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FAIR VALUE OF FINANCIAL INSTRUMENTS - Carrying and Fair Values of Debt Obligations (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	$ 13,948	$ 13,789
Debt	13,922	13,727
April 2036 CLO Notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	702
Line of Credit | Revolving Credit Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,113	1,113
Debt	1,113	1,113
Line of Credit | Revolving Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,030	1,065
Debt	1,030	1,065
Line of Credit | SMBC Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	400	502
Debt	400	502
Line of Credit | BNP Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	785	889
Debt	785	889
Convertible Debt | October 2036 CLO Secured Loans
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	544	544
Debt		541
Senior Notes | March 2025 Notes (principal amount outstanding of $0 and $600, respectively)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	0	600
Debt	0	600
Senior Notes | July 2025 Notes (principal amount outstanding of $1,250)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,250	1,250
Debt	1,251	1,252
Senior Notes | January 2026 Notes (principal amount outstanding of $1,150)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,150	1,150
Debt	1,149	1,148
Senior Notes | July 2026 Notes (principal amount outstanding of $1,000)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,000	1,000
Debt	996	996
Senior Notes | January 2027 Notes (principal amount outstanding of $900)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	900	900
Debt	900	891
Senior Notes | June 2027 Notes (principal amount outstanding of $500)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	500	500
Debt	497	497
Senior Notes | June 2028 Notes (principal amount outstanding of $1,250)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,250	1,250
Debt	1,248	1,248
Senior Notes | March 2029 Notes (principal amount outstanding of $1,000)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,000	1,000
Debt	990	985
Senior Notes | July 2029 Notes (principal amount outstanding of $850)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	850	850
Debt	855	835
Senior Notes | November 2031 Notes (principal amount outstanding of $700)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	700	700
Debt	692	692
Senior Notes | March 2032 Notes (principal amount outstanding of $1,000 and $0, respectively)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	1,000	0
Debt		0
Term loan tranche | April 2036 CLO Notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	476	476
Debt	473	473
Term loan tranche | October 2036 CLO Secured Loans
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of debt outstanding	544	544
Debt	541	541
Carrying value
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	13,922	13,727
Carrying value | Revolving Credit Facility | Revolving Credit Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt		1,113
Carrying value | Revolving Credit Facility | Revolving Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt		1,065
Carrying value | Line of Credit | SMBC Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt		502
Carrying value | Line of Credit | BNP Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt		889
Carrying value | Revolving Credit Facility | Revolving Credit Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,113
Carrying value | Revolving Credit Facility | Revolving Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,030
Carrying value | Line of Credit | SMBC Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	400
Carrying value | Line of Credit | BNP Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	785
Carrying value | Convertible Debt | April 2036 CLO Notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt		473
Carrying value | Senior Notes | March 2025 Notes (principal amount outstanding of $0 and $600, respectively)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	0	600
Carrying value | Senior Notes | July 2025 Notes (principal amount outstanding of $1,250)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,251	1,252
Carrying value | Senior Notes | January 2026 Notes (principal amount outstanding of $1,150)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,149	1,148
Carrying value | Senior Notes | July 2026 Notes (principal amount outstanding of $1,000)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	996	996
Carrying value | Senior Notes | January 2027 Notes (principal amount outstanding of $900)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	900	891
Carrying value | Senior Notes | June 2027 Notes (principal amount outstanding of $500)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	497	497
Carrying value | Senior Notes | June 2028 Notes (principal amount outstanding of $1,250)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,248	1,248
Carrying value | Senior Notes | March 2029 Notes (principal amount outstanding of $1,000)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	990	985
Carrying value | Senior Notes | July 2029 Notes (principal amount outstanding of $850)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	855	835
Carrying value | Senior Notes | November 2031 Notes (principal amount outstanding of $700)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	692	692
Carrying value | Senior Notes | March 2032 Notes (principal amount outstanding of $1,000 and $0, respectively)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,002	0
Fair value
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	13,752	13,552
Fair value | Revolving Credit Facility | Revolving Credit Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,113	1,113
Fair value | Revolving Credit Facility | Revolving Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,030	1,065
Fair value | Line of Credit | SMBC Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	400	502
Fair value | Line of Credit | BNP Funding Facility
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	785	889
Fair value | Convertible Debt | April 2036 CLO Notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	476	476
Fair value | Senior Notes | March 2025 Notes (principal amount outstanding of $0 and $600, respectively)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	0	599
Fair value | Senior Notes | July 2025 Notes (principal amount outstanding of $1,250)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,245	1,238
Fair value | Senior Notes | January 2026 Notes (principal amount outstanding of $1,150)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,142	1,137
Fair value | Senior Notes | July 2026 Notes (principal amount outstanding of $1,000)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	965	957
Fair value | Senior Notes | January 2027 Notes (principal amount outstanding of $900)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	928	933
Fair value | Senior Notes | June 2027 Notes (principal amount outstanding of $500)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	478	475
Fair value | Senior Notes | June 2028 Notes (principal amount outstanding of $1,250)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,164	1,151
Fair value | Senior Notes | March 2029 Notes (principal amount outstanding of $1,000)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	1,016	1,010
Fair value | Senior Notes | July 2029 Notes (principal amount outstanding of $850)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	865	861
Fair value | Senior Notes | November 2031 Notes (principal amount outstanding of $700)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	607	602
Fair value | Senior Notes | March 2032 Notes (principal amount outstanding of $1,000 and $0, respectively)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value disclosures of long-term debt	$ 994	$ 0

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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