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Pension and Postretirement Benefit Plans and Defined Contribution Plans
12 Months Ended
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Pension and Postretirement Benefit Plans and Defined Contribution Plans
Pension and Postretirement Benefit Plans and Defined Contribution Plans

The majority of our employees worldwide are covered by defined benefit pension plans, defined contribution plans or both. In the U.S., we have both Internal Revenue Code-qualified and supplemental (non-qualified) defined benefit plans and contribution plans. A qualified plan meets the requirements of certain sections of the Internal Revenue Code, and, generally, contributions to qualified plans are tax deductible. A qualified plan typically provides benefits to a broad group of employees with restrictions on discriminating in favor of highly compensated employees with regard to coverage, benefits and contributions. A supplemental (non-qualified) plan provides additional benefits to certain employees. In addition, we provide medical insurance benefits to certain retirees and their eligible dependents through our postretirement plans. During 2015, we recorded net pension and postretirement benefit obligations of approximately $115 million as a result of the acquisition of Hospira and an additional $122 million for the decision to terminate Hospira’s U.S. qualified pension plan.

A. Components of Net Periodic Benefit Costs and Changes in Other Comprehensive Income/(Loss)
The following table provides the annual cost (including, for 2013, costs reported as part of discontinued operations) and changes in Other comprehensive income/(loss) for our benefit plans:
 
 
Year Ended December 31,
 
 
Pension Plans
 
 
 
 
 
 
 
 
U.S.
Qualified(a)
 
U.S.
Supplemental
(Non-Qualified)(b)
 
International(c)
 
Postretirement
Plans(d)
(MILLIONS OF DOLLARS)
 
2015

 
2014

 
2013

 
2015

 
2014

 
2013

 
2015

 
2014

 
2013

 
2015

 
2014

 
2013

Service cost
 
$
287

 
$
253

 
$
301

 
$
22

 
$
20

 
$
26

 
$
186

 
$
199

 
$
216

 
$
55

 
$
55

 
$
61

Interest cost
 
676

 
697

 
666

 
54

 
57

 
67

 
307

 
394

 
378

 
117

 
169

 
166

Expected return on plan assets
 
(1,089
)
 
(1,043
)
 
(999
)
 

 

 

 
(418
)
 
(459
)
 
(407
)
 
(53
)
 
(63
)
 
(55
)
Amortization of:
 
 

 
 

 
 
 
 

 
 

 
 
 
 

 
 

 
 
 
 

 
 

 
 
Actuarial losses
 
346

 
63

 
355

 
44

 
29

 
51

 
122

 
97

 
129

 
38

 
6

 
46

Prior service credits
 
(5
)
 
(7
)
 
(7
)
 
(2
)
 
(2
)
 
(2
)
 
(7
)
 
(7
)
 
(5
)
 
(146
)
 
(57
)
 
(44
)
Curtailments
 
3

 
2

 

 

 

 

 
5

 

 
(20
)
 
(31
)
 
(7
)
 
(11
)
Settlements
 
556

 
52

 
113

 
34

 
28

 
40

 
81

 
22

 
22

 

 

 

Special termination benefits
 

 

 

 

 

 

 
1

 
8

 
4

 

 

 

Net periodic benefit costs reported in Income
 
773

 
16

 
429

 
153

 
132

 
182

 
277

 
254

 
317

 
(21
)
 
102

 
163

(Income)/cost reported in Other comprehensive income/(loss)(e)
 
(396
)
 
2,768

 
(3,044
)
 
(143
)
 
163

 
(255
)
 
(542
)
 
260

 
(569
)
 
(540
)
 
(174
)
 
(736
)
(Income)/cost recognized in Comprehensive income
 
$
378

 
$
2,784

 
$
(2,615
)
 
$
10

 
$
294

 
$
(73
)
 
$
(265
)
 
$
514

 
$
(252
)
 
$
(560
)
 
$
(72
)
 
$
(573
)
(a) 
2015 v. 2014––The increase in net periodic benefit costs for our U.S. qualified pension plans was primarily driven by (i) higher settlement activity related to participants accepting the lump-sum option made in an offer to certain plan participants to elect a lump-sum payment to settle Pfizer’s pension obligation with those participants, or to elect an early annuity, and (ii) the increase in the amounts amortized for actuarial losses resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation (which increased the amount of deferred actuarial losses), and, to a lesser extent, a 2014 change in mortality assumptions (reflecting a longer life expectancy for plan participants). The aforementioned increases were partially offset by (i) a greater expected return on plan assets resulting from an increased plan asset base due to a voluntary contribution of $1.0 billion made at the beginning of January 2015, which in turn was partially offset by a decrease in the expected rate of return on plan assets from 8.5% to 8.3% and (ii) lower interest costs resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation.
2014 v. 2013––The decrease in net periodic benefit costs for our U.S. qualified pension plans was primarily driven by (i) the decrease in the amounts amortized for actuarial losses resulting from the increase, in 2013, in the discount rate used to determine the benefit obligation (which reduced the amount of deferred actuarial losses), (ii) lower service cost resulting from cost-reduction initiatives, (iii) lower settlement activity and (iv) greater expected return on plan assets resulting from an increased plan asset base, partially offset by higher interest costs resulting from the increase, in 2013, in the discount rate used to determine the benefit obligation.
(b) 
2015 v. 2014––The increase in net periodic benefit costs for our U.S. supplemental (non-qualified) pension plans was primarily driven by (i) an increase in the amounts amortized for actuarial losses resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation, and (ii) higher settlement activity.
2014 v. 2013––The decrease in net periodic benefit costs for our U.S. supplemental (non-qualified) pension plans was primarily driven by (i) the decrease in the amounts amortized for actuarial losses resulting from the increase, in 2013, in the discount rate used to determine the benefit obligation, (ii) lower settlement activity and (iii) lower interest costs.
(c) 
2015 v. 2014––The increase in net periodic benefit costs for our international pension plans was primarily driven by (i) a decrease in the expected return on plan assets due to a lower expected rate of return on plan assets, (ii) an increase in the amounts amortized for actuarial losses resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation, and (iii) higher settlement charges due to the settlement of a pension plan in Sweden. The aforementioned increase in net periodic benefit costs was partially offset by the decrease in interest cost resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation.
2014 v. 2013––The decrease in net periodic benefit costs for our international pension plans was primarily driven by (i) greater expected return on plan assets resulting from an increased plan asset base, (ii) the decrease in the amounts amortized for actuarial losses resulting from increases, in 2013, in the discount rates used to determine the benefit obligations, partially offset by (iii) increased curtailment losses primarily due to a loss relating to a U.K. pension plan freeze in the current year and (iv) changes in curtailments related to restructuring initiatives.
(d) 
2015 v. 2014––The decrease in net periodic benefit costs for our postretirement plans was primarily driven by (i) the increase in the amounts amortized for prior service credits and (ii) an increase in curtailment gain resulting from the implementation of changes to certain retiree medical benefits to adopt programs eligible for the Medicare Part D plan subsidy, as allowed under the employer group waiver plan, and another plan change to establish benefit caps for certain plan participants, as well as (iii) a decrease in interest cost resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation. The aforementioned decreases were partially offset by an increase in actuarial losses resulting from the decrease, in 2014, in the discount rate used to determine the benefit obligation.
2014 v. 2013––The decrease in net periodic benefit costs for our postretirement plans was primarily driven by the decrease in the amounts amortized for actuarial losses resulting from the increase, in 2013, in the discount rate used to determine the benefit obligation (which reduced the amount of deferred actuarial losses).
(e) 
For details of the changes in Other comprehensive income/(loss), see the benefit plan activity in the consolidated statements of comprehensive income.
The following table provides the amounts in Accumulated other comprehensive loss expected to be amortized into 2016 net periodic benefit costs:
  
 
Pension Plans
 
  
(MILLIONS OF DOLLARS)
 
U.S.
Qualified
 
U.S. Supplemental
(Non-Qualified)
 
International 
 
Postretirement Plans
Actuarial losses
 
$
(398
)
 
$
(37
)
 
$
(91
)
 
$
(29
)
Prior service credits and other
 
(5
)
 
1

 
2

 
164

Total
 
$
(403
)
 
$
(36
)
 
$
(89
)
 
$
135


B. Actuarial Assumptions
The following table provides the weighted-average actuarial assumptions of our benefit plans:
(PERCENTAGES)
 
2015
 
2014
 
2013
Weighted-average assumptions used to determine benefit obligations
 
 
 
 
 
 
Discount rate:
 
 
 
 
 
 
U.S. qualified pension plans
 
4.5
%
 
4.2
%
 
5.2
%
U.S. non-qualified pension plans
 
4.5
%
 
4.0
%
 
4.8
%
International pension plans
 
3.1
%
 
3.0
%
 
3.9
%
Postretirement plans
 
4.5
%
 
4.2
%
 
5.1
%
Rate of compensation increase:
 
 
 
 
 
 
U.S. qualified pension plans
 
2.8
%
 
2.8
%
 
2.8
%
U.S. non-qualified pension plans
 
2.8
%
 
2.8
%
 
2.8
%
International pension plans
 
2.6
%
 
2.7
%
 
2.9
%
Weighted-average assumptions used to determine net periodic benefit cost
 
 
 
 
 
 
Discount rate:
 
 
 
 
 
 
U.S. qualified pension plans
 
4.2
%
 
5.2
%
 
4.3
%
U.S. non-qualified pension plans
 
4.0
%
 
4.8
%
 
3.9
%
International pension plans
 
3.0
%
 
3.9
%
 
3.8
%
Postretirement plans
 
4.2
%
 
5.1
%
 
4.1
%
Expected return on plan assets:
 
 
 
 
 
 
U.S. qualified pension plans
 
8.3
%
 
8.5
%
 
8.5
%
International pension plans
 
5.5
%
 
5.8
%
 
5.6
%
Postretirement plans
 
8.3
%
 
8.5
%
 
8.5
%
Rate of compensation increase:
 
 
 
 
 
 
U.S. qualified pension plans
 
2.8
%
 
2.8
%
 
2.8
%
U.S. non-qualified pension plans
 
2.8
%
 
2.8
%
 
2.8
%
International pension plans
 
2.7
%
 
2.9
%
 
3.1
%

The assumptions above are used to develop the benefit obligations at fiscal year-end and to develop the net periodic benefit cost for the subsequent fiscal year. Therefore, the assumptions used to determine net periodic benefit cost for each year are established at the end of each previous fiscal year, while the assumptions used to determine benefit obligations are established at each fiscal year-end.

The net periodic benefit cost and the benefit obligations are based on actuarial assumptions that are reviewed on at least an annual basis. We revise these assumptions based on an annual evaluation of long-term trends, as well as market conditions that may have an impact on the cost of providing retirement benefits.

The weighted-average discount rate for our U.S. defined benefit plans is determined annually and evaluated and modified to reflect at year-end the prevailing market rate of a portfolio of high-quality fixed income investments, rated AA/Aa or better that reflect the rates at
which the pension benefits could be effectively settled. For our international plans, the discount rates are set by benchmarking against investment grade corporate bonds rated AA/Aa or better, including, when there is sufficient data, a yield curve approach. These rate determinations are made consistent with local requirements. Overall, the yield curves used to determine the discount rates at year-end 2015 exhibited higher interest rates as compared to the prior year.
The following table provides the healthcare cost trend rate assumptions for our U.S. postretirement benefit plans:
 
 
2015

 
2014

Healthcare cost trend rate assumed for next year(a)
 
7.4
%
 
7.0
%
Rate to which the cost trend rate is assumed to decline
 
4.5
%
 
4.5
%
Year that the rate reaches the ultimate trend rate
 
2037

 
2027


(a) 
In 2015 Pfizer started using separate healthcare cost trend rates for U.S. postretirement plan participants based on their age (6.5% for plan participants up to the age of 65, and 7.9% for plan participants age 65 and over). The rate shown in the table is a blended rate, for ease of comparison.
The following table provides the effects as of December 31, 2015 of a one-percentage-point increase or decrease in the healthcare cost trend rate assumed for postretirement benefits:
(MILLIONS OF DOLLARS)
 
Increase

 
Decrease

Effect on total service and interest cost components
 
$
11

 
$
(11
)
Effect on postretirement benefit obligation
 
77

 
(80
)

Actuarial and other assumptions for pension and postretirement plans can result from a complex series of judgments about future events and uncertainties and can rely heavily on estimates and assumptions. For a description of the risks associated with estimates and assumptions, see Note 1C.

C. Obligations and Funded Status
The following table provides an analysis of the changes in our benefit obligations, plan assets and funded status of our benefit plans:
  
 
Year Ended December 31,
 
 
Pension Plans
 
 
 
 
 
 
U.S. Qualified(a)
 
U.S. Supplemental
(Non-Qualified)(b)
 
International(c)
 
Postretirement
Plans(d)
(MILLIONS OF DOLLARS)
 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

Change in benefit obligation(e)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Benefit obligation, beginning
 
$
16,575

 
$
13,976

 
$
1,481

 
$
1,341

 
$
10,796

 
$
10,316

 
$
3,168

 
$
3,438

Service cost
 
287

 
253

 
22

 
20

 
186

 
197

 
55

 
55

Interest cost
 
676

 
697

 
54

 
57

 
307

 
393

 
117

 
169

Employee contributions
 

 

 

 

 
7

 
8

 
79

 
75

Plan amendments
 
62

 

 
4

 

 
(1
)
 
(54
)
 
(497
)
 
(692
)
Changes in actuarial assumptions and other
 
(774
)
 
2,653

 
(70
)
 
218

 
(273
)
 
1,346

 
(185
)
 
447

Foreign exchange impact
 

 

 

 

 
(938
)
 
(794
)
 
(20
)
 
(10
)
Acquisitions/divestitures/other, net
 
542

 

 
9

 

 
19

 
(55
)
 
49

 

Curtailments
 
3

 
2

 

 

 
(2
)
 
(127
)
 
(3
)
 
(4
)
Settlements
 
(2,034
)
 
(308
)
 
(93
)
 
(96
)
 
(499
)
 
(32
)
 

 

Special termination benefits
 

 

 

 

 
1

 
8

 

 

Benefits paid
 
(412
)
 
(697
)
 
(65
)
 
(58
)
 
(389
)
 
(408
)
 
(300
)
 
(309
)
Benefit obligation, ending(e)
 
14,926

 
16,575

 
1,343

 
1,481

 
9,214

 
10,796

 
2,463

 
3,168

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Change in plan assets
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair value of plan assets, beginning
 
12,706

 
12,869

 

 

 
8,588

 
8,250

 
762

 
741

Actual gain/(loss) on plan assets
 
(124
)
 
819

 

 

 
290

 
1,046

 
(3
)
 
45

Company contributions
 
1,000

 
23

 
158

 
154

 
558

 
316

 
84

 
210

Employee contributions
 

 

 

 

 
7

 
8

 
79

 
75

Foreign exchange impact
 

 

 

 

 
(602
)
 
(594
)
 

 

Acquisitions/divestitures, net
 
496

 

 

 

 
6

 
3

 

 

Settlements
 
(2,034
)
 
(308
)
 
(93
)
 
(96
)
 
(499
)
 
(32
)
 

 

Benefits paid
 
(412
)
 
(697
)
 
(65
)
 
(58
)
 
(389
)
 
(408
)
 
(300
)
 
(309
)
Fair value of plan assets, ending
 
11,633

 
12,706

 

 

 
7,959

 
8,588

 
622

 
762

Funded status—Plan assets less than benefit obligation
 
$
(3,292
)
 
$
(3,869
)
 
$
(1,343
)
 
$
(1,481
)
 
$
(1,255
)
 
$
(2,208
)
 
$
(1,841
)
 
$
(2,406
)
(a) 
The favorable change in the funded status of our U.S. qualified plans was primarily due to (i) the plan gains resulting from the increase in the discount rate, and (ii) a $1 billion voluntary contribution to the plans, partially offset by (i) the net impact of the acquisition of Hospira and (ii) a decrease in the actual return on assets.
(b) 
Our U.S. supplemental (non-qualified) plans are generally not funded and these obligations, which are substantially greater than the annual cash outlay for these liabilities, will be paid from cash generated from operations. The decrease in the benefit obligation is primarily due to an increase in the discount rate.
(c) 
The favorable change in the international plans’ funded status was primarily due to (i) plan gains related to favorable changes in actuarial assumptions and experience, (ii) an increase in company contributions to plan assets and (iii) foreign exchange impacts.
(d) 
The favorable change in the funded status of our postretirement plans was primarily due to (i) plan gains resulting from favorable changes in plan assumptions and an increase in the discount rate, and (ii) the impact of a plan amendment approved in June 2015 that introduced a cap on costs for certain groups within the plan, partially offset by (i) the reduced company contributions as the result of reimbursements received for eligible prescription drug expenses for certain retirees and (ii) the acquisition of Hospira.
(e) 
For the U.S. and international pension plans, the benefit obligation is the projected benefit obligation (PBO). For the postretirement plans, the benefit obligation is the accumulated postretirement benefit obligation (ABO). The ABO for all of our U.S. qualified pension plans was $14.8 billion in 2015 and $16.3 billion in 2014. The ABO for our U.S. supplemental (non-qualified) pension plans was $1.3 billion in 2015 and $1.4 billion in 2014. The ABO for our international pension plans was $8.8 billion in 2015 and $10.3 billion in 2014.
The following table provides information as to how the funded status is recognized in our consolidated balance sheets:
  
 
As of December 31,
 
 
Pension Plans
 
 
 
 
 
 
U.S. Qualified
 
U.S. Supplemental
(Non-Qualified)
 
International
 
Postretirement
Plans
(MILLIONS OF DOLLARS)
 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

Noncurrent assets(a)
 
$

 
$

 
$

 
$

 
$
572

 
$
509

 
$

 
$

Current liabilities(b)
 

 

 
(126
)
 
(136
)
 
(25
)
 
(45
)
 
(31
)
 
(27
)
Noncurrent liabilities(c)
 
(3,292
)
 
(3,869
)
 
(1,216
)
 
(1,345
)
 
(1,801
)
 
(2,671
)
 
(1,809
)
 
(2,379
)
Funded status
 
$
(3,292
)
 
$
(3,869
)
 
$
(1,343
)
 
$
(1,481
)
 
$
(1,255
)
 
$
(2,208
)
 
$
(1,841
)
 
$
(2,406
)
(a) 
Included primarily in Other noncurrent assets.
(b) 
Included in Accrued compensation and related items.
(c) 
Included in Pension benefit obligations, net and Postretirement benefit obligations, net, as appropriate.
The following table provides the pre-tax components of cumulative amounts recognized in Accumulated other comprehensive loss:
 
 
As of December 31,
 
 
Pension Plans
 
 
 
 
 
 
U.S. Qualified
 
U.S. Supplemental
(Non-Qualified)
 
International
 
Postretirement
Plans
(MILLIONS OF DOLLARS)
 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

Actuarial losses(a)
 
$
(4,272
)
 
$
(4,735
)
 
$
(419
)
 
$
(567
)
 
$
(1,979
)
 
$
(2,527
)
 
$
(523
)
 
$
(745
)
Prior service (costs)/credits
 
(33
)
 
35

 
4

 
10

 
29

 
36

 
1,415

 
1,098

Total
 
$
(4,305
)
 
$
(4,700
)
 
$
(415
)
 
$
(557
)
 
$
(1,949
)
 
$
(2,492
)
 
$
892

 
$
352

(a) 
The accumulated actuarial losses primarily represent the impact of changes in discount rates and other assumptions that result in cumulative changes in our projected benefit obligations, as well as the cumulative difference between the expected return and actual return on plan assets. These accumulated actuarial losses are recognized in Accumulated other comprehensive loss and are amortized into net periodic benefit costs primarily over the average remaining service period for active participants, using the corridor approach. The average amortization periods utilized are 8.2 years for our U.S. qualified plans, 8.1 years for our U.S. supplemental (non-qualified) plans, 17 years for our international plans, and 9.5 years for our postretirement plans.
The following table provides information related to the funded status of selected benefit plans:
 
 
As of December 31,
 
 
Pension Plans
 
 
U.S. Qualified
 
U.S. Supplemental (Non-Qualified)
 
International
(MILLIONS OF DOLLARS)
 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

Pension plans with an accumulated benefit obligation in excess of plan assets:
 
 
 
 
 
 
 
 
 
 
 
 
Fair value of plan assets
 
$
11,633

 
$
12,706

 
$

 
$

 
$
976

 
$
1,718

Accumulated benefit obligation
 
14,755

 
16,323

 
1,324

 
1,447

 
2,495

 
4,021

Pension plans with a projected benefit obligation in excess of plan assets:
 
 
 
 
 
 
 
 
 
 
 
 
Fair value of plan assets
 
11,633

 
12,706

 

 

 
1,546

 
1,999

Projected benefit obligation
 
14,926

 
16,575

 
1,343

 
1,481

 
3,373

 
4,715


All of our U.S. plans and many of our international plans were underfunded as of December 31, 2015.

D. Plan Assets
The following table provides the components of plan assets:
  
 
  
 
Fair Value(a)
 
  
 
Fair Value(a)
(MILLIONS OF DOLLARS)
 
As of December 31, 2015

 
Level 1
 
Level 2
 
Level 3
 
As of December 31, 2014

 
Level 1
 
Level 2
 
Level 3
U.S. qualified pension plans
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash and cash equivalents
 
$
417

 
$
81

 
$
336

 
$

 
$
756

 
$
84

 
$
672

 
$

Equity securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Global equity securities
 
3,720

 
3,717

 
2

 
1

 
3,394

 
3,391

 
2

 
1

Equity commingled funds
 
951

 

 
825

 
126

 
1,647

 

 
1,500

 
147

Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Corporate debt securities
 
2,866

 
3

 
2,861

 
2

 
3,013

 

 
3,008

 
5

Government and agency obligations
 
989

 

 
989

 

 
1,124

 

 
1,124

 

Fixed income commingled funds
 
222

 

 
222

 

 
242

 

 
242

 

Other investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Partnership investments(b)
 
1,120

 

 
129

 
991

 
1,156

 

 
198

 
958

Insurance contracts
 
259

 

 
259

 

 
278

 

 
278

 

Other commingled funds(c)
 
1,089

 

 

 
1,089

 
1,096

 

 

 
1,096

Total
 
11,633

 
3,801

 
5,623

 
2,209

 
12,706

 
3,475

 
7,024

 
2,207

International pension plans
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash and cash equivalents
 
207

 
14

 
193

 

 
331

 
25

 
306

 

Equity securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Global equity securities
 
901

 
815

 
85

 

 
1,781

 
1,674

 
107

 

Equity commingled funds
 
2,218

 
16

 
2,119

 
83

 
1,851

 
19

 
1,832

 

Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Corporate debt securities
 
653

 
171

 
481

 

 
773

 
183

 
590

 

Government and agency obligations
 
1,224

 
109

 
1,114

 

 
1,213

 
140

 
1,073

 

Fixed income commingled funds
 
1,216

 
37

 
1,142

 
37

 
1,037

 
44

 
969

 
24

Other investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Partnership investments(b)
 
58

 

 
6

 
52

 
61

 

 
6

 
55

Insurance contracts
 
257

 

 
21

 
236

 
425

 
1

 
150

 
274

Other(c)
 
1,227

 
59

 
370

 
798

 
1,116

 
46

 
326

 
744

Total
 
7,959

 
1,222

 
5,531

 
1,206

 
8,588

 
2,132

 
5,359

 
1,097

U.S. postretirement plans(d)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash and cash equivalents
 
6

 

 
6

 

 
18

 
1

 
17

 

Equity securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Global equity securities
 
64

 
64

 

 

 
89

 
89

 

 

Equity commingled funds
 
16

 

 
14

 
2

 
44

 

 
40

 
4

Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Corporate debt securities
 
49

 

 
49

 

 
79

 

 
79

 

Government and agency obligations
 
17

 

 
17

 

 
30

 

 
30

 

Fixed income commingled funds
 
4

 

 
4

 

 
6

 

 
6

 

Other investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Partnership investments(b)
 
19

 

 
2

 
17

 
30

 

 
5

 
25

Insurance contracts
 
429

 

 
429

 

 
437

 

 
437

 

Other commingled funds(c)
 
19

 

 

 
19

 
29

 

 

 
29

Total
 
$
622

 
$
64

 
$
521

 
$
38

 
$
762

 
$
90

 
$
614

 
$
58

(a) 
Fair values are determined based on valuation inputs categorized as Level 1, 2 or 3 (see Note 1E).
(b) 
Primarily includes investments in private equity, private debt, public equity limited partnerships, and, to a lesser extent, real estate and venture capital.
(c) 
Primarily includes, for U.S. plan assets, investments in hedge funds and, to a lesser extent, real estate and, for international plan assets, investments in real estate and hedge funds.
(d) 
Reflects postretirement plan assets, which support a portion of our U.S. retiree medical plans.
The following table provides an analysis of the changes in our more significant investments valued using significant unobservable inputs:
 
 
Year Ended December 31,
 
 
U.S. Qualified Pension Plans
 
International Pension Plans
 
 
Partnership investments
 
Other commingled funds
 
Insurance contracts
 
Other
(MILLIONS OF DOLLARS)
 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

 
2015

 
2014

Fair value, beginning
 
$
958

 
$
932

 
$
1,096

 
$
715

 
$
274

 
$
300

 
$
744

 
$
500

Actual return on plan assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Assets held, ending
 
84

 
104

 
(8
)
 
47

 
16

 
23

 
25

 
47

Assets sold during the period
 

 

 
(34
)
 
(7
)
 

 

 
3

 
8

Purchases, sales and settlements, net
 
(51
)
 
(78
)
 
35

 
341

 
(17
)
 
(20
)
 
73

 
254

Transfer into/(out of) Level 3
 

 

 

 

 

 

 

 
(19
)
Exchange rate changes
 

 

 

 

 
(37
)
 
(29
)
 
(47
)
 
(46
)
Fair value, ending
 
$
991

 
$
958

 
$
1,089

 
$
1,096

 
$
236

 
$
274

 
$
798

 
$
744



A single estimate of fair value can result from a complex series of judgments about future events and uncertainties and can rely heavily on estimates and assumptions. For a description of our general accounting policies associated with developing fair value estimates, see Note 1E. For a description of the risks associated with estimates and assumptions, see Note 1C.

Specifically, the following methods and assumptions were used to estimate the fair value of our pension and postretirement plans’ assets:
Cash and cash equivalents, Equity commingled funds, Fixed-income commingled funds––observable prices.
Global equity securities—quoted market prices.
Government and agency obligations, Corporate debt securities—observable market prices.
Other investments—principally unobservable inputs that are significant to the estimation of fair value. These unobservable inputs could include, for example, the investment managers’ assumptions about earnings multiples and future cash flows.
We periodically review the methodologies, inputs and outputs of third-party pricing services for reasonableness.
The following table provides the long-term target asset allocations ranges and the percentage of the fair value of plan assets for benefit plans:
  
 
As of December 31,
  
 
Target
Allocation Percentage

 
Percentage of Plan Assets
(PERCENTAGES)
 
2015

 
2015

 
2014

U.S. qualified pension plans
 
 
 
 
 
 
Cash and cash equivalents
 
0-10%

 
3.6
%
 
5.9
%
Equity securities
 
35-55%

 
40.2
%
 
39.7
%
Fixed income securities
 
30-55%

 
35.0
%
 
34.5
%
Other investments(a)
 
5-17.5%

 
21.2
%
 
19.9
%
Total
 
100
%
 
100
%
 
100
%
International pension plans
 
 
 
 
 
 
Cash and cash equivalents
 
0-10%

 
2.6
%
 
3.9
%
Equity securities
 
35-55%

 
39.2
%
 
42.3
%
Fixed income securities
 
30-55%

 
38.8
%
 
35.2
%
Other investments(a)
 
5-17.5%

 
19.4
%
 
18.6
%
Total
 
100
%
 
100
%
 
100
%
U.S. postretirement plans
 
 
 
 
 
 
Cash and cash equivalents
 
0-5%

 
1.0
%
 
2.4
%
Equity securities
 

 
12.8
%
 
17.4
%
Fixed income securities
 

 
11.2
%
 
15.1
%
Other investments
 
95-100%

 
75.0
%
 
65.1
%
Total
 
100
%
 
100
%
 
100
%
(a) 
Actual percentage of plan assets in Other Investments for 2015 includes $259 million related to a group fixed annuity insurance contract that was executed by legacy Wyeth for certain members of its defined benefit plans prior to Pfizer acquiring the company in 2009, and $129 million related to an investment in a partnership whose primary holdings are public equity securities. 
Global plan assets are managed with the objective of generating returns that will enable the plans to meet their future obligations, while seeking to minimize net periodic benefit costs and cash contributions over the long-term. We utilize long-term asset allocation ranges in the management of our plans’ invested assets. Our long-term return expectations are developed based on a diversified, global investment strategy that takes into account historical experience, as well as the impact of portfolio diversification, active portfolio management, and our view of current and future economic and financial market conditions. As market conditions and other factors change, we may adjust our targets accordingly and our asset allocations may vary from the target allocations.

Our long-term asset allocation ranges reflect our asset class return expectations and tolerance for investment risk within the context of the respective plans’ long-term benefit obligations. These ranges are supported by analysis that incorporates historical and expected returns by asset class, as well as volatilities and correlations across asset classes and our liability profile.

The investment managers of certain commingled funds and private equity funds may be permitted to use derivative securities as described in each respective investment management, subscription, partnership or other governing agreement.

E. Cash Flows

It is our practice to fund amounts for our qualified pension plans that are at least sufficient to meet the minimum requirements set forth in applicable employee benefit laws and local tax laws.
The following table provides the expected future cash flow information related to our benefit plans:
  
 
Pension Plans
 
 
(MILLIONS OF DOLLARS)
 
U.S. Qualified
 
U.S. Supplemental
(Non-Qualified)
 
International
 
Postretirement Plans

Expected employer contributions:
 
 
 
 
 
 
 
 
2016(a)
 
$
1,000

 
$
126

 
$
170

 
$
(9
)
Expected benefit payments:
 
 
 
 
 
 
 
 
2016
 
$
1,000

 
$
126

 
$
350

 
$
198

2017
 
1,655

 
121

 
348

 
205

2018
 
985

 
125

 
352

 
208

2019
 
947

 
110

 
359

 
208

2020
 
959

 
114

 
370

 
207

2021–2025
 
4,517

 
512

 
1,959

 
1,001

(a) 
For the U.S. qualified plans, the $1.0 billion voluntary contribution was paid in January 2016. For the U.S. postretirement plans, the Internal Revenue Code 401(h) reimbursement in January 2016 totaling $198 million is expected to exceed the payments.

The table reflects the total U.S. and international plan benefits projected to be paid from the plans or from our general assets under the current actuarial assumptions used for the calculation of the benefit obligation and, therefore, actual benefit payments may differ from projected benefit payments.
F. Defined Contribution Plans

We have defined contribution plans in the U.S. and several other countries. For the majority of the U.S. defined contribution plans, employees may contribute a portion of their salaries and bonuses to the plans, and we match, in cash, a portion of the employee contributions. Beginning on January 1, 2011, for newly hired non-union employees, rehires and transfers to the U.S. or Puerto Rico, we no longer offer a defined benefit pension plan and, instead, offer a retirement savings contribution (RSC) in the defined contribution plan. Beginning on January 1, 2018, all non-union employees in those U.S. and Puerto Rico defined benefit plans will receive the RSC in the defined contribution plans. The RSC enhanced benefit consists of a non-contributory employer contribution (that is, not dependent upon the participant making a contribution) determined based on each employee’s eligible compensation, age and years of service. We recorded charges related to the employer contributions to global defined contribution plans of $287 million in 2015, $278 million in 2014 and $266 million in 2013.