Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets
Cash	$ 371	$ 283
Short-term investments	4,609	3,718
Restricted cash and short-term investments	772	738
Receivables, net	1,129	902
Inventories, net	593	617
Fuel derivative contracts	24	97
Other current assets	486	402
Total current assets	7,984	6,757
Equipment and Property
Flight Equipment Owned, Net	10,636	11,041
Other equipment and property, net	2,076	2,126
Purchase deposits for flight equipment	759	746
Equipment and property, net	13,471	13,913
Equipment and Property Under Capital Leases
Flight equipment, net	247	323
Other equipment and property, net	66	70
Equipment and property under capital leases, net	313	393
International slots and route authorities	708	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization, net	173	186
Other assets	2,077	1,891
Total Assets	24,726	23,848
Current Liabilities
Accounts payable	1,362	1,007
Accrued liabilities	1,899	1,882
Air traffic liability	5,151	4,223
Current maturities of long-term debt	1,598	1,518
Current obligations under capital leases	56	0
Total current liabilities	10,066	8,630
Long-term debt, less current maturities	6,323	6,702
Obligations under capital leases, less current obligations	393	0
Pension and postretirement benefits	77	9,204
Other liabilities, deferred gains and deferred credits	1,687	1,580
Liabilities Subject to Compromise	15,148	4,843
Stockholders' Equity (Deficit)
Preferred stock	0	0
Common stock	341	341
Additional paid-in capital	4,475	4,465
Treasury stock	(367)	(367)
Accumulated other comprehensive income (loss)	(3,930)	(3,964)
Accumulated deficit	(9,487)	(7,586)
Total stockholders' equity	(8,968)	(7,111)
Total Liabilities and Stockholders' Equity (Deficit)	$ 24,726	$ 23,848