Quarterly report pursuant to Section 13 or 15(d)

Leases - Undiscounted Cash Flows (Details)

v3.19.3
Leases - Undiscounted Cash Flows (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Dec. 31, 2018
Leases [Abstract]      
Finance lease, amortization $ 1 $ 4  
Operating Lease, Cost 2 5  
Operating Leases      
Remainder of 2019 2 2  
2020 7 7  
2021 6 6  
2022 5 5  
2023 3 3  
2024 3 3  
Thereafter 13 13  
Total minimum lease payments 39 39  
Less: amount of lease payments representing interest 6 6  
Present value of future minimum lease payments 33 33  
Less: current obligations under leases 6 6  
Long-term lease obligations 27 27  
Finance Lease, Liability, Payment, Due [Abstract]      
2019 2 2  
2020 7 7  
2021 7 7  
2022 7 7  
2023 7 7  
2024 7 7  
Thereafter 38 38  
Total minimum lease payments 75 75  
Less: amount of lease payments representing interest 14 14  
Present value of future minimum lease payments 61 61 $ 65
Less: current obligations under leases 5 5  
Long-term lease obligations $ 56 $ 56 $ 59