Other Income, Net (Schedule of Other Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Component of Other Income [Line Items]
Net exchange (losses) gains	$ (109)		$ 35		$ (205)		$ 46
Total	408		159		425		251
Exchange gains (losses) related to earnings of affiliates	0		0		(2)		5
Other Income [Member]
Component of Other Income [Line Items]
Royalty income	34		50		72		87
Interest income	43		45		71		72
Equity in earnings (losses) of affiliates, excluding exchange gains / losses	9	[1]	(7)	[1]	22		(14)
Gain on sale of equity method investment	0		9		0		9
Net gain on sales of businesses and other assets	404		5		411		10
Net exchange (losses) gains	(109)	[1]	35		(205)	[1]	46
Cozaar/Hyzaar income	0		12		1		14
Miscellaneous income and expenses, net	27	[2]	10	[2]	53		27
Total	408		159		425		251
Foreign currency loss due to devaluation of Ukrainian hryvnia [Member]
Component of Other Income [Line Items]
Net exchange (losses) gains	(7)				(46)
Foreign currency loss due to devaluation of Argentinian peso [Member]
Component of Other Income [Line Items]
Net exchange (losses) gains					(14)
Foreign currency loss due to devaluation of Venezuelan Bolivar [Member]
Component of Other Income [Line Items]
Net exchange (losses) gains	$ (58)		$ 3		$ (58)		$ (33)

[1] The company routinely uses foreign currency exchange contracts to offset its net exposures, by currency, related to the 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 (losses) are recorded in other income, net and the related tax impact is recorded in provision for income taxes on continuing operations on the interim Consolidated Income Statements. Exchange gains (losses) related to earnings of affiliates was $0 and $(2) for the three and six months ended June 30, 2014, respectively. Exchange gains (losses) related to earnings of affiliates was $0 and $5 for the three and six months ended June 30, 2013, respectively. The $(109) net exchange loss for the three months ended June 30, 2014, includes $(58) and $(7) exchange losses, associated with the devaluation of the Venezuelan bolivar and Ukrainian hryvnia , respectively. The $(205) net exchange loss for the six months ended June 30, 2014, includes $(58), $(46) and $(14) exchange losses, associated with the devaluation of the Venezuelan bolivar, Ukrainian hryvnia, and Argentinian peso, respectively. The $35 and $46 net exchange gain for the three and six months ended June 30, 2013, includes a $3 exchange gain and a $(33) exchange loss, respectively, associated with the devaluation of the Venezuelan bolivar.

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