Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 31,750	$ 20,522
Marketable securities	9,500	10,464
Inventories	17,174	16,047
Accounts receivable, net and other	16,677	13,164
Total current assets	75,101	60,197
Property and equipment, net	61,797	48,866
Goodwill	14,548	13,350
Other assets	11,202	8,897
Total assets	162,648	131,310
Current liabilities:
Accounts payable	38,192	34,616
Accrued expenses and other	23,663	18,170
Unearned revenue	6,536	5,097
Total current liabilities	68,391	57,883
Long-term debt	23,495	24,743
Other long-term liabilities	27,213	20,975
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	26,791	21,389
Accumulated other comprehensive loss	(1,035)	(484)
Retained earnings	19,625	8,636
Total stockholders’ equity	43,549	27,709
Total liabilities and stockholders’ equity	$ 162,648	$ 131,310