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Pension And Other Postretirement Benefits
3 Months Ended
Mar. 31, 2015
Pension And Other Postretirement Benefits [Abstract]  
Pension And Other Postretirement Benefits

6. Pension and Other Postretirement Benefits

Three Months Ended
March 31,
20152014
(millions of dollars)
Components of net benefit cost
Pension Benefits - U.S.
Service cost195 177
Interest cost196 202
Expected return on plan assets(207)(200)
Amortization of actuarial loss/(gain) and prior service cost138 104
Net pension enhancement and curtailment/settlement cost117 112
Net benefit cost439 395
Pension Benefits - Non-U.S.
Service cost176 150
Interest cost218 285
Expected return on plan assets(278)(298)
Amortization of actuarial loss/(gain) and prior service cost211 192
Net benefit cost327 329
Other Postretirement Benefits
Service cost37 37
Interest cost90 92
Expected return on plan assets(7)(9)
Amortization of actuarial loss/(gain) and prior service cost45 43
Net benefit cost165 163