Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 3,257	$ 6,946
Marketable securities	20,804	13,695
Trade receivables, net	2,518	2,896
Inventories	2,744	2,484
Other current assets	1,886	1,572
Total current assets	31,209	27,593
Property, plant and equipment, net	5,326	5,420
Intangible assets, net	3,968	2,584
Goodwill	12,662	11,750
Other assets	1,133	1,524
Total assets	54,298	48,871
Current liabilities:
Accounts payable	905	642
Accrued liabilities	4,791	5,028
Current portion of long-term debt	2,495	84
Total current liabilities	8,191	5,754
Long-term debt	24,034	21,344
Other noncurrent liabilities	3,013	2,744
Contingencies and commitments
Stockholders' equity:
Common stock and additional paid-in capital; $0.0001 par value; 2,750.0 shares authorized; outstanding — 756.3 shares in 2012 and 795.6 shares in 2011	29,337	27,777
Accumulated deficit	(10,423)	(8,919)
Accumulated other comprehensive income	146	171
Total stockholders' equity	19,060	19,029
Total liabilities and stockholders' equity	$ 54,298	$ 48,871