Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets
Cash	$ 717	$ 480
Short-term investments	6,046	3,412
Restricted cash and short-term investments	935	850
Receivables, net	1,340	1,124
Inventories, net	681	580
Fuel derivative contracts	58	65
Other current assets	464	561
Total current assets	10,241	7,072
Equipment and Property
Flight equipment, net	10,445	10,310
Other equipment and property, net	2,071	2,099
Purchase deposits for flight equipment	709	710
Equipment and property, net	13,225	13,119
Equipment and Property Under Capital Leases
Flight equipment, net	191	222
Other equipment and property, net	56	61
Equipment and property under capital leases, net	247	283
International slots and route authorities	710	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization, net	143	161
Other assets	2,214	2,167
Total Assets	26,780	23,510
Current Liabilities
Accounts payable	1,307	1,244
Accrued liabilities	2,139	2,117
Air traffic liability	5,293	4,524
Current maturities of long-term debt	1,335	1,388
Current obligations under capital leases	24	31
Total current liabilities	10,098	9,304
Long-term debt, less current maturities	8,863	6,735
Obligations under capital leases, less current obligations	345	381
Pension and postretirement benefits	6,641	6,780
Other liabilities, deferred gains and deferred credits	1,866	1,691
Liabilities Subject to Compromise	6,889	6,606
Stockholders’ Equity (Deficit)
Preferred stock	0	0
Common stock	342	341
Additional paid-in capital	4,488	4,481
Treasury stock	(367)	(367)
Accumulated other comprehensive income (loss)	(3,090)	(2,980)
Accumulated deficit	(9,295)	(9,462)
Total stockholders' equity	(7,922)	(7,987)
Total Liabilities and Stockholders' Equity (Deficit)	$ 26,780	$ 23,510