Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Loss Per Share [Abstract]

Computation Of Earnings Per Share

	Three Months Ended March 31,
	2012			2011
UAL basic and diluted loss per share:
Loss available to common stockholders	$	(448	)	$	(213	)
Weighted average shares outstanding, basic and diluted		330			328
Loss per share, basic and diluted	$	(1.36	)	$	(0.65	)
UAL potentially dilutive shares excluded from diluted per share amounts:
Restricted stock and units and stock options		7			9
Continental 6% convertible junior subordinated debentures		4			4
UAL 6% senior convertible notes		40			40
UAL 4.5% senior limited-subordination convertible notes		5			22
Continental 4.5% convertible notes		12			12