RETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Jan. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, current fiscal year	$ 20
Actual contribution to defined benefit pension plans	$ 7
UK Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, benefit obligation			$ 98
UK Pension Plan | Pension benefits
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, amount			50
UK Pension Plan | Pension benefits | Non-US
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, amount			$ 118
Plan assets, target allocation, percentage		17.00%	83.00%
Funded status of plan			$ 20	$ 18