VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Variable Interest Entity [Line Items]
Assets	[1]	$ 5,567		$ 5,567		$ 5,885
Consolidated VIEs
Variable Interest Entity [Line Items]
Variable interest entities outsourcing agreement initial term				5 years
Assets		78		$ 78		70
Consolidated VIEs | Consolidation, Eliminations
Variable Interest Entity [Line Items]
Liabilities associated with the certain outsourcing agreements and purchase options		152		152		128
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		73		73		$ 79
Loss from investments		$ 4	$ 55	$ 6	$ 77

[1] Our consolidated total assets as of September 30, 2025 and December 31, 2024 include total assets of variable interest entities (“VIE”) of $78 million and $70 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of September 30, 2025 and December 31, 2024 include total liabilities of VIEs of $9 million and $16 million, respectively, for which the creditors of the VIEs have no recourse to us. See Note 7. Variable Interest Entities.