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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Foreign Currency Exchange Rate Risks (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2023
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2023
Aug. 31, 2022
Fair Value, Measurement Inputs, Disclosure [Line Items]          
Change in foreign currency translation adjustment   $ 17 $ 283 $ (82) $ 529
Foreign currency contract commitments   3,200   3,200  
Sterling-denominated          
Fair Value, Measurement Inputs, Disclosure [Line Items]          
Notional amount   663   663  
Repayments of debt $ 450        
Change in foreign currency translation adjustment   $ 29   $ 38