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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)	12 Months Ended
	Aug. 31, 2026 USD ($) market	Aug. 31, 2025 USD ($)	Feb. 28, 2026 USD ($)
Basis of Presentation [Line Items]
Number of geographic markets \| market	3
Allowance for credit losses for client receivables and contract assets	$ 41,670,000	$ 32,247,000
Redeemable noncontrolling interests	532,762,000	0	$ 476,000,000
Goodwill impairment	$ 0	$ 0
Minimum
Basis of Presentation [Line Items]
Finite-lived intangible asset useful life	1 year
Maximum
Basis of Presentation [Line Items]
Finite-lived intangible asset useful life	18 years
Technology Integration Consulting Services \| Minimum
Basis of Presentation [Line Items]
Contracts duration	6 months
Technology Integration Consulting Services \| Maximum
Basis of Presentation [Line Items]
Contracts duration	2 years
Non-Technology Integration Consulting Services \| Maximum
Basis of Presentation [Line Items]
Contracts duration	1 year
Accenture Canada Holdings Inc. \| Subsidiaries
Basis of Presentation [Line Items]
Noncontrolling interest ownership percentage	1.00%	1.00%