Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenue:
Total operating revenue	$ 50,582,000,000	$ 29,899,000,000	$ 17,095,000,000
Operating Expense:
Salaries and related costs	11,902,000,000	9,728,000,000	9,001,000,000
Aircraft fuel and related taxes	11,482,000,000	5,633,000,000	3,176,000,000
Ancillary businesses and refinery	5,756,000,000	3,957,000,000	1,785,000,000
Contracted services	3,345,000,000	2,420,000,000	1,953,000,000
Landing fees and other rents	2,181,000,000	2,019,000,000	1,833,000,000
Depreciation and amortization	2,107,000,000	1,998,000,000	2,312,000,000
Regional carrier expense	2,051,000,000	1,736,000,000	1,584,000,000
Aircraft maintenance materials and outside repairs	1,982,000,000	1,401,000,000	822,000,000
Passenger commissions and other selling expenses	1,891,000,000	953,000,000	643,000,000
Passenger service	1,453,000,000	756,000,000	551,000,000
Profit sharing	563,000,000	108,000,000	0
Aircraft rent	508,000,000	430,000,000	399,000,000
Restructuring charges	(124,000,000)	(19,000,000)	8,219,000,000
Government grant recognition	0	(4,512,000,000)	(3,946,000,000)
Other	1,824,000,000	1,405,000,000	1,232,000,000
Total operating expense	46,921,000,000	28,013,000,000	29,564,000,000
Operating Income/(Loss)	3,661,000,000	1,886,000,000	(12,469,000,000)
Non-Operating Expense:
Interest expense, net	(1,029,000,000)	(1,279,000,000)	(929,000,000)
Impairments and equity method results	(20,000,000)	(337,000,000)	(2,432,000,000)
Gain/(loss) on investments, net	(783,000,000)	56,000,000	(105,000,000)
Loss on extinguishment of debt	(100,000,000)	(319,000,000)	(8,000,000)
Pension and related benefit	292,000,000	451,000,000	219,000,000
Miscellaneous, net	(107,000,000)	(60,000,000)	137,000,000
Total non-operating expense, net	(1,747,000,000)	(1,488,000,000)	(3,118,000,000)
Income/(Loss) Before Income Taxes	1,914,000,000	398,000,000	(15,587,000,000)
Income Tax (Provision)/Benefit	(596,000,000)	(118,000,000)	3,202,000,000
Net Income/(Loss)	$ 1,318,000,000	$ 280,000,000	$ (12,385,000,000)
Basic Earnings/(Loss) Per Share (USD per share)	$ 2.07	$ 0.44	$ (19.49)
Diluted Earnings (Loss) Per Share (USD per share)	2.06	0.44	(19.49)
Cash Dividends Declared Per Share (USD per share)	$ 0	$ 0	$ 0.40
Passenger
Operating Revenue:
Total operating revenue	$ 40,218,000,000	$ 22,519,000,000	$ 12,883,000,000
Cargo
Operating Revenue:
Total operating revenue	1,050,000,000	1,032,000,000	608,000,000
Other
Operating Revenue:
Total operating revenue	$ 9,314,000,000	$ 6,348,000,000	$ 3,604,000,000