RETIREMENT BENEFIT PLANS - Funded status of plans with ABO in excess of plan assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Accumulated benefit obligations
Accumulated benefit obligation	$ (658)	$ (2,401)
Plan assets	442	1,924
Funded status of plan	(216)	(477)
Projected benefit obligations
Projected benefit obligation	(731)	(2,500)
Plan assets	478	1,973
Total pension deficiency	(253)	(527)
United States
Accumulated benefit obligations
Funded status of plan	(6)	(15)
Projected benefit obligations
Total pension deficiency	(6)	(15)
United Kingdom
Accumulated benefit obligations
Funded status of plan	(11)	(202)
Projected benefit obligations
Total pension deficiency	(11)	(202)
Germany
Accumulated benefit obligations
Funded status of plan	(89)	(139)
Projected benefit obligations
Total pension deficiency	(95)	(147)
Other foreign
Accumulated benefit obligations
Funded status of plan	(110)	(121)
Projected benefit obligations
Total pension deficiency	$ (141)	$ (163)