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ACQUISITIONS AND DISPOSITIONS - Narrative (Details) € in Millions, ¥ in Millions, SFr in Millions, $ in Millions |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |
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Jul. 03, 2023 | Mar. 01, 2023 USD ($) | Mar. 01, 2023 CNY (¥) | Dec. 01, 2022 USD ($) | Dec. 01, 2022 CHF (SFr) | Jul. 29, 2022 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2022 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 CHF (SFr) | Dec. 01, 2023 USD ($) | Dec. 01, 2023 EUR (€) | Jun. 30, 2023 USD ($) | Jun. 30, 2023 CNY (¥) | Mar. 01, 2023 CNY (¥) | Dec. 01, 2022 CHF (SFr) | Mar. 31, 2022 CNY (¥) | Sep. 30, 2019 USD ($) | May 31, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution of outstanding common stock percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio, outstanding common stock distributed | 0.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  |  |  |  |  |  |  |  | $ 0 |  | $ 109 |  | $ 312 |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  | 2,357 |  | 3,013 |  | 2,978 |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Water Valley |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal group, consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 57 |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39 |  |  |  |  |  |  |  |  |  |  |
Potential earn out payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |  |  |  |  |  |  |
Estimated payout |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  | $ 18 |  |  |  |  |  |  |  |  |  |  |
Estimate of expected earn-out, loss |  |  |  |  |  |  |  |  |  |  | 5 |  | 9 |  |  |  |  |  |  |  |  |  |  |  |  |
Final settlement |  |  |  |  |  |  |  |  |  |  | 14 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Water Valley | Promissory note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated payout |  |  |  |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | BorgWarner Romeo Power LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60.00% |
Romeo Power Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest equity interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00%
Unrealized and realized loss on equity and debt securities |  |  |  |  |  |  |  |  |  |  |  |  | (39) |  |  |  |  |  |  |  |  |  |  |  |  |
BorgWarner Romeo Power LLC | Corporate Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities without readily determinable fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10 |
Gain on sale of investments |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  |  |  |  |  |  |  |  |  |  |  |  |
Eldor Corporation’s Electric Hybrid Systems Business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated earn-out payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 78 | € 72 |  |  |  |  |  |  |
Contractual earn-out payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 191 | € 175 |  |  |  |  |  |  |
Estimated fair values of assets acquired and liabilities assumed, assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 86 |  |  |  |  |  |  |  |
Business combination, recognized Identifiable assets acquired and liabilities assumed, intangible assets including goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 27 |  |  |  |  |  |  |  |
Estimated fair values of assets acquired and liabilities assumed, liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20 |  |  |  |  |  |  |  |
Eldor Corporation’s Electric Hybrid Systems Business | Developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Life (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years | 6 years |  |  |  |  |  |  |
Hubei Surpass Sun Electric Charging Business Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contractual earn-out payments |  | $ 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 103 |  |  |  |
Estimated fair values of assets acquired and liabilities assumed, assets |  | 50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, recognized Identifiable assets acquired and liabilities assumed, intangible assets including goodwill |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated fair values of assets acquired and liabilities assumed, liabilities |  | $ 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7 |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Consideration transferred |  | $ 42 | ¥ 288 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base purchase price |  | 39 | 268 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses |  |  |  |  |  |  |  |  | 4 | ¥ 25 | $ 31 | ¥ 217 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, remaining consideration payable |  | 4 | ¥ 26 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hubei Surpass Sun Electric Charging Business Member | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration payable in next two years |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  | ¥ 20 |  |  |  |  |  |  |  |  |  |
Business combination, consideration payable in next three months |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  | ¥ 6 |  |  |  |  |  |  |  |  |  |
Hubei Surpass Sun Electric Charging Business Member | Developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Life (in years) |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Drivetek AG |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated earn-out payments |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  | SFr 5 |  |  |  |  |  |  |  |  |
Contractual earn-out payments |  |  |  | $ 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | SFr 10 |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |
Payments to acquire businesses |  |  |  | $ 29 | SFr 27 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retention payment payable period |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Other non-current liability |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |  |
Drivetek AG | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other non-current liability |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |
Drivetek AG | Other non-current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other non-current liability |  |  |  |  |  |  |  |  | $ 3 |  |  |  |  |  |  |  | SFr 3 |  |  |  |  |  |  |  |  |
Rhombus Energy Solutions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contractual earn-out payments |  |  |  |  |  | $ 30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses |  |  |  |  |  | $ 131 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rhombus Energy Solutions | Employee Retention Payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contractual earn-out payments |  |  |  |  |  | $ 25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retention payment payable period |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Santoll Automotive Components |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated earn-out payments |  |  |  |  |  |  | $ 40 |  |  |  |  |  |  |  |  |  |  |  |  | $ 24 |  |  |  | ¥ 250 |  |
Contractual earn-out payments |  |  |  |  |  |  | $ 47 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 300 |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Consideration transferred |  |  |  |  |  |  | $ 192 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base purchase price |  |  |  |  |  |  | $ 152 | ¥ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses |  |  |  |  |  |  |  |  |  |  |  |  | 157 |  |  |  |  |  |  |  |  |  |  |  |  |
Post-closing adjustments through reduction of payment |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |
Romeo Power Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities without readily determinable fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50
Romeo Power Inc. | Romeo Power Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities, FV-NI |  |  |  |  |  |  |  |  |  |  |  |  | $ 31 |  |  |  |  |  |  |  |  |  |  |  |  |
Santroll Automotive Components |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated earn-out payments | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 200 |  |  |  |  |
Payments to acquire businesses | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 1,000 |  |  |  |  |  |  |  |  |  |  |  |

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