RESTRUCTURING CHARGES - Restructuring Program Charges Related to Segments (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended	15 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Mar. 31, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 18	$ 63	$ 202	$ 220
Operating segments \| Electrical Americas
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1	7		13
Operating segments \| Electrical Global
Restructuring Cost and Reserve [Line Items]
Restructuring charges	14	24		102
Operating segments \| Aerospace
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	8		9
Operating segments \| Vehicle
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	24		42
Operating segments \| eMobility
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1	0		26
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1	$ 0		$ 30

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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