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General (Details) - USD ($)
$ in Millions
6 Months Ended
May 31, 2024
May 31, 2023
Jan. 01, 2024
Nov. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Restricted cash (included in prepaid expenses and other and other assets)       $ 11
Payments of debt issuance costs $ 117 $ 94    
Emissions trading scheme, phase-in period     3 years  
Cost of allowance purchased $ 49