XML 35 R22.htm IDEA: XBRL DOCUMENT v3.7.0.1
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS
 3 Months Ended
Mar. 31, 2017
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,
2017

 
Mar 31,
2016

Defined Benefit Pension Plans:
 
 
 
Service cost
$
125

 
$
104

Interest cost
219

 
197

Expected return on plan assets
(383
)
 
(342
)
Amortization of prior service credit
(6
)
 
(6
)
Amortization of net loss
157

 
146

Net periodic benefit cost
$
112

 
$
99

 
 
 
 
Other Postretirement Benefits:
 
 
 
Service cost
$
3

 
$
3

Interest cost
14

 
12

Amortization of prior service credit
—

 
(1
)
Amortization of net gain
(2
)
 
(2
)
Net periodic benefit cost
$
15

 
$
12