Statements of Consolidated Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Operating revenue:
Passenger-Mainline	$ 7,025	$ 6,993	$ 19,792	$ 19,891
Passenger-Regional	1,893	1,781	5,353	5,159
Total passenger revenue	8,918	8,774	25,145	25,050
Cargo	199	246	662	775
Other operating revenue	1,111	889	3,143	2,625
Total revenue	10,228	9,909	28,950	28,450
Operating expense:
Aircraft fuel	3,262	3,406	9,380	10,043
Salaries and related costs	2,209	2,038	6,511	5,959
Regional capacity purchase	621	628	1,837	1,887
Landing fees and other rent	540	504	1,544	1,476
Aircraft maintenance materials and outside repairs	472	469	1,390	1,308
Depreciation and amortization	435	379	1,268	1,137
Distribution expenses	377	356	1,052	1,038
Aircraft rent	231	245	706	747
Special charges	211	514	355	884
Other operating expenses	1,362	1,170	3,893	3,467
Total operating expenses	9,720	9,709	27,936	27,946
Operating income	508	200	1,014	504
Nonoperating income (expense):
Interest expense	(195)	(202)	(590)	(631)
Interest capitalized	12	9	35	26
Interest income	5	4	16	16
Miscellaneous, net	52	4	(48)	(7)
Total other income (expense)	(126)	(185)	(587)	(596)
Income (loss) before income taxes	382	15	427	(92)
Income tax expense (benefit)	3	9	(4)	11
Net income (loss)	379	6	431	(103)
Earnings (loss) per share, basic	$ 1.06	$ 0.02	$ 1.25	$ (0.31)
Earnings (loss) per share, diluted	$ 0.98	$ 0.02	$ 1.15	$ (0.31)
United Airlines, Inc.
Operating revenue:
Passenger-Mainline	7,025	6,993	19,792	19,891
Passenger-Regional	1,893	1,781	5,353	5,159
Total passenger revenue	8,918	8,774	25,145	25,050
Cargo	199	246	662	775
Other operating revenue	1,113	893	3,149	2,632
Total revenue	10,230	9,913	28,956	28,457
Operating expense:
Aircraft fuel	3,262	3,406	9,380	10,043
Salaries and related costs	2,209	2,038	6,511	5,959
Regional capacity purchase	621	628	1,837	1,887
Landing fees and other rent	540	504	1,544	1,476
Aircraft maintenance materials and outside repairs	472	469	1,390	1,308
Depreciation and amortization	435	379	1,268	1,137
Distribution expenses	377	356	1,052	1,038
Aircraft rent	231	245	706	747
Special charges	211	514	355	884
Other operating expenses	1,362	1,170	3,892	3,465
Total operating expenses	9,720	9,709	27,935	27,944
Operating income	510	204	1,021	513
Nonoperating income (expense):
Interest expense	(195)	(204)	(586)	(637)
Interest capitalized	12	9	35	26
Interest income	5	4	16	16
Miscellaneous, net	50	(29)	18	6
Total other income (expense)	(128)	(220)	(517)	(589)
Income (loss) before income taxes	382	(16)	504	(76)
Income tax expense (benefit)	4	9	4	11
Net income (loss)	$ 378	$ (25)	$ 500	$ (87)