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WORLDWIDE PANDEMIC - Payroll Support Program (Details) - United States Department of Treasury - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 2 Months Ended | 5 Months Ended | 6 Months Ended | 14 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 30, 2021 | Sep. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2023
COVID - 19 |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Grant |  |  |  | $ 5,040 |
Promissory Note |  |  |  | 2,068 |
Warrants |  |  |  | 85 |
Total Payroll Support Proceeds |  |  |  | $ 7,193 |
Warrants (shares) as of December 31, 2023 |  |  |  |  | 4,935
PSP1 |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Grant |  | $ 2,337 |  |  |
Promissory Note |  | 976 |  |  |
Warrants |  | 40 |  |  |
Total Payroll Support Proceeds |  | $ 3,354 |  |  |
Warrants (shares) as of December 31, 2023 |  |  |  |  | 2,753
Strike price (in USD per share) |  |  |  |  | $ 35.45
PSP2 |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Grant |  |  | $ 1,393 |  |
Promissory Note |  |  | 566 |  |
Warrants |  |  | 27 |  |
Total Payroll Support Proceeds |  |  | $ 1,987 |  |
Warrants (shares) as of December 31, 2023 |  |  |  |  | 1,258
Strike price (in USD per share) |  |  |  |  | $ 44.99
PSP3 |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Grant | $ 1,310 |  |  |  |
Promissory Note | 526 |  |  |  |
Warrants | 18 |  |  |  |
Total Payroll Support Proceeds | $ 1,852 |  |  |  |
Warrants (shares) as of December 31, 2023 |  |  |  |  | 924
Strike price (in USD per share) |  |  |  |  | $ 56.88

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