XML 69 R38.htm IDEA: XBRL DOCUMENT
v3.8.0.1

COMMITMENTS (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) aircraft | Mar. 31, 2017 USD ($)
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Rent Expense | $ 153 | $ 138
B-737 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Committed to Purchase (in Aircraft) | aircraft | 43 |
Options to Purchase Additional (in Aircraft) | aircraft | 37 |
B737-900ER [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Committed to Purchase (in Aircraft) | aircraft | 11 |
B737 MAX [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Committed to Purchase (in Aircraft) | aircraft | 32 |
Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required, Number Converted to MAX 9 | aircraft | 15 |
A320neo [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Unrecorded Unconditional Purchase Obligation, Option to Cancel | aircraft | 30 |
E175 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Committed to Purchase (in Aircraft) | aircraft | 22 |
Options to Purchase Additional (in Aircraft) | aircraft | 30 |
Property Subject to Operating Lease [Member] | B-737 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of units involved in lease contracts | aircraft | 10 |
Property Subject to Operating Lease [Member] | Airbus [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of units involved in lease contracts | aircraft | 59 |
Property Subject to Operating Lease [Member] | Q400 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of units involved in lease contracts | aircraft | 15 |
Property Subject to Operating Lease [Member] | E175 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of units involved in lease contracts | aircraft | 25 |
Property Available for Operating Lease [Member] | A321neo [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of optional additional units | aircraft | 4 |
Property Available for Operating Lease [Member] | E175 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of optional additional units | aircraft | 10 |
Capacity Purchase Agreement with SkyWest [Member] | E175 [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Number of optional additional units | aircraft | 8 |
Aircraft Maintenance Deposits [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Remainder of 2018 | $ 60 |
2019 | 65 |
2020 | 68 |
2021 | 64 |
2022 | 52 |
Thereafter | 38 |
Total | 347 |
Aircraft Commitments [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Remainder of 2018 | 610 |
2019 | 560 |
2020 | 514 |
2021 | 562 |
2022 | 303 |
Thereafter | 141 |
Total | 2,690 |
Capacity Purchase Agreements [Member] |  |
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |
Remainder of 2018 | 100 |
2019 | 151 |
2020 | 159 |
2021 | 166 |
2022 | 174 |
Thereafter | 1,205 |
Total | 1,955 |
Aircraft Leases [Member] |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |
Remainder of 2018 | 265 |
2019 | 356 |
2020 | 330 |
2021 | 287 |
2022 | 264 |
Thereafter | 1,037 |
Total | 2,539 |
Facility Leases [Member] |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |
Remainder of 2018 | 58 |
2019 | 68 |
2020 | 61 |
2021 | 52 |
2022 | 33 |
Thereafter | 141 |
Total | $ 413 |

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