Derivative Financial Instruments and Hedging Activities (Fair Value of Derivative Instruments Recorded on Consolidated Statements of Operations) (Details) - Forward foreign exchange contracts - Cost of revenue - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in Net Income on Derivatives	$ 22	$ 36	$ 60	$ 120
Foreign currency losses	$ 9	$ 26	$ 37	$ 99