QUARTERLY DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	Aug. 31, 2016	May 31, 2016	Feb. 29, 2016	Nov. 30, 2015	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 9,149,958	$ 8,867,036	$ 8,317,671	$ 8,515,517	$ 8,489,238	$ 8,434,757	$ 7,945,565	$ 8,013,163	$ 34,850,182	$ 32,882,723	$ 31,047,931
Reimbursements	490,948	489,751	444,511	490,086	476,342	534,287	451,488	452,821	1,915,296	1,914,938	1,866,493
Revenues	9,640,906	9,356,787	8,762,182	9,005,603	8,965,580	8,969,044	8,397,053	8,465,984	36,765,478	34,797,661	32,914,424
Cost of services before reimbursable expenses	6,263,285	5,957,405	5,813,515	5,785,485	5,833,698	5,745,205	5,575,749	5,450,644	23,819,690	22,605,296	21,238,692
Reimbursable expenses	490,948	489,751	444,511	490,086	476,342	534,287	451,488	452,821	1,915,296	1,914,938	1,866,493
Cost of services	6,754,233	6,447,156	6,258,026	6,275,571	6,310,040	6,279,492	6,027,237	5,903,465	25,734,986	24,520,234	23,105,185
OPERATING INCOME	1,296,562	865,435	1,138,653	1,331,959	1,195,198	1,305,943	1,088,044	1,221,260	4,632,609	4,810,445	4,435,869
Net Income	983,174	704,801	887,208	1,059,749	1,130,781	950,283	1,399,858	868,681	3,634,932	4,349,603	3,273,789
NET INCOME ATTRIBUTABLE TO ACCENTURE PLC	$ 932,453	$ 669,468	$ 838,752	$ 1,004,476	$ 1,069,226	$ 897,247	$ 1,326,520	$ 818,899	$ 3,445,149	$ 4,111,892	$ 3,053,581
Weighted average Class A ordinary shares:
-Basic (in shares)	617,515,125	619,436,804	621,999,948	621,569,764	622,555,642	623,725,913	626,523,793	626,463,124	620,104,250	624,797,820	626,799,586
-Diluted (in shares)	658,384,196	658,770,425	661,079,375	663,752,830	665,365,231	666,403,323	668,125,087	671,300,744	660,463,227	667,770,274	678,757,070
Earnings per Class A ordinary share:
Basic earnings per share (in dollars per share)	$ 1.51	$ 1.08	$ 1.35	$ 1.62	$ 1.72	$ 1.44	$ 2.12	$ 1.31	$ 5.56	$ 6.58	$ 4.87
Diluted earnings per share (in dollars per share)	1.48	1.05	1.33	1.58	1.68	1.41	2.08	1.28	5.44	6.45	$ 4.76
Ordinary share price per share:
-High (in dollars per share)	130.92	126.53	125.72	124.96	120.78	119.72	109.65	109.86	130.92	120.78
-Low (in dollars per share)	$ 119.10	$ 114.82	$ 112.31	$ 108.83	$ 108.66	$ 101.00	$ 91.40	$ 91.68	$ 108.83	$ 91.40