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RESTRUCTURING CHARGES - Restructuring Program Charges Related to Segments (Details) - USD ($) $ in Millions | 12 Months Ended | 21 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | $ 78 | $ 214 | $ 0 | $ 292
Operating segments | Electrical Americas |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | 14 | 18 |  |
Operating segments | Electrical Global |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | 18 | 55 |  |
Operating segments | Aerospace |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | 8 | 34 |  |
Operating segments | Vehicle |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | 21 | 102 |  |
Operating segments | eMobility |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | 1 | 1 |  |
Corporate |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability recognized | $ 16 | $ 4 |  |

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