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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Estimated Fair Values of Derivative Financial Instruments and Location on Consolidated Balance Sheets (Details) - USD ($)
$ in Millions
3 Months Ended
Feb. 29, 2024
Nov. 30, 2023
Derivatives, Fair Value [Line Items]    
Derivative assets $ 22 $ 22
Derivative liabilities 10 28
Interest rate swaps – cash flow hedges | Cash flow hedging    
Derivatives, Fair Value [Line Items]    
Interest rate cash flow hedge asset at fair value 46 46
Change in fair value of interest rate swap agreements 2,500  
Cross currency swaps | Cash flow hedging    
Derivatives, Fair Value [Line Items]    
Cash flow hedge liability fair value   670
Derivatives designated as hedging instruments | Other assets | Interest rate swaps – cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative assets 21 22
Derivatives designated as hedging instruments | Other long-term liabilities | Interest rate swaps – cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative liabilities 10 16
Derivatives designated as hedging instruments | Other long-term liabilities | Cross currency swaps    
Derivatives, Fair Value [Line Items]    
Derivative liabilities 0 12
Derivatives not designated as hedging instruments | Prepaid expenses and other | Interest rate swaps – cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative assets $ 1 $ 1