Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 12,351	$ 2,548
Short-term investments	2,106	1,524
Accounts and other receivables	770	1,086
Inventories of parts and supplies, at cost	422	529
Prepaid expenses and other current assets	223	287
Total current assets	15,872	5,974
Property and equipment, at cost:
Flight equipment	20,943	21,629
Ground property and equipment	5,923	5,672
Deposits on flight equipment purchase contracts	306	248
Assets constructed for others	239	164
Property and equipment, at cost	27,411	27,713
Less allowance for depreciation and amortization	11,164	10,688
Property and equipment, net	16,247	17,025
Goodwill	970	970
Operating lease right-of-use assets	1,845	1,349
Other assets	662	577
Total assets	35,596	25,895
Current liabilities:
Accounts payable	970	1,574
Accrued liabilities	2,372	1,749
Current operating lease liabilities	336	353
Air traffic liability	4,988	4,457
Current maturities of long-term debt	695	819
Total current liabilities	9,361	8,952
Long-term debt less current maturities	8,905	1,846
Air traffic liability - noncurrent	1,891	1,053
Deferred income taxes	2,114	2,364
Construction obligation	239	164
Noncurrent operating lease liabilities	1,486	978
Other noncurrent liabilities	722	706
Stockholders' equity:
Common stock	888	808
Capital in excess of par value	4,159	1,581
Retained earnings	16,842	17,945
Accumulated other comprehensive loss	(130)	(61)
Treasury stock, at cost	(10,881)	(10,441)
Total stockholders' equity	10,878	9,832
Total liabilities and stockholders' equity	$ 35,596	$ 25,895