BrasilAgro - Brazilian Agricultural Real Estate Co (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line	Label	Object Class	Period Type	Balance	Report ElementName
1	00000001 - Document - Document and Entity Information	Network	*	*	http://brasil-agro.com/role/DocumentAndEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document And Entity Information	Abstract			lnd: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	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
7	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
8	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
9	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
10	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
11	Entity a Well-known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
12	Entity a Voluntary Filer	Concept (Yes/No)	For Period		dei:EntityVoluntaryFilers
13	Entity's Reporting Status Current	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
14	Entity Emerging Growth Company	Concept (Yes/No)	For Period		dei:EntityEmergingGrowthCompany
15	Entity Ex Transition Period	Concept (Yes/No)	For Period		dei:EntityExTransitionPeriod
16	Entity Shell Company	Concept (Yes/No)	For Period		dei:EntityShellCompany
17	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
18	Entity Public Float	Concept (Monetary)	As Of	Credit	dei:EntityPublicFloat
19	Entity Common Stock, Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
20	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
21	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
22	00000002 - Statement - Consolidated statement of financial position	Network	*	*	http://brasil-agro.com/role/StatementOfFinancialPosition
23	Implied Table	Table	*	*	implied:Table
24	Statement of financial position [abstract]	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
25	Asset	Abstract			ifrs-full:AssetsAbstract
26	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
27	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
28	Marketable securities	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInvestments
29	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentDerivativeFinancialAssets
30	Accounts receivable and others	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
31	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
32	Biological assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentBiologicalAssets
33	Transactions with related parties	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
34	Total current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
35	Noncurrent assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
36	Biological assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentBiologicalAssets
37	Restricted marketable securities	Concept (Monetary)	As Of	Debit	lnd:NoncurrentRestrictedMarketableSecurities
38	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentDerivativeFinancialAssets
39	Deferred taxes	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
40	Accounts receivable and others	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivables
41	Investment properties	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentProperty
42	Receivables from related parties	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesDueFromRelatedParties
43	Investments in unquoted equity instruments	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
44	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
45	Intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
46	Total non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
47	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
48	Liabilities and equity	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
49	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
50	Trade accounts payable and others	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
51	Loans, financing, debentures and finance leases	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
52	Salaries and payroll obligations	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisionsForEmployeeBenefits
53	Derivative financial instruments	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDerivativeFinancialLiabilities
54	Payables for purchase of farms	Concept (Monetary)	As Of	Credit	lnd:CurrentPayablesForPurchaseOfFarms
55	Transactions with related parties	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
56	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
57	Noncurrent liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
58	Trade accounts payable and others	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentPayables
59	Loans, financing, debentures and finance leases	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
60	Derivative financial instruments	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentDerivativeFinancialLiabilities
61	Provision for legal claims	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermLegalProceedingsProvision
62	Total non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
63	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
64	Equity	Abstract			ifrs-full:EquityAbstract
65	Capital	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
66	Capital reserve	Concept (Monetary)	As Of	Credit	ifrs-full:CapitalReserve
67	Treasury shares	Concept (Monetary)	As Of	Debit	ifrs-full:TreasuryShares
68	Income reserves	Concept (Monetary)	As Of	Credit	lnd:IncomeReserves
69	Additional dividends proposed	Concept (Monetary)	As Of	Credit	lnd:AdditionalDividendsProposed
70	Other comprehensive income	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
71	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
72	Total liabilities and equity	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
73	00000003 - Statement - Consolidated statement of income	Network	*	*	http://brasil-agro.com/role/StatementOfIncome
74	Implied Table	Table	*	*	implied:Table
75	Profit or loss [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
76	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
77	Gain on sale of farms	Concept (Monetary)	For Period	Credit	lnd:GainOnSaleOfFarms
78	Changes in fair value of biological assets and agricultural products	Concept (Monetary)	For Period	Credit	lnd:ChangesInFairValueOfBiologicalAssetsAndAgriculturalProducts
79	Adjustment to net realizable value of agricultural products after harvest, net	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
80	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
81	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
82	Selling expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SellingExpense
83	General and administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:GeneralAndAdministrativeExpense
84	Other operating (expenses) income, net	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
85	Share of profit (loss) of a joint venture	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
86	Operating income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
87	Financial income (expenses)	Abstract			lnd:FinancialIncomeExpensesAbstract
88	Financial income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
89	Financial expenses	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
90	Profit before income and social contribution taxes	Concept (Monetary)	For Period	Credit	lnd:ProfitBeforeIncomeAndSocialContributionTaxes
91	Income and social contribution taxes	Concept (Monetary)	For Period	Debit	lnd:IncomeAndSocialContributionTaxes
92	Net profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
93	Basic earnings per share-in reais	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
94	Diluted earnings per share-in reais	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
95	00000004 - Statement - Consolidated statement of other comprehensive income	Network	*	*	http://brasil-agro.com/role/StatementOfOtherComprehensiveIncome
96	Implied Table	Table	*	*	implied:Table
97	Statement of comprehensive income [abstract]	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
98	Net profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
99	Other comprehensive income to be reclassified to profit or loss for the year in subsequent periods:	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
100	Currency translation adjustment of foreign operations	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxHedgesOfNetInvestmentsInForeignOperations
101	Currency translation adjustment of joint venture spin-off	Concept (Monetary)	For Period	Debit	lnd:CurrencyTranslationAdjustmentOfJointVentureSpinoff1
102	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
103	00000005 - Statement - Consolidated statements of changes in equity	Network	*	*	http://brasil-agro.com/role/StatementsOfChangesInEquity
104	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
105	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
106	Equity [member]	Member			ifrs-full:EquityMember
107	Capital [Member]	Member			lnd:CapitalMember
108	Capital Reserve [Member]	Member			ifrs-full:CapitalReserveMember
109	Treasury Shares [Member]	Member			ifrs-full:TreasurySharesMember
110	Legal Reserve [Member]	Member			lnd:LegalReserve1Member
111	Reserve for Investment and Expansion [Member]	Member			lnd:ReserveForInvestmentAndExpansionMember
112	Additional Dividends Proposed [Member]	Member			lnd:AdditionalDividendsProposedMember
113	Other Comprehensive Income [Member]	Member			lnd:OtherComprehensiveIncome1Member
114	Retained Earnings / Accumulated Losses [Member]	Member			lnd:RetainedEarningsAccumulatedLossesMember
115	Statement of changes in equity [line items]	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
116	Changes In Equity [Roll Forward]	Abstract			ifrs-full:ChangesInEquityAbstract
117	Beginning Balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
118	Additional dividends proposed	Concept (Monetary)	For Period	Credit	lnd:AdditionalDividendsProposed1
119	Payment of additional dividends	Concept (Monetary)	For Period	Credit	lnd:PaymentOfAdditionalDividends
120	Reversal of expired unpaid dividends	Concept (Monetary)	For Period	Debit	lnd:ReversalOfExpiredUnpaidDividends
121	Share based compensation	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
122	Exercise of granted stock	Concept (Monetary)	For Period	Credit	lnd:IncreaseDecreaseThroughExerciseOfStock
123	Cancellation of treasury stock	Concept (Monetary)	For Period	Credit	ifrs-full:CancellationOfTreasuryShares
124	Treasury stock acquired	Concept (Monetary)	For Period	Credit	lnd:IncreaseDecreaseThroughAcquisitionOfTreasuryStock
125	Net profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
126	Constitution of legal reserve	Concept (Monetary)	For Period	Credit	lnd:ConstitutionOfLegalReserve
127	Minimum mandatory dividends	Concept (Monetary)	For Period	Debit	lnd:MinimumMandatoryDividends
128	Additional dividends proposed	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
129	Constitution of reserve for investment and expansion	Concept (Monetary)	For Period	Credit	lnd:ConstitutionOfReserveForInvestmentAndExpansion
130	Currency translation adjustment of foreign operation	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax
131	Currency translation adjustment of joint venture spin-off	Concept (Monetary)	For Period	Debit	lnd:CurrencyTranslationAdjustmentOfJointVentureSpinoffNote17.e1.1
132	Ending Balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
133	00000006 - Statement - Consolidated statements of cash flows	Network	*	*	http://brasil-agro.com/role/StatementsOfCashFlows
134	Implied Table	Table	*	*	implied:Table
135	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
136	CASH FLOW FROM OPERATING ACTIVITIES	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
137	Net profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
138	Adjustments to reconcile profit for the year	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
139	Depreciation and amortization	Concept (Monetary)	For Period	Debit	lnd:DepreciationDepletionAndAmortizations
140	Gain from changes in fair value of assets due to spin-off	Concept (Monetary)	For Period	Credit	lnd:GainFromChangesInFairValueOfAssetsDueToSpinoff
141	Gain on sale of farm	Concept (Monetary)	For Period	Credit	lnd:GainOnSaleOfFarm
142	Currency translation adjustment of joint venture spin-off	Concept (Monetary)	For Period	Debit	lnd:CurrencyTranslationAdjustmentOfJointVentureSpinoff
143	Residual value of property, plant and equipment and intangible assets disposed	Concept (Monetary)	For Period	Debit	lnd:ResidualValueOfPropertyPlantAndEquipmentAndIntangibleAssetsDisposed
144	Write-off of capitalized costs in investment properties	Concept (Monetary)	For Period	Debit	lnd:WriteoffReversalOfCapitalizedCostsInvestmentPropertie
145	Share of profit (loss) of a joint venture	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
146	Unrealized (gain) loss on derivatives, net	Concept (Monetary)	For Period	Credit	lnd:UnrealizedGainLossOnDerivativesNet
147	Unrealized foreign exchange loss (gain), monetary variation and financial charges, net	Concept (Monetary)	For Period	Credit	lnd:UnrealizedForeignExchangeLossMonetaryVariationAndFinancialChargesNet
148	Gain on remeasurement of receivable from sale of farms, net	Concept (Monetary)	For Period	Credit	lnd:GainOnRemeasurementOfReceivableFromSaleOfFarmsNet
149	Share-based incentive plan - ILPA	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForSharebasedPayments
150	Deferred income and social contribution taxes	Concept (Monetary)	For Period	Credit	lnd:DeferredIncomeAndSocialContributionTaxes
151	Loss (Gain) arising from changes in fair value of biological assets and agricultural products	Concept (Monetary)	For Period	Credit	lnd:LossGainArisingFromChangesInFairValueOfBiologicalAssetsAndAgriculturalProducts
152	Adjustments to net realizable value of agriculutural products	Concept (Monetary)	For Period	Debit	lnd:ImpairmentOfNetRealizableValueOfAgriculturalProductsNet
153	Allowance for doubtful accounts	Concept (Monetary)	For Period	Debit	lnd:ProvisionForDoubtfulAccount
154	Provision (Reversal of provision)for legal claims	Concept (Monetary)	For Period	Credit	lnd:ProvisionReversalOfProvisionForLegalClaims
155	Discount on the payment of Alto Taquari farm	Concept (Monetary)	For Period	Debit	lnd:DiscountOnPaymentOfAltoTaquariFarm
156	Total	Concept (Monetary)	For Period		lnd:AdjustmentToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
157	Changes in working capital	Abstract			lnd:IncreaseDecreaseInWorkingCapitalAbstract
158	Trade accounts receivable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
159	Inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
160	Biological assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInBiologicalAssets
161	Recoverable taxes	Concept (Monetary)	For Period	Debit	lnd:IncreaseDecreaseInRecoverableTaxes
162	Derivative financial instruments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInDerivativeFinancialAssets
163	Other receivables	Concept (Monetary)	For Period	Credit	lnd:IncreaseDecreaseInOtherReceivable
164	Trade accounts payable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
165	Related parties	Concept (Monetary)	For Period	Debit	lnd:IncreaseDecreaseInRelatedParties
166	Taxes payable	Concept (Monetary)	For Period	Debit	lnd:IncreaseDecreaseInAccruedIncomeTaxPayable
167	Income tax and social contribution	Concept (Monetary)	For Period	Debit	lnd:IncreaseDecreaseInTaxesAndSocialContribution
168	Salaries and payroll	Concept (Monetary)	For Period	Credit	lnd:IncreaseDeceaseInLaborObligations
169	Advances from customers	Concept (Monetary)	For Period	Credit	lnd:IncreaseDecreaseInAdvancesFromCustomers
170	Other liabilities	Concept (Monetary)	For Period	Credit	lnd:IncreaseDecreaseInOtherLiability
171	Net cash flows from (used in) operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
172	CASH FLOW FROM INVESTING ACTIVITIES	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
173	Addition to property, plant and equipment and intangible assets	Concept (Monetary)	For Period	Credit	lnd:AcquisitionOfPropertyPlantAndEquipment
174	Addition on investment properties	Concept (Monetary)	For Period	Credit	lnd:AdditionOnInvestmentProperties
175	Redemption of (Investment in) marketable securities	Concept (Monetary)	For Period	Credit	lnd:RedemptionOfInvestmentInMarketableSecurities
176	Cash received from sales of farms and assets	Concept (Monetary)	For Period	Debit	lnd:ProceedsFromSalesOfPropertyLandAndNonBiologicalAssets
177	Net cash flows from (used in) investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
178	CASH FLOW FROM FINANCING ACTIVITIES	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
179	Payments of installments of financed acquisition of farm	Concept (Monetary)	For Period	Credit	lnd:AcquisitionOfPropertyLand
180	Proceeds from loans, financing and debentures	Concept (Monetary)	For Period	Credit	lnd:ProceedsFromLoansAndFinancing
181	Interest paid on loans, financing and debentures	Concept (Monetary)	For Period	Credit	lnd:InterestPaidOnLoansAndFinancing
182	Payment of loans and financing	Concept (Monetary)	For Period	Credit	lnd:PaymentOfLoansAndFinancing
183	Treasury stock acquired	Concept (Monetary)	For Period	Debit	ifrs-full:PurchaseOfTreasuryShares
184	Proceeds from the exercise of granted stock	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromExerciseOfOptions
185	Dividends paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
186	Net cash flows from (used in) financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
187	Increase (decrease) in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
188	Effect of exchange rate variation on cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
189	Cash and cash equivalents at beginning of year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
190	Cash and cash equivalents at end of year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
191	Total cash and cash equivalents	Concept (Monetary)	As Of	Debit	lnd:CashAndCashEquivalents1
192	00000007 - Disclosure - Operations	Network	*	*	http://brasil-agro.com/role/Operations
193	Implied Table	Table	*	*	implied:Table
194	Operations	Abstract			lnd:OperationsAbstract
195	Operations	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfOperationsExplanatory
196	00000008 - Disclosure - Basis of preparation and presentation	Network	*	*	http://brasil-agro.com/role/BasisOfPreparationAndPresentation
197	Implied Table	Table	*	*	implied:Table
198	Basis Of Preparation And Presentation	Abstract			lnd:BasisOfPreparationAndPresentationAbstract
199	Basis of preparation and presentation	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfBasisOfPreparationAndPresentationExplanatory
200	00000009 - Disclosure - Significant accounting estimates and judgments	Network	*	*	http://brasil-agro.com/role/SignificantAccountingEstimatesAndJudgments
201	Implied Table	Table	*	*	implied:Table
202	Significant Accounting Estimates And Judgments	Abstract			lnd:SignificantAccountingEstimatesAndJudgmentsAbstract
203	Significant accounting estimates and judgments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
204	00000010 - Disclosure - Financial risk management	Network	*	*	http://brasil-agro.com/role/FinancialRiskManagement
205	Implied Table	Table	*	*	implied:Table
206	Financial Risk Management	Abstract			lnd:FinancialRiskManagementAbstract
207	Financial risk management	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
208	00000011 - Disclosure - Cash and cash equivalents and marketable securities	Network	*	*	http://brasil-agro.com/role/CashAndCashEquivalentsAndMarketableSecurities
209	Implied Table	Table	*	*	implied:Table
210	Cash And Cash Equivalents And Marketable Securities	Abstract			lnd:CashAndCashEquivalentsAndMarketableSecuritiesAbstract
211	Cash and cash equivalents and marketable securities	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfCashAndCashEquivalentsAndMarketableSecuritiesExplanatory
212	00000012 - Disclosure - Derivative financial instruments	Network	*	*	http://brasil-agro.com/role/DerivativeFinancialInstruments
213	Implied Table	Table	*	*	implied:Table
214	Derivative Financial Instruments	Abstract			lnd:DerivativeFinancialInstrumentsAbstract
215	Derivative financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory
216	00000013 - Disclosure - Accounts receivable and others	Network	*	*	http://brasil-agro.com/role/AccountsReceivableAndOthers
217	Implied Table	Table	*	*	implied:Table
218	Accounts Receivable And Others	Abstract			lnd:AccountsReceivableAndOthersAbstract
219	Accounts receivable and others	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
220	00000014 - Disclosure - Inventories	Network	*	*	http://brasil-agro.com/role/Inventories
221	Implied Table	Table	*	*	implied:Table
222	Inventories	Abstract			lnd:InventoriesAbstract
223	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
224	00000015 - Disclosure - Biological assets	Network	*	*	http://brasil-agro.com/role/BiologicalAssets
225	Implied Table	Table	*	*	implied:Table
226	Biological Assets	Abstract			lnd:BiologicalAssetsAbstract
227	Biological assets	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfBiologicalAssetsExplanatory
228	00000016 - Disclosure - Investment properties noncurrent	Network	*	*	http://brasil-agro.com/role/InvestmentPropertiesNoncurrent
229	Implied Table	Table	*	*	implied:Table
230	Investment Properties Noncurrent	Abstract			lnd:InvestmentPropertiesNoncurrentAbstract
231	Investment properties - noncurrent	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInvestmentPropertyExplanatory
232	00000017 - Disclosure - Investments	Network	*	*	http://brasil-agro.com/role/Investments
233	Implied Table	Table	*	*	implied:Table
234	Investments	Abstract			lnd:Investments1Abstract
235	Investments	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfInvestmentExplanatory
236	00000018 - Disclosure - Property, plant and equipment	Network	*	*	http://brasil-agro.com/role/PropertyPlantAndEquipment
237	Implied Table	Table	*	*	implied:Table
238	Property, plant and equipment [abstract]	Abstract			ifrs-full:PropertyPlantAndEquipmentAbstract
239	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
240	00000019 - Disclosure - Payables for purchase of farms	Network	*	*	http://brasil-agro.com/role/PayablesForPurchaseOfFarms
241	Implied Table	Table	*	*	implied:Table
242	Payables For Purchase Of Farms	Abstract			lnd:PayablesForPurchaseOfFarmsAbstract
243	Payables for purchase of farms	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfPayablesForPurchaseOfFarmsExplanatory
244	00000020 - Disclosure - Trade accounts payable and others	Network	*	*	http://brasil-agro.com/role/TradeAccountsPayableAndOthers
245	Implied Table	Table	*	*	implied:Table
246	Trade Accounts Payable And Others	Abstract			lnd:TradeAccountsPayableAndOthersAbstract
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259	Equity	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfEquityExplanatory
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261	Implied Table	Table	*	*	implied:Table
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263	Segment information	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfSegmentInformationExplanatory
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265	Implied Table	Table	*	*	implied:Table
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283	Financial income and expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
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286	Earnings per share [abstract]	Abstract			ifrs-full:EarningsPerShareAbstract
287	Earnings per share	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEarningsPerShareExplanatory
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292	00000032 - Disclosure - Commitments	Network	*	*	http://brasil-agro.com/role/Commitments
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295	Commitments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsExplanatory
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297	Implied Table	Table	*	*	implied:Table
298	Transactions With Related Parties	Abstract			lnd:TransactionsWithRelatedPartiesAbstract
299	Transactions with related parties	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRelatedPartyExplanatory
300	00000034 - Disclosure - Insurance	Network	*	*	http://brasil-agro.com/role/Insurance
301	Implied Table	Table	*	*	implied:Table
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303	Insurance	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfInsuranceExplanatory
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312	Foreign currency translation	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
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314	Cash and cash equivalents and marketable securities	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory
315	Financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
316	Derivative financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory
317	Trade receivables	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForTradeReceivablesExplanatory
318	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
319	Biological assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory
320	Investment properties	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory
321	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
322	Intangible assets	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForIntangibleAssetsExplanatory
323	Impairment of non-financial assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory
324	Trade accounts payables	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForTradeAccountsPayablesExplanatory
325	Loans, financing and debentures	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForLoansAndFinancingExplanatory
326	Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
327	Current and deferred profit and social contribution taxes	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForCurrentAndDeferredProfitAndSocialContributionTaxes
328	Employee benefits	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
329	Capital	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
330	Revenue recognition	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
331	Financial income and expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
332	Leases	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
333	Distribution of dividends	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForDividendsAndInterestExplanatory
334	Adjustment to present value - assets and liabilities	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForAdjustmentToPresentValueAssetsAndLiabilities
335	Basic and diluted earnings per share	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForBasicAndDilutedEarningsPerShare
336	Statement of cash flows	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForCashFlowsExplanatory
337	New standards, amendments and interpretations	Concept (Text Block (HTML))	For Period		lnd:DescriptionOfAccountingPolicyForNewStandardsAmendmentsAndInterpretations
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341	Schedule of estimated fair value of the assets and liabilities	Concept (Text Block (HTML))	For Period		lnd:FairValueAssetsMeasuredOnBasisValuationTechniquesTextBlock
342	00000038 - Disclosure - Basis of preparation and presentation (Tables)	Network	*	*	http://brasil-agro.com/role/BasisOfPreparationAndPresentationTables
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345	Schedule of consolidated financial statements	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfConsolidatedFinancialStatementsExplanatory
346	Schedule of depreciation rate	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfDepreciationRateExplanatory
347	Schedule of reclassifications on the statement of financial position	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfReclassificationsOnTheStatementOfFinancialPositionExplanatory
348	00000039 - Disclosure - Financial risk management (Tables)	Network	*	*	http://brasil-agro.com/role/FinancialRiskManagementTables
349	Implied Table	Table	*	*	implied:Table
350	Financial Risk Management	Abstract			lnd:FinancialRiskManagementAbstract
351	Schedule of assumptions and scenarios	Concept (Text Block (HTML))	For Period		lnd:DisclosureAssumptionsAndScenariosExplanatory
352	Schedule of a summary of possible scenarios of loans and receivables	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfASummaryOfPossibleScenariosOfLoansAndReceivablesExplantory
353	Schedule of financial liabilities by maturity	Concept (Text Block (HTML))	For Period		lnd:DisclousreOfFinancialLiabilitiesByMaturityExplantory
354	Schedule of net debt of loans, acquisitions payable and trade accounts payables	Concept (Text Block (HTML))	For Period		lnd:DisclousreNetDebtOfLoansAcquisitionsPayableAndTradeAccountsPayablesExplantory
355	Schedule of main assets and liabilities that are measured at fair value, as well as the level of hierarchy	Concept (Text Block (HTML))	For Period		lnd:DisclosureMainAssetsAndLiabilitiesThatAreMeasuredAtFairValueAsWellAsTheLevelOfHierarchyExplantory
356	00000040 - Disclosure - Cash and cash equivalents and marketable securities (Tables)	Network	*	*	http://brasil-agro.com/role/CashAndCashEquivalentsAndMarketableSecuritiesTables
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359	Schedule of cash and cash equivalents	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfCashAndCashEquivalentsExplantory
360	Schedule of Marketable securities	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfMarketableSecuritiesExplantory
361	00000041 - Disclosure - Derivative financial instruments (Tables)	Network	*	*	http://brasil-agro.com/role/DerivativeFinancialInstrumentsTables
362	Implied Table	Table	*	*	implied:Table
363	Derivative Financial Instruments	Abstract			lnd:DerivativeFinancialInstrumentsTablesAbstract
364	Schedule of derivative financial instruments	Concept (Text Block (HTML))	For Period		lnd:ScheduleOfDerivativeFinancialInstrumentsExplantory
365	00000042 - Disclosure - Accounts receivable and others (Tables)	Network	*	*	http://brasil-agro.com/role/AccountsReceivableAndOthersTables
366	Implied Table	Table	*	*	implied:Table
367	Accounts Receivable And Others	Abstract			lnd:AccountsReceivableAndOthersTablesAbstract
368	Schedule of accounts receivable and others	Concept (Text Block (HTML))	For Period		lnd:DisclosureTradeAndOtherReceivablesExplanatory
369	Schedule of trade accounts receivable	Concept (Text Block (HTML))	For Period		lnd:DisclosureTradeAccountsReceivableExplanatory
370	Schedule of total amounts sold, collected and receivables from sale of farms	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfTotalAmountsSoldCollectedAndReceivablesFromSaleOfFarmsExplanatory
371	Schedule of recoverable taxes	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfRecoverableTaxesExplanatory
372	00000043 - Disclosure - Inventories (Tables)	Network	*	*	http://brasil-agro.com/role/InventoriesTables
373	Implied Table	Table	*	*	implied:Table
374	Inventories	Abstract			lnd:InventoriesAbstract
375	Schedule of inventories	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfInventories1Explanatory
376	Schedule of adjustment to recoverable value of inventories of agricultural products	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfAdjustmentToRecoverableValueOfInventoriesOfAgriculturalProductsExplanatory
377	00000044 - Disclosure - Biological assets (Tables)	Network	*	*	http://brasil-agro.com/role/BiologicalAssetsTables
378	Implied Table	Table	*	*	implied:Table
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380	Schedule of biological assets	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfBiologicalAssets1Explanatory
381	Schedule of area (hectares) to be harvested	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfAreaHectaresToBeHarvestedExplanatory
382	Schedule of changes in agricultural activity	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangesInAgriculturalActivityExplanatory
383	Schedule of changes in cattle raising activity	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangesInCattleRaisingActivityExplanatory
384	Schedule of quantitative data about cattle raising activity	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfQuantitativeDataAboutCattleRaisingActivityExplanatory
385	Schedule of fair value hierarchy	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfFairValueHierarchyExplanatory
386	Schedule of changes in fair value in profit or loss	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangesInFairValueInProfitOrLossExplanatory
387	00000045 - Disclosure - Investment properties noncurrent (Tables)	Network	*	*	http://brasil-agro.com/role/InvestmentPropertiesNoncurrentTables
388	Implied Table	Table	*	*	implied:Table
389	Investment Properties Noncurrent	Abstract			lnd:InvestmentPropertiesNoncurrentAbstract
390	Schedule of investment properties noncurrent	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory
391	Schedule of fair values of the investment properties	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfFairValuesOfInvestmentPropertiesExplanatory
392	00000046 - Disclosure - Investments (Tables)	Network	*	*	http://brasil-agro.com/role/InvestmentsTables
393	Implied Table	Table	*	*	implied:Table
394	Investments	Abstract			lnd:Investments1Abstract
395	Schedule of changes in investments	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangesInInvestmentsExplanatory
396	Schedule of reconciliation with the book value of the investment in the consolidated financial statements	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfReconciliationWithBookValueOfInvestmentInConsolidatedFinancialStatementsExplanatory
397	00000047 - Disclosure - Property, plant and equipment (Tables)	Network	*	*	http://brasil-agro.com/role/PropertyPlantAndEquipmentTables
398	Implied Table	Table	*	*	implied:Table
399	Property, plant and equipment [abstract]	Abstract			ifrs-full:PropertyPlantAndEquipmentAbstract
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401	00000048 - Disclosure - Payables for purchase of farms (Tables)	Network	*	*	http://brasil-agro.com/role/PayablesForPurchaseOfFarmsTables
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405	00000049 - Disclosure - Trade accounts payable and others (Tables)	Network	*	*	http://brasil-agro.com/role/TradeAccountsPayableAndOthersTables
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407	Trade Accounts Payable And Others	Abstract			lnd:TradeAccountsPayableAndOthersAbstract
408	Schedule of trade accounts payable and others	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfTradeAccountsPayableAndOthersExplanatory
409	Schedule of balance of trade accounts payable	Concept (Text Block (HTML))	For Period		lnd:DiscosureOfBalanceOfTradeAccountsPayableExplanatory
410	00000050 - Disclosure - Loans, financing, debentures and finance leases (Tables)	Network	*	*	http://brasil-agro.com/role/LoansFinancingDebenturesAndFinanceLeasesTables
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413	Schedule of loans and financing	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfLoansAndFinancing1Explanatory
414	Schedule of changes in loans and financing	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangesInLoansAndFinancingExplanatory
415	00000051 - Disclosure - Income and social contribution taxes (Tables)	Network	*	*	http://brasil-agro.com/role/IncomeAndSocialContributionTaxesTables
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418	Schedule of changes in deferred income tax and social contribution tax assets and liabilities	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangesInDeferredIncomeTaxAndSocialContributionTaxAssetsAndLiabilitiesExplanatory
419	Schedule of net change in deferred income tax	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfChangeInDeferredIncomeTaxExplanatory
420	Schedule of estimated years of realization of deferred tax assets	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfEstimatedYearsOfRealizationOfDeferredTaxAssetsExplanatory
421	Schedule of income and social contribution tax expenses	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfIncomeAndSocialContributionTaxExpensesExplanatory
422	00000052 - Disclosure - Equity (Tables)	Network	*	*	http://brasil-agro.com/role/EquityTables
423	Implied Table	Table	*	*	implied:Table
424	Equity	Abstract			ifrs-full:EquityAbstract
425	Schedule of capital (number of shares)	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfCapitalNumberOfSharesExplanatory
426	Schedule of dividends	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDividendsExplanatory
427	Schedule of changes in treasury shares	Concept (Text Block (HTML))	For Period		lnd:ScheduleOfChangesInTreasuryShares
428	Schedule of subscription warrants	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfSubscriptionWarrantsExplanatory
429	00000053 - Disclosure - Segment information (Tables)	Network	*	*	http://brasil-agro.com/role/SegmentInformationTables
430	Implied Table	Table	*	*	implied:Table
431	Segment Information	Abstract			lnd:SegmentInformationAbstract
432	Schedule of selected P&L, assets & liabilities information by segment	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfSelectedPlAssetsLiabilitiesInformationBySegmentExplanatory
433	Schedule of non current asets and revenue	Concept (Text Block (HTML))	For Period		lnd:ScheduleOfSegmentReportingInformationBySegmentTextBlock1
434	00000054 - Disclosure - Revenues (Tables)	Network	*	*	http://brasil-agro.com/role/RevenuesTables
435	Implied Table	Table	*	*	implied:Table
436	Revenues	Abstract			lnd:Revenues1Abstract
437	Schedule of operating sales	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfOperatingSalesExplanatory
438	Schedule of sale of farms	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfSaleOfFarmsExplanatory
439	00000055 - Disclosure - Expenses by nature (Tables)	Network	*	*	http://brasil-agro.com/role/ExpensesByNatureTables
440	Implied Table	Table	*	*	implied:Table
441	Expenses By Nature	Abstract			lnd:ExpensesByNatureAbstract
442	Schedule of expenses by nature	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfExpensesByNature1Explanatory
443	00000056 - Disclosure - Management compensation (Tables)	Network	*	*	http://brasil-agro.com/role/ManagementCompensationTables
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445	Management Compensation	Abstract			lnd:ManagementCompensationAbstract
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447	Schedule of changes in the stock option plan	Concept (Text Block (HTML))	For Period		lnd:ScheduleOfChangesInStockOptionPlanTableTextBlock
448	00000057 - Disclosure - Other operating income (expenses), net (Tables)	Network	*	*	http://brasil-agro.com/role/OtherOperatingIncomeExpensesNetTables
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452	00000058 - Disclosure - Financial income and expenses (Tables)	Network	*	*	http://brasil-agro.com/role/FinancialIncomeAndExpensesTables
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455	Schedule of financial income and expenses	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfFinanceIncomeExpense2Explanatory
456	Schedule of net balances	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfNetBalancesExplanatory
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458	Implied Table	Table	*	*	implied:Table
459	Earnings per share [abstract]	Abstract			ifrs-full:EarningsPerShareAbstract
460	Schedule of earnings per share	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfEarningsPerShare1Explanatory
461	00000060 - Disclosure - Provision for legal claims (Tables)	Network	*	*	http://brasil-agro.com/role/ProvisionForLegalClaimsTables
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465	Scedule of contingencies	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfContingenciesExplanatory
466	Scedule of judicial deposits	Concept (Text Block (HTML))	For Period		lnd:DisclsureOfJudicialDepositsExplanatory
467	00000061 - Disclosure - Commitments (Tables)	Network	*	*	http://brasil-agro.com/role/CommitmentsTables
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471	Schedule of lease agreement	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfLeaseAgreementExplanatory
472	Schedule of operating lease	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfOperatingLeaseExplanatory
473	Schedule of finance lease	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfFinanceLeaseExplanatory
474	Schedule of finance lease Partnership	Concept (Text Block (HTML))	For Period		lnd:DisclosureOfFinanceLeasePartnershipExplanatory
475	Schedule of gross sugarcane sales to Partnership IV	Concept (Text Block (HTML))	For Period		lnd:ExplanatoryOfGrossSugarcaneSalesToPartnershipIvExplanatory
476	00000062 - Disclosure - Transactions with related parties (Tables)	Network	*	*	http://brasil-agro.com/role/TransactionsWithRelatedPartiesTables
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480	00000063 - Disclosure - Insurance (Tables)	Network	*	*	http://brasil-agro.com/role/InsuranceTables
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484	00000064 - Disclosure - Operations (Details)	Network	*	*	http://brasil-agro.com/role/OperationsDetails
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742	Total balance	Concept (Integer)	As Of		lnd:NumberOfCattle
743	00000093 - Disclosure - Biological assets (Details 4)	Network	*	*	http://brasil-agro.com/role/BiologicalAssetsDetails4
744	Implied Table	Table	*	*	implied:Table
745	Biological Assets	Abstract			lnd:BiologicalAssetsAbstract
746	Work animals	Concept (Decimal)	As Of		lnd:NumberOfWorkAnimals
747	00000094 - Disclosure - Biological assets (Details 5)	Network	*	*	http://brasil-agro.com/role/BiologicalAssetsDetails5
748	Disclosure of detailed information about biological assets [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBiologicalAssetsTable
749	Biological Assets By Group [Axis]	Axis			ifrs-full:BiologicalAssetsByGroupAxis
750	Biological assets, group [member]	Member			ifrs-full:BiologicalAssetsGroupMember
751	Sugarcane [Member]	Member			lnd:SugarcaneMember
752	Cattle [Member]	Member			lnd:CattleMember
753	Grains [Member]	Member			lnd:GrainsMember
754	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
755	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
756	Level 3 [Member]	Member			ifrs-full:Level3OfFairValueHierarchyMember
757	Level 2 [Member]	Member			ifrs-full:Level2OfFairValueHierarchyMember
758	Level 1 [Member]	Member			ifrs-full:Level1OfFairValueHierarchyMember
759	Disclosure of detailed information about biological assets [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems
760	Total	Concept (Monetary)	For Period	Credit	lnd:ChangeInFairValueOfBiologicalAseetsAndAgriculturalProducts
761	00000095 - Disclosure - Investment properties - noncurrent (Details)	Network	*	*	http://brasil-agro.com/role/InvestmentProperties-NoncurrentDetails
762	Disclosure of detailed information about investment property [table]	Table	*	*	ifrs-full:DisclosureOfInvestmentPropertyTable
763	Types of investment property [axis]	Axis			ifrs-full:TypesOfInvestmentPropertyAxis
764	Investment property [member]	Member			ifrs-full:InvestmentPropertyMember
765	Land Farms [Member]	Member			lnd:LandFarmsMember
766	Buildings and improvements [Member]	Member			lnd:BuildingsAndImprovementsMember
767	Opening of area [Member]	Member			lnd:OpeningofAreaMember
768	Total in operation [Member]	Member			lnd:TotalInOperationMember
769	Construction in progress [Member]	Member			ifrs-full:ConstructionInProgressMember
770	Range [Axis]	Axis			ifrs-full:RangeAxis
771	Ranges [member]	Member			ifrs-full:RangesMember
772	Bottom of range [Member]	Member			ifrs-full:BottomOfRangeMember
773	Top of range [Member]	Member			ifrs-full:TopOfRangeMember
774	Disclosure of detailed information about investment property [line items]	LineItems			ifrs-full:DisclosureOfInvestmentPropertyLineItems
775	Opening balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentProperty
776	Acquisitions	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionsThroughBusinessCombinationsInvestmentProperty
777	Acquisitions - corporate restructuring	Concept (Monetary)	For Period	Debit	lnd:AcquisitionsCorporateRestructuring
778	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsInvestmentProperty
779	Transfers	Concept (Monetary)	For Period	Debit	lnd:TransfersInvestmentProperty
780	(-) Depreciation / amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
781	Effect of conversion	Concept (Monetary)	For Period	Credit	lnd:EffectOfConversion2
782	Net book balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentProperty
783	At June 30, 2018	Abstract			ifrs-full:ReconciliationOfChangesInInvestmentPropertyAbstract
784	Total cost	Concept (Monetary)	For Period	Debit	ifrs-full:ChangesInInvestmentProperty
785	Accumulated depreciation	Concept (Monetary)	For Period	Debit	lnd:AccumulatedDepreciationInvestmentProperty
786	Net book balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentProperty
787	Annual depreciation rates (weighted average) - %	Concept (Percent)	For Period		lnd:AnnualDepreciationRatesWeightedAverage
788	00000097 - Disclosure - Investments (Details)	Network	*	*	http://brasil-agro.com/role/InvestmentsDetails
789	Implied Table	Table	*	*	implied:Table
790	Investments	Abstract			lnd:Investments1Abstract
791	Opening balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
792	Write-off of investment due to spin-off	Concept (Monetary)	For Period	Credit	lnd:WriteoffOfInvestmentDueToSpinoff
793	Share of profit in a joint venture	Concept (Monetary)	For Period	Credit	lnd:ShareOfProfitInJointVenture
794	Share of loss in a joint venture	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
795	Effect from currency translation adjustment	Concept (Monetary)	For Period	Debit	lnd:EffectFromCurrencyTranslationAdjustment
796	Total balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
797	00000098 - Disclosure - Investments (Details 1)	Network	*	*	http://brasil-agro.com/role/InvestmentsDetails1
798	Disclosure of joint ventures [table]	Table	*	*	ifrs-full:DisclosureOfJointVenturesTable
799	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
800	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
801	Cresca's [Member]	Member			lnd:CrescaMember
802	Disclosure of joint ventures [line items]	LineItems			ifrs-full:DisclosureOfJointVenturesLineItems
803	Assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
804	Current	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
805	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
806	Accounts receivable, inventories and other receivables	Concept (Monetary)	As Of	Debit	lnd:AccountsReceivableInventoriesAndOtherReceivables
807	Contract of purchase of land	Concept (Monetary)	As Of	Debit	lnd:ContractOfPurchaseOfLand
808	Non current	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
809	Recoverable taxes	Concept (Monetary)	As Of	Debit	lnd:RecoverableTaxes
810	Investment properties	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentProperty
811	Other noncurrent	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentFinancialLiabilities
812	Liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
813	Current	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
814	Trade payables, taxes and loans	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
815	Noncurrent	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
816	Including taxes and loans	Concept (Monetary)	As Of	Credit	lnd:IncludingTaxesAndLoans
817	Total net assets	Concept (Monetary)	As Of	Debit	lnd:TotalNetAssets
818	Company's interest 50%	Concept (Monetary)	As Of	Debit	lnd:CompanysInterest
819	Company's interest in net assets at estimated fair value	Concept (Monetary)	As Of	Debit	lnd:CompanysInterestInNetAssetsAtEstimatedFairValue
820	00000099 - Disclosure - Investments (Details 2)	Network	*	*	http://brasil-agro.com/role/InvestmentsDetails2
821	Disclosure of joint ventures [table]	Table	*	*	ifrs-full:DisclosureOfJointVenturesTable
822	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
823	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
824	Cresca's [Member]	Member			lnd:CrescaMember
825	Disclosure of joint ventures [line items]	LineItems			ifrs-full:DisclosureOfJointVenturesLineItems
826	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
827	Cost of products sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
828	Gross revenue (expenses)	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
829	Selling expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SellingExpense
830	Administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
831	Other profit/expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByFunction
832	Finance profit	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
833	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
834	Loss before tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
835	Income and social contribution taxes	Concept (Monetary)	For Period	Debit	lnd:IncomeAndSocialContributionTaxes
836	Loss for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
837	Company's interest 50%	Concept (Monetary)	For Period	Debit	lnd:CompanysInterest1
838	Amortization of fair value adjustment on the purchase date (shareholders loans)	Concept (Monetary)	For Period	Credit	lnd:AmortizationOfFairValueAdjustmentOnThePurchaseDate
839	Equity method	Concept (Monetary)	For Period	Debit	lnd:EquityMethod
840	00000100 - Disclosure - Property, plant and equiptment (Details)	Network	*	*	http://brasil-agro.com/role/PropertyPlantAndEquiptmentDetails
841	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
842	Classes Of Property Plant And Equipment [Axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
843	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
844	Buildings And Improvements [Member]	Member			lnd:BuildingsAndImprovementsMember
845	Equipment And Facilities [Member]	Member			lnd:EquipmentAndFacilitiesMember
846	Agricultural Vehicles And Machinery [Member]	Member			lnd:AgriculturalVehiclesAndMachineryMember
847	Furniture And Fixtures [Member]	Member			lnd:FurnitureAndFixtures1Member
848	Total In Operation [Member]	Member			lnd:TotalInOperationMember
849	Construction In Progress [Member]	Member			ifrs-full:ConstructionInProgressMember
850	Sugarcane [Member]	Member			lnd:SugarcaneMember
851	Classes of property, plant and equipment [Axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
852	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
853	Total cost [Member]	Member			ifrs-full:GrossCarryingAmountMember
854	Accumulated depreciation [Member]	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
855	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
856	Opening balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
857	Acquisitions	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
858	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsPropertyPlantAndEquipment
859	Acquisitions - corporate restructuring	Concept (Monetary)	For Period	Credit	lnd:CorporateRestructuring
860	Transfers	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
861	Depreciation	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
862	Accounting balance, net	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
863	00000101 - Disclosure - Payables for purchase of farms (Details)	Network	*	*	http://brasil-agro.com/role/PayablesForPurchaseOfFarmsDetails
864	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
865	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
866	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
867	Nova Buriti Farm [Member]	Member			lnd:NovaBuritiFarmMember
868	Sao Jose Farm [Member]	Member			lnd:SaoJoseFarmMember
869	Disclosure of disaggregation of revenue from contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
870	Payables for purchase of farms	Concept (Monetary)	As Of	Credit	lnd:CurrentPayablesForPurchaseOfFarms
871	00000102 - Disclosure - Trade accounts payable and others (Details)	Network	*	*	http://brasil-agro.com/role/TradeAccountsPayableAndOthersDetails
872	Implied Table	Table	*	*	implied:Table
873	Trade Accounts Payable And Others	Abstract			lnd:TradeAccountsPayableAndOthersAbstract
874	Trade accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
875	Taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentValueAddedTaxPayables
876	Dividends payable	Concept (Monetary)	As Of	Credit	ifrs-full:DividendPayables
877	Advances to customers	Concept (Monetary)	As Of	Debit	lnd:AdvancesToCustomer
878	Other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentPayables
879	Total current	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
880	Taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentValueAddedTaxPayables
881	Total noncurrent	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentPayables
882	00000103 - Disclosure - Trade accounts payable and others (Details 1)	Network	*	*	http://brasil-agro.com/role/TradeAccountsPayableAndOthersDetails1
883	Implied Table	Table	*	*	implied:Table
884	Trade Accounts Payable And Others	Abstract			lnd:TradeAccountsPayableAndOthersAbstract
885	Raw materials and services	Concept (Monetary)	As Of	Debit	lnd:RawMaterialAndServices
886	Operating lease transactions with third parties	Concept (Monetary)	As Of	Credit	lnd:OperatingLeaseTransactionsWithThirdParties
887	Trade and other current payables to trade suppliers	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
888	00000104 - Disclosure - Loans, financing, debentures and finance leases (Details)	Network	*	*	http://brasil-agro.com/role/LoansFinancingDebenturesAndFinanceLeasesDetails
889	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
890	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
891	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
892	Current Loans And Financing [Member]	Member			lnd:CurrentLoansAndFinancingMember
893	Noncurrent Loans And Financing [Member]	Member			lnd:NoncurrentLoansAndFinancingMember
894	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
895	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
896	Financing For Agricultural Costs [Member]	Member			lnd:FinancingForAgriculturalCostsMember
897	Financing For Agricultural Costs (USD) [Member]	Member			lnd:FinancingForAgriculturalCostsUSDMember
898	Bahia Project Financing [Member]	Member			lnd:BahiaProjectFinancingMember
899	Working Capital Financing [Member]	Member			lnd:WorkingCapitalFinancingMember
900	Working Capital Financing (USD) [Member]	Member			lnd:WorkingCapitalFinancing1Member
901	Financing Of Machinery And Equipment - FINAME [Member]	Member			lnd:FinancingOfMachineryAndEquipmentFinameMember
902	Financing Of Sugarcane [Member]	Member			lnd:FinancingOfSugarcaneMember
903	Finance Lease Sugarcane Crop [Member]	Member			lnd:FinanceLeaseSugarcaneCropMember
904	Financing Bahia Project [Member]	Member			lnd:FinancingBahiaProjectMember
905	Debentures [Member]	Member			lnd:DebenturesMember
906	Finance Lease Sugarcane Crop [Member]	Member			lnd:FinanceLeaseSugarcaneCrop1Member
907	Disclosure of fair value measurement of assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
908	Bank	Concept (Text/String)	For Period		lnd:NameOfBank
909	Final Maturity	Concept (Text/String)	For Period		ifrs-full:BorrowingsMaturity
910	Annual interest rates and charges	Concept (Text/String)	For Period		ifrs-full:BorrowingsInterestRateBasis
911	Guarantee	Concept (Text/String)	For Period		lnd:DebtInstrumentGuarantee
912	Loans, financing, debentures and finance leases, Current	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
913	Loans, financing, debentures and finance leases, Non current	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
914	Loans, financing, debentures and finance leases	Concept (Monetary)	As Of	Credit	lnd:LoansAndFinancing
915	00000105 - Disclosure - Loans, financing, debentures and finance leases (Details 1)	Network	*	*	http://brasil-agro.com/role/LoansFinancingDebenturesAndFinanceLeasesDetails1
916	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
917	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
918	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
919	Financing For Agricultural Costs [Member]	Member			lnd:FinancingForAgriculturalCostsMember
920	Bahia Project Financing [Member]	Member			lnd:BahiaProjectFinancingMember
921	Working Capital Financing [Member]	Member			lnd:WorkingCapitalFinancingMember
922	Working Capital Financing (USD) [Member]	Member			lnd:WorkingCapitalFinancing1Member
923	Financing Of Machinery And Equipment - FINAME [Member]	Member			lnd:FinancingOfMachineryAndEquipmentFinameMember
924	Financing Of Sugarcane [Member]	Member			lnd:FinancingOfSugarcaneMember
925	Finance Lease - Sugarcane Crop - Partnership III [Member]	Member			lnd:FinanceLeaseSugarcaneCropPartnershipIIIMember
926	Finance Lease Sugarcane Crop [Member]	Member			lnd:FinanceLeaseSugarcaneCrop1Member
927	Debentures [Member]	Member			lnd:DebenturesMember
928	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
929	Balance at beginning	Concept (Monetary)	As Of	Credit	lnd:LoansAndFinancing
930	Contracting	Concept (Monetary)	For Period	Credit	lnd:LoansAndAdvancesToBanksContracting
931	Payment of principal	Concept (Monetary)	For Period	Credit	lnd:LoansAndAdvancesToBanksPaymentOfPrincipal
932	Payment of Interest	Concept (Monetary)	For Period	Credit	lnd:LoansAndAdvancesToBanksPaymentInterest
933	Appropriation of interest	Concept (Monetary)	For Period	Credit	lnd:LoansAndAdvancesToBanksAppropriationOfInterest
934	Foreign exchange difference	Concept (Monetary)	For Period	Credit	lnd:LoansAndAdvancesToBanksForeignExchangeDifference
935	Present value adjustment	Concept (Monetary)	For Period	Credit	lnd:LoansAndAdvancesToBanksPVA
936	Balance at end	Concept (Monetary)	As Of	Credit	lnd:LoansAndFinancing
937	00000106 - Disclosure - Income and social contribution taxes (Details)	Network	*	*	http://brasil-agro.com/role/IncomeAndSocialContributionTaxesDetails
938	Implied Table	Table	*	*	implied:Table
939	Income And Social Contribution Taxes	Abstract			lnd:IncomeAndSocialContributionTaxesAbstract
940	Assets	Abstract			ifrs-full:AssetsAbstract
941	Noncurrent	Abstract			ifrs-full:NoncurrentAssetsAbstract
942	Tax loss carryforwards (NOL)	Concept (Monetary)	As Of	Debit	lnd:DeferredTaxNoncurrentAssetsCapitalLossCarryforwards
943	Biological assets	Concept (Monetary)	As Of	Debit	ifrs-full:BiologicalAssets
944	Financial lease	Concept (Monetary)	As Of	Debit	lnd:FinancialLease
945	Contingency, bonuses and fair value	Concept (Monetary)	As Of	Debit	lnd:ContingencyProvisionForBadDebtsAndBonuses
946	Hedge	Concept (Monetary)	As Of	Debit	lnd:HedgeNoncurrentAssets
947	Provision for doubtful acoorents	Concept (Monetary)	As Of	Debit	lnd:ProvisionForOnerousContractsLossOnSaleOfPpeUsefulLife
948	Difference in cost of farms	Concept (Monetary)	As Of	Debit	lnd:DifferenceInCostOfFarms
949	Provision of other accounts payable and receivable	Concept (Monetary)	As Of	Debit	lnd:ProvisionOfOtherAccountsPayableAndReceivable
950	Total non-current assets	Concept (Monetary)	As Of	Debit	lnd:NoncurrentAssets1
951	Liabilities	Abstract			ifrs-full:LiabilitiesAbstract
952	Noncurrent	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
953	Biological assets	Concept (Monetary)	As Of	Debit	lnd:BiologicalAssets1
954	Finance lease	Concept (Monetary)	As Of	Credit	lnd:FinanceLease
955	Contingency, bonuses and fair value	Concept (Monetary)	As Of	Credit	lnd:ContingencyBonusesAndFairValue
956	Surplus on investment	Concept (Monetary)	As Of	Credit	lnd:SurplusOnInvestment
957	Costs of transactions	Concept (Monetary)	As Of	Credit	lnd:CostsOfTransactions
958	Provision of residual value and useful life of PPE assets	Concept (Monetary)	As Of	Credit	lnd:ProvisionOfResidualValueAndUsefulLifeOfPPEAssets
959	Accelerated depreciation of assets for rural activity	Concept (Monetary)	As Of	Credit	lnd:AcceleratedDepreciationOfAssetsForRuralActivity1
960	Total	Concept (Monetary)	As Of	Credit	lnd:NoncurrentLiabilities1
961	Net balance	Concept (Monetary)	As Of	Debit	lnd:NonCurrentAssetsLiabilities
962	00000107 - Disclosure - Income and social contribution taxes (Details 1)	Network	*	*	http://brasil-agro.com/role/IncomeAndSocialContributionTaxesDetails1
963	Implied Table	Table	*	*	implied:Table
964	Income And Social Contribution Taxes	Abstract			lnd:IncomeAndSocialContributionTaxesAbstract
965	Deferred tax liability asset	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
966	Tax losses	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsTaxLosses
967	Adjustments in biological assets and agricultural products	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsAdjustmentsInBiologicalAssetsAndAgriculturalProducts
968	Financial lease	Concept (Monetary)	For Period	Debit	lnd:FinancialLease1
969	Provisions for contingency and fair value	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsProvisionsForContingencyAndFairValue
970	Hedge	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsHedge
971	Surplus on investment	Concept (Monetary)	For Period	Debit	lnd:SurplusOnInvestment1
972	Costs of transactions	Concept (Monetary)	For Period	Debit	lnd:CostsOfTransactions1
973	Allowance for doubtful accounts	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsAllowanceForDoubtfulAccounts
974	Onerous agreements	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsOnerousAgreements
975	Provision for other accounts payable and receivable	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsProvisionForOtherAccountsPayableAndReceivable
976	Accelerated depreciation	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeTaxAssetsAdjustmentsForAcceleratedDepreciation
977	Total without effect from conversion	Concept (Monetary)	For Period	Debit	lnd:TotalWithoutEffectFromConversion
978	Effect of conversion	Concept (Monetary)	For Period	Debit	lnd:EffectOfConversion3
979	Deferred tax liability asset	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
980	00000108 - Disclosure - Income and social contribution taxes (Details 2)	Network	*	*	http://brasil-agro.com/role/IncomeAndSocialContributionTaxesDetails2
981	Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [table]	Table	*	*	ifrs-full:DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable
982	Maturity [Axis]	Axis			ifrs-full:MaturityAxis
983	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
984	Later Than One Year And Not Later Than Two Years [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
985	Later than two years and not later than three years [member]	Member			ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
986	Later than three years and not later than four years [member]	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
987	Later than four years and not later than five years [member]	Member			ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
988	Later than five years and not later than ten years [member]	Member			ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
989	Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]	LineItems			ifrs-full:DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems
990	Total	Concept (Monetary)	As Of	Debit	ifrs-full:NetDeferredTaxAssets
991	00000109 - Disclosure - Income and social contribution taxes (Details 3)	Network	*	*	http://brasil-agro.com/role/IncomeAndSocialContributionTaxesDetails3
992	Implied Table	Table	*	*	implied:Table
993	Income And Social Contribution Taxes	Abstract			lnd:IncomeAndSocialContributionTaxesAbstract
994	Income before income and social contribution taxes	Concept (Monetary)	For Period	Credit	lnd:IncomeBeforeIncomeAndSocialContributionTaxes
995	Combined nominal rate of income tax and social contribution taxes	Concept (Percent)	For Period		lnd:CombinedNominalRateOfIncomeTaxAndSocialContributionTaxes
996	Net combined nominal rate of income tax and social contribution taxes	Concept (Monetary)	For Period	Debit	lnd:NetCombinedNominalRateOfIncomeTaxAndSocialContributionTaxes
997	Share of loss in a Joint Venture	Concept (Monetary)	For Period	Debit	lnd:ShareOfLossInAJointVenture
998	Management bonus	Concept (Monetary)	For Period	Credit	lnd:ManagementBonus
999	Share-based incentive plan - ILPA	Concept (Monetary)	For Period	Credit	lnd:SharebasedIncentivePlanIlpa
1000	Nondeductible expenses	Concept (Monetary)	For Period	Debit	lnd:NondeductibleExpenses
1001	Profit or loss of joint venture abroad	Concept (Monetary)	For Period	Credit	lnd:ProfitOrLossOfJointVentureAbroad
1002	Net effect of subsidiaries taxed whose profit is computed as a percentage of gross revenue (*)	Concept (Monetary)	For Period	Credit	lnd:NetEffectOfSubsidiariesTaxedWhoseProfitIsComputedAsAPercentageOfGrossRevenue
1003	Net effect of spin-off of joint venture abroad	Concept (Monetary)	For Period	Credit	lnd:NetEffectOfSpinoffOfJointVentureAbroad
1004	Other permanent addition	Concept (Monetary)	For Period	Debit	lnd:OtherPermanentAddition
1005	Income and social contribution taxes for the year	Concept (Monetary)	For Period	Debit	lnd:IncomeAndSocialContributionTaxesForTheYear
1006	Current	Concept (Monetary)	For Period	Debit	lnd:CurrentIncomeAndSocialContributionTaxesForTheYear
1007	Deferred	Concept (Monetary)	For Period	Debit	lnd:DeferredIncomeAndSocialContributionTaxesForTheYear
1008	Net income and social contribution taxes for the year	Concept (Monetary)	For Period	Debit	lnd:NetIncomeAndSocialContributionTaxesForTheYear
1009	Effective rate	Concept (Percent)	For Period		lnd:EffectiveRateIncomeAndSocialContributionTaxesForTheYear
1010	00000110 - Disclosure - Equity (Details)	Network	*	*	http://brasil-agro.com/role/EquityDetails
1011	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1012	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1013	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1014	Cresud [Member]	Member			lnd:CresudMember
1015	Board of Directors [Member]	Member			lnd:BoardOfDirectorsMember
1016	Executive Board [Member]	Member			lnd:ExecutiveBoardMember
1017	Officers [Member]	Member			lnd:OfficersMember
1018	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
1019	Equity [member]	Member			ifrs-full:EquityMember
1020	Treasury [Member]	Member			lnd:TreasuryMember
1021	Other [Member]	Member			lnd:OtherMember
1022	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1023	Total shares of paid-up capital	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssued
1024	Total outstanding shares	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
1025	Outstanding shares as percentage of total shares (%)	Concept (Percent)	For Period		lnd:OutstandingSharesAsPercentageOfTotalShares
1026	00000111 - Disclosure - Equity (Details 1)	Network	*	*	http://brasil-agro.com/role/EquityDetails1
1027	Implied Table	Table	*	*	implied:Table
1028	Equity	Abstract			ifrs-full:EquityAbstract
1029	Profit for the year	Concept (Monetary)	For Period	Credit	lnd:GrossProfit1
1030	(-) Constitution of legal reserve (5% of net profit)	Concept (Monetary)	For Period	Debit	lnd:ConstitutionOfLegalReserveOfNetProfit
1031	Adjusted net profit	Concept (Monetary)	For Period	Credit	lnd:ProfitLoss1
1032	(-) Mandatory minimum dividends - 25% of adjusted net profit	Concept (Monetary)	For Period	Debit	lnd:MandatoryMinimumDividends
1033	(-) Additional dividends proposed	Concept (Monetary)	For Period	Debit	lnd:ProposedAdditionalDividends
1034	Proposed dividends	Concept (Monetary)	For Period	Debit	lnd:ProposedDividends
1035	Set up of reserve for investments and expansion	Concept (Monetary)	For Period	Credit	lnd:SetUpOfReserveForInvestmentsAndExpansion
1036	Total paid-in capital (per thousand shares)	Concept (Monetary)	As Of	Credit	ifrs-full:AdditionalPaidinCapital
1037	(-) Treasury shares (per thousand shares)	Concept (Monetary)	As Of	Debit	lnd:TreasuryShares1
1038	(=) Free float (per thousand shares)	Concept (Monetary)	As Of	Credit	lnd:EntitysPublicFloat
1039	Dividend per share (R$)	Concept (Share)	For Period		ifrs-full:BasicAndDilutedEarningsLossPerShare
1040	00000112 - Disclosure - Equity (Details 2)	Network	*	*	http://brasil-agro.com/role/EquityDetails2
1041	Implied Table	Table	*	*	implied:Table
1042	Equity	Abstract			ifrs-full:EquityAbstract
1043	Beginning	Concept (Monetary)	As Of	Debit	lnd:TreasuryStocksValue
1044	Beginning (in shares)	Concept (Shares)	As Of		lnd:TreasuryStocksShares
1045	Acquisitions	Concept (Monetary)	For Period	Debit	lnd:AcquisitionsOfTreasurySharesValue
1046	Acquisitions (in shares)	Concept (Shares)	For Period		lnd:AcquisitionsOfTreasuryShares
1047	Cancellations	Concept (Monetary)	For Period	Credit	ifrs-full:CancellationOfTreasuryShares
1048	Cancellations (in shares)	Concept (Shares)	For Period		lnd:CancellationsOfTreasuryShares
1049	Transfer to Board of Executive Officers - 3rd Grant of Shares	Concept (Monetary)	For Period	Credit	lnd:TransferToBoardOfExecutiveOfficers
1050	Transfer to Board of Executive Officers - 3rd Grant of Shares (in shares)	Concept (Shares)	For Period		lnd:TransferOfTreasurySharesToBoardOfExecutiveOfficers1
1051	Transfer to Board of Executive Officers - 2nd and 3rd Grant of Shares	Concept (Monetary)	For Period	Credit	lnd:TransferToBoardOfExecutiveOfficers1
1052	Transfer to Board of Executive Officers - 2nd and 3rd Grant of Shares (in shares)	Concept (Shares)	For Period		lnd:TransferOfTreasurySharesToBoardOfExecutiveOfficers
1053	Ending	Concept (Monetary)	As Of	Debit	lnd:TreasuryStocksValue
1054	Ending (in shares)	Concept (Shares)	As Of		lnd:TreasuryStocksShares
1055	00000113 - Disclosure - Equity (Details 3)	Network	*	*	http://brasil-agro.com/role/EquityDetails3
1056	Implied Table	Table	*	*	implied:Table
1057	Equity	Abstract			ifrs-full:EquityAbstract
1058	Price of share - R$	Concept (Share)	As Of		lnd:SharePrice1
1059	Maturity (years)	Concept (xbrli:durationItemType)	For Period		lnd:MaturityYears
1060	Maturity (day/month/year)	Concept (Date)	For Period		lnd:MaturityDueDate
1061	Exercise price at year end - R$/share	Concept (Share)	For Period		lnd:ExercisePriceAtYearEnd
1062	Number of existing shares	Concept (Shares)	As Of		lnd:NumberOfSharesIssued1
1063	Percentage of capital shares subject to conversion (percentage of new capital) - %	Concept (Share)	For Period		lnd:PercentageOfCapitalSharesSubjectToConversion
1064	Number of outstanding shares and stock purchase warrants	Concept (Shares)	As Of		lnd:NumberOfOutstandingSharesAndStockPurchaseWarrants
1065	00000114 - Disclosure - Segment information (Details)	Network	*	*	http://brasil-agro.com/role/SegmentInformationDetails
1066	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1067	Segments [Axis]	Axis			ifrs-full:SegmentsAxis
1068	Segments [member]	Member			ifrs-full:SegmentsMember
1069	Real Estate [Member]	Member			lnd:RealEstateSegmentMember
1070	Grains [Member]	Member			lnd:GrainsSegmentMember
1071	Sugarcane [Member]	Member			lnd:SugarcaneSegmentMember
1072	Cattle Raising [Member]	Member			lnd:CattleRaisingSegmentMember
1073	Other [Member]	Member			lnd:OtherSegmentMember
1074	Not Allocated [Member]	Member			lnd:NotAllocatedSegmentMember
1075	Disclosure of disaggregation of revenue from contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1076	Net revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1077	Gain on sale of farm	Concept (Monetary)	For Period	Credit	lnd:GainOnSaleOfFarms
1078	Change in fair value of biological assets and agricultural products (Note 9)	Concept (Monetary)	For Period	Credit	lnd:ChangeInFairValueOfBiologicalAseetsAndAgriculturalProducts
1079	(Impairment) of net realizable value of agricultural products after harvest, net	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9
1080	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
1081	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
1082	Operating profit (expenses)	Abstract			lnd:OperatingExpensesProfitLossAbstract
1083	Selling expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SellingExpense
1084	General and administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:GeneralAndAdministrativeExpense
1085	Other operating expenses, net	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
1086	Share of loss of a joint venture	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1087	Operating profit (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
1088	Net finance profit	Abstract			lnd:NetFinanceProfitAbstract
1089	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
1090	Finance expenses	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
1091	Profit (loss) before income and social contribution taxes	Concept (Monetary)	For Period	Debit	lnd:ProfitLossBeforeIncomeAndSocialContribution
1092	Income and social contribution taxes	Concept (Monetary)	For Period	Debit	lnd:IncomeAndSocialContributionTaxes
1093	Net profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1094	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1095	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
1096	00000115 - Disclosure - Segment information (Details 1)	Network	*	*	http://brasil-agro.com/role/SegmentInformationDetails1
1097	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1098	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1099	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1100	Brazil	Member			lnd:BrazilMember
1101	Subsidiaries Abroad	Member			lnd:SubsidiariesAbroadMember
1102	Disclosure of disaggregation of revenue from contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1103	Net income	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1104	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1105	00000116 - Disclosure - Revenues (Details)	Network	*	*	http://brasil-agro.com/role/RevenuesDetails
1106	Implied Table	Table	*	*	implied:Table
1107	Revenues	Abstract			lnd:Revenues1Abstract
1108	Sales of grains	Concept (Monetary)	For Period	Credit	lnd:RevenueFromSaleOfGrains
1109	Sales of sugarcane	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromSaleOfSugar
1110	Revenue from cattle raising	Concept (Monetary)	For Period	Credit	lnd:RevenueFromCattleRaising
1111	Lease	Concept (Monetary)	For Period	Credit	lnd:Lease
1112	Other revenues	Concept (Monetary)	For Period	Credit	ifrs-full:OtherRevenue
1113	Gross operating revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueAndOperatingIncome
1114	Sales deductions	Abstract			lnd:SalesDeductionsAbstract
1115	Taxes on sales	Concept (Monetary)	For Period	Debit	lnd:TaxesOnSales
1116	Net revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1117	00000119 - Disclosure - Management compensation (Details)	Network	*	*	http://brasil-agro.com/role/ManagementCompensationDetails
1118	Implied Table	Table	*	*	implied:Table
1119	Management Compensation	Abstract			lnd:ManagementCompensationAbstract
1120	Board of directors and executive board compensation	Concept (Monetary)	For Period	Debit	lnd:BoardOfDirectorsAndExecutiveBoardCompensation
1121	Bonuses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherLongtermBenefits
1122	Total compensation	Concept (Monetary)	For Period	Debit	lnd:GlobalShareCompensation
1123	00000121 - Disclosure - Management compensation (Details Narrative)	Network	*	*	http://brasil-agro.com/role/ManagementCompensationDetailsNarrative
1124	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1125	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1126	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1127	Officer And Board Of Director [Member]	Member			lnd:OfficerAndBoardOfDirectorMember
1128	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1129	Total compensation	Concept (Monetary)	For Period	Debit	lnd:GlobalShareCompensation
1130	Stock Options	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1131	Exercise Price (Per share)	Concept (Share)	For Period		lnd:ExercisePrice
1132	Total exercise price	Concept (Monetary)	For Period	Debit	lnd:TotalExercisePriceShareOptionsGranted
1133	00000122 - Disclosure - Other operating income (expenses), net (Details)	Network	*	*	http://brasil-agro.com/role/OtherOperatingIncomeExpensesNetDetails
1134	Implied Table	Table	*	*	implied:Table
1135	Other Operating Income Expenses Net	Abstract			lnd:OtherOperatingIncomeExpensesNetAbstract
1136	Gain/loss on sale of PPE	Concept (Monetary)	For Period	Debit	lnd:GainLossOnSaleOfPPEExpenses
1137	Reversal of management fee - Cresca	Concept (Monetary)	For Period	Debit	lnd:ReversalOfManagementFeeExpenses
1138	Provision for legal claims	Concept (Monetary)	For Period	Debit	lnd:ProvisionForLegalClaimExpenses
1139	Alto Taquari Farm	Concept (Monetary)	For Period	Debit	lnd:OperatingExpensesFromAltoTaquariFarm
1140	Surplus gain from spin-off (Note 1.1)	Concept (Monetary)	For Period	Debit	lnd:OperatingExpensesHorizontinaFarm
1141	Write-off of effect of conversion of joint venture due to spin-off (Note 1.1)	Concept (Monetary)	For Period	Debit	lnd:WriteoffOfEffectOfConversionOfJointVentureDueToSpinoffNote1.1
1142	Other	Concept (Monetary)	For Period	Debit	lnd:OtherOperatingExpenses
1143	Other operating expenses, net	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
1144	00000124 - Disclosure - Financial income and expenses (Details)	Network	*	*	http://brasil-agro.com/role/FinancialIncomeAndExpensesDetails
1145	Implied Table	Table	*	*	implied:Table
1146	Financial Income And Expenses	Abstract			lnd:FinancialIncomeAndExpensesAbstract
1147	Financial income	Abstract			lnd:FinanceIncomeAbstract
1148	Interest on marketable securities	Concept (Monetary)	For Period	Credit	lnd:InterestMarketableSecurities
1149	Interest on receivable	Concept (Monetary)	For Period	Credit	lnd:InterestOnReceivable
1150	Monetary variations	Concept (Monetary)	For Period	Credit	lnd:MonetaryVariations
1151	Foreign exchange variation	Concept (Monetary)	For Period	Credit	lnd:ForeignExchangeVariation
1152	Gain on remeasurement of receivables from sale of farms	Concept (Monetary)	For Period	Credit	lnd:GainOnRemeasurementOfReceivablesFromSaleOfFarms
1153	Realized profit from derivative transactions	Concept (Monetary)	For Period	Credit	lnd:RealizedProfitFromDerivativeTransactions
1154	Unrealized profit from derivative transactions	Concept (Monetary)	For Period	Credit	lnd:UnrealizedProfitFromDerivativeTransactions
1155	Total	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
1156	Financial expenses	Abstract			lnd:FinancialExpensesAbstract
1157	Marketable securities charges	Concept (Monetary)	For Period	Credit	lnd:MarketableSecuritiesCharges
1158	Bank charges	Concept (Monetary)	For Period	Debit	lnd:BankCharges
1159	Interest accrued	Concept (Monetary)	For Period	Credit	ifrs-full:InterestIncomeOnImpairedFinancialAssetsAccrued
1160	Monetary variation	Concept (Monetary)	For Period	Debit	lnd:MonetaryVariations1
1161	Foreign exchange variation	Concept (Monetary)	For Period	Debit	lnd:ForeignExchangeVariation1
1162	Loss on remeasurement of receivables from sale of farms	Concept (Monetary)	For Period	Debit	lnd:LossOnRemeasurementOfReceivablesFromSaleOfFarms
1163	Realized loss from derivative financial transactions	Concept (Monetary)	For Period	Debit	lnd:RealizedLossFromDerivativeFinancialTransactions
1164	Unrealized loss from derivative financial transactions	Concept (Monetary)	For Period	Debit	lnd:UnrealizedLossFromDerivativeFinancialTransactions
1165	Total	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
1166	Financial income (expense), net	Concept (Monetary)	For Period	Credit	lnd:InterestIncomeExpenseNet1
1167	00000125 - Disclosure - Financial income and expenses (Details 1)	Network	*	*	http://brasil-agro.com/role/FinancialIncomeAndExpensesDetails1
1168	Implied Table	Table	*	*	implied:Table
1169	Financial Income And Expenses	Abstract			lnd:FinancialIncomeAndExpensesAbstract
1170	Monetary variations	Concept (Monetary)	For Period	Credit	lnd:MonetaryVariations2
1171	Foreign exchange difference	Concept (Monetary)	For Period	Credit	lnd:ForeignExchangeDifference
1172	Realization of present value on balance of accounts receivable	Concept (Monetary)	For Period	Debit	lnd:RealizationOfPresentValueOnBalanceOfAccountsReceivable
1173	Income from Derivative financial instruments	Concept (Monetary)	For Period	Debit	lnd:IncomeFromDerivativeFinancialInstruments
1174	Unrealized profit from Derivative financial instruments	Concept (Monetary)	For Period	Debit	lnd:UnrealizedProfitFromDerivativeFinancialInstruments
1175	00000126 - Disclosure - Earnings per share (Details)	Network	*	*	http://brasil-agro.com/role/EarningsPerShareDetails
1176	Implied Table	Table	*	*	implied:Table
1177	Earnings per share [abstract]	Abstract			ifrs-full:EarningsPerShareAbstract
1178	Net profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1179	Weighted average number of common shares issued (thousands)	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
1180	Effect from dilution - shares (a)	Concept (Shares)	For Period		ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
1181	Weighted average number of common shares issued adjusted by the dilution effect	Concept (Shares)	For Period		ifrs-full:AdjustedWeightedAverageShares
1182	Basic earnings per share	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
1183	Diluted earnings per share	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
1184	00000129 - Disclosure - Commitments (Details)	Network	*	*	http://brasil-agro.com/role/CommitmentsDetails
1185	LegalEntityTable [Table]	Table	*	*	lnd:LegalEntityTable
1186	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
1187	Entity [Domain]	Member			dei:EntityDomain
1188	ETH Bioenergia [Member]	Member			lnd:ETHBioenergiaMember
1189	LegalEntityLineItems [Line Items]	LineItems			lnd:LegalEntityLineItems
1190	Number of sugarcane (tons)	Concept (Integer)	For Period		lnd:NumberOfSugarcane
1191	Gross revenue from sugarcane	Concept (Monetary)	For Period	Credit	lnd:GrossRevenueFromSugarcane
1192	00000135 - Disclosure - Transactions with related parties (Details)	Network	*	*	http://brasil-agro.com/role/TransactionsWithRelatedPartiesDetails
1193	TypesOfFinancialLiabilitiesTable [Table]	Table	*	*	lnd:TypesOfFinancialLiabilitiesTable
1194	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1195	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1196	Cresud [Member]	Member			lnd:CresudMember
1197	Other [Member]	Member			lnd:OtherMember
1198	Cresca [Member]	Member			lnd:CrescaMember
1199	Ombu [Member]	Member			lnd:OmbuMember
1200	Trade Accounts Payable [Member]	Member			lnd:TradeAccountsPayableMember
1201	TypesOfFinancialLiabilitiesLineItems [Line Items]	LineItems			lnd:TypesOfFinancialLiabilitiesLineItems
1202	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
1203	Noncurrent assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1204	Current liabilities:-	Abstract			ifrs-full:CurrentLiabilitiesAbstract
1205	trade accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
1206	00000137 - Disclosure - Subsequent events (Details Narrative)	Network	*	*	http://brasil-agro.com/role/SubsequentEventsDetailsNarrative
1207	Disclosure of non-adjusting events after reporting period [table]	Table	*	*	ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
1208	Non-adjusting events after reporting period [axis]	Axis			ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1209	Non-adjusting events after reporting period [member]	Member			ifrs-full:NonadjustingEventsMember
1210	Subsequent Events [Member]	Member			lnd:SubsequentEvent1Member
1211	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1212	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
1213	Jatoba Farm [Member]	Member			lnd:JatobaFarmMember
1214	Types of contracts [axis]	Axis			ifrs-full:TypesOfContractsAxis
1215	Types of contracts [member]	Member			ifrs-full:TypesOfContractsMember
1216	Agreement [Member]	Member			lnd:AgreementMember
1217	Lease Agreement [Member]	Member			lnd:LeaseAgreementMember
1218	Disclosure of non-adjusting events after reporting period [line items]	LineItems			ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
1219	Sale of land in area	Concept (num:areaItemType)	As Of		lnd:SaleOfLand
1220	Description of land location	Concept (Text/String)	For Period		lnd:DescriptionOfLandLocation
1221	Description of transaction	Concept (Text/String)	For Period		lnd:DescriptionOfTransaction
1222	Description of down payment	Concept (Text/String)	For Period		lnd:DescriptionOfDownPayment
1223	Revenue from sale of land	Concept (Monetary)	As Of	Credit	lnd:RevenueFromSaleOfLand
1224	Payment Term	Concept (xbrli:durationItemType)	For Period		lnd:PaymentTerm
1225	Area of lease land	Concept (num:areaItemType)	As Of		lnd:AreaOfLeaseLand