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Leases - Maturities of lease liabilities (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($)
Finance Leases |
Remainder of 2019 | $ 17
2020 | 15
2021 | 11
2022 | 11
2023 | 11
After 2023 | 40
Total | 105
Less: Amounts representing interest | (5)
Present value of future minimum lease payments | 100
Less: Current obligations | 16
Long-term obligations | 84
Operating Leases |
Remainder of 2019 | 209
2020 | 211
2021 | 137
2022 | 100
2023 | 71
After 2023 | 121
Total | 849
Less: Amounts representing interest | (63)
Present value of future minimum lease payments | 786
Current operating lease liabilities | 255
Noncurrent operating lease liabilities | $ 531

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