Quarterly report pursuant to Section 13 or 15(d)

Leases - Financial Statement Location Tables (Details)

v3.19.1
Leases - Financial Statement Location Tables (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Lessee, Lease, Description [Line Items]      
Right-of-use assets—Operating $ 93 $ 100 $ 0
Current operating lease liabilities 5   0
Non-current operating lease liabilities 87   $ 0
Operating costs and expenses [Member]      
Lessee, Lease, Description [Line Items]      
Operating lease cost [1],[2] 2    
Operating lease assets, net [Member]      
Lessee, Lease, Description [Line Items]      
Right-of-use assets—Operating 93    
Current operating lease liabilities [Member]      
Lessee, Lease, Description [Line Items]      
Current operating lease liabilities 5    
Non-current operating lease liabilities [Member]      
Lessee, Lease, Description [Line Items]      
Non-current operating lease liabilities $ 87    
[1] Includes short-term and 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.