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GOODWILL AND OTHER INTANGIBLES (Tables) | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | A summary of the changes in the carrying amount of goodwill is presented in the following tables. The prior period balances have been recast for inter-segment transitions of certain businesses that were completed during 2022. Refer to Note 24, “Reportable Segments and Related Information” for more information.
| 2023
(in millions) | Air Management |  | Drivetrain & Battery Systems |  |  |  | ePropulsion |  | Total
Gross goodwill balance, January 1 | $ | 1,566 |  |  | $ | 1,434 |  |  |  |  | $ | 480 |  |  | $ | 3,480 |
Accumulated impairment losses, January 1 | (502) |  |  | — |  |  |  |  | — |  |  | (502) |
Net goodwill balance, January 1 | $ | 1,064 |  |  | $ | 1,434 |  |  |  |  | $ | 480 |  |  | $ | 2,978 |
Goodwill during the year: |  |  |  |  |  |  |  |  |
Acquisitions 1 (Note 2) | 8 |  |  | — |  |  |  |  | 14 |  |  | 22 |
Measurement period adjustments (Note 2) | (6) |  |  | — |  |  |  |  | — |  |  | (6) |
Other, primarily translation adjustment | 11 |  |  | 21 |  |  |  |  | (13) |  |  | 19 |
Net goodwill balance, December 31 | $ | 1,077 |  |  | $ | 1,455 |  |  |  |  | $ | 481 |  |  | $ | 3,013 |
| 2022
(in millions) | Air Management |  | Drivetrain & Battery Systems |  |  |  | ePropulsion |  | Total
Gross goodwill balance, January 1 | $ | 1,466 |  |  | $ | 1,364 |  |  |  |  | $ | 526 |  |  | $ | 3,356 |
Accumulated impairment losses, January 1 | (502) |  |  | — |  |  |  |  | — |  |  | (502) |
Net goodwill balance, January 1 | $ | 964 |  |  | $ | 1,364 |  |  |  |  | $ | 526 |  |  | $ | 2,854 |
Goodwill during the year: |  |  |  |  |  |  |  |  |
Acquisitions 1 (Note 2) | 126 |  |  | 132 |  |  |  |  | — |  |  | 258 |
Measurement period adjustments 2 | — |  |  | (20) |  |  |  |  | — |  |  | (20) |
Other, primarily translation adjustment | (26) |  |  | (42) |  |  |  |  | (46) |  |  | (114) |
Net goodwill balance, December 31 | $ | 1,064 |  |  | $ | 1,434 |  |  |  |  | $ | 480 |  |  | $ | 2,978 |
_____________________________ 1 Acquisitions relate to the Company’s 2023 purchases of SSE, Eldor, and 2022 purchases of Drivetek, Rhombus and Santroll. 2 Measurement period adjustments primarily relate to the 2023 acquisition of SSE and 2022 acquisition of Santroll.
Schedule of Intangible Assets Gross Roll Forward | The Company’s other intangible assets, primarily from acquisitions, consist of the following:
|  |  | December 31, 2023 |  | December 31, 2022
(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 |  | $ | 364 |  |  | $ | 145 |  |  | $ | 219 |  |  | $ | 349 |  |  | $ | 111 |  |  | $ | 238 |
Customer relationships | 6 - 15 |  | 641 |  |  | 305 |  |  | 336 |  |  | 639 |  |  | 267 |  |  | 372 |
Miscellaneous | 2 - 5 |  | 9 |  |  | 6 |  |  | 3 |  |  | 9 |  |  | 6 |  |  | 3 |
Total amortized intangible assets |  |  | 1,014 |  |  | 456 |  |  | 558 |  |  | 997 |  |  | 384 |  |  | 613 |
Unamortized trade names |  |  | 6 |  |  | — |  |  | 6 |  |  | 6 |  |  | — |  |  | 6 |
Total other intangible assets |  |  | $ | 1,020 |  |  | $ | 456 |  |  | $ | 564 |  |  | $ | 1,003 |  |  | $ | 384 |  |  | $ | 619 |
A roll forward of the gross carrying amounts and related accumulated amortization of the Company’s other intangible assets is presented below:
| Gross carrying amounts |  | Accumulated amortization
(in millions) | 2023 |  | 2022 |  | 2023 |  | 2022
Beginning balance, January 1 | $ | 1,003 |  |  | $ | 957 |  |  | $ | 384 |  |  | $ | 335 |
Acquisitions 1 (Note 2) | 14 |  |  | 132 |  |  | — |  |  | — |
Impairment 2 | — |  |  | (35) |  |  | — |  |  | (2) |
Amortization | — |  |  | — |  |  | 67 |  |  | 69 |
Translation adjustment | 3 |  |  | (51) |  |  | 5 |  |  | (18) |
Ending balance, December 31 | $ | 1,020 |  |  | $ | 1,003 |  |  | $ | 456 |  |  | $ | 384 |
_____________________________ 1 Acquisitions relate to the Company’s 2023 purchases of SSE, Eldor, 2022 purchases of Drivetek, Rhombus and Santroll. 2 During the fourth quarter of 2022, the Company recorded an impairment charge of $30 million to remove the AKASOL indefinite-lived trade name as the Company no longer plans to utilize this trade name in the business.

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