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DEBT - BNP Funding Facility Narrative (Details) - USD ($) $ in Millions		2 Months Ended	3 Months Ended		9 Months Ended	18 Months Ended
	Mar. 31, 2024	Mar. 31, 2024	Mar. 31, 2024	Apr. 19, 2023	Feb. 01, 2024	Jan. 08, 2023	Dec. 31, 2023
Debt Instrument [Line Items]
Principal amount of debt outstanding	$ 11,754	$ 11,754	$ 11,754				$ 11,905
Minimum
Debt Instrument [Line Items]
Percentage of unused portion of line of credit commitment			0.50%
Maximum
Debt Instrument [Line Items]
Percentage of unused portion of line of credit commitment			1.25%
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	865	865	$ 865
Term of debt maturity extension option			1 year
Principal amount of debt outstanding	$ 575	$ 575	$ 575				$ 575
BNP Funding Facility | Line of Credit | Base Rate, During Reinvestment Period
Debt Instrument [Line Items]
Interest rate spread		2.65%		2.30%	2.80%	1.80%
BNP Funding Facility | Line of Credit | Base Rate, After Reinvestment Period
Debt Instrument [Line Items]
Interest rate spread		3.15%		2.80%	3.30%	2.30%
BNP Funding Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate spread	2.65%

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