Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 8,359	$ 9,492
Short-term investments	3,315	2,800
Accounts and other receivables	1,250	1,040
Inventories of parts and supplies, at cost	736	790
Prepaid expenses and other current assets	614	686
Total current assets	14,274	14,808
Property and equipment, at cost:
Flight equipment	24,577	23,725
Ground property and equipment	7,008	6,855
Deposits on flight equipment purchase contracts	283	376
Assets constructed for others	34	28
Property and equipment, at cost	31,902	30,984
Less allowance for depreciation and amortization	13,878	13,642
Property and equipment, net	18,024	17,342
Goodwill	970	970
Operating lease right-of-use assets	1,380	1,394
Other assets	898	855
Total assets	35,546	35,369
Current liabilities:
Accounts payable	1,729	2,004
Accrued liabilities	2,118	2,043
Current operating lease liabilities	233	225
Air traffic liability	7,217	6,064
Current maturities of long-term debt	32	42
Total current liabilities	11,329	10,378
Long-term debt less current maturities	7,999	8,046
Air traffic liability - noncurrent	1,980	2,186
Deferred income taxes	1,888	1,985
Noncurrent operating lease liabilities	1,112	1,118
Other noncurrent liabilities	936	969
Stockholders' equity:
Common stock	888	888
Capital in excess of par value	4,058	4,037
Retained earnings	15,995	16,261
Accumulated other comprehensive income	197	344
Treasury stock, at cost	(10,836)	(10,843)
Total stockholders' equity	10,302	10,687
Total liabilities and stockholders' equity	$ 35,546	$ 35,369