Derivative Financial Instruments and Hedging Activities - Schedule of Maturity Date and Aggregate Notional Amount Outstanding of Net Investment Hedges (Details) - Designated as Hedging Instruments - Net Investment Hedging - Forward Contracts - USD ($) $ in Millions	Aug. 31, 2026	Aug. 31, 2025
Foreign Exchange Contract
Derivative [Line Items]
Derivative notional amount	$ 371	$ 390
October 2025
Derivative [Line Items]
Derivative notional amount	0	103
January 2026
Derivative [Line Items]
Derivative notional amount	0	200
April 2026
Derivative [Line Items]
Derivative notional amount	0	42
July 2026
Derivative [Line Items]
Derivative notional amount	0	45
October 2026
Derivative [Line Items]
Derivative notional amount	83	0
January 2027
Derivative [Line Items]
Derivative notional amount	38	0
April 2027
Derivative [Line Items]
Derivative notional amount	94	0
July 2027
Derivative [Line Items]
Derivative notional amount	111	0
January 2028
Derivative [Line Items]
Derivative notional amount	$ 45	$ 0