Annual report pursuant to Section 13 and 15(d)

Leases - Lease Maturity (Details)

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Leases - Lease Maturity (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Operating Leases    
2020 $ 6  
2021 5  
2022 4  
2023 3  
2024 3  
Thereafter 14  
Total minimum lease payments 35  
Less: amount of lease payments representing interest 6  
Present value of future minimum lease payments 29  
Less: current obligations under leases 5 $ 0
Long-term lease obligations 24  
Finance Leases    
2020 7  
2021 7  
2022 7  
2023 7  
2024 7  
Thereafter 39  
Total minimum lease payments 74  
Less: amount of lease payments representing interest 14  
Present value of future minimum lease payments 60 65
Less: current obligations under leases 5  
Long-term lease obligations $ 55 $ 59