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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

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