OTHER ITEMS IMPACTING COMPARABILITY - Schedule of Other Items Impacting Comparability (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Cost and Reserve [Line Items]
FMS Europe results	$ (1)	$ 0	$ 3	$ 0
Gain on sale		(20)	(2)	(28)
Commercial claims proceeds, net of fees	0	5	(31)	12
Severance and other, net	0	6	3	9
FMS U.K. exit	(5)	(32)	(36)	(31)
Currency translation adjustment loss	188	0	188	0
Other, net	0	0	(1)	4
Other items impacting comparability	183	(32)	151	(27)
U.K. | Trading Revenue
Restructuring Cost and Reserve [Line Items]
Gain on sale	0	(20)	(2)	(28)
U.K. | Miscellaneous (Income) Loss, Net
Restructuring Cost and Reserve [Line Items]
Gain on sale	$ (4)	$ (23)	$ (9)	$ (24)