Statements of Consolidated Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating revenue:
Operating revenue	$ 2,489	$ 11,380	$ 11,943	$ 32,371
Operating expense:
Salaries and related costs	2,229	3,063	7,354	8,993
Aircraft fuel	508	2,296	2,474	6,704
Regional capacity purchase	425	721	1,550	2,124
Landing fees and other rent	500	645	1,552	1,893
Depreciation and amortization	626	575	1,859	1,682
Aircraft maintenance materials and outside repairs	115	490	659	1,319
Distribution expenses	53	432	379	1,234
Aircraft rent	50	67	147	221
Special charges (credit)	(1,081)	27	(2,467)	116
Other operating expenses	679	1,591	2,660	4,645
Total operating expenses	4,104	9,907	16,167	28,931
Operating income (loss)	(1,615)	1,473	(4,224)	3,440
Nonoperating income (expense):
Interest expense	(345)	(191)	(712)	(570)
Interest capitalized	16	22	54	65
Interest income	8	36	45	103
Unrealized gains (losses) on investments, net	15	21	(295)	72
Miscellaneous, net	(411)	(12)	(1,317)	(40)
Total nonoperating expense, net	(717)	(124)	(2,225)	(370)
Income (loss) before income taxes	(2,332)	1,349	(6,449)	3,070
Income tax expense (benefit)	(491)	325	(1,277)	702
Net income (loss)	$ (1,841)	$ 1,024	$ (5,172)	$ 2,368
Earnings (loss) per share, basic (in dollars per share)	$ (6.33)	$ 4.01	$ (18.91)	$ 9.07
Earnings (loss) per share, diluted (in dollars per share)	$ (6.33)	$ 3.99	$ (18.91)	$ 9.04
United Airlines, Inc.
Operating revenue:
Operating revenue	$ 2,489	$ 11,380	$ 11,943	$ 32,371
Operating expense:
Salaries and related costs	2,229	3,063	7,354	8,993
Aircraft fuel	508	2,296	2,474	6,704
Regional capacity purchase	425	721	1,550	2,124
Landing fees and other rent	500	645	1,552	1,893
Depreciation and amortization	626	575	1,859	1,682
Aircraft maintenance materials and outside repairs	115	490	659	1,319
Distribution expenses	53	432	379	1,234
Aircraft rent	50	67	147	221
Special charges (credit)	(1,081)	27	(2,467)	116
Other operating expenses	679	1,590	2,659	4,643
Total operating expenses	4,104	9,906	16,166	28,929
Operating income (loss)	(1,615)	1,474	(4,223)	3,442
Nonoperating income (expense):
Interest expense	(345)	(191)	(712)	(570)
Interest capitalized	16	22	54	65
Interest income	8	36	45	103
Unrealized gains (losses) on investments, net	15	21	(295)	72
Miscellaneous, net	(411)	(12)	(1,317)	(40)
Total nonoperating expense, net	(717)	(124)	(2,225)	(370)
Income (loss) before income taxes	(2,332)	1,350	(6,448)	3,072
Income tax expense (benefit)	(491)	326	(1,277)	703
Net income (loss)	(1,841)	1,024	(5,171)	2,369
Passenger revenue
Operating revenue:
Operating revenue	1,649	10,481	9,395	29,692
Passenger revenue | United Airlines, Inc.
Operating revenue:
Operating revenue	1,649	10,481	9,395	29,692
Cargo
Operating revenue:
Operating revenue	422	282	1,088	863
Cargo | United Airlines, Inc.
Operating revenue:
Operating revenue	422	282	1,088	863
Other operating revenue
Operating revenue:
Operating revenue	418	617	1,460	1,816
Other operating revenue | United Airlines, Inc.
Operating revenue:
Operating revenue	$ 418	$ 617	$ 1,460	$ 1,816