Earnings Per Share - Basic and Diluted Earnings Per Share Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Earnings Per Share [Abstract]
Net income (loss) for basic earnings per share	$ (74)	$ (6,093)	$ (9,501)
Net income (loss) for diluted earnings per share	$ (74)	$ (6,093)	$ (9,501)
Weighted-average shares outstanding (in shares)	1,262	1,180	1,123
Diluted weighted-average shares outstanding (in shares)	1,262	1,180	1,123
Basic earnings per share (in dollars per share)	$ (0.06)	$ (5.16)	$ (8.46)
Diluted earnings per share (in dollars per share)	$ (0.06)	$ (5.16)	$ (8.46)