CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Statement of Comprehensive Income [Abstract]
Net income before allocation to noncontrolling interests	[1]	$ 2,139	$ 2,672	$ 7,155	$ 7,932
Other Comprehensive Income/(Loss)
Foreign currency translation adjustments, net	[2]	(535)	(431)	(2,170)	(273)
Reclassification adjustments	[2],[3]	0	0	0	(62)
Other comprehensive income (loss), foreign currency transaction and translation adjustment, before tax	[2]	(535)	(430)	(2,170)	(334)
Unrealized holding losses on derivative financial instruments, net	[2]	(217)	(172)	(80)	(229)
Reclassification adjustments for realized (gains)/losses	[2],[4]	(35)	441	(545)	527
Other comprehensive income (loss), derivatives qualifying as hedges, before tax, total	[2]	(251)	269	(625)	298
Unrealized holding gains/(losses) on available-for-sale securities, net	[2]	25	(200)	(502)	(107)
Reclassification adjustments for realized (gains)/losses	[2],[4]	69	15	815	(163)
Other comprehensive income (loss), available-for-sale securities adjustment, before tax, total	[2]	94	(185)	312	(270)
Benefit plans: actuarial gains/(losses), net	[2]	(144)	18	(122)	13
Reclassification adjustments related to amortization	[2],[5]	140	48	409	146
Reclassification adjustments related to settlements, net	[2],[5]	36	19	98	58
Other	[2]	(10)	42	120	16
Defined benefit plan, amounts recognized in other comprehensive income (loss), net gain (loss), before tax, total	[2]	23	127	506	233
Benefit plans: prior service credits and other, net	[2]	0	0	506	0
Reclassification adjustments related to amortization	[2],[5]	(46)	(19)	(115)	(55)
Reclassification adjustments related to curtailments, net	[2],[5]	(4)	1	(21)	12
Other	[2]	(1)	0	(3)	(1)
Defined benefit plan, amounts recognized in other comprehensive income (loss), net prior service cost, before tax	[2]	(51)	(18)	366	(44)
Other comprehensive loss, before tax	[2]	(721)	(238)	(1,611)	(118)
Tax provision/(benefit) on other comprehensive loss	[2],[6]	(65)	83	267	71
Other comprehensive loss before allocation to noncontrolling interests	[2]	(656)	(320)	(1,878)	(189)
Comprehensive income before allocation to noncontrolling interests	[2]	1,483	2,352	5,277	7,743
Less: Comprehensive income/(loss) attributable to noncontrolling interests	[2]	2	1	(1)	32
Comprehensive income attributable to Pfizer Inc.	[2]	$ 1,481	$ 2,351	$ 5,278	$ 7,711

[1] Amounts may not add due to rounding.

[2] Amounts may not add due to rounding.

[3] Reclassified into Discontinued operations—net of tax in the condensed consolidated statements of income.

[4] Reclassified into Other (income)/deductions—net in the condensed consolidated statements of income.

[5] Generally reclassified, as part of net periodic pension cost, into Cost of sales, Selling, informational and administrative expenses, and/or Research and development expenses, as appropriate, in the condensed consolidated statements of income. For additional information, see Note 10. Pension and Postretirement Benefit Plans.

[6] See Note 5C. Tax Matters: Tax Provision/(Benefit) on Other Comprehensive Loss.