Earnings Per Share - Basic and Diluted Earnings Per Share Computations (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024
Earnings Per Share [Abstract]
Net income (loss) for basic earnings per share	$ (78)	$ (214)
Net income (loss) for diluted earnings per share	$ (78)	$ (214)
Weighted-average shares outstanding (in shares)	1,309	1,264
Diluted weighted-average shares outstanding (in shares)	1,309	1,264
Basic earnings per share (in dollars per share)	$ (0.06)	$ (0.17)
Diluted earnings per share (in dollars per share)	$ (0.06)	$ (0.17)