Financial Instruments And Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2011

Financial Instruments And Fair Value Measurements [Abstract]

Financial Assets And Liabilities Measured On A Recurring Basis

		00000000			00000000		00000000			00000000		00000000			00000000		00000000			00000000
	September 30, 2011										December 31, 2010
	Total			Level 1		Level 2			Level 3		Total			Level 1		Level 2			Level 3
	UAL
Cash and cash equivalents	$	6,984		$	6,984	$	—		$	—	$	8,069		$	8,069	$	—		$	—
Short-term investments:
Auction rate securities		121			—		—			121		119			—		—			119
CDARS		276			276		—			—		45			45		—			—
Asset-backed securities		411			411		—			—		258			258		—			—
Corporate debt		474			474		—			—		135			135		—			—
U.S. government and agency notes		25			25		—			—		39			39		—			—
Other fixed income securities		66			66		—			—		15			15		—			—
EETC		60			—		—			60		66			—		—			66
Fuel derivatives, net		(75	)		—		(75	)		—		375			—		375			—
Foreign currency derivatives		(3	)		—		(3	)		—		(7	)		—		(7	)		—
Restricted cash (a)		135			135		—			—		160			160		—			—

		00000000			00000000		00000000			00000000		00000000		00000000		00000000		00000000
	United (a)
Cash and cash equivalents	$	4,070		$	4,070	$	—		$	—	$	4,665	$	4,665	$	—	$	—
Short-term investments:
Asset-backed securities		31			31		—			—		—		—		—		—
Corporate debt		137			137		—			—		—		—		—		—
U.S. government and agency notes		2			2		—			—		—		—		—		—
Other fixed income securities		16			16		—			—		—		—		—		—
EETC		60			—		—			60		66		—		—		66
Fuel derivatives, net		(48	)		—		(48	)		—		277		—		277		—

		00000000			00000000		00000000			00000000			00000000			00000000		00000000			00000000
	Continental
Cash and cash equivalents	$	2,908		$	2,908	$	—		$	—		$	3,398		$	3,398	$	—		$	—
Short-term investments:
Auction rate securities		121			—		—			121			119			—		—			119
CDARS		276			276		—			—			45			45		—			—
Asset-backed securities		380			380		—			—			258			258		—			—
Corporate debt		337			337		—			—			135			135		—			—
U.S. government and agency notes		23			23		—			—			39			39		—			—
Other fixed income securities		50			50		—			—			15			15		—			—
Fuel derivatives, net		(27	)		—		(27	)		—			98			—		98			—
Foreign currency derivatives		(3	)		—		(3	)		—			(7	)		—		(7	)		—
Restricted cash		135			135		—			—			160			160		—			—
Convertible debt derivative asset		199			—		—			199			286			—		—			286
Convertible debt option liability		(103	)		—		—			(103	)		(164	)		—		—			(164	)

(a) United's restricted cash is recorded at cost.

Activity For Level Three Financial Assets And Financial Liabilities

	Three Months Ended September 30,
	2011						2010
UAL (a)	Auction Rate Securities			EETC			EETC
Balance at June 30	$	121		$	65		$	61
Settlements		—			(2	)		(2	)
Reported in earnings—unrealized		1			—			—
Reported in other comprehensive income		(1	)		(3	)		4
Balance at September 30	$	121		$	60		$	63

(a) For 2010, amounts also represent United. For 2011, United's only Level Three recurring measurements are the above EETCs.

	Nine Months Ended September 30,
	2011					2010
UAL (a)	Auction Rate Securities		EETC			EETC
Balance at January 1	$	119	$	66		$	51
Settlements		—		(4	)		(4	)
Reported in earnings—unrealized		2		—			—
Reported in other comprehensive income		—		(2	)		16
Balance at September 30	$	121	$	60		$	63

(a) For 2010, amounts also represent United. For 2011, United's only Level Three recurring measurements are the above EETCs.

Carrying Values And Estimated Fair Values Of Financial Instruments

	September 30, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
UAL debt	$	12,074	$	12,151	$	13,845	$	14,995
United debt		5,826		5,565		7,026		7,350
Continental Successor debt		5,835		5,717		6,401		6,663