| ($ in millions) | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | Defined Benefit Pension Plans | | Nonpension Postretirement Benefit Plans | |
| | | U.S. Plans | | Non-U.S. Plans | | U.S. Plan | | Non-U.S. Plans | |
| At December 31: | | 2013 | | 2012 | | 2013 | | 2012 | | 2013 | | 2012 | | 2013 | | 2012 | |
| Prepaid pension assets | | $ | 4,639 | | $ | 0 | | $ | 912 | | $ | 944 | | $ | 0 | | $ | 0 | | $ | 1 | | $ | 0 | |
| Current liabilities— | | | | | | | | | | | | | | | | | | | | | | | | | |
| compensation and benefits | | | (107) | | | (102) | | | (364) | | | (356) | | | (256) | | | (239) | | | (16) | | | (20) | |
| Noncurrent liabilities—retirement | | | | | | | | | | | | | | | | | | | | | | | | |
| and nonpension postretirement | | | | | | | | | | | | | | | | | | | | | | | | | |
| benefit obligations | | | (1,612) | | | (3,078) | | | (9,705) | | | (11,849) | | | (4,200) | | | (4,610) | | | (725) | | | (880) | |
| Funded status—net | | $ | 2,920 | | $ | (3,180) | | $ | (9,157) | | $ | (11,261) | | $ | (4,456) | | $ | (4,849) | | $ | (740) | | $ | (900) | |
