Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Aug. 31, 2023	May 31, 2023	Feb. 28, 2023	Nov. 30, 2022	Aug. 31, 2022	May 31, 2022	Feb. 28, 2022	Nov. 30, 2021	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Pay vs Performance Disclosure
Net Income (Loss)	$ (180)	$ 118	$ 703	$ (3,721)	$ (415)	$ 289	$ 883	$ 3,580	$ (3,080)	$ 4,337	$ 2,542