Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 4,207	$ 6,946
Marketable securities	15,167	13,695
Trade receivables, net	2,988	2,896
Inventories	2,499	2,484
Other current assets	1,994	1,572
Total current assets	26,855	27,593
Property, plant and equipment, net	5,392	5,420
Intangible assets, net	3,445	2,584
Goodwill	12,121	11,750
Other assets	1,437	1,524
Total assets	49,250	48,871
Current liabilities:
Accounts payable	891	642
Accrued liabilities	5,026	5,028
Current portion of long-term debt	2,381	84
Total current liabilities	8,298	5,754
Long-term debt	19,028	21,344
Other noncurrent liabilities	3,050	2,744
Contingencies and commitments
Stockholders' equity:
Common stock and additional paid-in capital; $0.0001 par value; 2,750.0 shares authorized; outstanding - 781.1 shares in 2012 and 795.6 shares in 2011	28,212	27,777
Accumulated deficit	(9,444)	(8,919)
Accumulated other comprehensive income	106	171
Total stockholders' equity	18,874	19,029
Total liabilities and stockholders' equity	$ 49,250	$ 48,871