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DEBT - BNP Funding Facility Narrative (Details) - USD ($) $ in Millions			3 Months Ended	5 Months Ended	9 Months Ended
	Sep. 30, 2023	Jan. 08, 2023	Apr. 19, 2023	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Principal amount of debt outstanding	$ 11,558			$ 11,558	$ 11,558	$ 12,245
BNP Funding Facility | Minimum
Debt Instrument [Line Items]
Percentage of unused portion of line of credit commitment					0.00%
BNP Funding Facility | Maximum
Debt Instrument [Line Items]
Percentage of unused portion of line of credit commitment					1.25%
BNP Funding Facility | Line of Credit
Debt Instrument [Line Items]
Total Aggregate Principal Amount Committed/ Outstanding	790			790	$ 790
Term of debt maturity extension option					1 year
Principal amount of debt outstanding	$ 525			$ 525	$ 525	$ 245
BNP Funding Facility | Line of Credit | Base Rate, During Reinvestment Period
Debt Instrument [Line Items]
Interest rate spread		1.80%	2.30%	2.80%
BNP Funding Facility | Line of Credit | Base Rate, After Reinvestment Period
Debt Instrument [Line Items]
Interest rate spread		2.30%	2.80%	3.30%
BNP Funding Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate spread	2.80%

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