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Derivatives and Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Derivative [Line Items]    
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 $ 8  
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%