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Goodwill and Other Intangible Assets | 12 Months Ended
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Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets The following table details the changes in the carrying amount of goodwill:
| Engineered Products and Solutions |  | Global Rolled Products |  | Transportation and Construction Solutions |  | Total
Balances at December 31, 2016 |  |  |  |  |  |  |
Goodwill | $ | 4,832 |  |  | $ | 241 |  |  | $ | 128 |  |  | $ | 5,201 |
Accumulated impairment losses | — |  |  | — |  |  | (53 | ) |  | (53 | )
Goodwill, net | 4,832 |  |  | 241 |  |  | 75 |  |  | 5,148 |
Impairment (A) | (719 | ) |  | — |  |  | — |  |  | (719 | )
Translation and other | 92 |  |  | 11 |  |  | 3 |  |  | 106 |
Balances at December 31, 2017 |  |  |  |  |  |  |
Goodwill | 4,924 |  |  | 252 |  |  | 131 |  |  | 5,307 |
Accumulated impairment losses | (719 | ) |  | — |  |  | (53 | ) |  | (772 | )
Goodwill, net | 4,205 |  |  | 252 |  |  | 78 |  |  | 4,535 |
Divestitures (T) | (1 | ) |  | — |  |  | — |  |  | (1 | )
Translation and other | (25 | ) |  | (7 | ) |  | (2 | ) |  | (34 | )
Balances at December 31, 2018 |  |  |  |  |  |  |
Goodwill | 4,898 |  |  | 245 |  |  | 129 |  |  | 5,272 |
Accumulated impairment losses | (719 | ) |  | — |  |  | (53 | ) |  | (772 | )
Goodwill, net | $ | 4,179 |  |  | $ | 245 |  |  | $ | 76 |  |  | $ | 4,500 |
In 2017, Arconic recognized an impairment of goodwill in the amount of $719 related to the annual impairment review of the Arconic Forgings and Extrusions business. See Goodwill policy in Note A. Other intangible assets were as follows:
December 31, 2018 | Gross carrying amount |  | Accumulated amortization |  | Intangibles, net
Computer software | $ | 768 |  |  | $ | (657 | ) |  | $ | 111 |
Patents and licenses | 110 |  |  | (107 | ) |  | 3 |
Other intangibles | 922 |  |  | (149 | ) |  | 773 |
Total amortizable intangible assets | 1,800 |  |  | (913 | ) |  | 887 |
Indefinite-lived trade names and trademarks | 32 |  |  | — |  |  | 32 |
Total other intangible assets | $ | 1,832 |  |  | $ | (913 | ) |  | $ | 919 |
December 31, 2017 | Gross carrying amount |  | Accumulated amortization |  | Intangibles, net
Computer software | $ | 789 |  |  | $ | (674 | ) |  | $ | 115 |
Patents and licenses | 110 |  |  | (107 | ) |  | 3 |
Other intangibles | 953 |  |  | (116 | ) |  | 837 |
Total amortizable intangible assets | 1,852 |  |  | (897 | ) |  | 955 |
Indefinite-lived trade names and trademarks | 32 |  |  | — |  |  | 32 |
Total other intangible assets | $ | 1,884 |  |  | $ | (897 | ) |  | $ | 987 |
Computer software consists primarily of software costs associated with an enterprise business solution within Arconic to drive common systems among all businesses. Amortization expense related to the intangible assets in the tables above for the years ended December 31, 2018, 2017, and 2016 was $81, $71, and $65, respectively, and is expected to be in the range of approximately $63 to $70 annually from 2019 to 2023.

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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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