Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment Information [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

2011	UAL		United		Continental Successor		Continental Predecessor
Domestic (U.S. and Canada)	$	21,922	$	13,048	$	9,094
Pacific		5,404		3,845		1,559
Atlantic		6,675		3,483		3,192
Latin America		3,109		779		2,330
Total	$	37,110	$	21,155	$	16,175
2010
Domestic (U.S. and Canada)	$	14,382	$	12,407	$	1,991	$	5,870
Pacific		3,971		3,600		371		1,080
Atlantic		3,912		3,212		700		2,299
Latin America		1,060		559		501		1,539
Total	$	23,325	$	19,778	$	3,563	$	10,788
2009
Domestic (U.S. and Canada)	$	10,775	$	10,799			$	7,152
Pacific		2,628		2,628				1,137
Atlantic		2,538		2,538				2,498
Latin America		394		394				1,836
Total	$	16,335	$	16,359			$	12,623