Brookfield Business Partners L.P. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 0001000 - Document - Document and Entity Information Network

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http://bbu.brookfield.com/role/DocumentAndEntityInformation
2 Implied Table Table

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implied:Table
3 Document And Entity Information [Abstract] Abstract bbu:DocumentAndEntityInformationAbstract
4 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
5 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
6 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
7 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
8 Document Type Concept (Submission Type) For Period dei:DocumentType
9 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
10 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
11 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
12 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
13 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
14 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
15 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
16 1001000 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Network

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http://bbu.brookfield.com/role/ConsolidatedStatementsOfFinancialPosition
17 Implied Table Table

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implied:Table
18 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
19 Assets Abstract ifrs-full:AssetsAbstract
20 Current assets Abstract ifrs-full:CurrentAssetsAbstract
21 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
22 Financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
23 Accounts and other receivable, net Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
24 Inventory, net Concept (Monetary) As Of Debit ifrs-full:Inventories
25 Assets held for sale Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
26 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
27 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
28 Financial assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssets
29 Accounts and other receivable, net Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
30 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
31 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
32 Deferred income tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
33 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
34 Equity accounted investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
35 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
36 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
37 Liabilities and equity Abstract ifrs-full:EquityAndLiabilitiesAbstract
38 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
39 Accounts payable and other Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
40 Liabilities associated with assets held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
41 Corporate borrowings Concept (Monetary) As Of Credit bbu:LineOfCreditCurrent1
42 Non-recourse subsidiary borrowings Concept (Monetary) As Of Credit bbu:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsExcludingLineOfCreditCurrent
43 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
44 Accounts payable and other Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
45 Non-recourse subsidiary borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
46 Deferred income tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
47 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
48 Equity Abstract ifrs-full:EquityAbstract
49 Limited partners Concept (Monetary) As Of Credit bbu:LimitedPartnersCapitalAccount1
50 Non-controlling interests attributable to: Abstract bbu:NoncontrollingInterestsAbstract
51 Redemption-Exchange Units, Preferred Shares and Special Limited Partnership Units held by Brookfield Asset Management Inc. Concept (Monetary) As Of Credit bbu:RedeemableNoncontrollingInterestEquityCarryingAmount1
52 Interest of others in operating subsidiaries Concept (Monetary) As Of Credit bbu:OtherNoncontrollingInterests1
53 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
54 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
55 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATING RESULTS Network

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http://bbu.brookfield.com/role/ConsolidatedStatementsOfOperatingResults
56 Implied Table Table

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implied:Table
57 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
58 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
59 Direct operating costs Concept (Monetary) For Period Debit bbu:DirectCosts
60 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
61 Depreciation and amortization expense Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
62 Interest income (expense), net Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
63 Equity accounted income, net Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
64 Impairment expense, net Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
65 Gain on acquisitions/dispositions, net Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
66 Other income (expense), net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
67 Income (loss) before income tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
68 Income tax (expense) recovery Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
69 Current Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
70 Deferred Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
71 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
72 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
73 Limited partners Concept (Monetary) For Period Credit bbu:NetIncomeLossAllocatedtoLimitedPartners1
74 Brookfield Asset Management Inc. Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
75 Non-controlling interests attributable to: Abstract bbu:NoncontrollingInterestsAbstract
76 Redemption-Exchange Units held by Brookfield Asset Management Inc. Concept (Monetary) For Period Credit bbu:NoncontrollingInterestinNetIncomeLossLimitedPartnershipsRedeemable1
77 Special Limited Partners Concept (Monetary) For Period Credit bbu:NoncontrollingInterestinNetIncomeLossLimitedPartnershipsNonredeemable1
78 Interest of others in operating subsidiaries Concept (Monetary) For Period Credit bbu:NoncontrollingInterestinNetIncomeLossOtherNoncontrollingInterests
79 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
80 Basic and diluted earnings per limited partner unit (in usd per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
81 1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Network

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http://bbu.brookfield.com/role/ConsolidatedStatementsOfComprehensiveIncome
82 Implied Table Table

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implied:Table
83 Statement of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
84 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
85 Other comprehensive income (loss): Abstract ifrs-full:OtherComprehensiveIncomeAbstract
86 Items that may be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
87 Foreign currency translation Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation
88 Available-for-sale securities (1) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxAvailableforsaleFinancialAssets
89 Net investment and cash flow hedges Concept (Monetary) For Period Credit bbu:OtherComprehensiveIncomeBeforeTaxCashFlowAndNetInvestmentHedges
90 Equity accounted investment Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax
91 Taxes on the above items Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
92 Other comprehensive income that will be reclassified to profit or loss, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
93 Items that will not be reclassified subsequently to profit or loss: Abstract ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossAbstract
94 Revaluation of pension obligations Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
95 Fair value through OCI (2) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
96 Taxes on the above items Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
97 Total other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
98 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
99 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
100 Limited partners Concept (Monetary) For Period Credit bbu:ComprehensiveIncomeLossPortionAttributableToLimitedPartner
101 Brookfield Asset Management Inc. Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
102 Non-controlling interests attributable to: Abstract bbu:ComprehensiveIncomeLossPortionAttributableToNoncontrollingInterestsAbstract
103 Redemption-Exchange Units held by Brookfield Asset Management Inc. Concept (Monetary) For Period Credit bbu:ComprehensiveIncomeLossPortionAttributableToNoncontrollingInterestLimitedPartnershipsRedeemable
104 Special Limited Partners Concept (Monetary) For Period Credit bbu:ComprehensiveIncomeLossPortionAttributableToNoncontrollingInterestLimitedPartnershipsNonredeemable
105 Interest of others in operating subsidiaries Concept (Monetary) For Period Credit bbu:ComprehensiveIncomeLossPortionAttributableToOtherNoncontrollingInterests
106 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
107 1004000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Network

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http://bbu.brookfield.com/role/ConsolidatedStatementsOfChangesInEquity
108 Statement of changes in equity [table] Table

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ifrs-full:StatementOfChangesInEquityTable
109 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
110 Currently stated [member] Member ifrs-full:RestatedMember
111 Opening balance adjustments Member ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
112 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
113 Equity [member] Member ifrs-full:EquityMember
114 Capital Member ifrs-full:IssuedCapitalMember
115 Retained Earnings Member ifrs-full:RetainedEarningsMember
116 Ownership Change Member bbu:ChangesInOwnershipInterestsOfConsolidatedSubsidiariesMember
117 Accumulated other comprehensive income (loss) Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
118 Capital Member bbu:NoncontrollingInterestAttributableToPreferenceSharesMember
119 Interest of others in operating subsidiaries Member ifrs-full:OtherEquityInterestMember
120 Partner Type 1 [Axis] Axis bbu:PartnerType1Axis
121 Partner Type 1 [Domain] Member bbu:PartnerType1Domain
122 Brookfield Asset Management Inc. Member ifrs-full:EquityAttributableToOwnersOfParentMember
123 Limited Partners Member bbu:LimitedPartners1Member
124 Redemption-Exchange Units held by Brookfield Asset Management Inc. Member bbu:RedeemableNoncontrollingInterestAttributableToOwnersOfParentMember
125 Special Limited Partners Member bbu:NoncontrollingInterestAttributableToSpecialLimitedPartnersMember
126 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
127 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
128 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
129 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
130 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
131 Contributions Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherContributionsByOwners
132 Distributions Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughOtherDistributionsToOwners
133 Acquisition of interest Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
134 Ownership changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
135 Unit issuance Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
136 Other Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
137 Reorganization Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners
138 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
139 1004501 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) Network

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http://bbu.brookfield.com/role/ConsolidatedStatementsOfChangesInEquityParenthetical
140 Statement of changes in equity [table] Table

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ifrs-full:StatementOfChangesInEquityTable
141 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
142 Equity [member] Member ifrs-full:EquityMember
143 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
144 Currently stated [member] Member ifrs-full:RestatedMember
145 Opening balance adjustments Member ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
146 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
147 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
148 Subsidiaries Member ifrs-full:SubsidiariesMember
149 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
150 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
151 1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOW Network

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http://bbu.brookfield.com/role/ConsolidatedStatementsOfCashFlow
152 Implied Table Table

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implied:Table
153 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
154 Operating Activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
155 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
156 Adjusted for the following items: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
157 Equity accounted income, net Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod
158 Impairment expense, net Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
159 Depreciation and amortization expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
160 Gain on acquisitions/dispositions, net Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
161 Provisions and other items Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
162 Deferred income tax expense (recovery) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxExpense
163 Changes in non-cash working capital, net Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
164 Cash from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
165 Financing Activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
166 Proceeds from non-recourse subsidiary borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
167 Repayment of non-recourse subsidiary borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
168 (Repayment) / Proceeds from other credit facilities, net Concept (Monetary) For Period Credit bbu:PaymentsForProceedsFromOtherCreditFacilitiesClassifiedAsFinancingActivities
169 Capital provided by limited partners and Redemption-Exchange Unitholders Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
170 Capital provided by preferred shareholders Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfPreferenceShares
171 Capital provided by others who have interests in operating subsidiaries Concept (Monetary) For Period Debit ifrs-full:ProceedsFromContributionsOfNoncontrollingInterests
172 Capital provided by Brookfield Asset Management Inc. Concept (Monetary) For Period Debit bbu:ProceedsFromContributionsOfParent
173 Distributions to limited partners and Redemption-Exchange Unitholders Concept (Monetary) For Period Credit bbu:DividendsPaidToLimitedPartnersAndRedemptionExchangeUnitholders
174 Distributions to Special Limited Partners Concept (Monetary) For Period Credit bbu:DividendsPaidToSpecialLimitedPartnersUnitholders
175 Distributions to others who have interests in operating subsidiaries Concept (Monetary) For Period Credit bbu:DividendsPaidToOtherUnitholders
176 Distributions to Brookfield Asset Management Inc. Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
177 Cash from (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
178 Investing Activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
179 Acquisitions Abstract bbu:AcquisitionsAbstract
180 Subsidiaries, net of cash acquired Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
181 Property, plant and equipment and intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
182 Equity accounted investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
183 Financial assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
184 Dispositions and distributions Abstract bbu:DispositionsAndDistributionsAbstract
185 Subsidiaries, net of cash disposed Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
186 Property, plant and equipment and intangible assets Concept (Monetary) For Period Debit bbu:ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities
187 Equity accounted investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod
188 Financial assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
189 Proceeds from sale of assets held for sale Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
190 Net settlement of foreign exchange hedges Concept (Monetary) For Period Credit ifrs-full:CashPaymentsForFutureContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsInvestingActivities
191 Net settlement of foreign exchange hedges Concept (Monetary) For Period Debit ifrs-full:CashReceiptsFromFutureContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsInvestingActivities
192 Restricted cash and deposits Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInRestrictedCashAndCashEquivalents
193 Cash from (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
194 Cash Abstract ifrs-full:CashAndCashEquivalentsAbstract
195 Change during the period Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
196 Impact of foreign exchange on cash Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
197 Cash reclassified as assets held for sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
198 Balance, beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
199 Balance, end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
200 2101100 - Disclosure - NATURE AND DESCRIPTION OF THE PARTNERSHIP Network

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http://bbu.brookfield.com/role/NatureAndDescriptionOfPartnership
201 Implied Table Table

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202 Corporate Information And Statement Of IFRS Compliance [Abstract] Abstract bbu:CorporateInformationAndStatementOfIFRSComplianceAbstract
203 NATURE AND DESCRIPTION OF THE PARTNERSHIP Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory
204 2102100 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Network

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http://bbu.brookfield.com/role/SignificantAccountingPolicies
205 Implied Table Table

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implied:Table
206 Corporate Information And Statement Of IFRS Compliance [Abstract] Abstract bbu:CorporateInformationAndStatementOfIFRSComplianceAbstract
207 SIGNIFICANT ACCOUNTING POLICIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
208 2107100 - Disclosure - ACQUISITION OF BUSINESSES Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinesses
209 Implied Table Table

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implied:Table
210 Business Combinations 1 [Abstract] Abstract bbu:BusinessCombinations1Abstract
211 ACQUISITION OF BUSINESSES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBusinessCombinationsExplanatory
212 2110100 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS Network

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http://bbu.brookfield.com/role/FairValueOfFinancialInstruments
213 Implied Table Table

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214 Fair Value Measurement [Abstract] Abstract bbu:FairValueMeasurementAbstract
215 FAIR VALUE OF FINANCIAL INSTRUMENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
216 2113100 - Disclosure - FINANCIAL ASSETS Network

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http://bbu.brookfield.com/role/FinancialAssets
217 Implied Table Table

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implied:Table
218 Financial Instruments [Abstract] Abstract bbu:FinancialInstrumentsAbstract
219 FINANCIAL ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
220 2116100 - Disclosure - ACCOUNTS AND OTHER RECEIVABLE, NET Network

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http://bbu.brookfield.com/role/AccountsAndOtherReceivableNet
221 Implied Table Table

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implied:Table
222 Subclassifications of assets, liabilities and equities [abstract] Abstract ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
223 ACCOUNTS AND OTHER RECEIVABLE, NET Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
224 2119100 - Disclosure - INVENTORY, NET Network

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http://bbu.brookfield.com/role/InventoryNet
225 Implied Table Table

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226 Inventories [Abstract] Abstract bbu:InventoriesAbstract
227 INVENTORY, NET Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
228 2122100 - Disclosure - ASSETS HELD FOR SALE Network

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http://bbu.brookfield.com/role/AssetsHeldForSale
229 Implied Table Table

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230 Assets And Liabilities Classified As Held For Sale [Abstract] Abstract bbu:AssetsAndLiabilitiesClassifiedAsHeldForSaleAbstract
231 ASSETS HELD FOR SALE Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
232 2125100 - Disclosure - OTHER ASSETS Network

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http://bbu.brookfield.com/role/OtherAssets
233 Implied Table Table

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implied:Table
234 Subclassifications of assets, liabilities and equities [abstract] Abstract ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
235 OTHER ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherAssetsExplanatory
236 2128100 - Disclosure - NON-WHOLLY OWNED SUBSIDIARIES Network

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http://bbu.brookfield.com/role/NonWhollyOwnedSubsidiaries
237 Implied Table Table

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implied:Table
238 Interests In Other Entities [Abstract] Abstract bbu:InterestsInOtherEntitiesAbstract
239 NON-WHOLLY OWNED SUBSIDIARIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
240 2131100 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Network

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http://bbu.brookfield.com/role/PropertyPlantAndEquipment
241 Implied Table Table

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242 Property, plant and equipment [abstract] Abstract ifrs-full:PropertyPlantAndEquipmentAbstract
243 PROPERTY, PLANT AND EQUIPMENT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
244 2134100 - Disclosure - INTANGIBLE ASSETS Network

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http://bbu.brookfield.com/role/IntangibleAssets
245 Implied Table Table

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246 Intangible Assets [Abstract] Abstract bbu:IntangibleAssetsAbstract
247 INTANGIBLE ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
248 2137100 - Disclosure - GOODWILL Network

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http://bbu.brookfield.com/role/Goodwill
249 Implied Table Table

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250 Intangible Assets [Abstract] Abstract bbu:IntangibleAssetsAbstract
251 GOODWILL Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
252 2140100 - Disclosure - EQUITY ACCOUNTED INVESTMENTS Network

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http://bbu.brookfield.com/role/EquityAccountedInvestments
253 Implied Table Table

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254 Interests In Other Entities [Abstract] Abstract bbu:InterestsInOtherEntitiesAbstract
255 EQUITY ACCOUNTED INVESTMENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
256 2143100 - Disclosure - ACCOUNTS PAYABLE AND OTHER Network

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http://bbu.brookfield.com/role/AccountsPayableAndOther
257 Implied Table Table

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258 Subclassifications of assets, liabilities and equities [abstract] Abstract ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
259 ACCOUNTS PAYABLE AND OTHER Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
260 2146100 - Disclosure - CONTRACTS IN PROGRESS Network

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http://bbu.brookfield.com/role/ContractsInProgress
261 Implied Table Table

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262 Construction Contracts [Abstract] Abstract bbu:ConstructionContractsAbstract
263 CONTRACTS IN PROGRESS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRecognisedRevenueFromConstructionContractsExplanatory
264 2149100 - Disclosure - BORROWINGS Network

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http://bbu.brookfield.com/role/Borrowings
265 Implied Table Table

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266 Financial Instruments [Abstract] Abstract bbu:FinancialInstrumentsAbstract
267 BORROWINGS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
268 2152100 - Disclosure - INCOME TAXES Network

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271 INCOME TAXES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
272 2155100 - Disclosure - EQUITY Network

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274 Equity [abstract] Abstract ifrs-full:EquityAbstract
275 EQUITY Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
276 2158100 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME Network

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277 Implied Table Table

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279 ACCUMULATED OTHER COMPREHENSIVE INCOME Concept (Text Block (HTML)) For Period bbu:DisclosureOfAccumulatedOtherComprehensiveIncomeLossTextBlock
280 2161100 - Disclosure - DIRECT OPERATING COSTS Network

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283 DIRECT OPERATING COSTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesExplanatory
284 2164100 - Disclosure - GUARANTEES AND CONTINGENCIES Network

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285 Implied Table Table

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287 GUARANTEES AND CONTINGENCIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory
288 2167100 - Disclosure - CONTRACTUAL COMMITMENTS Network

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http://bbu.brookfield.com/role/ContractualCommitments
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291 CONTRACTUAL COMMITMENTS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
292 2170100 - Disclosure - RELATED PARTY TRANSACTIONS Network

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294 Related Party [Abstract] Abstract bbu:RelatedPartyAbstract
295 RELATED PARTY TRANSACTIONS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
296 2176100 - Disclosure - FINANCIAL RISK MANAGEMENT Network

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http://bbu.brookfield.com/role/FinancialRiskManagement
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299 FINANCIAL RISK MANAGEMENT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
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303 SEGMENT INFORMATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
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307 SUPPLEMENTAL CASH FLOW INFORMATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
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http://bbu.brookfield.com/role/PostEmploymentBenefits
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310 Employee Benefits [Abstract] Abstract bbu:EmployeeBenefitsAbstract
311 POST-EMPLOYMENT BENEFITS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
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320 Continuity of interests Concept (Text Block (HTML)) For Period bbu:DescriptionOfAccountingPolicyForContinuityOfInterestsPolicyTextBlock
321 Basis of consolidation Concept (Text Block (HTML)) For Period bbu:DescriptionOfAccountingPolicyForConsolidationPolicyTextBlock
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325 Foreign currency translation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
326 Business combinations Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
327 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
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329 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
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334 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
335 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
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341 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
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349 New accounting policies adopted Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory
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354 Disclosure of detailed information about property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
355 Disclosure of detailed information about intangible asset amortization periods Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
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358 Disclosure of initial application of standards or interpretations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations
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http://bbu.brookfield.com/role/AcquisitionOfBusinessesTables
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369 Carrying and fair values of financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory
370 Schedule of significant unobservable inputs used and change in balance of financial assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory
371 Schedule of significant unobservable inputs used and change in balance of financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory
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http://bbu.brookfield.com/role/FinancialAssetsTables
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379 Disclosure of financial assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsExplanatory
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http://bbu.brookfield.com/role/InventoryNetTables
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383 Disclosure of current inventories Concept (Text Block (HTML)) For Period bbu:DisclosureOfCurrentInventoriesTableTextBlock
384 Disclosure of inventory obsolescence provision Concept (Text Block (HTML)) For Period bbu:DisclosureOfInventoryObsolescenceProvisionTableTextBlock
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http://bbu.brookfield.com/role/AssetsHeldForSaleTables
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http://bbu.brookfield.com/role/OtherAssetsTables
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396 Disclosure of interests in subsidiaries Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
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400 Disclosure of detailed information about property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
401 2334301 - Disclosure - INTANGIBLE ASSETS (Tables) Network

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405 2337301 - Disclosure - GOODWILL (Tables) Network

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http://bbu.brookfield.com/role/GoodwillTables
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409 Disclosure of goodwill allocated by segments Concept (Text Block (HTML)) For Period bbu:DisclosureOfGoodwillBySegmentsTableTextBlock
410 2340301 - Disclosure - EQUITY ACCOUNTED INVESTMENTS (Tables) Network

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http://bbu.brookfield.com/role/EquityAccountedInvestmentsTables
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414 Disclosure of ownership interest, voting interest, and carrying value of associates Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesExplanatory
415 Disclosure of change in equity investments Concept (Text Block (HTML)) For Period bbu:DisclosureOfChangeInEquityInvestmentsTableTextBlock
416 Disclosure of interests in associates Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInAssociatesExplanatory
417 Disclosure of interests in joint ventures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory
418 Disclosure of fair value of equity accounted investments Concept (Text Block (HTML)) For Period bbu:DisclosureOfFairValueBasedOnPubliclyListedPriceOfEquityAccountedInvestmentsInComparisonToTheCompanysCarryingValueTableTextBlock
419 2343301 - Disclosure - ACCOUNTS PAYABLE AND OTHER (Tables) Network

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423 Disclosure of other provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
424 2346301 - Disclosure - CONTRACTS IN PROGRESS (Tables) Network

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http://bbu.brookfield.com/role/ContractsInProgressTables
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http://bbu.brookfield.com/role/BorrowingsTables
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http://bbu.brookfield.com/role/IncomeTaxesTables
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437 Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
438 Disclosure of expiry date of unrecognized deferred tax assets Concept (Text Block (HTML)) For Period bbu:DisclosureOfExpiryDateOfDeferredTaxAssetsNotRecognisedTableTextBlock
439 Disclosure of components of income tax in other comprehensive income Concept (Text Block (HTML)) For Period bbu:DisclosureOfAggregatedIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeTableTextBlock
440 2355301 - Disclosure - EQUITY (Tables) Network

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http://bbu.brookfield.com/role/EquityTables
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http://bbu.brookfield.com/role/AccumulatedOtherComprehensiveIncomeTables
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http://bbu.brookfield.com/role/DirectOperatingCostsTables
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http://bbu.brookfield.com/role/ContractualCommitmentsTables
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http://bbu.brookfield.com/role/RelatedPartyTransactionsTables
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http://bbu.brookfield.com/role/FinancialRiskManagementTables
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471 Disclosure of sensitivity analysis for foreign currency risk Concept (Text Block (HTML)) For Period ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk
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http://bbu.brookfield.com/role/SegmentInformationTables
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http://bbu.brookfield.com/role/PostEmploymentBenefitsTables
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http://bbu.brookfield.com/role/NatureAndDescriptionOfPartnershipDetails
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519 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
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522 Cash dividend as a percentage of redemption value Concept (Percent) For Period bbu:SpinoffTransactionCashDividendAsAPercentageOfRedemptionValue
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524 Term of borrowings Concept (xbrli:durationItemType) For Period bbu:BorrowingsTerm
525 Credit facility, maximum borrowing capacity Concept (Monetary) As Of Credit bbu:LineOfCreditFacilityMaximumBorrowingCapacity1
526 Management fee, percent Concept (Percent) For Period bbu:ManagementFeePercent
527 Management fee, quarterly percent Concept (Percent) For Period bbu:ManagementFeeQuarterlyPercent
528 Incentive distribution, unit price percentage increase Concept (Percent) For Period bbu:IncentiveDistributionUnitPricePercentageIncrease
529 2402403 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesNarrativeDetails
530 Disclosure of operating segments [table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
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534 Business services Member bbu:BusinessServicesSegmentMember
535 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
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537 Mining Member bbu:MiningMember
538 Construction Services Member bbu:ConstructionServicesMember
539 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
540 Currently stated [member] Member ifrs-full:RestatedMember
541 Increase (decrease) due to corrections of prior period errors Member ifrs-full:FinancialEffectOfCorrectionsOfAccountingErrorsMember
542 Increase (decrease) due to application of IFRS 15 Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
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568 Increase in cash from (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
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574 Reclassification adjustments on available-for-sale financial assets, net of tax Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsNetOfTax
575 Increase in assets Concept (Monetary) As Of Debit ifrs-full:Assets
576 Increase in liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
577 Decrease in retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
578 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
579 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
580 2402404 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Subsidiary Interests (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesScheduleOfSubsidiaryInterestsDetails
581 Disclosure of subsidiaries [table] Table

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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
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586 Industrial operations Member bbu:IndustrialOperationsSegmentMember
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588 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
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590 Brookfield RPS Limited Member bbu:BRPSMember
591 Multiplex Member bbu:MultiplexMember
592 Crossbridge Condominium Services Ltd. Member bbu:CrossbridgeCondominiumServicesLtd.Member
593 WatServ Member bbu:WatServMember
594 BG Fuels Member bbu:BGFuelsMember
595 BGIS Global Integrated Solutions Member bbu:BGISGlobalIntegratedSolutionsMember
596 Nova Cold Logistics Member bbu:NovaColdLogisticsMember
597 Greenergy Fuels Holding Limited Member bbu:GreenergyFuelHoldingsLimitedMember
598 Imagine Communications Group Limited Member bbu:ImagineCommunicationsGroupLimitedMember
599 Westinghouse Electric Company Member bbu:WestinghouseElectricCompanyMember
600 Teekay Offshore Partners L.P. Member bbu:TeekayOffshorePartnersLPMember
601 Hammerstone Corporation Member bbu:HammerstoneCorporationMember
602 GrafTech International Ltd. Member bbu:GrafTechInternationalLtd.Member
603 BRK Ambiental Member bbu:BRKAmbientalMember
604 AP Infrastructure Solutions LP Member bbu:APInfrastructureSolutionsLPMember
605 North American Palladium Ltd. Member bbu:NorthAmericanPalladiumLtd.Member
606 Ember Resources Inc. Member bbu:CWCEnergyServicesCorp.Member
607 Schoeller Allibert Group BV Member bbu:SchoellerAllibertGroupBVMember
608 CWC Energy Services Corp Member bbu:CWCEnergyServicesCorpMember
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610 Voting interest (%) Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInSubsidiary
611 Economic interest (%) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
612 2402405 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Property, Plant and Equipment (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesScheduleOfPropertyPlantAndEquipmentDetails
613 Disclosure of detailed information about property, plant and equipment [table] Table

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
614 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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616 Buildings Member ifrs-full:BuildingsMember
617 Leasehold improvements Member ifrs-full:LeaseholdImprovementsMember
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619 Oil and gas related equipment Member ifrs-full:OilAndGasAssetsMember
620 Vessels Member ifrs-full:ShipsMember
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622 Useful life Concept (xbrli:durationItemType) For Period bbu:PropertyPlantandEquipmentUsefulLife1
623 2402406 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Intangible Assets (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesScheduleOfIntangibleAssetsDetails
624 Disclosure of detailed information about intangible assets [table] Table

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ifrs-full:DisclosureOfIntangibleAssetsTable
625 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
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627 Water and sewage concession agreements Member bbu:WaterAndSewageConcessionAgreementsMember
628 Brand names Member ifrs-full:BrandNamesMember
629 Computer software Member ifrs-full:ComputerSoftwareMember
630 Customer relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
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632 Proprietary technology Member ifrs-full:TechnologybasedIntangibleAssetsMember
633 Product development costs Member ifrs-full:CapitalisedDevelopmentExpenditureMember
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635 Loyalty program Member bbu:LoyaltyProgramMember
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640 Intangible asset amortization periods Concept (xbrli:durationItemType) For Period bbu:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod
641 2402407 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Schedule of Impact Upon Adoption of IFRS 9 (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesScheduleOfImpactUponAdoptionOfIfrs9Details
642 Disclosure of financial assets [table] Table

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ifrs-full:DisclosureOfFinancialAssetsTable
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646 Elected for hedge accounting Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
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649 Opening balance (IAS 39) Concept (Monetary) As Of Debit bbu:FinancialAssetsCarryingAmountImmediatelyBeforeInitialApplicationOfIFRS9
650 Reclassifications Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsOnBasisOfMeasurementCategoryFirstApplicationOfIFRS9
651 Revised opening balance (IFRS 9) Concept (Monetary) As Of Debit bbu:FinancialAssetsCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
652 2402408 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Impact on Adoption of New IFRS Standards, Revenue (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesImpactOnAdoptionOfNewIfrsStandardsRevenueDetails
653 Disclosure of disaggregation of revenue from contracts with customers [table] Table

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ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
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662 Revenue as if it were under former revenue standards Member ifrs-full:PreviouslyStatedMember
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665 Total IFRS 15 revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
666 2402409 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Impact on Adoption of New IFRS Standards, Schedule of Financial Position (Details) Network

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http://bbu.brookfield.com/role/SignificantAccountingPoliciesImpactOnAdoptionOfNewIfrsStandardsScheduleOfFinancialPositionDetails
667 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
668 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
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670 Previously stated Member ifrs-full:PreviouslyStatedMember
671 Increase (decrease) due to application of IFRS 15 Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
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702 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
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710 2407402 - Disclosure - ACQUISITION OF BUSINESSES - Schedule of Current Year Acquisitions (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesScheduleOfCurrentYearAcquisitionsDetails
711 Disclosure of detailed information about business combination [table] Table

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ifrs-full:DisclosureOfBusinessCombinationsTable
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740 2407403 - Disclosure - ACQUISITION OF BUSINESSES - Business Services, Facilities Management (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesBusinessServicesFacilitiesManagementDetails
741 Disclosure of detailed information about business combination [table] Table

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ifrs-full:DisclosureOfBusinessCombinationsTable
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757 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
758 2407404 - Disclosure - ACQUISITION OF BUSINESSES - Business Services, Imagine Communications Group Limited (Imagine) (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesBusinessServicesImagineCommunicationsGroupLimitedImagineDetails
759 Disclosure of detailed information about business combination [table] Table

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*

ifrs-full:DisclosureOfBusinessCombinationsTable
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780 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
781 2407405 - Disclosure - ACQUISITION OF BUSINESSES - Business Services, Other (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesBusinessServicesOtherDetails
782 Disclosure of detailed information about business combination [table] Table

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ifrs-full:DisclosureOfBusinessCombinationsTable
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799 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
800 2407406 - Disclosure - ACQUISITION OF BUSINESSES - Infrastructure Services, Westinghouse Electric Company (Westinghouse) (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesInfrastructureServicesWestinghouseElectricCompanyWestinghouseDetails
801 Disclosure of detailed information about business combination [table] Table

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ifrs-full:DisclosureOfBusinessCombinationsTable
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814 Goodwill expected to be deductible for tax purposes Concept (Monetary) As Of Debit ifrs-full:GoodwillExpectedDeductibleForTaxPurposes
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819 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
820 2407407 - Disclosure - ACQUISITION OF BUSINESSES - Infrastructure Services, Teekay Offshore Partners L.P. (Teekay Offshore) (Details) Network

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*

http://bbu.brookfield.com/role/AcquisitionOfBusinessesInfrastructureServicesTeekayOffshorePartnersLPTeekayOffshoreDetails
821 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
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857 Total gain on acquisition attributable to the partnership Concept (Monetary) As Of Credit bbu:GainRecognisedAsOfAcquisitionDate
858 2407408 - Disclosure - ACQUISITION OF BUSINESSES - Industrial Operations, Schoeller Allibert Group B.V. (Schoeller Allibert) (Details) Network

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*

http://bbu.brookfield.com/role/AcquisitionOfBusinessesIndustrialOperationsSchoellerAllibertGroupBVSchoellerAllibertDetails
859 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
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880 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
881 2407409 - Disclosure - ACQUISITION OF BUSINESSES - Schedule of Prior Year Acquisitions (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesScheduleOfPriorYearAcquisitionsDetails
882 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
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912 Measurement period adjustments recognized, goodwill Concept (Monetary) For Period Debit bbu:MeasurementPeriodAdjustmentsRecognisedGoodwill
913 2407410 - Disclosure - ACQUISITION OF BUSINESSES - Business Services, Fuel Holdings Ltd. (Greenergy) (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesBusinessServicesFuelHoldingsLtdGreenergyDetails
914 Disclosure of detailed information about business combination [table] Table

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*

ifrs-full:DisclosureOfBusinessCombinationsTable
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939 Profit (loss) of acquiree since acquisition date Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfAcquiree
940 Revenue of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:RevenueOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
941 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
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943 2407411 - Disclosure - ACQUISITION OF BUSINESSES - Business Services, Fuel Marketing (Details) Network

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*

http://bbu.brookfield.com/role/AcquisitionOfBusinessesBusinessServicesFuelMarketingDetails
944 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
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963 2407412 - Disclosure - ACQUISITION OF BUSINESSES - Business Services, Other, Prior Year (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesBusinessServicesOtherPriorYearDetails
964 Disclosure of detailed information about business combination [table] Table

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*

ifrs-full:DisclosureOfBusinessCombinationsTable
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982 2407413 - Disclosure - ACQUISITION OF BUSINESSES - Industrial Operations - BRK Ambiental (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesIndustrialOperationsBrkAmbientalDetails
983 Disclosure of detailed information about business combination [table] Table

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*

ifrs-full:DisclosureOfBusinessCombinationsTable
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1001 Restricted Cash And Cash Equivalents, Release Period Concept (xbrli:durationItemType) For Period bbu:RestrictedCashAndCashEquivalentsReleasePeriod
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1008 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
1009 2407414 - Disclosure - ACQUISITION OF BUSINESSES - Industrial Operations - Other (Details) Network

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http://bbu.brookfield.com/role/AcquisitionOfBusinessesIndustrialOperationsOtherDetails
1010 Disclosure of detailed information about business combination [table] Table

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ifrs-full:DisclosureOfBusinessCombinationsTable
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1025 Profit (loss) of acquiree as if combination occurred at beginning of period Concept (Monetary) For Period Credit bbu:ProfitLossOfAcquireesAsIfCombinationOccurredAtBeginningOfPeriod
1026 2410402 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Financial Instrument Classification (Details) Network

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http://bbu.brookfield.com/role/FairValueOfFinancialInstrumentsFinancialInstrumentClassificationDetails
1027 Disclosure of financial assets [table] Table

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ifrs-full:DisclosureOfFinancialAssetsTable
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1044 2410402 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Financial Instrument Classification (Details) Network

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http://bbu.brookfield.com/role/FairValueOfFinancialInstrumentsFinancialInstrumentClassificationDetails
1045 Disclosure of financial liabilities [table] Table

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ifrs-full:DisclosureOfFinancialLiabilitiesTable
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1057 2410403 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) Network

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http://bbu.brookfield.com/role/FairValueOfFinancialInstrumentsNarrativeDetails
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bbu:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
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1101 2410404 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Hierarchy Levels (Details) Network

*

*

http://bbu.brookfield.com/role/FairValueOfFinancialInstrumentsFairValueHierarchyLevelsDetails
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*

bbu:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
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*

http://bbu.brookfield.com/role/FairValueOfFinancialInstrumentsValuationTechniquesOnFairValueMeasurementsDetails
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*

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*

*

http://bbu.brookfield.com/role/FairValueOfFinancialInstrumentsChangeInBalanceOfFairValueAssetsAndLiabilitiesDetails
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1181 2413402 - Disclosure - FINANCIAL ASSETS (Details) Network

*

*

http://bbu.brookfield.com/role/FinancialAssetsDetails
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*

ifrs-full:DisclosureOfFinancialAssetsTable
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1188 2413402 - Disclosure - FINANCIAL ASSETS (Details) Network

*

*

http://bbu.brookfield.com/role/FinancialAssetsDetails
1189 Implied Table Table

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*

implied:Table
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1205 2416402 - Disclosure - ACCOUNTS AND OTHER RECEIVABLE, NET - Current and Non-current Balances (Details) Network

*

*

http://bbu.brookfield.com/role/AccountsAndOtherReceivableNetCurrentAndNonCurrentBalancesDetails
1206 Implied Table Table

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1215 2416403 - Disclosure - ACCOUNTS AND OTHER RECEIVABLE, NET - Narrative (Details) Network

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*

http://bbu.brookfield.com/role/AccountsAndOtherReceivableNetNarrativeDetails
1216 Disclosure of financial assets [table] Table

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*

ifrs-full:DisclosureOfFinancialAssetsTable
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1224 2416404 - Disclosure - ACCOUNTS AND OTHER RECEIVABLE, NET - Allowance For Doubtful Accounts (Details) Network

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*

http://bbu.brookfield.com/role/AccountsAndOtherReceivableNetAllowanceForDoubtfulAccountsDetails
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*

*

ifrs-full:DisclosureOfFinancialAssetsTable
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1236 2419402 - Disclosure - INVENTORY, NET - Carrying Amount of Inventories (Details) Network

*

*

http://bbu.brookfield.com/role/InventoryNetCarryingAmountOfInventoriesDetails
1237 Implied Table Table

*

*

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1247 2419403 - Disclosure - INVENTORY, NET - Narrative (Details) Network

*

*

http://bbu.brookfield.com/role/InventoryNetNarrativeDetails
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*

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implied:Table
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1251 2419404 - Disclosure - INVENTORY, NET - Inventory Obsolescence Provision (Details) Network

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*

http://bbu.brookfield.com/role/InventoryNetInventoryObsolescenceProvisionDetails
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implied:Table
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1258 2422402 - Disclosure - ASSETS HELD FOR SALE - Assets and Liabilities Classified as Held for Sale (Details) Network

*

*

http://bbu.brookfield.com/role/AssetsHeldForSaleAssetsAndLiabilitiesClassifiedAsHeldForSaleDetails
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*

bbu:DisclosureOfAssetsAndLiabilitiesHeldForSaleTable
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1270 2422403 - Disclosure - ASSETS HELD FOR SALE - Narrative (Details) Network

*

*

http://bbu.brookfield.com/role/AssetsHeldForSaleNarrativeDetails
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*

bbu:DisclosureOfAssetsAndLiabilitiesHeldForSaleTable
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1292 2425402 - Disclosure - OTHER ASSETS (Details) Network

*

*

http://bbu.brookfield.com/role/OtherAssetsDetails
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*

*

implied:Table
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1304 2428402 - Disclosure - NON-WHOLLY OWNED SUBSIDIARIES - Investments In Material Non-Wholly Owned Subsidiaries (Details) Network

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*

http://bbu.brookfield.com/role/NonWhollyOwnedSubsidiariesInvestmentsInMaterialNonWhollyOwnedSubsidiariesDetails
1305 Disclosure of subsidiaries [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
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1325 2428403 - Disclosure - NON-WHOLLY OWNED SUBSIDIARIES - Composition of Accumulated NCI (Details) Network

*

*

http://bbu.brookfield.com/role/NonWhollyOwnedSubsidiariesCompositionOfAccumulatedNciDetails
1326 Disclosure of subsidiaries [table] Table

*

*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
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1338 2431402 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details) Network

*

*

http://bbu.brookfield.com/role/PropertyPlantAndEquipmentDetails
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*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
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1345 Mineral Property Assets and Oil and Gas Properties Member bbu:MiningAssetsAndOilAndGasAssetsMember
1346 Vessels Member ifrs-full:ShipsMember
1347 Others Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1348 Oil and Gas Properties Member ifrs-full:OilAndGasAssetsMember
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1351 Gross Carrying Amount Member ifrs-full:GrossCarryingAmountMember
1352 Accumulated Depreciation and Impairment Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1353 Accumulated Depreciation and Impairment Member ifrs-full:AccumulatedImpairmentMember
1354 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1355 Reconciliation of changes in property, plant and equipment [abstract] Abstract ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
1356 Property, plant and equipment, Beginning Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1357 Additions (cash and non-cash) Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1358 Depreciation/depletion/impairment expense Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1359 Disposals (cash and non-cash) Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1360 Acquisitions through business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1361 Transfers and assets reclassified as held for sale Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
1362 Net foreign currency exchange differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1363 Property, plant and equipment, Ending Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1364 Impairment loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1365 Future development costs Concept (Monetary) As Of Credit bbu:FutureNetCashFlowsRelatingtoProvedOilandGasReservesDevelopmentCosts1
1366 2434402 - Disclosure - INTANGIBLE ASSETS (Details) Network

*

*

http://bbu.brookfield.com/role/IntangibleAssetsDetails
1367 Disclosure of detailed information about intangible assets [table] Table

*

*

ifrs-full:DisclosureOfIntangibleAssetsTable
1368 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1369 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1370 Water and sewage concession agreements Member bbu:WaterAndSewageConcessionAgreementsMember
1371 Customer relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
1372 Computer software, patents trademarks and proprietary technology Member bbu:ComputerSoftwareAndCopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
1373 Loyalty program Member bbu:LoyaltyProgramMember
1374 Brand Member ifrs-full:BrandNamesMember
1375 Distribution networks and other Member bbu:DistributionNetworksMember
1376 Patents and trademarks Member ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
1377 Proprietary technology Member ifrs-full:TechnologybasedIntangibleAssetsMember
1378 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1379 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1380 Gross Carrying Amount Member ifrs-full:GrossCarryingAmountMember
1381 Accumulated Amortization and Impairment Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1382 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1383 Reconciliation of changes in intangible assets other than goodwill [abstract] Abstract ifrs-full:ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract
1384 Intangible assets, Beginning Balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1385 Amortization expense Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1386 Additions, net Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1387 Acquisitions through business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1388 Net foreign currency exchange differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
1389 Disposal Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
1390 Intangible assets, Ending Balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1391 Intangible asset useful life Concept (xbrli:durationItemType) For Period bbu:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod
1392 2437402 - Disclosure - GOODWILL - Change in Balance of Goodwill (Details) Network

*

*

http://bbu.brookfield.com/role/GoodwillChangeInBalanceOfGoodwillDetails
1393 Disclosure of reconciliation of changes in intangible assets and goodwill [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1394 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1395 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1396 Goodwill Member ifrs-full:GoodwillMember
1397 Disclosure of reconciliation of changes in intangible assets and goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1398 Reconciliation of changes in intangible assets and goodwill [abstract] Abstract ifrs-full:ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
1399 Balance at beginning of year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1400 Acquisitions through business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill
1401 Foreign currency translation Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill
1402 Balance at end of year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1403 2437403 - Disclosure - GOODWILL - Goodwill by Segment (Details) Network

*

*

http://bbu.brookfield.com/role/GoodwillGoodwillBySegmentDetails
1404 Disclosure of operating segments [table] Table

*

*

ifrs-full:DisclosureOfOperatingSegmentsTable
1405 Segments [axis] Axis ifrs-full:SegmentsAxis
1406 Segments [member] Member ifrs-full:SegmentsMember
1407 Business services Member bbu:BusinessServicesSegmentMember
1408 Infrastructure services Member bbu:InfrastructureServicesSegmentMember
1409 Industrial operations Member bbu:IndustrialOperationsSegmentMember
1410 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1411 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1412 2440402 - Disclosure - EQUITY ACCOUNTED INVESTMENTS - Ownership, Voting Interest, and Carrying Value of Investments (Details) Network

*

*

http://bbu.brookfield.com/role/EquityAccountedInvestmentsOwnershipVotingInterestAndCarryingValueOfInvestmentsDetails
1413 Disclosure Of Associates And Joint Ventures [Table] Table

*

*

bbu:DisclosureOfAssociatesAndJointVenturesTable
1414 Segments [axis] Axis ifrs-full:SegmentsAxis
1415 Segments [member] Member ifrs-full:SegmentsMember
1416 Business services Member bbu:BusinessServicesSegmentMember
1417 Infrastructure services Member bbu:InfrastructureServicesSegmentMember
1418 Industrial operations Member bbu:IndustrialOperationsSegmentMember
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1420 Ranges [member] Member ifrs-full:RangesMember
1421 Bottom of range Member ifrs-full:BottomOfRangeMember
1422 Top of range Member ifrs-full:TopOfRangeMember
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1424 Economic interest Concept (Percent) For Period bbu:ProportionOfOwnershipInterestInAssociateAndJointVenture
1425 Voting interest Concept (Percent) For Period bbu:ProportionOfVotingPowerHeldInAssociateAndJointVenture
1426 Carrying value Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1427 2440403 - Disclosure - EQUITY ACCOUNTED INVESTMENTS - Change in Investments (Details) Network

*

*

http://bbu.brookfield.com/role/EquityAccountedInvestmentsChangeInInvestmentsDetails
1428 Implied Table Table

*

*

implied:Table
1429 Interests In Other Entities [Abstract] Abstract bbu:InterestsInOtherEntitiesAbstract
1430 Balance at beginning of year Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1431 Adoption of new accounting standards Concept (Monetary) For Period Debit bbu:IncreaseDecreaseInInvestmentsAccountedForUsingEquityMethodAdoptionOfNewAccountingStandard
1432 Acquisitions through business combinations Concept (Monetary) For Period Debit bbu:AcquisitionsThroughBusinessCombinationsJointVenturesAndAssociates
1433 Additions Concept (Monetary) For Period Debit bbu:AdditionsJointVenturesAndAssociates
1434 Dispositions Concept (Monetary) For Period Credit bbu:DecreaseThroughClassifiedAsHeldForSaleJointVenturesAndAssociates
1435 Share of net income Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1436 Share of other comprehensive income Concept (Monetary) For Period Credit ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1437 Distributions received Concept (Monetary) For Period Credit bbu:DecreaseThroughDistributionsJointVenturesAndAssociates
1438 Foreign currency translation Concept (Monetary) For Period Debit bbu:IncreaseDecreaseThroughNetExchangeDifferencesJointVenturesAndAssociates
1439 Balance at end of period Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1440 2440404 - Disclosure - EQUITY ACCOUNTED INVESTMENTS - Narrative (Details) Network

*

*

http://bbu.brookfield.com/role/EquityAccountedInvestmentsNarrativeDetails
1441 Disclosure Of Associates And Joint Ventures [Table] Table

*

*

bbu:DisclosureOfAssociatesAndJointVenturesTable
1442 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1443 Equity [member] Member ifrs-full:EquityMember
1444 Warrants Member bbu:WarrantsMember
1445 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1446 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1447 Gaming Facilities Member bbu:GamingFacilitiesMember
1448 Teekay Offshore Partners L.P. (Teekay Offshore) Member bbu:TeekayOffshorePartnersL.P.TeekayOffshoreMember
1449 Investment [Axis] Axis invest:InvestmentAxis
1450 Investment [Domain] Member invest:InvestmentDomain
1451 Teekay Offshore Member bbu:TeekayOffshoreMember
1452 Segments [axis] Axis ifrs-full:SegmentsAxis
1453 Segments [member] Member ifrs-full:SegmentsMember
1454 Industrial operations Member bbu:IndustrialOperationsSegmentMember
1455 Disclosure Of Associates And Joint Ventures [Line Items] LineItems bbu:DisclosureOfAssociatesAndJointVenturesLineItems
1456 Number of gaming facilities Concept (Integer) For Period bbu:BusinessCombinationNumberOfGamingFacilities
1457 Minimum period of operating rights Concept (xbrli:durationItemType) For Period bbu:BusinessCombinationMinimumPeriodOfOperatingRights
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1459 Voting interest Concept (Percent) For Period bbu:ProportionOfVotingPowerHeldInAssociateAndJointVenture
1460 Percentage of voting equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1461 Number of instruments or interests issued or issuable Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
1462 Distributions received from equity accounted investments Concept (Monetary) For Period Credit bbu:DecreaseThroughDistributionsJointVenturesAndAssociates
1463 Number of investments accounting for using equity method, publicly listed entities Concept (Integer) For Period bbu:NumberOfInvestmentsAccountingForUsingEquityMethodPubliclyListedEntities
1464 2440405 - Disclosure - EQUITY ACCOUNTED INVESTMENTS - Gross Assets and Liabilities (Details) Network

*

*

http://bbu.brookfield.com/role/EquityAccountedInvestmentsGrossAssetsAndLiabilitiesDetails
1465 Disclosure Of Associates And Joint Ventures [Table] Table

*

*

bbu:DisclosureOfAssociatesAndJointVenturesTable
1466 Associates And Joint Ventures [Axis] Axis bbu:AssociatesAndJointVenturesAxis
1467 Associates And Joint Ventures [Domain] Member bbu:AssociatesAndJointVenturesDomain
1468 Investments accounted for using equity method Member ifrs-full:InvestmentsAccountedForUsingEquityMethodMember
1469 Segments [axis] Axis ifrs-full:SegmentsAxis
1470 Segments [member] Member ifrs-full:SegmentsMember
1471 Business services Member bbu:BusinessServicesSegmentMember
1472 Infrastructure services Member bbu:InfrastructureServicesSegmentMember
1473 Industrial operations Member bbu:IndustrialOperationsSegmentMember
1474 Disclosure Of Associates And Joint Ventures [Line Items] LineItems bbu:DisclosureOfAssociatesAndJointVenturesLineItems
1475 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1476 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1477 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1478 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1479 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1480 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1481 Total net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1482 Equity to others ownership interest Concept (Monetary) As Of Credit bbu:OtherNoncontrollingInterests1
1483 Attributable to Partnership's share Concept (Monetary) As Of Credit bbu:InterestsAttributableToLimitedPartnerAndRedemptionExchangeUnitholders
1484 2440406 - Disclosure - EQUITY ACCOUNTED INVESTMENTS - Gross Revenue, Net Income, Other Comprehensive Income and Distributions (Details) Network

*

*

http://bbu.brookfield.com/role/EquityAccountedInvestmentsGrossRevenueNetIncomeOtherComprehensiveIncomeAndDistributionsDetails
1485 Disclosure Of Associates And Joint Ventures [Table] Table

*

*

bbu:DisclosureOfAssociatesAndJointVenturesTable
1486 Associates And Joint Ventures [Axis] Axis bbu:AssociatesAndJointVenturesAxis
1487 Associates And Joint Ventures [Domain] Member bbu:AssociatesAndJointVenturesDomain
1488 Investments accounted for using equity method Member ifrs-full:InvestmentsAccountedForUsingEquityMethodMember
1489 Segments [axis] Axis ifrs-full:SegmentsAxis
1490 Segments [member] Member ifrs-full:SegmentsMember
1491 Business services Member bbu:BusinessServicesSegmentMember
1492 Infrastructure services Member bbu:InfrastructureServicesSegmentMember
1493 Industrial operations Member bbu:IndustrialOperationsSegmentMember
1494 Disclosure Of Associates And Joint Ventures [Line Items] LineItems bbu:DisclosureOfAssociatesAndJointVenturesLineItems
1495 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1496 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1497 OCI Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1498 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1499 Attributable to other ownership interests, Comprehensive income Concept (Monetary) For Period Credit bbu:ComprehensiveIncomeLossPortionAttributableToOtherNoncontrollingInterests
1500 Attributable to other ownership interests, Distributions Concept (Monetary) For Period Credit bbu:DividendsPaidToOtherUnitholders
1501 Attributable to partnership, Comprehensive income Concept (Monetary) For Period Credit bbu:ComprehensiveIncomeLossAttributableToLimitedPartnersAndRedemptionExchangeUnitholders
1502 Attributable to partnership, Distributions Concept (Monetary) For Period Credit bbu:DividendsPaidToLimitedPartnersAndRedemptionExchangeUnitholders
1503 2440407 - Disclosure - EQUITY ACCOUNTED INVESTMENTS - Fair Value of Equity Accounted Investments (Details) Network

*

*

http://bbu.brookfield.com/role/EquityAccountedInvestmentsFairValueOfEquityAccountedInvestmentsDetails
1504 Disclosure Of Associates And Joint Ventures [Table] Table

*

*

bbu:DisclosureOfAssociatesAndJointVenturesTable
1505 Investment [Axis] Axis invest:InvestmentAxis
1506 Investment [Domain] Member invest:InvestmentDomain
1507 Publicly Listed Member bbu:PubliclyListedMember
1508 Segments [axis] Axis ifrs-full:SegmentsAxis
1509 Segments [member] Member ifrs-full:SegmentsMember
1510 Business services Member bbu:BusinessServicesSegmentMember
1511 Infrastructure services Member bbu:InfrastructureServicesSegmentMember
1512 Disclosure Of Associates And Joint Ventures [Line Items] LineItems bbu:DisclosureOfAssociatesAndJointVenturesLineItems
1513 Public price Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
1514 Carrying value Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1515 2443402 - Disclosure - ACCOUNTS PAYABLE AND OTHER - Accounts Payable and Other (Details) Network

*

*

http://bbu.brookfield.com/role/AccountsPayableAndOtherAccountsPayableAndOtherDetails
1516 Disclosure of defined benefit plans [table] Table

*

*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
1517 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1518 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1519 Defined benefit plans Member ifrs-full:DomesticDefinedBenefitPlansMember
1520 Post-retirement benefit plans Member bbu:PostRetirementInsuranceBenefitPlansMember
1521 Range [axis] Axis ifrs-full:RangeAxis
1522 Ranges [member] Member ifrs-full:RangesMember
1523 Bottom of range Member ifrs-full:BottomOfRangeMember
1524 Top of range Member ifrs-full:TopOfRangeMember
1525 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1526 Net defined benefit liability Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan
1527 Current net defined benefit liability Concept (Monetary) As Of Credit ifrs-full:CurrentRecognisedLiabilitiesDefinedBenefitPlan
1528 Non-current net defined benefit liability Concept (Monetary) As Of Credit ifrs-full:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan
1529 Increase (decrease) in accounts payable and other Concept (Monetary) For Period Debit bbu:IncreaseDecreaseinAccountsPayableTrade1
1530 Liability risk rate Concept (Percent) For Period bbu:OtherProvisionsLiabilityRiskRate
1531 Liability inflation rate Concept (Percent) For Period bbu:OtherProvisionsLiabilityInflationRate
1532 2443402 - Disclosure - ACCOUNTS PAYABLE AND OTHER - Accounts Payable and Other (Details) Network

*

*

http://bbu.brookfield.com/role/AccountsPayableAndOtherAccountsPayableAndOtherDetails
1533 Implied Table Table

*

*

implied:Table
1534 Subclassifications of assets, liabilities and equities [abstract] Abstract ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
1535 Current: Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
1536 Accounts payable Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1537 Accrued and other liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
1538 Work in progress Concept (Monetary) As Of Credit bbu:GrossAmountDueToCustomersForContractWorkAsLiabilityCurrent
1539 Provisions and decommissioning liabilities Concept (Monetary) As Of Credit ifrs-full:ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts
1540 Total current Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1541 Non-current: Abstract ifrs-full:NoncurrentPayablesAbstract
1542 Accounts payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToTradeSuppliers
1543 Accrued and other liabilities Concept (Monetary) As Of Credit bbu:NoncurrentAccruedExpensesAndOtherNoncurrentLiabilities
1544 Work in progress Concept (Monetary) As Of Credit bbu:GrossAmountDueToCustomersForContractWorkAsLiabilityNoncurrent
1545 Provisions and decommissioning liabilities (4) Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1546 Total non-current Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
1547 Bank overdrafts Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1548 2443403 - Disclosure - ACCOUNTS PAYABLE AND OTHER - Other Provisions (Details) Network

*

*

http://bbu.brookfield.com/role/AccountsPayableAndOtherOtherProvisionsDetails
1549 Disclosure of other provisions [table] Table

*

*

ifrs-full:DisclosureOfOtherProvisionsTable
1550 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1551 Other provisions Member ifrs-full:OtherProvisionsMember
1552 Decommissioning Liability Member ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1553 Provisions for defects Member bbu:ProvisionForDefectsMember
1554 Other Member ifrs-full:MiscellaneousOtherProvisionsMember
1555 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1556 Reconciliation of changes in other provisions [abstract] Abstract ifrs-full:ReconciliationOfChangesInOtherProvisionsAbstract
1557 Other provision - balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1558 Additions through business combinations Concept (Monetary) For Period Credit ifrs-full:AcquisitionsThroughBusinessCombinationsOtherProvisions
1559 Additional provisions recognized Concept (Monetary) For Period Credit ifrs-full:AdditionalProvisionsOtherProvisions
1560 Reduction arising from payments/derecognition Concept (Monetary) For Period Debit bbu:DecreaseThroughPaymentsAndDerecognitionOtherProvisions
1561 Accretion expenses Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
1562 Change in discount rate Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions
1563 Change in other estimates Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
1564 Net foreign currency exchange differences Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1565 Other provision - balance at end of year Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1566 2446402 - Disclosure - CONTRACTS IN PROGRESS (Details) Network

*

*

http://bbu.brookfield.com/role/ContractsInProgressDetails
1567 Implied Table Table

*

*

implied:Table
1568 Construction Contracts [Abstract] Abstract bbu:ConstructionContractsAbstract
1569 Contract costs incurred to date Concept (Monetary) As Of Debit ifrs-full:ConstructionInProgress
1570 Profit recognized to date (less recognized losses) Concept (Monetary) As Of Credit bbu:RecognizedProfitsLessRecognizedLossesForContractsInProgress
1571 Contract costs incurred and profit recognized (less recognized losses) Concept (Monetary) As Of ifrs-full:CostsIncurredAndRecognisedProfitsLessRecognisedLosses
1572 Less: progress billings Concept (Monetary) As Of ifrs-full:ProgressBillings
1573 Contract work in progress (liability) Concept (Monetary) As Of Debit bbu:ConstructionProgressExcludingProgressBillings
1574 Comprising: Abstract bbu:ConstructionInProgressAbstract
1575 Amounts due from customers — work in progress Concept (Monetary) As Of Debit ifrs-full:GrossAmountDueFromCustomersForContractWorkAsAsset
1576 Amounts due to customers — creditors Concept (Monetary) As Of Credit ifrs-full:GrossAmountDueToCustomersForContractWorkAsLiability
1577 Contract work in progress (liability) Concept (Monetary) As Of Debit bbu:ConstructionProgressExcludingProgressBillings
1578 Change in Amounts due from customers asset, billed amounts Concept (Monetary) For Period Credit bbu:ChangeInGrossAmountDueFromCustomersForContractWorkAsAssetBilledAmounts
1579 Change in Amounts due from customers asset, additions to work in progress Concept (Monetary) For Period Debit bbu:ChangeInGrossAmountDueFromCustomersForContractWorkAsAssetAdditionsToWorkInProgress
1580 Change in amounts due from customers asset, acquisitions Concept (Monetary) For Period Debit bbu:ChangeInGrossAmountDueFromCustomersForContractWorkAsAssetAcquisitions
1581 Change in amounts due from customers liability, billed amounts Concept (Monetary) For Period Debit bbu:ChangeInGrossAmountDueToCustomersForContractWorkAsLiabilityBilledAmounts
1582 Change in amounts due from customers liability additions to work in progress Concept (Monetary) For Period Credit bbu:ChangeInGrossAmountDueToCustomersForContractWorkAsLiabilityAdditionsToWorkInProgress
1583 Change in amounts due from customers liability, acquisitions Concept (Monetary) For Period Credit bbu:ChangeInGrossAmountDueToCustomersForContractWorkAsLiabilityAcquisitions
1584 2449402 - Disclosure - BORROWINGS - Borrowings Maturity (Details) Network

*

*

http://bbu.brookfield.com/role/BorrowingsBorrowingsMaturityDetails
1585 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1586 Maturity [axis] Axis ifrs-full:MaturityAxis
1587 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1588 2019 Member ifrs-full:NotLaterThanOneYearMember
1589 2020 Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1590 2021 Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1591 2022 Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1592 2023 Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1593 Thereafter Member ifrs-full:LaterThanFiveYearsMember
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1595 Segments [member] Member ifrs-full:SegmentsMember
1596 Business services Member bbu:BusinessServicesSegmentMember
1597 Infrastructure services Member bbu:InfrastructureServicesSegmentMember
1598 Industrial operations Member bbu:IndustrialOperationsSegmentMember
1599 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1600 Non-recourse subsidiary borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1601 2449403 - Disclosure - BORROWINGS - Narrative (Details) Network

*

*

http://bbu.brookfield.com/role/BorrowingsNarrativeDetails
1602 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1603 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1604 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1605 Brookfield Credit Agreements Member bbu:BrookfieldCreditAgreementsMember
1606 Revolving Credit Facility Member bbu:RevolvingCreditFacility1Member
1607 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1608 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
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1611 Variable Rate [Domain] Member bbu:VariableRate1Domain
1612 LIBOR or Bankers' Acceptance Rate Member bbu:LondonInterbankOfferedRateLIBOROrBankersAcceptanceRateMember
1613 Base Rate or Prime Rate Member bbu:BaseRateOrPrimeRateMember
1614 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1615 Credit facility, maximum borrowing capacity Concept (Monetary) As Of Credit bbu:LineOfCreditFacilityMaximumBorrowingCapacity1
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1619 2449404 - Disclosure - BORROWINGS - Weighted Average Information (Details) Network

*

*

http://bbu.brookfield.com/role/BorrowingsWeightedAverageInformationDetails
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*

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*

*

http://bbu.brookfield.com/role/BorrowingsBorrowingsByCurrencyDetails
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*

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1649 2452402 - Disclosure - INCOME TAXES - Components of Income Tax Expense (Details) Network

*

*

http://bbu.brookfield.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseDetails
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*

*

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*

http://bbu.brookfield.com/role/IncomeTaxesDifferencesInTaxRatesDetails
1660 Implied Table Table

*

*

implied:Table
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*

http://bbu.brookfield.com/role/IncomeTaxesChangeInDeferredTaxBalancesDetails
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1688 2452405 - Disclosure - INCOME TAXES - Deferred Income Tax Movement (Details) Network

*

*

http://bbu.brookfield.com/role/IncomeTaxesDeferredIncomeTaxMovementDetails
1689 Implied Table Table

*

*

implied:Table
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1697 2452406 - Disclosure - INCOME TAXES - Expiry Date of Unrecognized Deferred Tax Assets (Details) Network

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*

http://bbu.brookfield.com/role/IncomeTaxesExpiryDateOfUnrecognizedDeferredTaxAssetsDetails
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*

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1708 2452407 - Disclosure - INCOME TAXES - Components of Income Taxes in Other Comprehensive Income (Details) Network

*

*

http://bbu.brookfield.com/role/IncomeTaxesComponentsOfIncomeTaxesInOtherComprehensiveIncomeDetails
1709 Implied Table Table

*

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1718 2455402 - Disclosure - EQUITY - Additional Information (Details) Network

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*

http://bbu.brookfield.com/role/EquityAdditionalInformationDetails
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*

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*

*

http://bbu.brookfield.com/role/EquityScheduleOfUnitsDetails
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1782 2458402 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) Network

*

*

http://bbu.brookfield.com/role/AccumulatedOtherComprehensiveIncomeDetails
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*

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1803 2461402 - Disclosure - DIRECT OPERATING COSTS - Schedule of Lists of Direct Costs (Details) Network

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*

http://bbu.brookfield.com/role/DirectOperatingCostsScheduleOfListsOfDirectCostsDetails
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1810 2461403 - Disclosure - DIRECT OPERATING COSTS - Additional Information (Details) Network

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http://bbu.brookfield.com/role/DirectOperatingCostsAdditionalInformationDetails
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*

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1814 2464401 - Disclosure - GUARANTEES AND CONTINGENCIES (Details) Network

*

*

http://bbu.brookfield.com/role/GuaranteesAndContingenciesDetails
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*

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1821 2467402 - Disclosure - CONTRACTUAL COMMITMENTS - Narrative (Details) Network

*

*

http://bbu.brookfield.com/role/ContractualCommitmentsNarrativeDetails
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*

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1831 2467403 - Disclosure - CONTRACTUAL COMMITMENTS - Obligations Under Finance and Operating Leases (Details) Network

*

*

http://bbu.brookfield.com/role/ContractualCommitmentsObligationsUnderFinanceAndOperatingLeasesDetails
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*

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http://bbu.brookfield.com/role/RelatedPartyTransactionsNarrativeDetails
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*

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1862 2470403 - Disclosure - RELATED PARTY TRANSACTIONS - Other Related Party Transactions (Details) Network

*

*

http://bbu.brookfield.com/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails
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*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
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*

*

http://bbu.brookfield.com/role/DerivativeFinancialInstrumentsNotionalAmountOfDerivativePositionsDetails
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*

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*

*

http://bbu.brookfield.com/role/DerivativeFinancialInstrumentsForeignExchangeContractsDetails
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*

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1892 Foreign exchange contracts Member bbu:ForeignExchangeContract1Member
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1896 Brazilian real Member currency:BRL
1897 British pounds Member currency:GBP
1898 Canadian dollars Member currency:CAD
1899 Chinese Yuan Member currency:CNY
1900 Euros Member currency:EUR
1901 Indian Rupees Member currency:INR
1902 Japanese Yen Member currency:JPY
1903 Mexican Pesos Member currency:MXN
1904 Norwegian Krone Member currency:NOK
1905 South Africa Rand Member currency:ZAR
1906 Swedish Krona Member currency:SEK
1907 Swiss Franc Member currency:CHF
1908 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] LineItems ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsLineItems
1909 Notional amount (U.S. Dollars) Concept (Monetary) As Of invest:DerivativeNotionalAmount
1910 Average exchange rate Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
1911 2473404 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) Network

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*

http://bbu.brookfield.com/role/DerivativeFinancialInstrumentsNarrativeDetails
1912 Disclosure of detailed information about hedging instruments [table] Table

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*

ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsTable
1913 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1914 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1915 Interest rate swaps and cross currency swaps Member ifrs-full:InterestRateSwapContractMember
1916 Warrants Member bbu:WarrantsMember
1917 Commodity Swap Contract, Fuel Member bbu:CommoditySwapContractFuelMember
1918 Commodity Swap Contract, Natural Gas Member bbu:CommoditySwapContractNaturalGasMember
1919 Commodity Swap Contract, Palladium Member bbu:CommoditySwapContractPalladiumMember
1920 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1921 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1922 Option contracts Member ifrs-full:OptionContractMember
1923 Call option contracts Member ifrs-full:PurchasedCallOptionsMember
1924 Put option contracts Member ifrs-full:WrittenPutOptionsMember
1925 Disclosure of detailed information about hedging instruments [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems
1926 Notional amount (U.S. Dollars) Concept (Monetary) As Of invest:DerivativeNotionalAmount
1927 Financial assets, at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1928 Commodity instruments (in Cbm, Mcf, Oz) Concept (Decimal) As Of invest:DerivativeNonmonetaryNotionalAmount
1929 Fair value of derivative contracts Concept (Monetary) As Of ifrs-full:FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue
1930 2473405 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - Derivative Instruments by Term to Maturity (Details) Network

*

*

http://bbu.brookfield.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsByTermToMaturityDetails
1931 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsTable
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1933 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
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1935 Foreign exchange contracts Member bbu:ForeignExchangeContract1Member
1936 Interest rate and cross currency swaps Member bbu:InterestRateAndCrossCurrencySwapsMember
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1941 Interest rate and cross currency swaps Member bbu:InterestRateAndCrossCurrencySwapsMember
1942 Option contracts Member ifrs-full:OptionContractMember
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1949 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1950 Fair value through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1951 Elected for hedge accounting Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1952 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] LineItems ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsLineItems
1953 Notional amount of derivative positions Concept (Monetary) As Of invest:DerivativeNotionalAmount
1954 2476402 - Disclosure - FINANCIAL RISK MANAGEMENT - Capital Risk Management (Details) Network

*

*

http://bbu.brookfield.com/role/FinancialRiskManagementCapitalRiskManagementDetails
1955 Implied Table Table

*

*

implied:Table
1956 Financial Instruments [Abstract] Abstract bbu:FinancialInstrumentsAbstract
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1961 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
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1963 Net debt to capitalization ratio Concept (Percent) For Period bbu:NetDebtToCapitalisationRatio
1964 2476403 - Disclosure - FINANCIAL RISK MANAGEMENT - Maturity Analysis of Financial Liabilities (Details) Network

*

*

http://bbu.brookfield.com/role/FinancialRiskManagementMaturityAnalysisOfFinancialLiabilitiesDetails
1965 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
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1970 2-5 years Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
1971 Over 5 years Member ifrs-full:LaterThanFiveYearsMember
1972 Disclosure of maturity analysis for non-derivative financial liabilities [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
1973 Accounts payable and other liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows
1974 Interest-bearing liabilities Concept (Monetary) As Of Credit ifrs-full:BankBorrowingsUndiscountedCashFlows
1975 Finance lease liabilities Concept (Monetary) As Of Credit ifrs-full:GrossFinanceLeaseObligations
1976 Decommissioning liabilities, other provisions and post-employment benefits Concept (Monetary) As Of Credit bbu:DecommissioningLiabilitiesOtherProvisionsAndPostEmploymentBenefits
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1978 Loans and notes payable Concept (Monetary) As Of Credit bbu:LoansAndNotesIssued
1979 2476404 - Disclosure - FINANCIAL RISK MANAGEMENT - Narrative (Details) Network

*

*

http://bbu.brookfield.com/role/FinancialRiskManagementNarrativeDetails
1980 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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1984 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
1985 Marketable securities Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1986 Impact of 10% change in value of investments on Equity Concept (Monetary) For Period Credit bbu:SensitivityAnalysisImpactOf10PercentChangeInValueOfInvestmentsOnEquity
1987 Impact of 10% change in value of investments on Comprehensive Income Concept (Monetary) For Period Credit bbu:SensitivityAnalysisImpactOf10PercentChangeInValueOfInvestmentsOnComprehensiveIncome
1988 2476405 - Disclosure - FINANCIAL RISK MANAGEMENT - Currency Exposure (Details) Network

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*

http://bbu.brookfield.com/role/FinancialRiskManagementCurrencyExposureDetails
1989 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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1991 All Currencies [Domain] Member currency:AllCurrenciesDomain
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1993 AUD Member currency:AUD
1994 GBP Member currency:GBP
1995 CAD Member currency:CAD
1996 EUR Member currency:EUR
1997 BRL Member currency:BRL
1998 Other Member bbu:OtherCurrenciesMember
1999 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2000 Assets Abstract ifrs-full:AssetsAbstract
2001 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
2002 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
2003 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
2004 Liabilities Abstract ifrs-full:LiabilitiesAbstract
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2006 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
2007 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2008 Non-controlling interest Concept (Monetary) As Of Credit bbu:OtherNoncontrollingInterests1
2009 Net investment to the partnership Concept (Monetary) As Of Debit bbu:PartnersCapital1
2010 2476406 - Disclosure - FINANCIAL RISK MANAGEMENT - Sensitivity Analysis for Foreign Currency Risk (Details) Network

*

*

http://bbu.brookfield.com/role/FinancialRiskManagementSensitivityAnalysisForForeignCurrencyRiskDetails
2011 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2012 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
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2014 Foreign currency risk Member ifrs-full:CurrencyRiskMember
2015 Currency 1 [Axis] Axis bbu:Currency1Axis
2016 All Currencies [Domain] Member currency:AllCurrenciesDomain
2017 AUD Member currency:AUD
2018 CAD Member currency:CAD
2019 Brazilian real Member currency:BRL
2020 Other Member bbu:OtherCurrenciesMember
2021 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2022 OCI attributable to unitholders Concept (Monetary) For Period Credit bbu:SensitivityAnalysisImpactOf10PercentIncreaseDecreaseInRatesOnOtherComprehensiveIncomeAttributableToPartnership
2023 Net income attributable to unitholders Concept (Monetary) For Period Credit bbu:SensitivityAnalysisImpactOf10PercentIncreaseDecreaseInRatesOnProfitLossAttributableToPartnership
2024 2479402 - Disclosure - SEGMENT INFORMATION - Income Statement Captions by Segment (Details) Network

*

*

http://bbu.brookfield.com/role/SegmentInformationIncomeStatementCaptionsBySegmentDetails
2025 Disclosure of operating segments [table] Table

*

*

ifrs-full:DisclosureOfOperatingSegmentsTable
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2036 Facilities Management Member bbu:FacilitiesManagementMember
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2044 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
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2046 Company EBITDA attributable to others Concept (Monetary) For Period Credit bbu:EarningsBeforeInterestTaxesDepreciationAndAmortizationAttributableToNoncontrollingInterests
2047 Company EBITDA Concept (Monetary) For Period Credit bbu:EarningsBeforeInterestTaxesDepreciationAndAmortization
2048 Realized disposition gain/(loss), less portion recorded in prior periods, net Concept (Monetary) For Period Credit bbu:GainsLossesOnDisposalsOfNoncurrentAssetsExcludingAmountsPreviouslyRecognizedInFundsFromOperations
2049 Other income (expense), net Concept (Monetary) For Period Credit bbu:OtherOperatingIncomeExpensePreviouslyRecognizedInFundsFromOperations
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2054 Company FFO Concept (Monetary) For Period Credit bbu:FundsFromOperationsAttributableToParent
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2065 2479403 - Disclosure - SEGMENT INFORMATION - Assets by Segment (Details) Network

*

*

http://bbu.brookfield.com/role/SegmentInformationAssetsBySegmentDetails
2066 Disclosure of operating segments [table] Table

*

*

ifrs-full:DisclosureOfOperatingSegmentsTable
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2075 2479404 - Disclosure - SEGMENT INFORMATION - Revenue from External Customers (Details) Network

*

*

http://bbu.brookfield.com/role/SegmentInformationRevenueFromExternalCustomersDetails
2076 Disclosure of geographical areas [table] Table

*

*

ifrs-full:DisclosureOfGeographicalAreasTable
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2101 Ranges [member] Member ifrs-full:RangesMember
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2106 2479405 - Disclosure - SEGMENT INFORMATION - Timing of Revenue Recognition (Details) Network

*

*

http://bbu.brookfield.com/role/SegmentInformationTimingOfRevenueRecognitionDetails
2107 Disclosure of disaggregation of revenue from contracts with customers [table] Table

*

*

ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
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2119 Total IFRS 15 revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
2120 Other non IFRS 15 revenue Concept (Monetary) For Period Credit bbu:RevenueExcludingRevenueFromContractsWithCustomers
2121 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
2122 2479406 - Disclosure - SEGMENT INFORMATION - Revenue by Geography (Details) Network

*

*

http://bbu.brookfield.com/role/SegmentInformationRevenueByGeographyDetails
2123 Disclosure of disaggregation of revenue from contracts with customers [table] Table

*

*

ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
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2142 Other non IFRS 15 revenue Concept (Monetary) For Period Credit bbu:RevenueExcludingRevenueFromContractsWithCustomers
2143 2479407 - Disclosure - SEGMENT INFORMATION - Noncurrent Assets by Geographic Region (Details) Network

*

*

http://bbu.brookfield.com/role/SegmentInformationNoncurrentAssetsByGeographicRegionDetails
2144 Disclosure of geographical areas [table] Table

*

*

ifrs-full:DisclosureOfGeographicalAreasTable
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2157 2482402 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - Interest and Income Taxes Paid (Details) Network

*

*

http://bbu.brookfield.com/role/SupplementalCashFlowInformationInterestAndIncomeTaxesPaidDetails
2158 Implied Table Table

*

*

implied:Table
2159 Cash Flow Statement [Abstract] Abstract bbu:CashFlowStatementAbstract
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2161 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefund
2162 2482403 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - Non-cash Working Capital (Details) Network

*

*

http://bbu.brookfield.com/role/SupplementalCashFlowInformationNonCashWorkingCapitalDetails
2163 Implied Table Table

*

*

implied:Table
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2165 Accounts receivable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
2166 Inventory Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
2167 Prepayments and other Concept (Monetary) For Period Debit bbu:AdjustmentsForIncreaseDecreasePrepaymentsAndOther
2168 Accounts payable and other Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
2169 Changes in non-cash working capital, net Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
2170 2482404 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - Changes in Liabilities arising from Financing Activities (Details) Network

*

*

http://bbu.brookfield.com/role/SupplementalCashFlowInformationChangesInLiabilitiesArisingFromFinancingActivitiesDetails
2171 Implied Table Table

*

*

implied:Table
2172 Cash Flow Statement [Abstract] Abstract bbu:CashFlowStatementAbstract
2173 Disclosure of reconciliation of liabilities arising from financing activities [abstract] Abstract ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract
2174 Balance at January 1, Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
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2177 Acquisitions / (Disposition) of subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughObtainingOrLosingControlOfSubsidiariesOrOtherBusinessesLiabilitiesArisingFromFinancingActivities
2178 Foreign currency translation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
2179 Fair value Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
2180 Other changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
2181 Balance at December 31, Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
2182 2485402 - Disclosure - POST-EMPLOYMENT BENEFITS - Change in Defined Benefit Obligation and Fair Value of Plan Assets (Details) Network

*

*

http://bbu.brookfield.com/role/PostEmploymentBenefitsChangeInDefinedBenefitObligationAndFairValueOfPlanAssetsDetails
2183 Disclosure of net defined benefit liability (asset) [table] Table

*

*

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2197 Service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
2198 Interest cost (income) Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
2199 Foreign currency exchange changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
2200 Actuarial gain due to financial assumption changes Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
2201 Actuarial gain due to demographic assumption changes Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
2202 Actuarial experience adjustments Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
2203 Return on plan assets (excluding interest income) Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
2204 Employer contributions Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
2205 Participant contributions Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset
2206 Insurance premiums for risk benefits Concept (Monetary) For Period Credit bbu:InsurancePremiumsForRiskBenefits
2207 Employer direct settlements Concept (Monetary) For Period Debit ifrs-full:GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset
2208 Benefits paid from plan assets Concept (Monetary) For Period Debit bbu:PaymentsByPlanInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
2209 Benefits paid from employer Concept (Monetary) For Period Debit bbu:PaymentsByEmployerInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
2210 Administrative expenses paid from plan assets Concept (Monetary) For Period Credit bbu:AdministrativeExpensesNetDefinedBenefitLiabilityAsset
2211 Net defined benefit liability (asset) - ending balance Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
2212 2485403 - Disclosure - POST-EMPLOYMENT BENEFITS - Benefit Obligation and Plan Assets by Geographic Location (Details) Network

*

*

http://bbu.brookfield.com/role/PostEmploymentBenefitsBenefitObligationAndPlanAssetsByGeographicLocationDetails
2213 Disclosure of net defined benefit liability (asset) [table] Table

*

*

ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
2214 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
2215 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
2216 Defined benefit pension plan Member ifrs-full:DomesticDefinedBenefitPlansMember
2217 Post-retirement plan Member bbu:PostRetirementInsuranceBenefitPlansMember
2218 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
2219 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
2220 Defined benefit obligation Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
2221 Fair value of plan assets Member ifrs-full:PlanAssetsMember
2222 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
2223 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
2224 United States Member country:US
2225 Canada Member country:CA
2226 Other Member bbu:OtherGeographicAreasMember
2227 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
2228 Net defined benefit liability (asset) Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
2229 2485404 - Disclosure - POST-EMPLOYMENT BENEFITS - Amounts Recognized in Profit and Loss or Other Comprehensive Income (Details) Network

*

*

http://bbu.brookfield.com/role/PostEmploymentBenefitsAmountsRecognizedInProfitAndLossOrOtherComprehensiveIncomeDetails
2230 Disclosure of defined benefit plans [table] Table

*

*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
2231 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
2232 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
2233 Defined benefit pension plan Member ifrs-full:DomesticDefinedBenefitPlansMember
2234 Post-retirement plan Member bbu:PostRetirementInsuranceBenefitPlansMember
2235 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
2236 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
2237 Net interest expense Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
2238 Administrative expense Concept (Monetary) For Period Credit bbu:AdministrativeExpensesNetDefinedBenefitLiabilityAsset
2239 Total expense recognized in profit and loss Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
2240 Amounts recognized in other comprehensive income Abstract ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract
2241 Return on plan assets (excluding amounts included in net interest expense) Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
2242 Actuarial gains and losses arising from changes in demographic assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
2243 Actuarial gains and losses arising from changes in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
2244 Actuarial gains and losses arising from experience adjustments Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
2245 Total expense (gain) recognized in other comprehensive income Concept (Monetary) For Period Debit ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset
2246 Total expense (gain) recognized in comprehensive income Concept (Monetary) For Period Debit bbu:EmployeeBenefitsExpenseRecognisedinComprehensiveIncome
2247 2485405 - Disclosure - POST-EMPLOYMENT BENEFITS - Fair Value of Plan Assets (Details) Network

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*

http://bbu.brookfield.com/role/PostEmploymentBenefitsFairValueOfPlanAssetsDetails
2248 Disclosure of fair value of plan assets [table] Table

*

*

ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
2249 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
2250 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
2251 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
2252 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
2253 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
2254 Disclosure of fair value of plan assets [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
2255 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets
2256 Equity instruments Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
2257 Debt instruments Concept (Monetary) As Of Debit ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets
2258 Real Estate Concept (Monetary) As Of Debit ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
2259 Fixed insurance contracts Concept (Monetary) As Of Debit bbu:FixedInsuranceContractsAmountContributedToFairValueOfPlanAssets
2260 Total plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
2261 2485406 - Disclosure - POST-EMPLOYMENT BENEFITS - Significant Assumptions (Details) Network

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*

http://bbu.brookfield.com/role/PostEmploymentBenefitsSignificantAssumptionsDetails
2262 Disclosure of defined benefit plans [table] Table

*

*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
2263 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
2264 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
2265 Defined benefit pension plan Member ifrs-full:DomesticDefinedBenefitPlansMember
2266 Post-retirement plan Member bbu:PostRetirementInsuranceBenefitPlansMember
2267 Range [axis] Axis ifrs-full:RangeAxis
2268 Ranges [member] Member ifrs-full:RangesMember
2269 Bottom of range Member ifrs-full:BottomOfRangeMember
2270 Top of range Member ifrs-full:TopOfRangeMember
2271 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
2272 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
2273 Rate of compensation increase Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
2274 Immediate trend rate Concept (Percent) As Of bbu:ActuarialAssumptionOfMedicalCostTrendRatesImmediateTrendRate
2275 Ultimate trend rate Concept (Percent) As Of bbu:ActuarialAssumptionOfMedicalCostTrendRatesUltimateTrendRate
2276 2485407 - Disclosure - POST-EMPLOYMENT BENEFITS - Sensitivity Analysis of Assumptions (Details) Network

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*

http://bbu.brookfield.com/role/PostEmploymentBenefitsSensitivityAnalysisOfAssumptionsDetails
2277 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
2278 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
2279 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
2280 Defined benefit pension plan Member ifrs-full:DomesticDefinedBenefitPlansMember
2281 Post-retirement plan Member bbu:PostRetirementInsuranceBenefitPlansMember
2282 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
2283 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
2284 Discount rate Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
2285 Rate of compensation increase Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember
2286 Health care cost trend rates Member ifrs-full:ActuarialAssumptionOfMedicalCostTrendRatesMember
2287 Range [axis] Axis ifrs-full:RangeAxis
2288 Ranges [member] Member ifrs-full:RangesMember
2289 Bottom of range Member ifrs-full:BottomOfRangeMember
2290 Top of range Member ifrs-full:TopOfRangeMember
2291 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
2292 Percentage increase Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
2293 Increase in actuarial assumption, Impact on Liability Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
2294 Percentage decrease Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
2295 Decrease in actuarial assumption, Impact on Liability Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption
2296 2485408 - Disclosure - POST-EMPLOYMENT BENEFITS - Summary of Future Planned Benefit Payments (Details) Network

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*

http://bbu.brookfield.com/role/PostEmploymentBenefitsSummaryOfFuturePlannedBenefitPaymentsDetails
2297 Disclosure of defined benefit plans [table] Table

*

*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
2298 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
2299 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
2300 Defined benefit pension plan Member ifrs-full:DomesticDefinedBenefitPlansMember
2301 Post-retirement plan Member bbu:PostRetirementInsuranceBenefitPlansMember
2302 Maturity [axis] Axis ifrs-full:MaturityAxis
2303 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2304 2019 Member ifrs-full:NotLaterThanOneYearMember
2305 2020 Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
2306 2021 Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
2307 2022 Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
2308 2023 Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
2309 Thereafter Member ifrs-full:LaterThanFiveYearsMember
2310 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
2311 Future planned benefit payments Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
2312 2488401 - Disclosure - SUBSEQUENT EVENTS - Normal Course Issuer Bid (Details) Network

*

*

http://bbu.brookfield.com/role/SubsequentEventsNormalCourseIssuerBidDetails
2313 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
2314 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2315 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2316 Normal Course Issuer Bid Member ifrs-full:MajorOrdinaryShareTransactionsMember
2317 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
2318 Number of shares authorised to be repurchased (in shares) Concept (Shares) As Of bbu:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased1
2319 Percent of public float Concept (Percent) As Of bbu:StockRepurchaseProgramSharesAuthorizedToBeRepurchasedPercentageOfPublicFloat
2320 Shares repurchased (in shares) Concept (Shares) For Period bbu:StockRepurchasedDuringPeriodShares1
2321 2488402 - Disclosure - SUBSEQUENT EVENTS - Distribution (Details) Network

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*

http://bbu.brookfield.com/role/SubsequentEventsDistributionDetails
2322 Disclosure of non-adjusting events after reporting period [table] Table

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*

ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2323 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2324 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2325 Distribution Member ifrs-full:MajorOrdinaryShareTransactionsMember
2326 Disclosure of non-adjusting events after reporting period [line items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2327 Distributions declared (in dollars per share) Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
2328 2488403 - Disclosure - SUBSEQUENT EVENTS - Agreement to Acquire Healthscope (Details) Network

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*

http://bbu.brookfield.com/role/SubsequentEventsAgreementToAcquireHealthscopeDetails
2329 Disclosure of non-adjusting events after reporting period [table] Table

*

*

ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2330 Scenario 1 [Axis] Axis bbu:Scenario1Axis
2331 Scenario 1 [Domain] Member bbu:Scenario1Domain
2332 Forecast Member bbu:ScenarioForecast1Member
2333 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
2334 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
2335 Healthscope Member bbu:HealthscopeMember
2336 Legal Entity [Axis] Axis dei:LegalEntityAxis
2337 Entity [Domain] Member dei:EntityDomain
2338 Brookfield Business Partners L.P. and Institutional Investors Member bbu:BrookfieldBusinessPartnersL.P.AndInstitutionalInvestorsMember
2339 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2340 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2341 Major business combination Member ifrs-full:MajorBusinessCombinationMember
2342 Disclosure of non-adjusting events after reporting period [line items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2343 Consideration transferred, acquisition-date fair value Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
2344 Cash Concept (Monetary) As Of Credit ifrs-full:CashTransferred
2345 Percentage of voting equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
2346 Non-recourse subsidiary borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
2347 Gains (losses) arising from sale and leaseback transactions Concept (Monetary) For Period Credit ifrs-full:GainsLossesArisingFromSaleAndLeasebackTransactions
2348 Number of properties in sale leaseback transaction Concept (Integer) For Period bbu:SaleLeasebackTransactionNumberOfProperties
2349 Equity interests of acquirer Concept (Monetary) As Of Credit ifrs-full:EquityInterestsOfAcquirer
2350 Percent of equity funded by the partnership Concept (Percent) For Period bbu:CashTransferredPercent
2351 2488404 - Disclosure - SUBSEQUENT EVENTS - Agreement to Acquire Johnson Controls' Power Solutions (Details) Network

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*

http://bbu.brookfield.com/role/SubsequentEventsAgreementToAcquireJohnsonControlsPowerSolutionsDetails
2352 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
2353 Scenario 1 [Axis] Axis bbu:Scenario1Axis
2354 Scenario 1 [Domain] Member bbu:Scenario1Domain
2355 Forecast Member bbu:ScenarioForecast1Member
2356 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2357 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2358 Major business combination Member ifrs-full:MajorBusinessCombinationMember
2359 Legal Entity [Axis] Axis dei:LegalEntityAxis
2360 Entity [Domain] Member dei:EntityDomain
2361 Brookfield Business Partners L.P. and Institutional Investors Member bbu:BrookfieldBusinessPartnersL.P.AndInstitutionalInvestorsMember
2362 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
2363 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
2364 Johnson Controls Power Solutions Member bbu:JohnsonControlsPowerSolutionsMember
2365 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
2366 Percentage of voting equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
2367 Consideration transferred, acquisition-date fair value Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
2368 Equity interests of acquirer Concept (Monetary) As Of Credit ifrs-full:EquityInterestsOfAcquirer
2369 2488405 - Disclosure - SUBSEQUENT EVENTS - Agreement to Sell BGIS (Details) Network

*

*

http://bbu.brookfield.com/role/SubsequentEventsAgreementToSellBgisDetails
2370 Disclosure of non-adjusting events after reporting period [table] Table

*

*

ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2371 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2372 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2373 Disposal of major subsidiary Member ifrs-full:DisposalOfMajorSubsidiaryMember
2374 Legal Entity [Axis] Axis dei:LegalEntityAxis
2375 Entity [Domain] Member dei:EntityDomain
2376 Brookfield Business Partners L.P. and Institutional Investors Member bbu:BrookfieldBusinessPartnersL.P.AndInstitutionalInvestorsMember
2377 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
2378 Assets and liabilities not classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember
2379 Disposal groups classified as held for sale Member ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember
2380 Disclosure of non-adjusting events after reporting period [line items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2381 Proceeds from sale of subsidiary Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations

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*