Quarterly report pursuant to Section 13 or 15(d)

Leases - Undiscounted Cash Flows (Details)

v3.19.1
Leases - Undiscounted Cash Flows (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Operating Leases    
Remainder of 2019 $ 4  
2020 4  
2021 3  
2022 2  
2023 0  
2024 0  
Thereafter 0  
Total minimum lease payments 13  
Less: amount of lease payments representing interest 1  
Present value of future minimum lease payments 12  
Less: current obligations under leases 4  
Long-term lease obligations 8  
Finance Lease Liabilities, Payments, Due [Abstract]    
2019 6  
2020 7  
2021 7  
2022 7  
2023 7  
2024 7  
Thereafter 38  
Total minimum lease payments 79  
Less: amount of lease payments representing interest 15  
Present value of future minimum lease payments 64 $ 65
Less: current obligations under leases 5  
Long-term lease obligations $ 59 $ 59