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GOODWILL AND OTHER INTANGIBLES (Tables) | 3 Months Ended
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Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | A summary of the changes in the carrying amount of goodwill are as follows:
(in millions) | Air Management |  | Drivetrain & Battery Systems |  | ePropulsion |  | Total
Gross goodwill balance, December 31, 2023 | $ | 1,579 |  |  | $ | 1,455 |  |  | $ | 481 |  |  | $ | 3,515 |
Accumulated impairment losses, December 31, 2023 | (502) |  |  | — |  |  | — |  |  | (502) |
Net goodwill balance, December 31, 2023 | $ | 1,077 |  |  | $ | 1,455 |  |  | $ | 481 |  |  | $ | 3,013 |
Goodwill during the period: |  |  |  |  |  |  |
Other, primarily translation adjustment | (9) |  |  | (16) |  |  | (11) |  |  | (36) |
Ending balance, March 31, 2024 | $ | 1,068 |  |  | $ | 1,439 |  |  | $ | 470 |  |  | $ | 2,977 |
Schedule of Intangible Assets Gross Roll Forward | The Company’s other intangible assets, primarily from acquisitions, consist of the following:
|  |  | March 31, 2024 |  | December 31, 2023
(in millions) | Estimated useful lives (years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Patented and unpatented technology | 5 - 15 |  | $ | 360 |  |  | $ | 151 |  |  | $ | 209 |  |  | $ | 364 |  |  | $ | 145 |  |  | $ | 219 |
Customer relationships | 6 - 15 |  | 630 |  |  | 308 |  |  | 322 |  |  | 641 |  |  | 305 |  |  | 336 |
Miscellaneous | 2 - 5 |  | 9 |  |  | 6 |  |  | 3 |  |  | 9 |  |  | 6 |  |  | 3 |
Total amortized intangible assets |  |  | 999 |  |  | 465 |  |  | 534 |  |  | 1,014 |  |  | 456 |  |  | 558 |
Unamortized trade names |  |  | 6 |  |  | — |  |  | 6 |  |  | 6 |  |  | — |  |  | 6 |
Total other intangible assets |  |  | $ | 1,005 |  |  | $ | 465 |  |  | $ | 540 |  |  | $ | 1,020 |  |  | $ | 456 |  |  | $ | 564 |

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