RETIREMENT BENEFIT PLANS - Narrative (Details) £ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 GBP (£)	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined contribution expense	$ 59	$ 58		$ 38
Contribution amount		$ 137	£ 100
Payments for contractual obligation	$ 7
Health care cost trend rate assumed for next fiscal year	6.50%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	4.75%
Minimum
Defined Benefit Plan Disclosure [Line Items]
Future employer contributions	$ 20
Maximum
Defined Benefit Plan Disclosure [Line Items]
Future employer contributions	$ 30