v3.20.4

COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Thousands | Feb. 28, 2021 | Aug. 31, 2020
--- | --- | ---
Indemnifications and Guarantees [Abstract] |  |
Expressly limited performance guarantee | $ 881,000 | $ 832,000
Portion of guarantee not recoverable | $ 80,000 | $ 87,000

X
- Definition Aggregate potential liability to clients for expressly limited guarantees involving the performance of third parties. + References No definition available. + Details
Name: | acn_ExpresslyLimitedPerformanceGuarantee
Namespace Prefix: | acn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Indemnifications and Guarantees [Abstract] + References No definition available. + Details
Name: | acn_IndemnificationsandGuaranteesAbstract
Namespace Prefix: | acn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Portion of the aggregate potential liability to clients for expressly limited guarantees involving the performance of third parties that may not be recovered from third parties if payments to the client are required. + References No definition available. + Details
Name: | acn_PortionOfGuaranteeNotRecoverable
Namespace Prefix: | acn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant