Derivative Financial Instruments and Hedging Activities - Schedule of Net (Losses) Gains from Forward Contracts Recorded in Consolidated Statements of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Derivative instruments designated as cash flow hedges:
Loss to be reclassified in next 12 months	$ 15
Designated as Hedging Instruments
Derivative instruments designated as cash flow hedges:
Gains (losses) recognized in OCI	14	$ (21)	$ (25)
Designated as Hedging Instruments | Net investment hedges:
Derivative instruments designated as net investment hedges:
Losses recognized in OCI	(18)	(16)	(4)
Designated as Hedging Instruments | Gain from the divestiture of businesses | Net investment hedges:
Derivative instruments designated as net investment hedges:
Gains reclassified from AOCI into earnings	0	(4)	0
Designated as Hedging Instruments | Forward foreign exchange contracts | Cost of revenue
Derivative instruments designated as cash flow hedges:
Losses (gains) reclassified from AOCI into earnings	8	22	44
Designated as Hedging Instruments | Interest rate contracts | Interest expense, net
Derivative instruments designated as cash flow hedges:
Losses (gains) reclassified from AOCI into earnings	(3)	(3)	(2)
Not Designated as Hedging Instruments | Forward foreign exchange contracts | Cost of revenue
Derivative instruments not designated as hedging instruments:
(Losses) gains recognized in earnings from forward foreign exchange contracts	(36)	16	(111)
(Losses) gains recognized in earnings from changes in foreign currency	$ (6)	$ (52)	$ 58