Other income, net included: | | | | | | | | | | | | | | Year Ended December 31, | | 2015 | | 2014 | | 2013 | | (in millions) | Interest income | $ | 5 |
| | $ | 10 |
| | $ | 14 |
| Loss on extinguishment of debt | (58 | ) | | (34 | ) | | (39 | ) | Costs associated with acquisitions | (41 | ) | | (6 | ) | | — |
| Gain on insurance recovery | — |
| | 14 |
| | — |
| Contingent consideration liability fair value adjustment | 7 |
| | — |
| | — |
| Other, net | (1 | ) | | 8 |
| | 7 |
| Other (expense) income, net | $ | (88 | ) | | $ | (8 | ) | | $ | (18 | ) |
|