Annual report pursuant to Section 13 and 15(d)

Leases - Capital Leases (Details)

v3.10.0.1
Leases - Capital Leases (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Capital Leased Assets [Line Items]    
2019, Minimum Payment $ 5  
2020, Minimum Payment 5  
2021, Minimum Payment 5  
2022, Minimum Payment 5  
2023, Minimum Payment 5  
Thereafter, Minimum Payment 73  
Total minimum lease payments [1] 98  
Amount representing imputed interest (39)  
Present value of minimum lease payment 59  
Current portion of capital lease obligationss (2)  
Non-current portion of capital lease obligations 57 $ 0
Non-lease Component of Capital Lease Obligations [Member]    
Capital Leased Assets [Line Items]    
Payments for non-lease components $ 98  
[1] Does not include payments for non-lease components of $98 million.