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Derivatives Instruments and Hedging Activities - Interest rate hedging (Details) - 4.625% senior notes due November 1, 2020 - USD ($)
$ in Millions
1 Months Ended
Jul. 31, 2020
Jun. 30, 2020
Financial instruments, derivatives and hedging activities    
Amount of debt redeemed $ 400  
Debt, fixed interest rate (as a percent)   4.625%
Fair Value Hedging | Interest Rate Swap    
Financial instruments, derivatives and hedging activities    
Principal amount   $ 200