| Cover Page | Dec. 03, 2020 | Jun. 25, 2020 |
| Cover [Abstract] | ||
| Entity Central Index Key | 0001467373 | |
| Amendment Flag | false | |
| Document Type | 8-K | |
| Document Period End Date | Dec. 3, 2020 | |
| Entity Registrant Name | Accenture plc | |
| Entity Incorporation, State or Country Code | L2 | |
| Entity File Number | 001-34448 | |
| Entity Tax Identification Number | 98-0627530 | |
| Entity Address, Address Line One | 1 Grand Canal Square | |
| Entity Address, Address Line Two | Grand Canal Harbour | |
| Entity Address, City or Town | Dublin | |
| Entity Address, Postal Zip Code | 2 | |
| Entity Address, Country | IE | |
| Country Region | 353 | |
| City Area Code | 1 | |
| Local Phone Number | 646-2000 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0000225 per share | |
| Trading Symbol | ACN | |
| Security Exchange Name | NYSE | |
| Entity Emerging Growth Company | false |
