Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets
Cash	$ 367	$ 280
Short-term investments	4,605	3,714
Restricted cash and short-term investments	772	738
Receivables, net	1,113	883
Inventories, net	562	583
Fuel derivative contracts	24	97
Other current assets	485	401
Total current assets	7,928	6,696
Equipment and Property
Flight Equipment Owned, Net	10,510	10,909
Other equipment and property, net	2,059	2,108
Purchase deposits for flight equipment	759	746
Equipment and property, net	13,328	13,763
Equipment and Property Under Capital Leases
Flight equipment, net	247	322
Other equipment and property, net	66	70
Equipment and property under capital leases, net	313	392
International slots and route authorities	708	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization, net	173	183
Other assets	2,035	1,847
Total Assets	24,485	23,589
Current Liabilities
Accounts payable	1,328	981
Accrued liabilities	1,810	1,795
Air traffic liability	5,151	4,223
Payable to affiliates, net	2,711	2,644
Current maturities of long-term debt	1,598	1,518
Current obligations under capital leases	56	0
Total current liabilities	12,654	11,161
Long-term debt, less current maturities	6,351	6,729
Obligations under capital leases, less current obligations	393	0
Pension and postretirement benefits	77	9,204
Other liabilities, deferred gains and deferred credits	1,686	1,580
Liabilities Subject to Compromise	14,258	3,952
Stockholders' Equity (Deficit)
Common stock	0	0
Additional paid-in capital	4,464	4,455
Accumulated other comprehensive income (loss)	(4,041)	(4,075)
Accumulated deficit	(11,357)	(9,417)
Total stockholders' equity	(10,934)	(9,037)
Total Liabilities and Stockholders' Equity (Deficit)	$ 24,485	$ 23,589