2013 | 2012 | |||||||||||
(in millions, except years) | Fair Value | Weighted-Average Useful Life | Fair Value | Weighted-Average Useful Life | ||||||||
Customer-related | $ | 55 | 12 years | $ | 1,530 | 8 years | ||||||
Trademarks and technology | 27 | 12 years | 79 | 4 years | ||||||||
Other | — | 111 | 15 years | |||||||||
Total acquired finite-lived intangible assets | $ | 82 | 12 years | $ | 1,720 | 9 years |