CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Statement of Comprehensive Income [Abstract]
Net income before allocation to noncontrolling interests	[1]	$ 2,635	$ 2,921	$ 5,017	$ 5,259
Other Comprehensive Income/(Loss)
Foreign currency translation adjustments, net	[2]	(327)	233	(1,635)	158
Reclassification adjustments	[2],[3]	0	0	0	(62)
Other comprehensive income (loss), foreign currency transaction and translation adjustment, before tax	[2]	(327)	233	(1,635)	96
Unrealized holding gains/(losses) on derivative financial instruments, net	[2]	452	1	137	(57)
Reclassification adjustments for realized (gains)/losses	[2],[4]	(743)	74	(510)	86
Other comprehensive income (loss), derivatives qualifying as hedges, before tax, total	[2]	(291)	75	(373)	29
Unrealized holding gains/(losses) on available-for-sale securities, net	[2]	(200)	(15)	(527)	93
Reclassification adjustments for realized (gains)/losses	[2],[4]	498	(79)	745	(178)
Other comprehensive income (loss), available-for-sale securities adjustment, before tax, total	[2]	299	(94)	218	(85)
Benefit plans: actuarial gains/(losses), net	[2]	(9)	(11)	22	(5)
Reclassification adjustments related to amortization	[2],[5]	134	49	269	98
Reclassification adjustments related to settlements, net	[2],[5]	22	18	62	39
Other	[2]	(29)	(9)	130	(26)
Defined benefit plan, amounts recognized in other comprehensive income (loss), net gain (loss), before tax, total	[2]	118	47	483	106
Benefit plans: prior service credits and other, net	[2]	507	0	506	0
Reclassification adjustments related to amortization	[2],[5]	(34)	(18)	(69)	(36)
Reclassification adjustments related to curtailments, net	[2],[5]	(7)	15	(17)	11
Other	[2]	(2)	0	(2)	(1)
Defined benefit plan, amounts recognized in other comprehensive income (loss), net prior service cost, before tax	[2]	464	(3)	418	(26)
Other comprehensive income/(loss), before tax	[2]	263	258	(890)	120
Tax provision/(benefit) on other comprehensive income/(loss)	[2],[6]	228	5	332	(12)
Other comprehensive income/(loss) before allocation to noncontrolling interests	[2]	35	253	(1,222)	132
Comprehensive income before allocation to noncontrolling interests	[2]	2,670	3,174	3,795	5,391
Less: Comprehensive income/(loss) attributable to noncontrolling interests	[2]	8	24	(3)	31
Comprehensive income attributable to Pfizer Inc.	[2]	$ 2,663	$ 3,150	$ 3,797	$ 5,360

[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 Income/(Loss).