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Derivatives and Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
2 Months Ended 3 Months Ended
Aug. 31, 2019
Mar. 31, 2020
Derivative [Line Items]    
Term of contract 2 years  
Net amount of deferred losses on cash flow hedges that are expected to be reclassified from Accumulated other comprehensive income (loss) into Interest expense within the next 12 months   $ 5
Cash Flow Hedging | Interest rate swap contracts    
Derivative [Line Items]    
Term of contract   2 years
Cash Flow Hedging | Designated as Hedging Instrument | Interest rate swap contracts    
Derivative [Line Items]    
Notional amount $ 500  
Minimum | Cash Flow Hedging | Designated as Hedging Instrument | Interest rate swap contracts    
Derivative [Line Items]    
Forward interest rate   1.63%
Maximum | Cash Flow Hedging | Designated as Hedging Instrument | Interest rate swap contracts    
Derivative [Line Items]    
Forward interest rate   1.70%