GOODWILL, SOFTWARE AND OTHER INTANGIBLE ASSETS, NET - Schedule of Software and Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Amortizable intangibles:
Gross Carrying Amount	$ 464	$ 478
Accumulated Amortization	(292)	(315)
Net Carrying Amount	$ 172	163
Software
Amortizable intangibles:
Weighted Average Amortization Period	3 years
Gross Carrying Amount	$ 350	278
Accumulated Amortization	(255)	(213)
Net Carrying Amount	$ 95	65
Customer relationships
Amortizable intangibles:
Weighted Average Amortization Period	6 years
Gross Carrying Amount	$ 49	135
Accumulated Amortization	(18)	(93)
Net Carrying Amount	$ 31	42
Developed technology
Amortizable intangibles:
Weighted Average Amortization Period	6 years
Gross Carrying Amount	$ 65	65
Accumulated Amortization	(19)	(9)
Net Carrying Amount	$ 46	$ 56