Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Derivatives Qualifying and Designated as Hedging Instruments Recognized in Other Comprehensive Income (Details) - Designated as hedging instruments - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in AOCI, cash flow hedges	$ 0	$ 13
(Gains) losses reclassified from AOCI, cash flow hedges	2	(11)
Cross currency swaps, interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized on derivative instruments (amount excluded from effectiveness testing – net investment hedges)	$ 0	$ 2