| 2007 | 2006 | 2005 |
Acquired Finite-Lived Intangible Assets [Line Items] | Acquired Intangible Assets, Gross | | Patents [Member] | 446,000,000 | 419,000,000 | |
Other Intangibles [Member] | 801,000,000 | 641,000,000 | |
Trade Names [Member] | 75,000,000 | 68,000,000 | |
Finite-Lived Intangible Assets, Major Class Name [Domain] | 1,322,000,000 | 1,128,000,000 | |
Accumulated Amortization, Acquired Intangible Assets | | Patents [Member] | 305,000,000 | 266,000,000 | |
Other Intangibles [Member] | 216,000,000 | 154,000,000 | |
Trade Names [Member] | | | |
Finite-Lived Intangible Assets, Major Class Name [Domain] | 521,000,000 | 420,000,000 | |
Acquired Intangible Assets, Net | | Patents [Member] | | | |
Other Intangibles [Member] | | | |
Trade Names [Member] | | | |
Finite-Lived Intangible Assets, Major Class Name [Domain] | 801,000,000 | 708,000,000 | |