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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | The following table details the changes in the carrying amount of goodwill:
| Engine Products |  | Fastening Systems |  | Engineered Structures |  | Forged Wheels |  | Total
Balances at December 31, 2018 |  |  |  |  |  |  |  |  |
Goodwill | $ | 2,785 |  |  | $ | 1,607 |  |  | $ | 506 |  |  | $ | 7 |  |  | $ | 4,905 |
Accumulated impairment losses | (719) |  |  | — |  |  | — |  |  | — |  |  | (719) |
Goodwill, net | 2,066 |  |  | 1,607 |  |  | 506 |  |  | 7 |  |  | 4,186 |
Acquisitions and Divestitures (See Note U) | (13) |  |  | — |  |  | — |  |  | — |  |  | (13) |
Translation and other | 6 |  |  | — |  |  | (2) |  |  | — |  |  | 4 |
Transfer from Engineered Structures to Discontinued Operations (Arconic Corporation) | — |  |  | — |  |  | (110) |  |  | — |  |  | (110) |
Transfer from Engineered Structures to Engine Products | 105 |  |  | — |  |  | (105) |  |  | — |  |  | — |
Balances at December 31, 2019 |  |  |  |  |  |  |  |  |
Goodwill | 2,883 |  |  | 1,607 |  |  | 289 |  |  | 7 |  |  | 4,786 |
Accumulated impairment losses | (719) |  |  | — |  |  | — |  |  | — |  |  | (719) |
Goodwill, net | 2,164 |  |  | 1,607 |  |  | 289 |  |  | 7 |  |  | 4,067 |
Impairment (See Note U) | — |  |  | — |  |  | (2) |  |  | — |  |  | (2) |
Translation and other | 24 |  |  | 13 |  |  | — |  |  | — |  |  | 37 |
Transfer from Engine Products to Engineered Structures | (17) |  |  | — |  |  | 17 |  |  | — |  |  | — |
Balances at December 31, 2020 |  |  |  |  |  |  |  |  |
Goodwill | 2,890 |  |  | 1,620 |  |  | 306 |  |  | 7 |  |  | 4,823 |
Accumulated impairment losses | (719) |  |  | — |  |  | (2) |  |  | — |  |  | (721) |
Goodwill, net | $ | 2,171 |  |  | $ | 1,620 |  |  | $ | 304 |  |  | $ | 7 |  |  | $ | 4,102 |
In the first quarter of 2020, the Savannah operations was transferred from the Engine Products segment to the Engineered Structures segment, and as a result goodwill of $17 was reallocated. In the second quarter of 2019, the Company's casting operations were transferred from the Engineered Structures segment to the Engine Products segment, and as a result goodwill of $105 was reallocated. In the second quarter of 2018, the aluminum extrusion operations was also transferred from the Engineered Structures segment to Discontinued operations, and as a result goodwill of $110 was reallocated.
Other Intangible Assets | Other intangible assets were as follows:
December 31, 2020 | Gross carrying amount |  | Accumulated amortization |  | Intangibles, net
Computer software | $ | 194 |  |  | $ | (169) |  |  | $ | 25 |
Patents and licenses | 67 |  |  | (65) |  |  | 2 |
Other intangibles | 700 |  |  | (188) |  |  | 512 |
Total amortizable intangible assets | 961 |  |  | (422) |  |  | 539 |
Indefinite-lived trade names and trademarks | 32 |  |  | — |  |  | 32 |
Total intangible assets, net | $ | 993 |  |  | $ | (422) |  |  | $ | 571 |
December 31, 2019 | Gross carrying amount |  | Accumulated amortization |  | Intangibles, net
Computer software | $ | 199 |  |  | $ | (165) |  |  | $ | 34 |
Patents and licenses | 67 |  |  | (65) |  |  | 2 |
Other intangibles | 693 |  |  | (162) |  |  | 531 |
Total amortizable intangible assets | 959 |  |  | (392) |  |  | 567 |
Indefinite-lived trade names and trademarks | 32 |  |  | — |  |  | 32 |
Total intangible assets, net | $ | 991 |  |  | $ | (392) |  |  | $ | 599 |

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