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