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v3.20.1

Long-term Debt, Short-term Borrowings and Finance Lease Obligations (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Apr. 22, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |
Reduction in outstanding debt and capital lease obligations | $ 102 |  |
Value of aircraft, engines and other equipment and facilities which were pledged as security under various loan agreements | 5,600 |  |
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year | 235 |  |
Long-term debt, maturities, repayments of principal in Year Two | 1,300 |  |
Long-term debt, maturities, repayments of principal in Year Three | 319 |  |
Long-term debt, maturities, repayments of principal in Year Four | 298 |  |
Long-term debt, maturities, repayments of principal in Year Five | 169 |  |
Long-term debt, maturities, repayments of principal after Year Five | 867 |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 2,151 |  | $ 2,245
Estimated Fair Value, Total | 1,886 |  | 2,367
Public Debt Fixed Rate Special Facility Bonds Due Through Two Thousand Thirty Six [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 42 |  | 42
Estimated Fair Value, Total | 39 |  | 46
Fixed rate enhanced equipment notes, due through 2032 [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 581 |  | 581
Estimated Fair Value, Total | 409 |  | 586
Fixed rate enhanced equipment notes, due through 2028 [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 181 |  | 181
Estimated Fair Value, Total | 144 |  | 186
Non Public Debt Fixed Rate Enhanced Equipment Notes Due Through Two Thousand And Twenty Three [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 125 |  | 133
Estimated Fair Value, Total | 124 |  | 141
Non Public Debt Floating Rate Equipment Notes Due Through Two Thousand And Twenty Eight [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 187 |  | 201
Estimated Fair Value, Total | 169 |  | 207
Non Public Debt Fixed Rate Equipment Notes Due Through Two Thousand Twenty Eight [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Carrying Value, Total | 1,035 |  | 1,107
Estimated Fair Value, Total | 1,001 |  | 1,201
Citibank [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Line of Credit, Current | 0 |  | 0
Morgan Stanley [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 200 |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Line of Credit, Current | $ 0 |  | $ 0
London Interbank Offered Rate (LIBOR) [Member] | Citibank [Member] | Line of Credit [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Description of Variable Rate Basis | LIBOR, plus a margin |  |
London Interbank Offered Rate (LIBOR) [Member] | Morgan Stanley [Member] | Line of Credit [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Description of Variable Rate Basis | LIBOR, plus a margin |  |
Short-term Debt [Member] | Morgan Stanley [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Debt Instrument, Face Amount | $ 1,000 |  |
Short-term Debt [Member] | London Interbank Offered Rate (LIBOR) [Member] | Morgan Stanley [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Description of Variable Rate Basis | LIBOR (but not less than 1% per annum), plus a margin |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |
Subsequent Event [Member] | Citibank [Member] |  |  |
Carrying amounts and estimated fair values of long-term debt |  |  |
Line of Credit, Current |  | $ 550 |

X
- Definition The carrying amount, as of the date of the latest financial statement presented, of flight equipment which are owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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- Definition Scheduled maturities, after Year 5, short-term borrowings, long-term debt, and finance lease obligations + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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