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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill of $1.9 billion consisted of $1.4 billion recorded in GM Financial and $504 million included in Cruise at December 31, 2019 and 2018.
| December 31, 2019 |  | December 31, 2018
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Technology and intellectual property | $ | 734 |  |  | $ | 533 |  |  | $ | 201 |  |  | $ | 734 |  |  | $ | 457 |  |  | $ | 277 |
Brands | 4,298 |  |  | 1,285 |  |  | 3,013 |  |  | 4,299 |  |  | 1,165 |  |  | 3,134 |
Dealer network, customer relationships and other | 966 |  |  | 702 |  |  | 264 |  |  | 968 |  |  | 661 |  |  | 307 |
Total intangible assets | $ | 5,998 |  |  | $ | 2,520 |  |  | $ | 3,478 |  |  | $ | 6,001 |  |  | $ | 2,283 |  |  | $ | 3,718 |
Our amortization expense related to intangible assets was $202 million, $247 million, and $278 million in the years ended December 31, 2019, 2018 and 2017. Amortization expense related to intangible assets is estimated to be approximately $160 million in each of the next five years.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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