RETIREMENT BENEFIT PLANS - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Actual contribution to defined benefit pension plans	$ 5
Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, current fiscal year	20
Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, current fiscal year	$ 30