Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 10,269	$ 14,557
Marketable securities	3,732	2,859
Inventories	7,470	8,299
Accounts receivable, net and other	4,920	5,612
Total current assets	26,391	31,327
Property and equipment, net	19,479	16,967
Goodwill	3,523	3,319
Other assets	3,047	2,892
Total assets	52,440	54,505
Current liabilities:
Accounts payable	12,391	16,459
Accrued expenses and other	8,959	9,807
Unearned revenue	2,562	1,823
Total current liabilities	23,912	28,089
Long-term debt	8,250	8,265
Other long-term liabilities	$ 8,510	$ 7,410
Commitments and contingencies (Note 3)
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 - 491 and 488 Outstanding shares - 468 and 465	5	5
Treasury stock, at cost	(1,837)	(1,837)
Additional paid-in capital	12,233	11,135
Accumulated other comprehensive loss	(617)	(511)
Retained earnings	1,984	1,949
Total stockholders’ equity	11,768	10,741
Total liabilities and stockholders’ equity	$ 52,440	$ 54,505