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Leases Maturity of Lease Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Current operating lease liabilities | $ 350 | $ 0
Finance lease, current maturities of long-term debt | 86 |
Noncurrent operating lease liabilities | 1,072 | $ 0
Finance lease, long-term debt less current maturities | 608 |
Operating Lease |  |
Remainder of 2019 | 210 |
2020 | 344 |
2021 | 213 |
2022 | 140 |
2023 | 110 |
Thereafter | 752 |
Total lease payments | 1,769 |
Less imputed interest | (347) |
Total lease obligations | 1,422 |
Current operating lease liabilities | 350 |
Noncurrent operating lease liabilities | 1,072 |
Finance Lease |  |
Remainder of 2019 | 55 |
2020 | 109 |
2021 | 104 |
2022 | 101 |
2023 | 97 |
Thereafter | 339 |
Total lease payments | 805 |
Less imputed interest | (111) |
Total lease obligations | 694 |
Finance lease, current maturities of long-term debt | 86 |
Finance lease, long-term debt less current maturities | $ 608 |

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