Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 16,885	$ 18,283
Short-term investments	3,190	123
Restricted cash	43	37
Receivables, less allowance for credit losses (2022 — $31; 2021 — $28)	2,217	1,663
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2022 — $578; 2021 — $546)	1,153	983
Prepaid expenses and other	883	745
Total current assets	24,371	21,834
Operating property and equipment:
Flight equipment	40,044	39,584
Other property and equipment	9,019	8,764
Purchase deposits for flight equipment	2,338	2,215
Total operating property and equipment	51,401	50,563
Less — Accumulated depreciation and amortization	(19,548)	(18,489)
Total operating property and equipment, net	31,853	32,074
Operating lease right-of-use assets	4,440	4,645
Other assets:
Goodwill	4,527	4,527
Intangibles, less accumulated amortization (2022 — $1,451; 2021 — $1,544)	2,782	2,803
Restricted cash	204	213
Deferred income taxes	907	659
Investments in affiliates and other, less allowance for credit losses (2022 — $623; 2021 — $622)	1,297	1,420
Total other assets	9,717	9,622
Total assets	70,381	68,175
Current liabilities:
Accounts payable	3,755	2,562
Accrued salaries and benefits	1,943	2,121
Advance ticket sales	9,931	6,354
Frequent flyer deferred revenue	2,590	2,239
Current maturities of long-term debt	3,012	3,002
Current maturities of other financial liabilities	914	834
Current maturities of operating leases	543	556
Current maturities of finance leases	78	76
Other	678	560
Total current liabilities	23,444	18,304
Long-term debt	29,175	30,361
Long-term obligations under operating leases	4,997	5,152
Long-term obligations under finance leases	205	219
Other liabilities and deferred credits:
Frequent flyer deferred revenue	3,905	4,043
Pension liability	1,934	1,920
Postretirement benefit liability	964	1,000
Other financial liabilities	496	863
Other	1,297	1,284
Total other liabilities and deferred credits	8,596	9,110
Commitments and contingencies
Stockholders' equity:
Preferred stock	0	0
Common stock at par, $0.01 par value; authorized 1,000,000,000 shares; outstanding 326,744,101 and 323,810,825 shares at June 30, 2022 and December 31, 2021, respectively	4	4
Additional capital invested	8,970	9,156
Stock held in treasury, at cost	(3,551)	(3,814)
Retained earnings (accumulated deficit)	(515)	625
Accumulated other comprehensive loss	(944)	(942)
Total stockholders' equity	3,964	5,029
Total liabilities and stockholders' equity	$ 70,381	$ 68,175