Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Employee Benefit Plans [Abstract]

Components Of Net Periodic Benefit Cost

	Pension Benefits						Other Postretirement Benefits
	Three Months Ended March 31,						Three Months Ended March 31,
	2012			2011			2012			2011
UAL
Service cost	$	25		$	21		$	13		$	12
Interest cost		46			44			31			31
Expected return on plan assets		(35	)		(34	)		(1	)		(1	)
Amortization of unrecognized (gain) loss and prior service cost		5			(5	)		(1	)		—
Net periodic benefit costs	$	41		$	26		$	42		$	42
United
Service cost	$	2		$	1		$	9		$	9
Interest cost		2			2			27			28
Expected return on plan assets		(3	)		(2	)		(1	)		(1	)
Amortization of unrecognized gain and prior service cost		—			—			(1	)		—
Net periodic benefit costs	$	1		$	1		$	34		$	36
Continental
Service cost	$	23		$	20		$	4		$	3
Interest cost		44			42			4			3
Expected return on plan assets		(32	)		(32	)		—			—
Amortization of unrecognized (gain) loss and prior service cost		5			(5	)		—			—
Net periodic benefit costs	$	40		$	25		$	8		$	6

Share-Based Compensation Expense

	Three Months Ended March 31,
	2012		2011
Share-based compensation expense (a)	$	15	$	13

	March 31, 2012		December 31, 2011
Unrecognized share-based compensation expense	$	49	$	43

(a) Includes $4 million and $3 million of expense recognized in integration-related costs for three months ended March 31, 2012 and 2011, respectively.