Statements of Consolidated Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating revenue:
Operating revenue	$ 12,112	$ 5,471	$ 19,678	$ 8,692
Operating expense:
Salaries and related costs	2,836	2,276	5,623	4,500
Aircraft fuel	3,811	1,232	6,041	2,083
Landing fees and other rent	668	564	1,280	1,083
Depreciation and amortization	611	620	1,222	1,243
Regional capacity purchase	567	547	1,132	1,026
Aircraft maintenance materials and outside repairs	527	302	934	571
Distribution expenses	393	139	619	224
Aircraft rent	67	52	128	107
Special charges (credits)	112	(948)	104	(2,325)
Other operating expenses	1,642	957	3,093	1,831
Total operating expense	11,234	5,741	20,176	10,343
Operating income (loss)	878	(270)	(498)	(1,651)
Nonoperating income (expense):
Interest expense	(420)	(426)	(844)	(779)
Interest capitalized	22	22	46	39
Interest income	33	12	38	19
Unrealized gains (losses) on investments, net	(40)	147	(40)	125
Miscellaneous, net	(14)	(49)	5	(68)
Total nonoperating expense, net	(419)	(294)	(795)	(664)
Income (loss) before income tax expense (benefit)	459	(564)	(1,293)	(2,315)
Income tax expense (benefit)	130	(130)	(245)	(524)
Net income (loss)	329	(434)	(1,048)	(1,791)
United Airlines, Inc.
Operating revenue:
Operating revenue	12,112	5,471	19,678	8,692
Operating expense:
Salaries and related costs	2,836	2,276	5,623	4,500
Aircraft fuel	3,811	1,232	6,041	2,083
Landing fees and other rent	668	564	1,280	1,083
Depreciation and amortization	611	620	1,222	1,243
Regional capacity purchase	567	547	1,132	1,026
Aircraft maintenance materials and outside repairs	527	302	934	571
Distribution expenses	393	139	619	224
Aircraft rent	67	52	128	107
Special charges (credits)	112	(948)	104	(2,325)
Other operating expenses	1,642	956	3,092	1,830
Total operating expense	11,234	5,740	20,175	10,342
Operating income (loss)	878	(269)	(497)	(1,650)
Nonoperating income (expense):
Interest expense	(420)	(426)	(844)	(779)
Interest capitalized	22	22	46	39
Interest income	33	12	38	19
Unrealized gains (losses) on investments, net	(40)	147	(40)	125
Miscellaneous, net	(14)	(50)	5	(69)
Total nonoperating expense, net	(419)	(295)	(795)	(665)
Income (loss) before income tax expense (benefit)	459	(564)	(1,292)	(2,315)
Income tax expense (benefit)	129	(130)	(245)	(524)
Net income (loss)	330	(434)	(1,047)	(1,791)
Passenger revenue
Operating revenue:
Operating revenue	10,829	4,366	17,177	6,682
Passenger revenue | United Airlines, Inc.
Operating revenue:
Operating revenue	10,829	4,366	17,177	6,682
Cargo
Operating revenue:
Operating revenue	574	606	1,201	1,103
Cargo | United Airlines, Inc.
Operating revenue:
Operating revenue	574	606	1,201	1,103
Other operating revenue
Operating revenue:
Operating revenue	709	499	1,300	907
Other operating revenue | United Airlines, Inc.
Operating revenue:
Operating revenue	$ 709	$ 499	$ 1,300	$ 907