Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 9,158	$ 9,492
Short-term investments	3,021	2,800
Accounts and other receivables	1,233	1,040
Inventories of parts and supplies, at cost	714	790
Prepaid expenses and other current assets	535	686
Total current assets	14,661	14,808
Property and equipment, at cost:
Flight equipment	25,229	23,725
Ground property and equipment	7,159	6,855
Deposits on flight equipment purchase contracts	324	376
Assets constructed for others	43	28
Property and equipment, at cost	32,755	30,984
Less allowance for depreciation and amortization	14,159	13,642
Property and equipment, net	18,596	17,342
Goodwill	970	970
Operating lease right-of-use assets	1,335	1,394
Other assets	957	855
Total assets	36,519	35,369
Current liabilities:
Accounts payable	1,882	2,004
Accrued liabilities	2,468	2,043
Current operating lease liabilities	226	225
Air traffic liability	7,121	6,064
Current maturities of long-term debt	31	42
Total current liabilities	11,728	10,378
Long-term debt less current maturities	7,994	8,046
Air traffic liability - noncurrent	1,938	2,186
Deferred income taxes	2,057	1,985
Noncurrent operating lease liabilities	1,077	1,118
Other noncurrent liabilities	936	969
Stockholders' equity:
Common stock	888	888
Capital in excess of par value	4,103	4,037
Retained earnings	16,571	16,261
Accumulated other comprehensive income	58	344
Treasury stock, at cost	(10,831)	(10,843)
Total stockholders' equity	10,789	10,687
Total liabilities and stockholders' equity	$ 36,519	$ 35,369