Information for pension plans with an accumulated benefit obligation in excess of plan assets follows:
| (dollars in millions) | ||||||||
| At December 31, | 2013 | 2012 | ||||||
|
Projected benefit obligation |
$ | 22,610 | $ | 26,351 | ||||
|
Accumulated benefit obligation |
22,492 | 26,081 | ||||||
|
Fair value of plan assets |
16,350 | 17,623 | ||||||