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Financial Instruments - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Cost of Sales          
Derivative Instruments Gain Loss [Line Items]          
Unrealized gain (loss) on securities $ 0 $ 1,000,000 $ (1,000,000) $ 9,000,000  
Accrued and Other Current Liabilities          
Derivative Instruments Gain Loss [Line Items]          
Commodity contract liability 1,000,000   1,000,000   $ 1,000,000
Other Current Assets          
Derivative Instruments Gain Loss [Line Items]          
Commodity contract asset 1,000,000   1,000,000   $ 1,000,000
Interest Rate Swaps | Cash Flow Hedges          
Derivative Instruments Gain Loss [Line Items]          
Aggregate notional amount $ 1,650,000,000   $ 1,650,000,000    
Minimum | Interest Rate Swaps | Cash Flow Hedges          
Derivative Instruments Gain Loss [Line Items]          
Derivative, annual LIBO rate 0.18%   0.18%    
Derivative, effective interest rate 1.93%   1.93%    
Cash flow hedge contracts period     1 year    
Maximum | Interest Rate Swaps | Cash Flow Hedges          
Derivative Instruments Gain Loss [Line Items]          
Derivative, annual LIBO rate 0.47%   0.47%    
Derivative, effective interest rate 2.22%   2.22%    
Cash flow hedge contracts period     5 years