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Leases and Capacity Purchase Agreements (Tables) | 12 Months Ended
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Dec. 31, 2017
Future Minimum Lease Payments for Capital and Operating Leases | At December 31, 2017, United’s scheduled future minimum lease payments under operating leases having initial or remaining noncancelable lease terms of more than one year, aircraft leases, including aircraft rent under CPAs and capital leases (substantially all of which are for aircraft) were as follows (in millions):
|  | Capital Leases (a) |  |  | Facility and Other Operating Leases |  |  | Aircraft Operating Leases |
2018 |  | $ | 200 |  |  | $ | 1,234 |  |  | $ | 1,038 |
2019 |  |  | 133 |  |  |  | 1,075 |  |  |  | 855 |
2020 |  |  | 113 |  |  |  | 1,169 |  |  |  | 628 |
2021 |  |  | 110 |  |  |  | 935 |  |  |  | 510 |
2022 |  |  | 105 |  |  |  | 797 |  |  |  | 388 |
After 2022 |  |  | 1,156 |  |  |  | 6,109 |  |  |  | 1,513 |
Minimum lease payments |  | $ | 1,817 |  |  | $ | 11,319 |  |  | $ | 4,932 |
Imputed interest |  |  | (693) |  |  |  |  |  |  |  |  |
Present value of minimum lease payments |  |  | 1,124 |  |  |  |  |  |  |  |  |
Current portion |  |  | (128) |  |  |  |  |  |  |  |  |
Long-term obligations under capital leases |  | $ | 996 |  |  |  |  |  |  |  |  |
(a) Includes airport construction projects managed by United in which United has construction risk, including project cost overruns. The Company recorded an asset for project costs and a related liability equal to project costs funded by parties other than United. As of December 31, 2017, United had an asset balance of $814 million recorded in operating property and equipment and $777 million recorded in current and long-term obligations under capital leases for these airport construction projects.
Future Lease Payment Under Terms of Capacity Purchase Agreement | Based on these assumptions as of December 31, 2017, our future payments through the end of the terms of our CPAs are presented in the table below (in billions):
2018 |  | $ | 2.0 |
2019 |  |  | 1.8 |
2020 |  |  | 1.6 |
2021 |  |  | 1.5 |
2022 |  |  | 1.4 |
After 2022 |  |  | 3.2 |
|  | $ | 11.5 |

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- Definition Schedule Of Future Minimum Lease Payments For Capital And Operating Leases. + References No definition available. + Details
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