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RETIREMENT PLANS (Tables)
3 Months Ended
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans [Table Text Block]
Net periodic pension expense for our qualified and nonqualified U.S. defined benefit plans comprised the following: 
 
Three Months Ended
March 31,
In millions
2014
 
2013
Service cost
$
38

 
$
48

Interest cost
153

 
144

Expected return on plan assets
(189
)
 
(182
)
Actuarial loss
80

 
122

Amortization of prior service cost
8

 
8

Net periodic pension expense
$
90

 
$
140