
765	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
766	YANG Jie [member]	Member			chl:YangJieMember
767	SHANG Bing [member]	Member			chl:SHANGBingMember
768	LI Yue [member]	Member			chl:LiYueMember
769	LIU Aili [member]	Member			chl:LIUAiliMember
770	DONG Xin [member]	Member			chl:DONGXinMember
771	SHA Yuejia [member]	Member			chl:SHAYuejiaMember
772	WONG Kwong Shing Frank [member]	Member			chl:WONGKwongShingFrankMember
773	CHENG Mo Chi, Moses [member]	Member			chl:CHENGMoChiMosesMember
774	CHOW Man Yiu, Paul [member]	Member			chl:CHOWManYiuPaulMember
775	YIU Kin Wah, Stephen [member]	Member			chl:YIUKinWahStephenMember
776	XUE Taohail [member]	Member			chl:XUETaohailMember
777	LO Ka Shui [member]	Member			chl:LOKaShuiMember
778	YANG Qiang [member]	Member			chl:YangQiangMember
779	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
780	Directors' fees	Concept (Monetary)	For Period	Debit	ifrs-full:DirectorsRemunerationExpense
781	Salaries, allowances and bonuses	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
782	Contributions relating to social insurance, housing fund and retirement scheme	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
783	Total	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensation
784	1095 - Disclosure - Individuals with Highest Emoluments - Emoluments Payable to the Five Individuals with Highest Emoluments (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIndividualsWithHighestEmolumentsEmolumentsPayableToTheFiveIndividualsWithHighestEmoluments
785	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
786	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
787	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
788	Five individuals with the highest emoluments [member]	Member			chl:FiveIndividualsWithTheHighestEmolumentsMember
789	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
790	Salaries, allowances and benefits in kind	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
791	Performance related bonuses	Concept (Monetary)	For Period	Debit	chl:KeyManagementPersonnelCompensationPerformanceRelatedBonus
792	Retirement scheme contributions	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
793	Total	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensation
794	1096 - Disclosure - Individuals With Highest Emoluments - Emoluments by Bands (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureIndividualsWithHighestEmolumentsEmolumentsByBands
795	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
796	Maturity [axis]	Axis			ifrs-full:MaturityAxis
797	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
798	Emolument band 1,500,001 - 2,000,000 [member]	Member			chl:EmolumentBandOneMember
799	Emolument band 2,000,001 - 2,500,000 [member]	Member			chl:EmolumentBandTwoMember
800	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
801	Number of individuals	Concept (Integer)	For Period		chl:NumberOfIndividualsOnHighestEmoluments
802	1097 - Disclosure - Taxation - Taxation in Consolidated Statements of Comprehensive Income (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxationTaxationInConsolidatedStatementsOfComprehensiveIncome
803	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
804	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
805	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
806	PRC [member]	Member			country:CN
807	Hong Kong [member]	Member			country:HK
808	Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
809	Current tax	Abstract			ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
810	Current tax	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
811	Deferred tax	Abstract			ifrs-full:DeferredTaxExpenseIncomeAbstract
812	Origination and reversal of temporary differences, net (note 20)	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
813	Taxation	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
814	1098 - Disclosure - Taxation - Taxation in Consolidated Statements of Comprehensive Income (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxationTaxationInConsolidatedStatementsOfComprehensiveIncomeParenthetical
815	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
816	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
817	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
818	Subsidiaries [member]	Member			ifrs-full:SubsidiariesMember
819	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
820	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
821	PRC [member]	Member			country:CN
822	Hong Kong [member]	Member			country:HK
823	Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
824	Income tax rate	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
825	Preferential tax rate	Concept (Percent)	For Period		chl:PreferentialIncomeTaxRate
826	1099 - Disclosure - Taxation - Reconciliation Between Income Tax Expense and Accounting Profit at Applicable Tax Rates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxationReconciliationBetweenIncomeTaxExpenseAndAccountingProfitAtApplicableTaxRates
827	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
828	Taxation information [axis]	Axis			chl:TaxationInformationAxis
829	Taxation information [Member]	Member			chl:TaxationInformationMember
830	Income from investments accounted for using the equity method [member]	Member			chl:IncomeFromInvestmentsAccountedForUsingTheEquityMethodMember
831	Interest and other income [member]	Member			chl:InterestAndOtherIncomeMember
832	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
833	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
834	PRC [member]	Member			country:CN
835	Hong Kong [member]	Member			country:HK
836	Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
837	Profit before taxation	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
838	Notional tax on profit before tax, calculated at the PRC's statutory tax rate of 25% (Note)	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
839	Tax effect of non-taxable items	Concept (Monetary)	For Period	Credit	ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
840	Tax effect of non-deductible expenses	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
841	Rate differential	Concept (Monetary)	For Period	Debit	chl:TaxEffectOfRateDifferential
842	Tax effect of deductible temporary difference for which no deferred tax asset was recognized	Concept (Monetary)	For Period	Debit	chl:TaxEffectOfDeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
843	Tax effect of deductible tax loss for which no deferred tax asset was recognized	Concept (Monetary)	For Period	Debit	chl:TaxEffectOfDeductibleTaxLossForWhichNoDeferredTaxAssetIsRecognised
844	Others	Concept (Monetary)	For Period	Debit	ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
845	Taxation	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
846	1100 - Disclosure - Taxation - Tax Credited/(Charged) Relating to Components of Other Comprehensive Income (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureTaxationTaxCreditedChargedRelatingToComponentsOfOtherComprehensiveIncome
847	Implied Table	Table	*	*	implied:Table
848	Income tax relating to components of other comprehensive income [abstract]	Abstract			ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeAbstract
849	Change in value of available-for-sale financial assets, Before tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeBeforeTaxAvailableforsaleFinancialAssets
850	Change in value of financial assets at FVOCI, Before tax	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
851	Currency translation differences, Before tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation
852	Share of other comprehensive income/(loss) of investments accounted for using the equity method, Before tax	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodBeforeTax
853	Other comprehensive income/(loss), Before tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeBeforeTax
854	Change in value of available-for-sale financial assets, Tax credited/(charged)	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
855	Change in value of financial assets at FVOCI, Tax credited/(charged)	Concept (Monetary)	For Period	Credit	chl:IncomeTaxRelatingToGainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
856	Currency translation differences, Tax credited/(charged)	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
857	Share of other comprehensive income/(loss) of investments accounted for using the equity method, Tax credited/(charged)	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
858	Other comprehensive income/(loss), Tax credited/(charged)	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
859	Change in value of available-for-sale financial assets, After tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
860	Change in value of financial assets at FVOCI, After tax	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
861	Currency translation differences, After tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
862	Share of other comprehensive income/(loss) of investments accounted for using the equity method, After tax	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
863	Other comprehensive income/(loss), After tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
864	Tax credited/(charged) relating to components of other comprehensive income, Tax credited/(charged)	Abstract			ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossAbstract
865	Current tax	Concept (Monetary)	For Period	Debit	chl:CurrentIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
866	Deferred tax	Concept (Monetary)	For Period	Debit	chl:DeferredIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
867	Other comprehensive income/(loss), Tax credited/(charged)	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
868	1101 - Disclosure - Earnings Per Share - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureEarningsPerShareAdditionalInformation
869	Implied Table	Table	*	*	implied:Table
870	Earnings per share [abstract]	Abstract			ifrs-full:EarningsPerShareAbstract
871	Basic earnings per share	Abstract			ifrs-full:BasicEarningsPerShareAbstract
872	Profit attributable to equity shareholders	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
873	Weighted average number of shares	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
874	Stock option outstanding	Concept (Decimal)	As Of		ifrs-full:NumberOfOutstandingShareOptions
875	Dilution impact on weighted average number of shares	Concept (Shares)	For Period		ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
876	1102 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment
877	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
878	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
879	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
880	Buildings [member]	Member			ifrs-full:BuildingsMember
881	Telecommunications transceivers, switching centers, transmission and other network equipment [member]	Member			ifrs-full:CommunicationAndNetworkEquipmentMember
882	Office equipment, furniture, fixtures and others [member]	Member			chl:OfficeEquipmentFurnitureFixturesAndOthersMember
883	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
884	Carrying amount [Member]	Member			ifrs-full:CarryingAmountMember
885	Gross carrying amount [member]	Member			ifrs-full:GrossCarryingAmountMember
886	Accumulated depreciation, amortization and impairment [member]	Member			ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
887	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
888	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
889	Transferred from construction in progress	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
890	Charge for the year	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
891	Other additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
892	Written back on disposals	Concept (Monetary)	For Period		ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
893	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsPropertyPlantAndEquipment
894	Assets written-off and impairment loss	Concept (Monetary)	For Period	Debit	chl:AssetsWrittenOffAndImpairmentLoss
895	Exchange differences	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
896	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
897	1103 - Disclosure - Property, Plant and Equipment - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation
898	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
899	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
900	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
901	Telecommunications transceivers, switching centers, transmission and other network equipment [member]	Member			ifrs-full:CommunicationAndNetworkEquipmentMember
902	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
903	Impairment loss recognised in profit or loss, property, plant and equipment	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
904	1104 - Disclosure - Construction in Progress - Summary of Construction in Progress (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureConstructionInProgressSummaryOfConstructionInProgress
905	Implied Table	Table	*	*	implied:Table
906	Disclosure of detailed information about property, plant and equipment [abstract]	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
907	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:ConstructionInProgress
908	Additions	Concept (Monetary)	For Period	Debit	chl:AdditionsOfConstructionInProgress
909	Transferred to property, plant and equipment	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
910	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:ConstructionInProgress
911	1105 - Disclosure - Land Lease Prepayments and Others - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureLandLeasePrepaymentsAndOthersAdditionalInformation
912	Implied Table	Table	*	*	implied:Table
913	Disclosure of quantitative information about leases for lessee [abstract]	Abstract			ifrs-full:DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract
914	Amortization of land lease prepayments expensed in the profit or loss	Concept (Monetary)	For Period	Debit	chl:AmortizationOfPrepaidLandLeasePayment
915	1106 - Disclosure - Goodwill - Summary of Goodwill (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfGoodwill
916	Implied Table	Table	*	*	implied:Table
917	Changes in goodwill [abstract]	Abstract			ifrs-full:ChangesInGoodwillAbstract
918	As of January 1 and December 31	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
919	1107 - Disclosure - Goodwill - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillAdditionalInformation
920	Disclosure of information for cash-generating units [table]	Table	*	*	ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
921	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
922	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
923	Operation in Mainland China [Member]	Member			chl:OperationInMainlandChinaMember
924	Maturity [axis]	Axis			ifrs-full:MaturityAxis
925	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
926	For five years ended Dec. 31, 2021 [Member]	Member			chl:PeriodOneMember
927	For the years beyond Dec. 31, 2021 [Member]	Member			chl:PeriodTwoMember
928	Disclosure of information for cash-generating units [Line Items]	LineItems			ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
929	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
930	Period over which management has projected cash flows	Concept (Text/String)	For Period		ifrs-full:ExplanationOfPeriodOverWhichManagementHasProjectedCashFlows
931	Growth rate	Concept (Percent)	As Of		ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
932	Pre-tax discount rate	Concept (Percent)	As Of		ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
933	1108 - Disclosure - Subsidiaries - Summary of Subsidiaries (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSubsidiariesSummaryOfSubsidiaries
934	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
935	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
936	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
937	Aspire Holdings Limited [member]	Member			chl:AspireHoldingsLimitedMember
938	China mobile communication (bvi) limited [member]	Member			chl:ChinaMobileCommunicationBviLimitedMember
939	China Mobile Communication Co. Ltd. (CMC) [member]	Member			chl:ChinaMobileCommunicationCoLtdMember
940	China Mobile Group Guangdong Co., Ltd. [member]	Member			chl:ChinaMobileGroupGuangdongCompanyLimitedMember
941	China Mobile Group Zhejiang Co., Ltd. [member]	Member			chl:ChinaMobileGroupZhejiangCompanyLimitedMember
942	China Mobile Group Jiangsu Co., Ltd. [member]	Member			chl:ChinaMobileGroupJiangsuCompanyLimitedMember
943	China Mobile Group Fujian Co., Ltd. [member]	Member			chl:ChinaMobileGroupFujianCompanyLimitedMember
944	China Mobile Group Henan Co., Ltd. [member]	Member			chl:ChinaMobileGroupHenanCompanyLimitedMember
945	China Mobile Group Hainan Co., Ltd. [member]	Member			chl:ChinaMobileGroupHainanCompanyLimitedMember
946	China Mobile Group Beijing Co., Ltd. [member]	Member			chl:ChinaMobileGroupBeijingCompanyLimitedMember
947	China Mobile Group Shanghai Co., Ltd. [member]	Member			chl:ChinaMobileGroupShanghaiCompanyLimitedMember
948	China Mobile Group Tianjin Co., Ltd. [member]	Member			chl:ChinaMobileGroupTianjinCompanyLimitedMember
949	China Mobile Group Hebei Co., Ltd. [member]	Member			chl:ChinaMobileGroupHebeiCompanyLimitedMember
950	China Mobile Group Liaoning Co., Ltd. [member]	Member			chl:ChinaMobileGroupLiaoningCompanyLimitedMember
951	China Mobile Group Shandong Co., Ltd. [member]	Member			chl:ChinaMobileGroupShandongCompanyLimitedMember
952	China Mobile Group Guangxi Co., Ltd. [member]	Member			chl:ChinaMobileGroupGuangxiCompanyLimitedMember
953	China Mobile Group Anhui Co., Ltd. [member]	Member			chl:ChinaMobileGroupAnhuiCompanyLimitedMember
954	China Mobile Group Jiangxi Co., Ltd. [member]	Member			chl:ChinaMobileGroupJiangxiCompanyLimitedMember
955	China Mobile Group Chongqing Co., Ltd. [member]	Member			chl:ChinaMobileGroupChongqingCompanyLimitedMember
956	China Mobile Group Sichuan Co., Ltd. [member]	Member			chl:ChinaMobileGroupSichuanCoLtdMember
957	China Mobile Group Hubei Co., Ltd. [member]	Member			chl:ChinaMobileGroupHubeiCoLtdMember
958	China Mobile Group Hunan Co., Ltd. [member]	Member			chl:ChinaMobileGroupHunanCoLtdMember
959	China Mobile Group Shaanxi Co., Ltd. [member]	Member			chl:ChinaMobileGroupShaanxiCoLtdMember
960	China Mobile Group Shanxi Co., Ltd. [Member]	Member			chl:ChinaMobileGroupShanxiCoLtdMember
961	China Mobile Group Neimenggu Co., Ltd. [Member]	Member			chl:ChinaMobileGroupNeimengguCoLtdMember
962	China Mobile Group Jilin Co., Ltd. [member]	Member			chl:ChinaMobileGroupJilinCoLtdMember
963	China Mobile Group Heilongjiang Co., Ltd. [member]	Member			chl:ChinaMobileGroupHeilongjiangCoLtdMember
964	China Mobile Group Guizhou Co., Ltd. [member]	Member			chl:ChinaMobileGroupGuizhouCoLtdMember
965	China Mobile Group Yunnan Co., Ltd. [member]	Member			chl:ChinaMobileGroupYunnanCoLtdMember
966	China Mobile Group Xizang Co., Ltd. [Member]	Member			chl:ChinaMobileGroupXizangCoLtdMember
967	China Mobile Group Gansu Co., Ltd. [Member]	Member			chl:ChinaMobileGroupGansuCoLtdMember
968	China Mobile Group Qinghai Co., Ltd. [Member]	Member			chl:ChinaMobileGroupQinghaiCoLtdMember
969	China Mobile Group Ningxia Co., Ltd. [member]	Member			chl:ChinaMobileGroupNingxiaCoLtdMember
970	China Mobile Group Xinjiang Co., Ltd. [member]	Member			chl:ChinaMobileGroupXinjiangCoLtdMember
971	China Mobile Group Design Institute Co., Ltd. [member]	Member			chl:ChinaMobileGroupDesignInstituteCoLtdMember
972	China Mobile Holding Company Limited [member]	Member			chl:ChinaMobileHoldingCompanyLimitedMember
973	China Mobile Information Technology Co., Ltd. [member]	Member			chl:ChinaMobileInformationTechnologyCoLtdMember
974	Aspire (BVI) Limited [member]	Member			chl:AspireBviLimitedMember
975	Aspire Technologies (Shenzhen) Limited [member]	Member			chl:AspireTechnologiesShenzhenLimitedMember
976	Aspire Information Network (Shenzhen) Limited [Member]	Member			chl:AspireInformationNetworkShenzhenLimitedMember
977	Aspire Information Technologies (Beijing) Limited [member]	Member			chl:AspireInformationTechnologiesBeijingLimitedMember
978	Fujian FUNO Mobile Communication Technology Company Limited [member]	Member			chl:FujianFunoMobileCommunicationTechnologyCompanyLimitedMember
979	Advanced Roaming & Clearing House Limited [member]	Member			chl:AdvancedRoamingClearingHouseLimitedMember
980	Fit Best Limited [Member]	Member			chl:FitBestLimitedMember
981	China Mobile Hong Kong Company Limited [Member]	Member			chl:ChinaMobileHongKongCompanyLimitedMember
982	China Mobile International Holdings Limited [member]	Member			chl:ChinaMobileInternationalHoldingsLimitedMember
983	China Mobile International Limited [member]	Member			chl:ChinaMobileInternationalLtdMember
984	China Mobile Group Device Co., Ltd. [member]	Member			chl:ChinaMobileGroupDeviceCoLtdMember
985	China Mobile Group Finance Co., Ltd. ("China Mobile Finance") [member]	Member			chl:ChinaMobileGroupFinanceCoLtdChinaMobileFinanceMember
986	China Mobile IoT Company Limited [member]	Member			chl:ChinaMobileIotCompanyLimitedMember
987	China Mobile (Suzhou) Software Technology Co., Ltd. [member]	Member			chl:ChinaMobileSuzhouSoftwareTechnologyCoLtdMember
988	China Mobile (Hangzhou) Information Technology Co., Ltd. [member]	Member			chl:ChinaMobileHangzhouInformationTechnologyCoLtdMember
989	China Mobile Online Services Co., Ltd. [member]	Member			chl:ChinaMobileOnlineServicesCoLtdMember
990	MIGU Company Limited [member]	Member			chl:MiguCompanyLimitedMember
991	China Mobile TieTong Company Limited [member]	Member			chl:ChinaMobileTietongCompanyLimitedMember
992	China Mobile Internet Company Limited [member]	Member			chl:ChinaMobileInternetCompanyLimitedMember
993	China Mobile Investment Holdings Company Limited ("CM Investment") [member]	Member			chl:ChinaMobileInvestmentHoldingsCompanyLimitedCmInvestmentMember
994	China Mobile Quantong System Integration Co Ltd [member]	Member			chl:ChinaMobileQuantongSystemIntegrationCoLtdMember
995	China Mobile Chengdu ICT Co., Ltd [member]	Member			chl:ChinaMobileChengduICTCoLtdMember
996	China Mobile Shanghai ICT Co Ltd [member]	Member			chl:ChinamobileShanghaiICTCoLtdMember
997	China Mobile Financial Technology Co Ltd [member]	Member			chl:ChinaMobileFinancialTechnologyCoLtdMember
998	Disclosure of subsidiaries [Line Items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
999	Place of incorporation	Concept (Text/String)	For Period		ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
1000	Place of establishment and operation	Concept (Text/String)	For Period		ifrs-full:PrincipalPlaceOfBusinessOfSubsidiary
1001	Particulars of issued and paid up capital	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
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1004	Principal activity	Concept (Text/String)	For Period		ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
1005	1109 - Disclosure - Subsidiaries - Summary of Subsidiaries (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureSubsidiariesSummaryOfSubsidiariesParenthetical
1006	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1007	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1008	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1009	Aspire Holdings Limited [member]	Member			chl:AspireHoldingsLimitedMember
1010	Disclosure of subsidiaries [Line Items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
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1012	1110 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Investments Accounted for Using the Equity Method (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethod
1013	Implied Table	Table	*	*	implied:Table
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1016	Joint ventures	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
1017	Investments accounted for using equity method	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
1018	1111 - Disclosure - Investments Accounted for Using the Equity Method - Details of Principal Associates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodDetailsOfPrincipalAssociates
1019	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
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1022	SPD Bank [member]	Member			chl:ShanghaiPudongDevelopmentBankCompanyLimitedMember
1023	China Tower Corporation Limited (China Tower) [member]	Member			chl:ChinaTowerCorporationLimitedMember
1024	IFLYTEK Co., Ltd. ("IFLYTEK") [member]	Member			chl:IflytekCompanyLimitedMember
1025	True Corporation Public Company Limited ("True Corporation") [member]	Member			chl:TrueCorporationPublicCompanyLimitedMember
1026	Disclosure of associates [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1027	Place of incorporation	Concept (Text/String)	For Period		ifrs-full:CountryOfIncorporationOrResidenceOfAssociate
1028	Place of establishment and operation	Concept (Text/String)	For Period		ifrs-full:PrincipalPlaceOfBusinessOfAssociate
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1030	Principal activity	Concept (Text/String)	For Period		ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
1031	1112 - Disclosure - Investments Accounted for Using the Equity Method - Summary Financial Information on Principal Associates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryFinancialInformationOnPrincipalAssociates
1032	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
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1035	SPD Bank [member]	Member			chl:ShanghaiPudongDevelopmentBankCompanyLimitedMember
1036	China Tower Corporation Limited (China Tower) [member]	Member			chl:ChinaTowerCorporationLimitedMember
1037	IFLYTEK Co., Ltd. ("IFLYTEK") [member]	Member			chl:IflytekCompanyLimitedMember
1038	True Corporation Public Company Limited ("True Corporation") [member]	Member			chl:TrueCorporationPublicCompanyLimitedMember
1039	Disclosure of associates [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
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1041	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
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1044	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
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1046	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
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1048	Percentage of ownership of the Group	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
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1054	Profit/(loss) before taxation	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
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1056	Other comprehensive income/(loss)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
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1059	1113 - Disclosure - Investments Accounted for Using the Equity Method - Summary Financial Information on Principal Associates (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodSummaryFinancialInformationOnPrincipalAssociatesParenthetical
1060	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1061	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1062	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1063	China Tower Corporation Limited (China Tower) [member]	Member			chl:ChinaTowerCorporationLimitedMember
1064	Disclosure of associates [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
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1066	Proportion of ownership interest held by the Company or its subsidiary after dilution	Concept (Percent)	For Period		chl:PercentageOfOwnershipInterestHeldAfterTransaction
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1068	Issue price per share	Concept (Share)	As Of		ifrs-full:ParValuePerShare
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1070	1114 - Disclosure - Investments Accounted for Using the Equity Method - Fair Value of Interests in Listed Associates (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodFairValueOfInterestsInListedAssociates
1071	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
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1074	SPD Bank [member]	Member			chl:ShanghaiPudongDevelopmentBankCompanyLimitedMember
1075	China Tower Corporation Limited (China Tower) [member]	Member			chl:ChinaTowerCorporationLimitedMember
1076	IFLYTEK Co., Ltd. ("IFLYTEK") [member]	Member			chl:IflytekCompanyLimitedMember
1077	True Corporation Public Company Limited ("True Corporation") [member]	Member			chl:TrueCorporationPublicCompanyLimitedMember
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1080	Fair value	Concept (Monetary)	As Of	Debit	ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
1081	1115 - Disclosure - Investments Accounted for Using the Equity Method - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAccountedForUsingTheEquityMethodAdditionalInformation
1082	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
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1085	SPD Bank [member]	Member			chl:ShanghaiPudongDevelopmentBankCompanyLimitedMember
1086	True Corporation Public Company Limited ("True Corporation") [member]	Member			chl:TrueCorporationPublicCompanyLimitedMember
1087	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
1088	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
1089	China Mobile Innovative Business Fund (Shenzhen) Partnership (Limited Partnership) [Member]	Member			chl:ChinaMobileInnovativeBusinessFundShenzhenPartnershipLimitedPartnershipMember
1090	Disclosure of associates [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
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1097	Remaining commitment to joint venture	Concept (Monetary)	As Of	Credit	chl:RemainingCommitmentToJointVenture
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1099	1116 - Disclosure - Deferred Tax Assets and Liabilities - Analysis of Deferred Tax Assets and Liabilities (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredTaxAssetsAndLiabilitiesAnalysisOfDeferredTaxAssetsAndLiabilities
1100	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1101	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1102	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1103	After 12 months [member]	Member			ifrs-full:LaterThanOneYearMember
1104	Within 1 year or on demand [member]	Member			ifrs-full:NotLaterThanOneYearMember
1105	Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1106	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
1107	Deferred tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
1108	1117 - Disclosure - Deferred Tax Assets and Liabilities - Deferred Tax Assets and Liabilities Recognized and Movements During the Period (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredTaxAssetsAndLiabilitiesDeferredTaxAssetsAndLiabilitiesRecognizedAndMovementsDuringThePeriod
1109	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1110	Assets and liabilities [axis]	Axis			ifrs-full:AssetsAndLiabilitiesAxis
1111	Assets and liabilities [member]	Member			ifrs-full:AssetsAndLiabilitiesMember
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1114	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1115	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1116	Write-down for obsolete inventories [member]	Member			chl:WriteDownForObsoleteInventoriesMember
1117	Write-off and impairment of certain network equipment and related assets [member]	Member			chl:WriteOffAndImpairmentOfCertainNetworkEquipmentAndRelatedAssetsMember
1118	Accrued operating expenses [member]	Member			chl:AccruedOperatingExpensesMember
1119	Deferred revenue from Reward Program [member]	Member			chl:DeferredRevenueFromRewardProgramMember
1120	Impairment loss of doubtful accounts [member]	Member			chl:ImpairmentLossOfDoubtfulAccountsMember
1121	Change in value of available for sale financial assets [Member]	Member			chl:ChangeInValueOfAvailableForSaleFinancialAssetsMember
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1123	Contract asset, contract liability and contract cost relating to customer contract [member]	Member			chl:ContractAssetContractLiabilityAndContractCostRelatingToCustomerContractMember
1124	Depreciation allowance in excess of related depreciation [member]	Member			chl:DepreciationAllowanceInExcessOfRelatedDepreciationMember
1125	Deferred tax liabilities other [member]	Member			chl:DeferredTaxLiabilitiesOtherMember
1126	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
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1128	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1129	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
1130	As restated [member]	Member			chl:RestatedBalanceMember
1131	Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1132	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1133	(Charged)/ credited to profit or loss	Concept (Monetary)	For Period		ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1134	(Charged)/ credited to other comprehensive income	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1135	Exchange differences	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1136	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1137	1118 - Disclosure - Deferred Tax Assets and Liabilities - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredTaxAssetsAndLiabilitiesAdditionalInformation
1138	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1139	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1140	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1141	Temporary differences [member]	Member			ifrs-full:TemporaryDifferenceMember
1142	Unused tax losses [member]	Member			ifrs-full:UnusedTaxLossesMember
1143	Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1144	Deductible temporary differences where deferred tax assets were not recognized	Concept (Monetary)	As Of		ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1145	Tax losses where deferred tax assets were not recognized	Concept (Monetary)	As Of		ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1146	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
1147	1119 - Disclosure - Fair Value Measurement of Financial Instruments - Analysis of Fair Value Measurement of Financial Assets (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureFairValueMeasurementOfFinancialInstrumentsAnalysisOfFairValueMeasurementOfFinancialAssets
1148	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1149	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1150	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1151	Equity investments [member]	Member			ifrs-full:EquityInvestmentsMember
1152	Wealth management products [member]	Member			chl:WealthManagementProductsMember
1153	Financial assets at fair value through other comprehensive income, category [member]	Member			ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1154	Financial assets at fair value through profit or loss, category [member]	Member			ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1155	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1156	Currently stated [member]	Member			ifrs-full:RestatedMember
1157	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1158	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
1159	As restated [member]	Member			chl:RestatedBalanceMember
1160	Disclosure of fair value measurement of assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1161	Addition	Concept (Monetary)	For Period	Debit	ifrs-full:PurchasesFairValueMeasurementAssets
1162	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1163	Maturity	Concept (Monetary)	For Period	Credit	ifrs-full:SettlementsFairValueMeasurementAssets
1164	Fair value gains recognized in profit or loss	Concept (Monetary)	For Period		ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
1165	Fair value gains recognized in other comprehensive income, before tax	Concept (Monetary)	For Period		ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets
1166	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1167	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1168	Current portion	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
1169	Non-current portion	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1170	Non-current portion	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
1171	1120 - Disclosure - Fair Value Measurement of Financial Instruments - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureFairValueMeasurementOfFinancialInstrumentsAdditionalInformation
1172	Implied Table	Table	*	*	implied:Table
1173	Disclosure of fair value measurement of assets [abstract]	Abstract			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsAbstract
1174	Transfers between the levels of fair value hierarchy	Concept (Monetary)	For Period	Debit	chl:TransfersBetweenDifferentLevelsOfFairValueHierarchy
1175	1121 - Disclosure - Restricted Bank Deposits - Summary of Restricted Bank Deposits (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRestrictedBankDepositsSummaryOfRestrictedBankDeposits
1176	Disclosure of restricted bank deposits [table]	Table	*	*	chl:DisclosureOfRestrictedBankDepositsTable
1177	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1178	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
1179	Statutory deposit reserves [member]	Member			chl:StatutoryDepositReservesMember
1180	Deposited customer reserves [member]	Member			chl:DepositsByCustomersMember
1181	Pledged bank deposits [member]	Member			chl:PledgedBankDepositsMember
1182	Disclosure of restricted bank deposits [Line Items]	LineItems			chl:DisclosureOfRestrictedBankDepositsLineItems
1183	Restricted bank deposits, Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
1184	Restricted bank deposits, Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentRestrictedCashAndCashEquivalents
1185	Restricted bank deposits, Total	Concept (Monetary)	As Of	Debit	ifrs-full:RestrictedCashAndCashEquivalents
1186	1122 - Disclosure - Inventories - Summary of Inventories (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesSummaryOfInventories
1187	Implied Table	Table	*	*	implied:Table
1188	Classes of current inventories [abstract]	Abstract			ifrs-full:ClassesOfInventoriesAbstract
1189	SIM cards, handsets and other terminals	Concept (Monetary)	As Of	Debit	ifrs-full:Merchandise
1190	Other consumables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherInventories
1191	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
1192	1123 - Disclosure - Accounts Receivable - Aging Analysis of Accounts Receivable, Net of Loss Allowance (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableAgingAnalysisOfAccountsReceivableNetOfLossAllowance
1193	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1194	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1195	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1196	Within 30 days [member]	Member			ifrs-full:NotLaterThanOneMonthMember
1197	31-60 days [member]	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
1198	61-90 days [member]	Member			ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
1199	Over 90 days [member]	Member			ifrs-full:LaterThanThreeMonthsMember
1200	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1201	Accounts receivable, net	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
1202	1124 - Disclosure - Accounts Receivable - Summary of Changes in Loss Allowance of Accounts Receivable (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableSummaryOfChangesInLossAllowanceOfAccountsReceivable
1203	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1204	Credit impairment of financial instruments [axis]	Axis			ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
1205	Credit impairment of financial instruments [member]	Member			ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
1206	Impairment of accounts receivable [member]	Member			chl:ImpairmentOfAccountsReceivableMember
1207	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1208	Currently stated [member]	Member			ifrs-full:RestatedMember
1209	As restated [member]	Member			chl:RestatedBalanceMember
1210	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
1211	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1212	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1213	Changes in accounting policy-IFRS 9	Concept (Monetary)	For Period	Credit	chl:ChangesInIfrs9
1214	Impairment loss recognized	Concept (Monetary)	For Period		ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1215	Accounts receivable written off	Concept (Monetary)	For Period	Debit	ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
1216	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1217	1125 - Disclosure - Other Receivables, Prepayments and Other Current Assets - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherReceivablesPrepaymentsAndOtherCurrentAssetsAdditionalInformation
1218	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
1219	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1220	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1221	China Tower Corporation Limited (China Tower) [member]	Member			chl:ChinaTowerCorporationLimitedMember
1222	China Mobile Finance [member]	Member			chl:ChinaMobileFinanceMember
1223	Impairment of financial assets [axis]	Axis			ifrs-full:ImpairmentOfFinancialAssetsAxis
1224	Entity's total for impairment of financial assets [member]	Member			ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
1225	Neither past due nor impaired [member]	Member			ifrs-full:FinancialAssetsNeitherPastDueNorImpairedMember
1226	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
1227	Other receivables, current	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentReceivables
1228	1126 - Disclosure - Amount Due From/To Ultimate Holding Company - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureAmountDueFromToUltimateHoldingCompanyAdditionalInformation
1229	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1230	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1231	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1232	China Mobile Finance [member]	Member			chl:ChinaMobileFinanceMember
1233	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1234	Amount due to ultimate holding company	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
1235	1127 - Disclosure - Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCashAndCashEquivalentsSummaryOfCashAndCashEquivalents
1236	Implied Table	Table	*	*	implied:Table
1237	Cash and cash equivalents [abstract]	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
1238	Bank deposits with original maturity within three months	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
1239	Cash at banks and on hand	Concept (Monetary)	As Of	Debit	ifrs-full:Cash
1240	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1241	1128 - Disclosure - Accounts Payable - Aging Analysis of Accounts Payable (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsPayableAgingAnalysisOfAccountsPayable
1242	Disclosure of financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfFinancialLiabilitiesTable
1243	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1244	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1245	Within 1 month or on demand [member]	Member			chl:WithinOneMonthOrOnDemandMember
1246	After 1 month but within 3 months [member]	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
1247	After 3 months but within 6 months [member]	Member			ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
1248	After 6 months but within 9 months [member]	Member			chl:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
1249	After 9 months but within 12 months [member]	Member			chl:LaterThanNineMonthsAndNotLaterThanTwelveMonthsMember
1250	Disclosure of financial liabilities [line items]	LineItems			ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1251	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1252	1129 - Disclosure - Deferred Revenue - Summary of Deferred Revenue (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredRevenueSummaryOfDeferredRevenue
1253	Disclosure of deferred income [table]	Table	*	*	chl:DisclosureOfDeferredIncomeTable
1254	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1255	Currently stated [member]	Member			ifrs-full:RestatedMember
1256	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1257	Increase (decrease) due to changes in accounting policy [member]	Member			ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
1258	As restated [member]	Member			chl:RestatedBalanceMember
1259	Disclosure of deferred income [line items]	LineItems			chl:DisclosureOfDeferredIncomeLineItems
1260	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncome
1261	Changes in accounting policy - IFRS 15	Concept (Monetary)	For Period	Debit	chl:EffectOfChangeInAccountingPolicyIFRS15
1262	Beginning balance, Current portion	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsCurrent
1263	Beginning balance, Non-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsNoncurrent
1264	Additions during the year	Concept (Monetary)	For Period	Credit	chl:IncreaseDecreaseInDeferredIncome
1265	Recognized in the consolidated statements of comprehensive income	Concept (Monetary)	For Period	Credit	chl:DeferredIncomeRecognizedInComprehensiveIncome
1266	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncome
1267	Less: Ending balance, Current portion	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsCurrent
1268	Ending balance, Non-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredIncomeClassifiedAsNoncurrent
1269	1130 - Disclosure - Accrued Expenses and Other Payables - Summary of Accrued Expenses And Other Payables (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccruedExpensesAndOtherPayablesSummaryOfAccruedExpensesAndOtherPayables
1270	Implied Table	Table	*	*	implied:Table
1271	Subclassifications of assets, liabilities and equities [abstract]	Abstract			ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
1272	Receipts-in-advance	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAdvances
1273	Other payables	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentPayables
1274	Accrued salaries, wages, labor service expenses and other benefits	Concept (Monetary)	As Of	Credit	ifrs-full:ShorttermEmployeeBenefitsAccruals
1275	Accrued expenses	Concept (Monetary)	As Of	Credit	ifrs-full:AccrualsClassifiedAsCurrent
1276	Accrued expenses and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
1277	1131 - Disclosure - Capital, Reserves and Dividends - Summary of Share Capital (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCapitalReservesAndDividendsSummaryOfShareCapital
1278	Implied Table	Table	*	*	implied:Table
1279	Disclosure of classes of share capital [abstract]	Abstract			ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
1280	Number of shares, beginning period	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssuedAndFullyPaid
1281	Number of shares, end period	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssuedAndFullyPaid
1282	Ordinary shares, issued and fully paid at beginning period	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
1283	Ordinary shares, issued and fully paid at ending period	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
1284	1132 - Disclosure - Capital, Reserves and Dividends - Summary of Dividends (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCapitalReservesAndDividendsSummaryOfDividends
1285	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
1286	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
1287	Equity [member]	Member			ifrs-full:EquityMember
1288	Attributable to equity shareholders of the Company [member]	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
1289	Statement of changes in equity [line items]	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
1290	Ordinary interim dividend declared and paid of HK$1.826 (equivalent to approximately RMB1.540) (2017: HK$1.623 (equivalent to approximately RMB1.409); 2016: HK$1.489 (equivalent to approximately RMB1.273)) per share	Concept (Monetary)	For Period	Debit	chl:OrdinaryDividendsRecognizedAsDistributionsToOwnersOfParentRelatingToCurrentYear
1291	Special dividend declared and paid of HK$3.200 (equivalent to approximately RMB2.777) per share in 2017	Concept (Monetary)	For Period	Debit	chl:SpecialDividendDeclaredAndPaid
1292	Ordinary final dividend proposed after the balance sheet date of HK$1.391 (equivalent to approximately RMB1.219) (2017: HK$1.582 (equivalent to approximately RMB1.322); 2016: HK$1.243 (equivalent to approximately RMB1.112)) per share	Concept (Monetary)	For Period		ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners
1293	Dividends recognised as distributions to owners	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
1294	Ordinary final dividend in respect of the previous financial year, approved and paid during the year, of HK$1.582 (equivalent to approximately RMB1.322) (2017: HK$1.243 (equivalent to approximately RMB1.112); 2016: HK$1.196 (equivalent to approximately RMB1.002)) per share	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears
1295	1133 - Disclosure - Capital, Reserves and Dividends - Summary of Dividends (Parenthetical) (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCapitalReservesAndDividendsSummaryOfDividendsParenthetical
1296	Implied Table	Table	*	*	implied:Table
1297	Statement of changes in equity [abstract]	Abstract			ifrs-full:StatementOfChangesInEquityAbstract
1298	Dividend declared and paid, per share	Concept (Share)	For Period		ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
1299	Dividend proposed per share, per share	Concept (Share)	For Period		ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
1300	Special dividend declared and paid per share	Concept (Share)	For Period		chl:SpecialDividendDeclaredAndPaidPerShare
1301	Dividend approved and paid of the previous financial year, per share	Concept (Share)	For Period		chl:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYearsPerShare
1302	1134 - Disclosure - Capital, Reserves and Dividends - Additional Information (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCapitalReservesAndDividendsAdditionalInformation
1303	Implied Table	Table	*	*	implied:Table
1304	Statement of changes in equity [abstract]	Abstract			ifrs-full:StatementOfChangesInEquityAbstract
1305	Exchange rate of HK$1 at dividend declaration date	Concept (Decimal)	As Of		ifrs-full:ClosingForeignExchangeRate
1306	Enterprise income tax percentage of dividends	Concept (Percent)	For Period		chl:IncomeTaxPercentageWithHoldOnDividendsProposedOrDeclared
1307	Capital reserve	Concept (Monetary)	As Of	Credit	ifrs-full:CapitalReserve
1308	Percentage of profit after taxation required to be transferred to the statutory surplus reserve	Concept (Percent)	For Period		chl:PercentageOfNetProfitOnStatutoryReserve
1309	Threshold percentage of profit after taxation required to the statutory surplus reserve	Concept (Percent)	For Period		chl:ThresholdPercentageOverCapitalStockToBeDistributedOutOfLegalReserve
1310	Minimum statutory reserve percentage	Concept (Percent)	For Period		chl:MinimumStatutoryReservePercentage
1311	Total debt-to-book capitalization ratio	Concept (Percent)	As Of		chl:CapitalizationRateForGeneralBorrowings
1312	1135 - Disclosure - Related Party Transactions - Transactions with CMCC Group (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsTransactionsWithCMCCGroup
1313	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1314	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1315	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1316	China Mobile Communications Corporation [member]	Member			chl:ChinaMobileCommunicationsCorporationMember
1317	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1318	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
1319	Telecommunications [member]	Member			chl:TelecommunicationsMember
1320	Property leasing and management [member]	Member			chl:PropertyLeasingAndManagementServicesMember
1321	Network assets [member]	Member			chl:NetworkAssetsMember
1322	Network capacity [member]	Member			chl:NetworkCapacityMember
1323	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1324	Services revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
1325	Services charges	Concept (Monetary)	For Period	Debit	ifrs-full:ServicesReceivedRelatedPartyTransactions
1326	Leasing charges	Concept (Monetary)	For Period		ifrs-full:LeasesAsLesseeRelatedPartyTransactions
1327	Short-term bank deposits received	Concept (Monetary)	For Period	Credit	chl:ShorttermBankDepositsReceivedRelatedPartyTransactions
1328	Short-term bank deposits repaid	Concept (Monetary)	For Period	Credit	chl:ShorttermBankDepositsRepaidRelatedPartyTransactions
1329	Interest expenses	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnOtherFinancialLiabilities
1330	1136 - Disclosure - Related Party Transactions - Amounts due from/to CMCC Group (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsAmountsDueFromtoCMCCGroup
1331	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1332	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1333	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1334	China Mobile Communications Corporation [member]	Member			chl:ChinaMobileCommunicationsCorporationMember
1335	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1336	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:AmountsReceivableRelatedPartyTransactions
1337	Other receivables	Concept (Monetary)	As Of	Debit	chl:OtherReceivablesFromRelatedParties
1338	Prepayments and other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
1339	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:AmountsPayableRelatedPartyTransactions
1340	Accrued expenses and other payables	Concept (Monetary)	As Of	Credit	chl:AccruedExpensesAndOtherPayablesRelatedPartyTransactions
1341	1137 - Disclosure - Related Party Transactions - Significant transactions with associates of the Group and of CMCC Group (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsSignificantTransactionsWithAssociatesOfTheGroupAndOfCMCCGroup
1342	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1343	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1344	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1345	Associates and joint ventures [member]	Member			chl:AssociatesAndJointVenturesMember
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1363	Disclosure of provision matrix [table]	Table	*	*	ifrs-full:DisclosureOfProvisionMatrixTable
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1418	Disclosure of finance lease and operating lease by lessee [table]	Table	*	*	ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
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1432	Implied Table	Table	*	*	implied:Table
1433	Disclosure of expected impact of initial application of new standards or interpretations [abstract]	Abstract			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsAbstract
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1436	1144 - Disclosure - Condensed Financial Information of the Company - Condensed Statements of Comprehensive Income (Detail)	Network	*	*	http://imetrix.edgar-online.com/taxonomy/role/DisclosureCondensedFinancialInformationOfTheCompanyCondensedStatementsOfComprehensiveIncome
1437	Disclosure of analysis of other comprehensive income by item [table]	Table	*	*	ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable
1438	Consolidated and separate financial statements [axis]	Axis			ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
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