Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 1,740	$ 1,282
Short-term investments	1,356	1,706
Accounts and other receivables	465	365
Inventories of parts and supplies, at cost	308	342
Deferred income taxes	465	477
Prepaid expenses and other current assets	239	232
Total current assets	4,573	4,404
Property and equipment, at cost:
Flight equipment	19,244	18,473
Ground property and equipment	3,066	2,853
Deposits on flight equipment purchase contracts	692	566
Assets constructed for others	823	621
Property and equipment, at cost	23,825	22,513
Less allowance for depreciation and amortization	8,896	8,221
Property and equipment, net	14,929	14,292
Goodwill	970	970
Other assets	687	534
Total assets	21,159	20,200
Current liabilities:
Accounts payable	1,235	1,203
Accrued liabilities	2,049	1,565
Air traffic liability	3,513	2,897
Current maturities of long-term debt	287	258
Total current liabilities	7,084	5,923
Long-term debt less current maturities	2,381	2,434
Deferred income taxes	3,111	3,259
Construction obligation	684	554
Other noncurrent liabilities	931	1,255
Stockholders' equity:
Common stock	808	808
Capital in excess of par value	1,330	1,315
Retained earnings	8,922	7,416
Accumulated other comprehensive loss	(903)	(738)
Treasury stock, at cost	(3,189)	(2,026)
Total stockholders' equity	6,968	6,775
Total liabilities and stockholders' equity	$ 21,159	$ 20,200