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Leases - Maturity Analysis of Finance and Operating Lease Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Finance Leases, After Adoption of 842: |  |
2021 | $ 10 |
2022 | 0 |
Total lease payments | 10 |
Less imputed interest | (1) |
Finance, present value of lease liabilities | 9 | $ 18
Less current maturities | (9) | (9)
Present value of lease liabilities, less current maturities | 0 | 9
Operating Leases, After Adoption of 842: |  |
2021 | 28 |
2022 | 2 |
Total lease payments | 30 |
Less imputed interest | (1) |
Operating, present value of lease liabilities | 29 | 25
Less current maturities | (27) | (9)
Present value of lease liabilities, less current maturities | $ 2 | $ 16

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