| Pension Benefits | ||||||||||
| U.S. | Non-U.S. | |||||||||
| 2013 | 2012 | 2013 | 2012 | |||||||
| (millions of dollars) | ||||||||||
| For funded pension plans with an accumulated benefit obligation | ||||||||||
| in excess of plan assets: | ||||||||||
| Projected benefit obligation | 14,737 | 17,070 | 891 | 9,422 | ||||||
| Accumulated benefit obligation | 12,342 | 14,171 | 689 | 8,184 | ||||||
| Fair value of plan assets | 11,189 | 12,631 | 611 | 7,048 | ||||||
| For unfunded pension plans: | ||||||||||
| Projected benefit obligation | 2,567 | 2,709 | 7,133 | 7,333 | ||||||
| Accumulated benefit obligation | 1,647 | 1,731 | 6,070 | 6,103 | ||||||