PFIZER INC | 2013 | FY | 3

The following table provides the changes, net of tax, in Accumulated other comprehensive income/(loss):
 
 
Net Unrealized Gain/(Losses)
 
Benefit Plans
 
 
(MILLIONS OF DOLLARS)
 
Foreign Currency Translation Adjustments

 
Derivative Financial Instruments

 
Available-For-Sale Securities

 
Actuarial Gains/(Losses)

 
Prior Service (Costs)/ Credits and Other

 
Accumulated Other Comprehensive Income/(Loss)

Balance, January 1, 2011
 
$
169

 
$
(79
)
 
$
28

 
$
(3,947
)
 
$
389

 
$
(3,440
)
Other comprehensive income/(loss)(a)
 
775

 
(104
)
 
(160
)
 
(1,173
)
 
(27
)
 
(689
)
Balance, December 31, 2011
 
944

 
(183
)
 
(132
)
 
(5,120
)
 
362

 
(4,129
)
Other comprehensive income/(loss)(a)
 
(1,121
)
 
22

 
368

 
(990
)
 
(103
)
 
(1,824
)
Balance, December 31, 2012
 
(177
)
 
(161
)
 
236

 
(6,110
)
 
259

 
(5,953
)
Other comprehensive income/(loss)(a)
 
(440
)
 
240

 
(86
)
 
2,887

 
54

 
2,655

Sale of 19.8% of subsidiary through an IPO(b)
 
27

 
—

 
—

 
—

 
—

 
27

Balance, December 31, 2013
 
$
(590
)
 
$
79

 
$
150

 
$
(3,223
)
 
$
313

 
$
(3,271
)
(a) 
Amounts do not include foreign currency translation adjustments attributable to noncontrolling interests of $62 million loss in 2013, $7 million loss in 2012 and$45 million loss in 2011.
(b) Relates to Zoetis (our former Animal Health subsidiary). See Note 2B. Acquisitions, Divestitures, Collaborative Arrangements and Equity-Method Investments: Divestitures.

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