Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets
Cash	$ 599	$ 474
Short-term investments	5,604	3,408
Restricted cash and short-term investments	863	850
Receivables, net	1,357	1,105
Inventories, net	561	550
Fuel derivative contracts	21	65
Other current assets	582	559
Total current assets	9,587	7,011
Equipment and Property
Flight equipment, net	10,391	10,185
Other equipment and property, net	2,065	2,081
Purchase deposits for flight equipment	696	710
Equipment and property, net	13,152	12,976
Equipment and Property Under Capital Leases
Flight equipment, net	201	222
Other equipment and property, net	58	60
Equipment and property under capital leases, net	259	282
International slots and route authorities	710	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization, net	149	161
Other assets	2,132	2,126
Total Assets	25,989	23,264
Current Liabilities
Accounts payable	1,475	1,212
Accrued liabilities	2,073	2,010
Air traffic liability	5,665	4,524
Payable to affiliates, net	2,770	2,753
Current maturities of long-term debt	1,298	1,388
Current obligations under capital leases	28	31
Total current liabilities	13,309	11,918
Long-term debt, less current maturities	8,014	6,762
Obligations under capital leases, less current obligations	367	381
Pension and postretirement benefits	6,702	6,780
Other liabilities, deferred gains and deferred credits	1,859	1,691
Liabilities Subject to Compromise	5,834	5,694
Stockholder's Equity (Deficit)
Common stock	0	0
Additional paid-in capital	4,472	4,469
Accumulated other comprehensive income (loss)	(3,198)	(3,088)
Accumulated deficit	(11,370)	(11,343)
Total stockholders' equity	(10,096)	(9,962)
Total Liabilities and Stockholders' Equity (Deficit)	$ 25,989	$ 23,264