Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current Assets
Cash	$ 474	$ 280
Short-term investments	3,408	3,714
Restricted cash and short-term investments	850	738
Receivables, less allowance for uncollectible accounts	1,105	883
Inventories, less allowance for obsolescence	550	583
Fuel derivative contracts	65	97
Other current assets	559	401
Total current assets	7,011	6,696
Equipment and Property
Flight equipment, at cost	17,687	17,890
Less accumulated depreciation	7,502	6,981
Flight equipment, net	10,185	10,909
Purchase deposits for flight equipment	710	746
Other equipment and property, at cost	4,993	5,012
Less accumulated depreciation	2,912	2,904
Other equipment and property, net	2,081	2,108
Equipment and property, net	12,976	13,763
Equipment and Property Under Capital Leases
Flight equipment	287	641
Other equipment and property	200	199
Equipment and Property Under Capital Leases, gross	487	840
Less accumulated amortization	205	448
Equipment and property under capital leases, net	282	392
Other Assets
International slots and route authorities	708	708
Domestic slots and airport operating and gate lease rights, less accumulated amortization (2012 - $508; 2011 - $486)	161	183
Other assets	2,126	1,847
Other assets, total	2,995	2,738
Total Assets	23,264	23,589
Current Liabilities
Accounts payable	1,212	981
Accrued salaries and wages	631	489
Accrued liabilities	1,379	1,306
Air traffic liability	4,524	4,223
Payable to affiliates	2,753	2,644
Current maturities of long-term debt	1,388	1,518
Current obligations under capital leases	31	0
Total current liabilities	11,918	11,161
Long-term debt, less current maturities	6,762	6,729
Obligations Under Capital Leases, Less Current Obligations	381	0
Other Liabilities and Credits
Deferred gains	223	110
Pension and postretirement benefits	6,780	9,204
Other liabilities and deferred credits	1,468	1,470
Other Liabilities and Credits Total	8,471	10,784
Liabilities Subject to Compromise	5,694	3,952
Stockholder's Equity (Deficit)
Common stock - $1 par value	0	0
Additional paid-in capital	4,469	4,455
Accumulated other comprehensive loss	(3,088)	(4,075)
Accumulated deficit	(11,343)	(9,417)
Total stockholders' equity	(9,962)	(9,037)
Total Liabilities and Stockholder's Equity (Deficit)	$ 23,264	$ 23,589