Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Estimated Fair Value and Basis of Valuation of Financial Instrument Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Financial Instruments Measured at Fair Value on a Recurring Basis - USD ($) $ in Millions	May 31, 2025	Nov. 30, 2024
Level 1
Assets
Cash equivalents	$ 1,648	$ 404
Total	1,648	404
Liabilities
Total	0	0
Level 1 | Derivative financial instruments, assets
Assets
Derivative financial instruments	0	0
Level 1 | Derivative financial instruments, liabilities
Liabilities
Derivative financial instruments	0	0
Level 2
Assets
Cash equivalents	0	0
Total	0	2
Liabilities
Total	5	4
Level 2 | Derivative financial instruments, assets
Assets
Derivative financial instruments	0	2
Level 2 | Derivative financial instruments, liabilities
Liabilities
Derivative financial instruments	5	4
Level 3
Assets
Cash equivalents	0	0
Total	0	0
Liabilities
Total	0	0
Level 3 | Derivative financial instruments, assets
Assets
Derivative financial instruments	0	0
Level 3 | Derivative financial instruments, liabilities
Liabilities
Derivative financial instruments	$ 0	$ 0