VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Assets	[1]	$ 5,785,000,000		$ 5,785,000,000		$ 6,085,000,000
Equity method investments		82,000,000		$ 82,000,000		128,000,000
Consolidated VIEs
Variable Interest Entity [Line Items]
Variable interest entities outsourcing agreement initial term				5 years
Assets		76,000,000		$ 76,000,000		85,000,000
Consolidated VIEs | Consolidation, Eliminations
Variable Interest Entity [Line Items]
Liabilities associated with the certain outsourcing agreements and purchase options		129,000,000		129,000,000		130,000,000
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		102,000,000		102,000,000		$ 192,000,000
Gain (loss) from equity investments		(55,000,000)	$ 5,000,000	(77,000,000)	$ 43,000,000
Variable Interest Entity, Not Primary Beneficiary | DSIH
Variable Interest Entity [Line Items]
Equity method investments		$ 0		$ 0

[1] Our consolidated total assets as of September 30, 2024 and December 31, 2023 include total assets of variable interest entities ("VIE") of $76 million and $85 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of both September 30, 2024 and December 31, 2023 include total liabilities of VIEs of $17 million for which the creditors of the VIEs have no recourse to us. See Note 8. Variable Interest Entities.