Amortized Intangible Assets, Excluding Goodwill, By Business Segment |
Amortized intangible assets, excluding goodwill, by segment are as follows: | | | | | | | | | | | | | | | | | | 2012 | | 2011 | December 31, | Gross Carrying Amount | | Accumulated Amortization | | Gross Carrying Amount | | Accumulated Amortization | Government | $ | 53 |
| | $ | 48 |
| | $ | 53 |
| | $ | 48 |
| Enterprise | 1,198 |
| | 1,094 |
| | 1,109 |
| | 1,066 |
| | $ | 1,251 |
| | $ | 1,142 |
| | $ | 1,162 |
| | $ | 1,114 |
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Goodwill |
The following table displays a rollforward of the carrying amount of goodwill by segment from January 1, 2010 to December 31, 2012: | | | | | | | | | | | | | | Government | | Enterprise | | Total Company | Balances as of January 1, 2010: | | | | | | Aggregate goodwill acquired | $ | 350 |
| | $ | 2,643 |
| | $ | 2,993 |
| Accumulated impairment losses | — |
| | (1,564 | ) | | (1,564 | ) | Goodwill, net of impairment losses | 350 |
| | 1,079 |
| | 1,429 |
|
| | | | | | Balance as of December 31, 2010: | | | | | | Aggregate goodwill acquired | 350 |
| | 2,643 |
| | 2,993 |
| Accumulated impairment losses | — |
| | (1,564 | ) | | (1,564 | ) | Goodwill, net of impairment losses | 350 |
| | 1,079 |
| | 1,429 |
| Goodwill acquired | — |
| | 20 |
| | 20 |
| Goodwill divested | — |
| | (21 | ) | | (21 | ) | | | | | | | Balance as of December 31, 2011: | | | | | | Aggregate goodwill acquired/divested | 350 |
| | 2,642 |
| | 2,992 |
| Accumulated impairment losses | — |
| | (1,564 | ) | | (1,564 | ) | Goodwill, net of impairment losses | 350 |
| | 1,078 |
| | 1,428 |
| Goodwill acquired | — |
| | 83 |
| | 83 |
| Goodwill divested | (1 | ) | | — |
| | (1 | ) | Balance as of December 31, 2012: | | | | | | Aggregate goodwill acquired/divested | 349 |
| | 2,725 |
| | 3,074 |
| Accumulated impairment losses | — |
| | (1,564 | ) | | (1,564 | ) | Goodwill, net of impairment losses | $ | 349 |
| | $ | 1,161 |
| | $ | 1,510 |
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