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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | The following table details the changes in the carrying amount of goodwill:
| Engineered Products and Forgings |  | Global Rolled Products |  | Total
Balances at December 31, 2017 |  |  |  |  |
Goodwill | $ | 4,931 |  |  | $ | 351 |  |  | $ | 5,282 |
Accumulated impairment losses(1) | (719 | ) |  | (28 | ) |  | (747 | )
Goodwill, net | 4,212 |  |  | 323 |  |  | 4,535 |
Acquisitions and Divestitures (F) | (1 | ) |  | — |  |  | (1 | )
Translation and other | (25 | ) |  | (9 | ) |  | (34 | )
Balances at December 31, 2018 |  |  |  |  |
Goodwill | 4,905 |  |  | 342 |  |  | 5,247 |
Accumulated impairment losses | (719 | ) |  | (28 | ) |  | (747 | )
Goodwill, net | 4,186 |  |  | 314 |  |  | 4,500 |
Divestitures (T) | (13 | ) |  | — |  |  | (13 | )
Translation and other | 4 |  |  | 2 |  |  | 6 |
Transfer from Engineered Structures to Aluminum Extrusions | (110 | ) |  | 110 |  |  | — |
Balances at December 31, 2019 |  |  |  |  |
Goodwill | 4,786 |  |  | 454 |  |  | 5,240 |
Accumulated impairment losses | (719 | ) |  | (28 | ) |  | (747 | )
Goodwill, net | $ | 4,067 |  |  | $ | 426 |  |  | $ | 4,493 |
(1) $25 of fully impaired goodwill related to Latin America Extrusions has been moved to Corporate. See Note B.
Other Intangible Assets | Other intangible assets were as follows:
December 31, 2019 | Gross carrying amount |  | Accumulated amortization |  | Intangibles, net
Computer software | $ | 744 |  |  | $ | (659 | ) |  | $ | 85 |
Patents and licenses | 95 |  |  | (93 | ) |  | 2 |
Other intangibles | 714 |  |  | (175 | ) |  | 539 |
Total amortizable intangible assets | 1,553 |  |  | (927 | ) |  | 626 |
Indefinite-lived trade names and trademarks | 32 |  |  | — |  |  | 32 |
Total other intangible assets | $ | 1,585 |  |  | $ | (927 | ) |  | $ | 658 |
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 |

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