RETIREMENT BENEFIT PLANS - Net periodic benefit cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other postretirement employee benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 0	$ 0	$ 0
Interest cost	1	2	3
Expected return on plan assets	0	0	0
Settlements, curtailments and other	0	0	0
Amortization of unrecognized prior service (credit) cost	(3)	(4)	(4)
Amortization of unrecognized loss	1	1	1
Net periodic cost (income)	(1)	(1)	0
United States | Pension benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	0	0	0
Interest cost	3	5	8
Expected return on plan assets	(10)	(10)	(11)
Settlements, curtailments and other	2	0	27
Amortization of unrecognized prior service (credit) cost	(1)	0	(1)
Amortization of unrecognized loss	4	3	4
Net periodic cost (income)	(2)	(2)	27
Non-U.S. | Pension benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	25	21	18
Interest cost	30	16	12
Expected return on plan assets	(83)	(36)	(22)
Settlements, curtailments and other	(2)	5	1
Amortization of unrecognized prior service (credit) cost	0	0	0
Amortization of unrecognized loss	13	11	9
Net periodic cost (income)	$ (17)	$ 17	$ 18