RETIREMENT BENEFIT PLANS - Benefit Obligation and Plan Assets (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Change in plan assets:
Funded status	$ (95)	$ (103)
Amounts in the Consolidated Balance Sheets consist of:
Non-current liabilities	$ (137)	(146)
Amounts in accumulated other comprehensive loss consist of:
Weighted average discount rate	0.0040
Other postemployment benefits
Change in projected benefit obligation:
Projected benefit obligation, January 1	$ 33	37
Service cost	0	0	$ 0
Interest cost	1	2	1
Plan amendments	0	0
Settlement and curtailment	0	0
Actuarial loss (gain)	(1)	0
Currency translation	0	0
PHINIA Spin-Off	0	(1)
Benefits paid	(4)	(5)
Projected benefit obligation, December 31	29	33	37
Change in plan assets:
Funded status	(29)	(33)
Amounts in the Consolidated Balance Sheets consist of:
Non-current assets	0	0
Current liabilities	(4)	(5)
Non-current liabilities	(25)	(28)
Net amount	(29)	(33)
Amounts in accumulated other comprehensive loss consist of:
Net actuarial loss	(4)	(3)
Net prior service (credit) cost	(7)	(8)
Net amount	(11)	(11)
United States
Change in plan assets:
Funded status	(2)	(8)
United States | Pension benefits
Change in projected benefit obligation:
Projected benefit obligation, January 1	131	136
Service cost	0	0	0
Interest cost	6	7	4
Plan amendments	0	0
Settlement and curtailment	0	0
Actuarial loss (gain)	(3)	2
Currency translation	0	0
PHINIA Spin-Off	0	0
Benefits paid	(13)	(14)
Projected benefit obligation, December 31	121	131	136
Change in plan assets:
Fair value, beginning balance	123	129
Actual return on plan assets		7
Employer contribution	16	1
Plan participants’ contribution	0	0
Settlements	0	0
Currency translation	0	0
PHINIA Spin-Off	0	0
Benefits paid	(13)	(14)
Fair value, ending balance	126	123	129
Funded status	5	(8)
Amounts in the Consolidated Balance Sheets consist of:
Non-current assets	8	0
Current liabilities	(1)	(1)
Non-current liabilities	(2)	(7)
Net amount	(5)	(8)
Amounts in accumulated other comprehensive loss consist of:
Net actuarial loss	78	77
Net prior service (credit) cost	(1)	(2)
Net amount	77	75
Total accumulated benefit obligation for all plans	121	131
Non-U.S. | Pension benefits
Change in projected benefit obligation:
Projected benefit obligation, January 1	478	1,322
Service cost	13	11	20
Interest cost	19	42	37
Plan amendments	(1)	0
Settlement and curtailment	(6)	3
Actuarial loss (gain)		25
Currency translation	(32)	57
PHINIA Spin-Off	0	(938)
Benefits paid	(20)	(44)
Projected benefit obligation, December 31	451	478	1,322
Change in plan assets:
Fair value, beginning balance	392	1,156
Actual return on plan assets	14	50
Employer contribution	23	20
Plan participants’ contribution	1	1
Settlements	(9)	(3)
Currency translation	(21)	53
PHINIA Spin-Off	0	(841)
Benefits paid	(20)	(44)
Fair value, ending balance	380	392	$ 1,156
Funded status	(71)	(86)
Amounts in the Consolidated Balance Sheets consist of:
Non-current assets	44	30
Current liabilities	(5)	(5)
Non-current liabilities	(110)	(111)
Net amount	(71)	(86)
Amounts in accumulated other comprehensive loss consist of:
Net actuarial loss	103	112
Net prior service (credit) cost	1	1
Net amount	104	113
Total accumulated benefit obligation for all plans	$ 423	$ 450