XML 56 R31.htm IDEA: XBRL DOCUMENT v3.20.1
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) - USD ($)
$ in Millions
Feb. 29, 2020
Nov. 30, 2019
Assets    
Derivative financial instruments $ 102 $ 58
Liabilities    
Derivative financial instruments 18 25
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1    
Assets    
Restricted cash 15 13
Total 1,368 530
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1 | Money market funds    
Assets    
Cash and cash equivalents 1,354 518
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2    
Assets    
Total 102 58
Liabilities    
Total 17 25
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Derivative financial instruments, assets    
Assets    
Derivative financial instruments 102 58
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Derivative financial instruments, liabilities    
Liabilities    
Derivative financial instruments $ 17 $ 25