Quarterly report pursuant to Section 13 or 15(d)

Leases - Financial Statement Location Tables (Details)

v3.19.2
Leases - Financial Statement Location Tables (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Dec. 31, 2018
Lessee, Lease, Description [Line Items]      
Right-of-use assets—Operating $ 92 $ 92 $ 0
Current operating lease liabilities 6 6 0
Non-current operating lease liabilities 86 86 $ 0
Operating costs and expenses [Member]      
Lessee, Lease, Description [Line Items]      
Operating lease cost [1],[2] 4 6  
Operating lease assets, net [Member]      
Lessee, Lease, Description [Line Items]      
Right-of-use assets—Operating 92 92  
Current operating lease liabilities [Member]      
Lessee, Lease, Description [Line Items]      
Current operating lease liabilities 6 6  
Non-current operating lease liabilities [Member]      
Lessee, Lease, Description [Line Items]      
Non-current operating lease liabilities $ 86 $ 86  
[1]
Includes variable lease costs.
[2]
Presented in cost of sales, operating and maintenance expense or selling, general and administrative expense consistent with the nature of the asset under lease.