STATEMENTS OF CONSOLIDATED OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Operating revenue:
Passenger-Mainline	$ 6,944	$ 6,836	$ 12,898	$ 12,543
Passenger-Regional	1,824	1,734	3,378	3,144
Total passenger revenue	8,768	8,570	16,276	15,687
Cargo	265	316	529	599
Special revenue item		107		107
Other operating revenue	906	816	1,736	1,618
Total revenue	9,939	9,809	18,541	18,011
Operating expense:
Aircraft fuel	3,408	3,227	6,637	5,899
Salaries and related costs	2,024	1,916	3,921	3,722
Regional capacity purchase	643	615	1,259	1,188
Landing fees and other rent	503	502	972	975
Aircraft maintenance materials and outside repairs	432	444	839	883
Depreciation and amortization	378	385	758	773
Distribution expenses	345	375	682	725
Aircraft rent	251	252	502	505
Special charges (Note 10)	206	146	370	223
Other operating expenses	1,174	1,139	2,297	2,276
Total operating expenses	9,364	9,001	18,237	17,169
Operating income (loss)	575	808	304	842
Nonoperating income (expense):
Interest expense	(213)	(250)	(429)	(504)
Interest capitalized	9	8	17	14
Interest income	7	5	12	9
Miscellaneous, net	(38)	(29)	(11)	(30)
Total other income (expense)	(235)	(266)	(411)	(511)
Income (loss) before income taxes	340	542	(107)	331
Income tax expense (benefit)	1	4	2	6
Net income (loss)	339	538	(109)	325
Earnings (loss) per share, basic	$ 1.02	$ 1.63	$ (0.33)	$ 0.98
Earnings (loss) per share, diluted	$ 0.89	$ 1.39	$ (0.33)	$ 0.88
United Airlines Inc
Operating revenue:
Passenger-Mainline	3,695	3,718	6,853	6,805
Passenger-Regional	1,033	1,039	1,909	1,917
Total passenger revenue	4,728	4,757	8,762	8,722
Cargo	177	191	348	358
Special revenue item		88		88
Other operating revenue	570	534	1,140	1,078
Total revenue	5,475	5,570	10,250	10,246
Operating expense:
Aircraft fuel	1,929	1,833	3,771	3,345
Salaries and related costs	1,093	1,038	2,120	2,025
Regional capacity purchase	386	401	765	783
Landing fees and other rent	281	275	536	527
Aircraft maintenance materials and outside repairs	282	290	549	582
Depreciation and amortization	232	229	463	456
Distribution expenses	172	199	354	386
Aircraft rent	78	80	156	161
Special charges (Note 10)	176	90	272	164
Other operating expenses	762	698	1,488	1,372
Total operating expenses	5,391	5,133	10,474	9,801
Operating income (loss)	84	437	(224)	445
Nonoperating income (expense):
Interest expense	(136)	(159)	(273)	(327)
Interest capitalized	3	3	6	6
Interest income	2	3	5	5
Miscellaneous, net	(25)	(3)	(7)	(8)
Total other income (expense)	(156)	(156)	(269)	(324)
Income (loss) before income taxes	(72)	281	(493)	121
Income tax expense (benefit)	(1)		1
Net income (loss)	(71)	281	(494)	121
Continental Airlines Inc
Operating revenue:
Passenger-Mainline	3,249	3,116	6,045	5,735
Passenger-Regional	791	696	1,469	1,227
Total passenger revenue	4,040	3,812	7,514	6,962
Cargo	89	126	181	241
Special revenue item		19		19
Other operating revenue	459	327	815	620
Total revenue	4,588	4,284	8,510	7,842
Operating expense:
Aircraft fuel	1,479	1,394	2,866	2,554
Salaries and related costs	902	864	1,749	1,669
Regional capacity purchase	258	214	495	406
Landing fees and other rent	222	228	436	448
Aircraft maintenance materials and outside repairs	162	154	308	303
Depreciation and amortization	146	156	295	317
Distribution expenses	173	177	328	340
Aircraft rent	172	173	346	345
Special charges (Note 10)	30	56	98	59
Other operating expenses	550	494	1,055	998
Total operating expenses	4,094	3,910	7,976	7,439
Operating income (loss)	494	374	534	403
Nonoperating income (expense):
Interest expense	(80)	(88)	(160)	(171)
Interest capitalized	6	4	11	8
Interest income	3	2	6	4
Miscellaneous, net	19	(28)	42	(35)
Total other income (expense)	(52)	(110)	(101)	(194)
Income (loss) before income taxes	442	264	433	209
Income tax expense (benefit)	2	2	1	4
Net income (loss)	$ 440	$ 262	$ 432	$ 205