Other Income, Net (Schedule of Other Income) (Details) (USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Other Income, Net
Cozaar/Hyzaar income	$ 79		$ 69		$ 127		$ 288
Royalty income	35		21		66		53
Interest income	32		21		60		40
Equity in earnings of affiliates, excluding exchange gains/losses	35		44		83		86
Net gains on sales of assets	33		89		39		94
Net exchange gains (losses)	4	[1],[2]	105	[1],[2]	(139)	[1],[2]	135	[1],[2]
Miscellaneous income and expenses, net	11	[3]	115	[3]	18	[3]	128	[3]
Total	$ 229		$ 464		$ 254		$ 824

[1] A reconciliation of total segment PTOI to income before income taxes is as follows:  Three Months EndedJune 30, Six Months EndedJune 30, 2011 2010 2011 2010Total segment PTOI$1,943 $1,655 $4,068 $3,458Net exchange gains (losses), including affiliates4 105 (139) 135Corporate expenses and net interest(358) (192) (638) (438)Income before income taxes$1,589 $1,568 $3,291 $3,155

[2] The company routinely uses forward exchange contracts to offset its net exposures, by currency, related to its foreign currency-denominated monetary assets and liabilities. The objective of this program is to maintain an approximately balanced position in foreign currencies in order to minimize, on an after-tax basis, the effects of exchange rate changes on net monetary asset positions. The net pre-tax exchange gains and losses are partially offset by the associated tax impact.

[3] Miscellaneous income and expenses, net, generally includes interest items, insurance recoveries, litigation settlements and other items.