CATERPILLAR INC | 2013 | FY | 3

The following amounts relate to our pension plans with accumulated benefit obligations in excess of plan assets:
 
 
 
U.S. Pension Benefits at Year-end
 
Non-U.S. Pension Benefits at Year-end
(Millions of dollars)
 
2013
 
2012
 
2011
 
2013
 
2012
 
2011
Projected benefit obligation
 
$
14,352

 
$
15,913

 
$
14,782

 
$
1,436

 
$
4,107

 
$
4,112

Accumulated benefit obligation
 
$
13,989

 
$
15,132

 
$
14,055

 
$
1,374

 
$
3,752

 
$
3,600

Fair value of plan assets
 
$
12,323

 
$
10,981

 
$
9,997

 
$
797

 
$
2,806

 
$
2,661

us-gaap:ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock