December 31, 2013 | December 31, 2012 | |||||||||||||||||||||||
(in millions) | Gross Carrying Value | Accumulated Amortization | Net Carrying Value | Gross Carrying Value | Accumulated Amortization | Net Carrying Value | ||||||||||||||||||
Customer-related | $ | 4,821 | $ | (2,028 | ) | $ | 2,793 | $ | 5,229 | $ | (1,629 | ) | $ | 3,600 | ||||||||||
Trademarks and technology | 433 | (191 | ) | 242 | 445 | (146 | ) | 299 | ||||||||||||||||
Trademarks - indefinite-lived | 589 | — | 589 | 611 | — | 611 | ||||||||||||||||||
Other | 284 | (64 | ) | 220 | 221 | (49 | ) | 172 | ||||||||||||||||
Total | $ | 6,127 | $ | (2,283 | ) | $ | 3,844 | $ | 6,506 | $ | (1,824 | ) | $ | 4,682 | ||||||||||