Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 2,040	$ 1,583
Short-term investments	1,375	1,468
Accounts and other receivables	524	474
Inventories of parts and supplies, at cost	328	311
Prepaid expenses and other current assets	202	188
Total current assets	4,469	4,024
Property and equipment, at cost:
Flight equipment	19,972	19,462
Ground property and equipment	3,435	3,219
Deposits on flight equipment purchase contracts	1,184	1,089
Assets constructed for others	1,067	915
Property and equipment, at cost	25,658	24,685
Less allowance for depreciation and amortization	9,364	9,084
Property and equipment, net	16,294	15,601
Goodwill	970	970
Other assets	714	717
Total assets	22,447	21,312
Current liabilities:
Accounts payable	1,247	1,188
Accrued liabilities	1,869	2,591
Air traffic liability	3,754	2,990
Current maturities of long-term debt	963	637
Total current liabilities	7,833	7,406
Long-term debt less current maturities	2,391	2,541
Deferred income taxes	2,818	2,490
Construction obligation	903	757
Other noncurrent liabilities	681	760
Stockholders' equity:
Common stock	808	808
Capital in excess of par value	1,383	1,374
Retained earnings	10,631	9,409
Accumulated other comprehensive loss	(628)	(1,051)
Treasury stock, at cost	(4,373)	(3,182)
Total stockholders' equity	7,821	7,358
Total liabilities and stockholders' equity	$ 22,447	$ 21,312