Derivative Financial Instruments and Hedging Activities - Schedule of Maturity Date and Aggregate Notional Amount Outstanding of Net Investment Hedges (Details) - Net investment hedges - Forward Contracts - Designated as hedging instruments - USD ($) $ in Millions	Feb. 29, 2024	Aug. 31, 2023
September 2023
Derivative [Line Items]
Aggregate notional amount	$ 0	$ 34
October 2023
Derivative [Line Items]
Aggregate notional amount	0	96
January 2024
Derivative [Line Items]
Aggregate notional amount	0	96
April 2024
Derivative [Line Items]
Aggregate notional amount	103	68
July 2024
Derivative [Line Items]
Aggregate notional amount	178	102
October 2024
Derivative [Line Items]
Aggregate notional amount	96	0
Foreign exchange contracts
Derivative [Line Items]
Aggregate notional amount	$ 377	$ 396