Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets
Cash	$ 604	$ 480
Short-term investments	5,606	3,412
Restricted cash and short-term investments	863	850
Receivables, net	1,376	1,124
Inventories, net	589	580
Fuel derivative contracts	21	65
Other current assets	576	561
Total current assets	9,635	7,072
Equipment and Property
Flight equipment, net	10,510	10,310
Other equipment and property, net	2,083	2,099
Purchase deposits for flight equipment	696	710
Equipment and property, net	13,289	13,119
Equipment and Property Under Capital Leases
Flight equipment, net	202	222
Other equipment and property, net	59	61
Equipment and property under capital leases, net	261	283
International slots and route authorities	710	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization, net	149	161
Other assets	2,172	2,167
Total Assets	26,216	23,510
Current Liabilities
Accounts payable	1,507	1,244
Accrued liabilities	2,170	2,117
Air traffic liability	5,665	4,524
Current maturities of long-term debt	1,298	1,388
Current obligations under capital leases	29	31
Total current liabilities	10,669	9,304
Long-term debt, less current maturities	7,987	6,735
Obligations under capital leases, less current obligations	367	381
Pension and postretirement benefits	6,702	6,780
Other liabilities, deferred gains and deferred credits	1,860	1,691
Liabilities Subject to Compromise	6,847	6,606
Stockholders’ Equity (Deficit)
Preferred stock	0	0
Common stock	341	341
Additional paid-in capital	4,484	4,481
Treasury stock	(367)	(367)
Accumulated other comprehensive income (loss)	(3,090)	(2,980)
Accumulated deficit	(9,584)	(9,462)
Total stockholders' equity	(8,216)	(7,987)
Total Liabilities and Stockholders' Equity (Deficit)	$ 26,216	$ 23,510