CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 01, 2012		Apr. 03, 2011
Net income before allocation to noncontrolling interests	$ 1,803		$ 2,234
Other Comprehensive Income
Foreign currency translation adjustments	263		1,589
Reclassification adjustments			(7)	[1]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total	263		1,582
Unrealized holding gains/(losses) on derivative financial instruments	427		307
Reclassification adjustments for realized gains	(300)	[1]	(510)	[1]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Total	127		(203)
Unrealized holding gains/(losses) on available-for-sale securities	80		(36)
Reclassification adjustments for realized losses	17	[1]	10	[1]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Total	97		(26)
Benefit plans: Actuarial gains/(losses)	1
Reclassification adjustments related to amortization	117	[2]	70	[2]
Reclassification adjustments related to curtailments and settlements, net	120	[2]	51	[2]
Other	15		(87)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Gain (Loss), before Tax	253		34
Benefit plans: Prior service (costs)/credits and other			1
Reclassification adjustments related to amortization	(19)	[2]	(18)	[2]
Reclassification adjustments related to curtailments and settlements, net	(9)	[2]	(11)	[2]
Other	(2)		(3)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax	(30)		(31)
Other comprehensive income, before tax	710		1,356
Tax expense/(benefit) on other comprehensive income	204	[3]	(28)	[3]
Other comprehensive income before allocation to noncontrolling interests	506		1,384
Comprehensive Income
Comprehensive income before allocation to noncontrolling interests	2,309		3,618
Less: Comprehensive income attributable to noncontrolling interests	8		16
Comprehensive income attributable to Pfizer Inc.	$ 2,301		$ 3,602

[1] Reclassified into Other deductions-net in the Condensed Consolidated Statements of Income.

[2] Generally reclassified into Cost of sales, Selling, informational and administrative expenses, and Research and development expenses in the Condensed Consolidated Statements of Income.

[3] See Note 5B. Tax Matters: Taxes on Items of Other Comprehensive Income.