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v3.21.1

Debt - Narrative (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Apr. 21, 2021 | Mar. 31, 2021
Debt Instrument [Line Items] |  |
Unamortized debt discount |  | $ 533,000,000
Term Loan Facility | Secured Debt |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount outstanding |  | 1,400,000,000
Term Loan Facility | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | $ 1,400,000,000 |
PSP2 Note | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Face amount |  | $ 753,000,000
Term of debt |  | 10 years
PSP2 Note | Years 1 through 5 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Stated interest rate |  | 1.00%
PSP2 Note | Years 6 through 10 | Unsecured Debt | SOFR |  |
Debt Instrument [Line Items] |  |
Percent spread on variable rate |  | 2.00%
2026 Notes and 2029 Notes | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | 4,000,000,000.0 |
2026 Notes | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | $ 2,000,000,000.0 |
Stated interest rate | 4.375% |
Issuance price as a percent of principal amount | 100.00% |
2029 Notes | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | $ 2,000,000,000.0 |
Stated interest rate | 4.625% |
Issuance price as a percent of principal amount | 100.00% |
Term Loan B Facility due 2028 | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | $ 5,000,000,000.0 |
Quarterly installment repayment as a percent of the original principal amount | 0.25% |
Term Loan B Facility due 2028 | Secured Debt | LIBOR | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Percent spread on variable rate | 3.75% |
Interest rate floor | 0.75% |
CARES Act Term Loan Facility | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | $ 520,000,000 |
Revolving Credit Facility | Senior Secured Revolving Credit Facility due 2025 | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 1,750,000,000 |
Commitment fee percentage | 0.75% |
Revolving Credit Facility | Senior Secured Revolving Credit Facility due 2025 | Secured Debt | LIBOR | Subsequent Event | Minimum |  |
Debt Instrument [Line Items] |  |
Percent spread on variable rate | 3.00% |
Revolving Credit Facility | Senior Secured Revolving Credit Facility due 2025 | Secured Debt | LIBOR | Subsequent Event | Maximum |  |
Debt Instrument [Line Items] |  |
Percent spread on variable rate | 3.50% |
Revolving Credit Facility | Credit Agreement | Secured Debt | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Face amount | $ 1,000,000,000.0 |
Revolving Credit Facility | United Airlines, Inc. | Secured Debt |  |
Debt Instrument [Line Items] |  |
Available under revolving credit facility |  | $ 1,000,000,000.0
Aggregate principal amount outstanding |  | $ 1,000,000,000.0

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + 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)(1) -URI http://asc.fasb.org/extlink&oid=120520924&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(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: 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=120391452&loc=d3e13212-122682 Reference 4: 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=120398452&loc=d3e534808-122878 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions 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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: 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=120398452&loc=d3e534808-122878 Reference 3: 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(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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