Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 3,877	$ 2,741
Short-term investments	589	1,127
Accounts receivable, net of allowance for uncollectible accounts of $16 and $17	3,748	3,130
Fuel, expendable parts and supplies inventories, net of allowance for obsolescence of $124 and $123	1,452	1,314
Prepaid expenses and other	1,913	1,957
Total current assets	11,579	10,269
Noncurrent Assets:
Property and equipment, net of accumulated depreciation and amortization of $22,156 and $21,707	35,915	35,486
Operating lease right-of-use assets	6,785	7,004
Goodwill	9,753	9,753
Identifiable intangibles, net of accumulated amortization of $913 and $911	5,981	5,983
Equity investments	3,247	3,457
Other noncurrent assets	1,709	1,692
Total noncurrent assets	63,390	63,375
Total assets	74,969	73,644
Current Liabilities:
Current maturities of debt and finance leases	2,809	2,983
Current maturities of operating leases	742	759
Accounts payable	4,541	4,446
Accrued salaries and related benefits	3,037	4,561
Fuel card obligation	1,100	1,100
Other accrued liabilities	2,038	1,617
Total current liabilities	28,478	26,418
Noncurrent Liabilities:
Debt and finance leases	16,555	17,071
Pension, postretirement and related benefits	3,524	3,601
Noncurrent operating leases	6,203	6,468
Deferred income taxes, net	994	908
Other noncurrent liabilities	3,541	3,561
Total noncurrent liabilities	35,340	36,121
Commitments and Contingencies
Stockholders' Equity:
Common stock at $0.0001 par value; 1,500,000,000 shares authorized, 657,166,677 and 654,671,194 shares issued	0	0
Additional paid-in capital	11,688	11,641
Retained earnings	5,622	5,650
Accumulated other comprehensive loss	(5,793)	(5,845)
Treasury stock, at cost, 11,854,394 and 11,224,246 shares	(366)	(341)
Total stockholders' equity	11,151	11,105
Total liabilities and stockholders' equity	74,969	73,644
Air traffic
Current Liabilities:
Deferred revenue liability, current	10,193	7,044
Loyalty program
Current Liabilities:
Deferred revenue liability, current	4,018	3,908
Noncurrent Liabilities:
Loyalty program deferred revenue	$ 4,523	$ 4,512