Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 36,220	$ 42,122
Marketable securities	59,829	42,274
Inventories	32,640	23,795
Accounts receivable, net and other	32,891	24,542
Total current assets	161,580	132,733
Property and equipment, net	160,281	113,114
Operating leases	56,082	37,553
Goodwill	15,371	15,017
Other assets	27,235	22,778
Total assets	420,549	321,195
Current liabilities:
Accounts payable	78,664	72,539
Accrued expenses and other	51,775	44,138
Unearned revenue	11,827	9,708
Total current liabilities	142,266	126,385
Long-term lease liabilities	67,651	52,573
Long-term debt	48,744	31,816
Other long-term liabilities	23,643	17,017
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.01 par value: Authorized shares - 500; Issued and outstanding shares - none	0	0
Common stock, $0.01 par value: Authorized shares - 5,000; Issued shares - 527 and 532; Outstanding shares - 503 and 509	5	5
Treasury stock, at cost	(1,837)	(1,837)
Additional paid-in capital	55,538	42,865
Accumulated other comprehensive income (loss)	(1,376)	(180)
Retained earnings	85,915	52,551
Total stockholders’ equity	138,245	93,404
Total liabilities and stockholders’ equity	$ 420,549	$ 321,195