Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 9,288	$ 9,492
Short-term investments	2,186	2,800
Accounts and other receivables	1,154	1,040
Inventories of parts and supplies, at cost	807	790
Prepaid expenses and other current assets	520	686
Total current assets	13,955	14,808
Property and equipment, at cost:
Flight equipment	26,060	23,725
Ground property and equipment	7,460	6,855
Deposits on flight equipment purchase contracts	236	376
Assets constructed for others	62	28
Property and equipment, at cost	33,818	30,984
Less allowance for depreciation and amortization	14,443	13,642
Property and equipment, net	19,375	17,342
Goodwill	970	970
Operating	1,223	1,394
Other assets	964	855
Total assets	36,487	35,369
Current liabilities:
Accounts payable	1,862	2,004
Accrued liabilities	3,606	2,043
Current operating lease liabilities	208	225
Air traffic liability	6,551	6,064
Current maturities of long-term debt	29	42
Total current liabilities	12,256	10,378
Long-term debt less current maturities	7,978	8,046
Air traffic liability - noncurrent	1,728	2,186
Deferred income taxes	2,044	1,985
Operating	985	1,118
Other noncurrent liabilities	981	969
Stockholders' equity:
Common stock, $1.00 par value: 2,000,000,000 shares authorized; 888,111,634 shares issued in 2023 and 2022	888	888
Capital in excess of par value	4,153	4,037
Retained earnings	16,297	16,261
Accumulated other comprehensive income	0	344
Treasury stock, at cost: 291,599,001 and 294,111,813 shares in 2023 and 2022, respectively	(10,823)	(10,843)
Total stockholders' equity	10,515	10,687
Total liabilities and stockholders' equity	$ 36,487	$ 35,369