Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 36,092	$ 31,750
Marketable securities	18,929	9,500
Inventories	20,497	17,174
Accounts receivable, net and other	20,816	16,677
Total current assets	96,334	75,101
Property and equipment, net	72,705	61,797
Operating leases	25,141	0
Goodwill	14,754	14,548
Other assets	16,314	11,202
Total assets	225,248	162,648
Current liabilities:
Accounts payable	47,183	38,192
Accrued expenses and other	32,439	23,663
Unearned revenue	8,190	6,536
Total current liabilities	87,812	68,391
Long-term lease liabilities	39,791	9,650
Long-term debt	23,414	23,495
Other long-term liabilities	12,171	17,563
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 - 507 and 514 Outstanding shares - 484 and 491	5	5
Treasury stock, at cost	(1,837)	(1,837)
Additional paid-in capital	33,658	26,791
Accumulated other comprehensive income (loss)	(986)	(1,035)
Retained earnings	31,220	19,625
Total stockholders’ equity	62,060	43,549
Total liabilities and stockholders’ equity	$ 225,248	$ 162,648