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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS
 3 Months Ended
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS
Net Periodic Benefit Cost for All Significant Plans
Three Months Ended
In millions
Mar 31,
2015

 
Mar 31,
2014

Defined Benefit Pension Plans:
 
 
 
Service cost
$
125

 
$
103

Interest cost
244

 
276

Expected return on plan assets
(344
)
 
(332
)
Amortization of prior service cost (credit)
(7
)
 
6

Amortization of net loss
184

 
126

Net settlements (1)
—

 
2

Net periodic benefit cost
$
202

 
$
181

 
 
 
 
Other Postretirement Benefits:
 
 
 
Service cost
$
4

 
$
4

Interest cost
15

 
18

Amortization of prior service credit
(1
)
 
—

Amortization of net gain
(3
)
 
(4
)
Net periodic benefit cost
$
15

 
$
18


(1)
The 2014 impact relates to settlements associated with the wind-up of a Canadian pension plan.

The Company's funding policy is to contribute to defined benefit pension plans in the United States and a number of other countries when pension laws and/or economics either require or encourage funding. Dow expects to contribute approximately $850 million to its pension plans in 2015.