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 | $ | 4,177 | $ | 4,310 | $ | 4,293 | ||||||||||||
Accumulated benefit obligation | $ | 13,989 | $ | 15,132 | $ | 14,055 | $ | 3,820 | $ | 3,903 | $ | 3,738 | ||||||||||||
Fair value of plan assets | $ | 12,323 | $ | 10,981 | $ | 9,997 | $ | 3,394 | $ | 2,969 | $ | 2,809 |