Condensed Consolidated Statements of Operations and Comprehensive Income/(Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating Revenue:
Total operating revenue	$ 9,154	$ 3,062	$ 20,429	$ 13,122
Operating Expense:
Salaries and related costs	2,566	2,012	7,096	7,000
Aircraft fuel and related taxes	1,552	486	4,056	2,453
Ancillary businesses and refinery	1,079	561	2,724	1,181
Contracted services	634	419	1,723	1,536
Depreciation and amortization	501	545	1,494	1,813
Landing fees and other rents	524	458	1,477	1,430
Regional carrier expense	453	290	1,258	1,204
Aircraft maintenance materials and outside repairs	433	106	1,014	618
Passenger commissions and other selling expenses	308	100	640	548
Passenger service	226	92	520	456
Aircraft rent	105	99	313	295
Restructuring charges	33	5,345	(3)	7,798
Government grant recognition	(1,822)	(1,315)	(4,512)	(2,595)
Other	357	250	1,006	996
Total operating expense	6,949	9,448	18,806	24,733
Operating Income/(Loss)	2,205	(6,386)	1,623	(11,611)
Non-Operating Expense:
Interest expense, net	(314)	(291)	(1,014)	(564)
Impairments and equity method losses	(49)	(114)	(102)	(2,432)
Gain/(loss) on investments, net	(223)	(95)	251	(199)
Loss on extinguishment of debt	(183)	0	(266)	0
Miscellaneous, net	96	27	301	327
Total non-operating expense, net	(673)	(473)	(830)	(2,868)
Income/(Loss) Before Income Taxes	1,532	(6,859)	793	(14,479)
Income Tax (Provision)/Benefit	(320)	1,480	(105)	2,849
Net Income/(Loss)	$ 1,212	$ (5,379)	$ 688	$ (11,630)
Basic Earnings/(Loss) Per Share (USD per share)	$ 1.90	$ (8.47)	$ 1.08	$ (18.30)
Diluted Earnings/(Loss) Per Share (USD per share)	1.89	(8.47)	1.07	(18.30)
Cash Dividends Declared Per Share (USD per share)	$ 0	$ 0	$ 0	$ 0.40
Comprehensive Income/(Loss)	$ 1,294	$ (5,381)	$ 926	$ (11,580)
Passenger
Operating Revenue:
Total operating revenue	7,191	1,938	15,278	10,185
Cargo
Operating Revenue:
Total operating revenue	262	142	728	403
Other
Operating Revenue:
Total operating revenue	$ 1,701	$ 982	$ 4,423	$ 2,534