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Loss Per Share - Summary of Warrants Outstanding (Details) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($) $ / shares shares
Class of Warrant or Right [Line Items] |
Number of shares of common stock (in shares) | 8.2
PSP1 Note | Unsecured Debt |
Class of Warrant or Right [Line Items] |
Term of debt | 10 years
Face amount | $ | $ 1,500
PSP1 Warrants |
Class of Warrant or Right [Line Items] |
Number of shares of common stock (in shares) | 4.8
Exercise price (in dollars per share) | $ / shares | $ 31.50
CARES Act Loan Warrants |
Class of Warrant or Right [Line Items] |
Number of shares of common stock (in shares) | 1.7
Exercise price (in dollars per share) | $ / shares | $ 31.50
PSP2 Warrants |
Class of Warrant or Right [Line Items] |
Number of shares of common stock (in shares) | 1.7
Exercise price (in dollars per share) | $ / shares | $ 43.26

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + 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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