Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 8,367	$ 9,288
Short-term investments	2,145	2,186
Accounts and other receivables	1,354	1,154
Inventories of parts and supplies, at cost	812	807
Prepaid expenses and other current assets	603	520
Total current assets	13,281	13,955
Property and equipment, at cost:
Flight equipment	26,131	26,060
Ground property and equipment	7,500	7,460
Deposits on flight equipment purchase contracts	395	236
Assets constructed for others	71	62
Property and equipment, at cost	34,097	33,818
Less allowance for depreciation and amortization	14,536	14,443
Property and equipment, net	19,561	19,375
Goodwill	970	970
Operating lease right-of-use assets	1,182	1,223
Other assets	1,024	964
Total assets	36,018	36,487
Current liabilities:
Accounts payable	1,949	1,862
Accrued liabilities	2,400	3,606
Current operating lease liabilities	206	208
Air traffic liability	7,642	6,551
Current maturities of long-term debt	28	29
Total current liabilities	12,225	12,256
Long-term debt less current maturities	7,974	7,978
Air traffic liability - noncurrent	1,752	1,728
Deferred income taxes	1,981	2,044
Noncurrent operating lease liabilities	953	985
Other noncurrent liabilities	937	981
Stockholders' equity:
Common stock	888	888
Capital in excess of par value	4,138	4,153
Retained earnings	15,959	16,297
Accumulated other comprehensive income	19	0
Treasury stock, at cost	(10,808)	(10,823)
Total stockholders' equity	10,196	10,515
Total liabilities and stockholders' equity	$ 36,018	$ 36,487