| Pension benefits | Postretirement benefits | |||||||||||
| As of June 30, | ||||||||||||
| 2013 | 2012 | 2013 | 2012 | |||||||||
| (in millions) | ||||||||||||
| Projected benefit obligation, beginning of the year | $ | 3,855 | $ | 3,204 | $ | 377 | $ | 313 | ||||
| Service cost | 105 | 97 | 4 | 5 | ||||||||
| Interest cost | 101 | 176 | 6 | 16 | ||||||||
| Benefits paid | (51) | (115) | (7) | (19) | ||||||||
| Settlements(a) | (66) | (131) | - | - | ||||||||
| Actuarial (gain) loss(b) | (279) | 660 | (3) | 62 | ||||||||
| Foreign exchange rate changes | (2) | (42) | - | - | ||||||||
| Other | (34) | 6 | - | - | ||||||||
| Separation of News Corp plans | (1,534) | - | (231) | - | ||||||||
| Projected benefit obligation, end of the year | 2,095 | 3,855 | 146 | 377 | ||||||||