Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets
Cash	$ 504	$ 280
Short-term investments	3,714	3,714
Restricted cash and short-term investments	847	738
Receivables, net	1,141	883
Inventories, net	564	583
Fuel derivative contracts	98	97
Other current assets	374	401
Total current assets	7,242	6,696
Equipment and Property
Flight Equipment Owned, Net	10,369	10,909
Other equipment and property, net	2,048	2,108
Purchase deposits for flight equipment	764	746
Equipment and property, net	13,181	13,763
Equipment and Property Under Capital Leases
Flight equipment, net	236	322
Other equipment and property, net	62	70
Equipment and property under capital leases, net	298	392
International slots and route authorities	708	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization, net	167	183
Other assets	2,087	1,847
Total Assets	23,683	23,589
Current Liabilities
Accounts payable	1,247	981
Accrued liabilities	1,934	1,795
Air traffic liability	4,730	4,223
Payable to affiliates, net	2,738	2,644
Current maturities of long-term debt	1,508	1,518
Current obligations under capital leases	36	0
Total current liabilities	12,193	11,161
Long-term debt, less current maturities	6,125	6,729
Obligations under capital leases, less current obligations	392	0
Pension and postretirement benefits	76	9,204
Other liabilities, deferred gains and deferred credits	1,658	1,580
Liabilities Subject to Compromise	12,599	3,952
Stockholders' Equity (Deficit)
Common stock	0	0
Additional paid-in capital	4,465	4,455
Accumulated other comprehensive income (loss)	(2,211)	(4,075)
Accumulated deficit	(11,614)	(9,417)
Total stockholders' equity	(9,360)	(9,037)
Total Liabilities and Stockholders' Equity (Deficit)	$ 23,683	$ 23,589