Annual report pursuant to Section 13 and 15(d)

Leases - Financial Statement Location Tables (Details)

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Leases - Financial Statement Location Tables (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Lessee, Lease, Description [Line Items]      
Right-of-use assets—Operating $ 94 $ 0  
Current operating lease liabilities 6 0  
Non-current operating lease liabilities 87 0  
Operating lease cost   $ 16 $ 13
Variable Lease, Cost 1    
Operating costs and expenses [Member]      
Lessee, Lease, Description [Line Items]      
Operating lease cost [1],[2] $ 11    
[1]
Presented in cost of sales, operating and maintenance expense, general and administrative expense or general and administrative expense—affiliate consistent with the nature of the asset under lease.
[2] Includes $1 million of variable lease costs paid to the lessor.