Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 14,557	$ 8,658
Marketable securities	2,859	3,789
Inventories	8,299	7,411
Accounts receivable, net and other	5,612	4,767
Total current assets	31,327	24,625
Property and equipment, net	16,967	10,949
Goodwill	3,319	2,655
Other assets	2,892	1,930
Total assets	54,505	40,159
Current liabilities:
Accounts payable	16,459	15,133
Accrued expenses and other	9,807	6,688
Unearned revenue	1,823	1,159
Total current liabilities	28,089	22,980
Long-term debt	8,265	3,191
Other long-term liabilities	7,410	4,242
Commitments and contingencies (Note 8)
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 - 488 and 483 Outstanding shares - 465 and 459	5	5
Treasury stock, at cost	(1,837)	(1,837)
Additional paid-in capital	11,135	9,573
Accumulated other comprehensive loss	(511)	(185)
Retained earnings	1,949	2,190
Total stockholders’ equity	10,741	9,746
Total liabilities and stockholders’ equity	$ 54,505	$ 40,159