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DEBT - Outstanding Debt (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | $ 18,948 | $ 16,851
Principal Amount Outstanding | 13,789 | 11,905
Carrying Value | 13,727 | 11,884
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Borrowing capacity increase under line of credit | 6,732 | 7,137
SMBC Funding Facility |  |
Debt Instrument [Line Items] |  |
Borrowing capacity increase under line of credit | 1,000 |
April 2036 CLO Notes |  |
Debt Instrument [Line Items] |  |
Principal Amount Outstanding | 702 |
Line of Credit | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 4,513 | 4,758
Principal Amount Outstanding | 1,113 | 1,413
Carrying Value | 1,113 | 1,413
Line of Credit | Revolving Funding Facility |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 2,150 | 1,775
Principal Amount Outstanding | 1,065 | 863
Carrying Value | 1,065 | 863
Line of Credit | SMBC Funding Facility |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 800 | 800
Principal Amount Outstanding | 502 | 401
Carrying Value | 502 | 401
Line of Credit | BNP Funding Facility |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 1,265 | 865
Principal Amount Outstanding | 889 | 575
Carrying Value | 889 | 575
Secured Debt | April 2036 CLO Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 476 | 0
Principal Amount Outstanding | 476 | 0
Carrying Value | 473 | 0
Secured Debt | October 2036 CLO Secured Loans |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 544 | 0
Principal Amount Outstanding |  | 0
Carrying Value |  | 0
Convertible Debt | April 2036 CLO Notes |  |
Debt Instrument [Line Items] |  |
Principal Amount Outstanding | 476 | 0
Convertible Debt | October 2036 CLO Secured Loans |  |
Debt Instrument [Line Items] |  |
Principal Amount Outstanding | 544 | 0
Carrying Value | 541 |
Fair value disclosures of long-term debt | 544 | 0
Convertible Debt | 2024 Convertible Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 0 | 403
Principal Amount Outstanding | 0 | 403
Carrying Value | 0 | 402
Senior Notes | June 2024 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 0 | 900
Principal Amount Outstanding | 0 | 900
Carrying Value | 0 | 899
Senior Notes | March 2025 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 600 | 600
Principal Amount Outstanding | 600 | 600
Carrying Value | 600 | 599
Senior Notes | July 2025 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 1,250 | 1,250
Principal Amount Outstanding | 1,250 | 1,250
Carrying Value | 1,252 | 1,255
Senior Notes | January 2026 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 1,150 | 1,150
Principal Amount Outstanding | 1,150 | 1,150
Carrying Value | 1,148 | 1,146
Senior Notes | July 2026 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 1,000 | 1,000
Principal Amount Outstanding | 1,000 | 1,000
Carrying Value | 996 | 993
Senior Notes | January 2027 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 900 | 900
Principal Amount Outstanding | 900 | 900
Carrying Value | 891 | 905
Senior Notes | June 2027 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 500 | 500
Principal Amount Outstanding | 500 | 500
Carrying Value | 497 | 495
Senior Notes | June 2028 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 1,250 | 1,250
Principal Amount Outstanding | 1,250 | 1,250
Carrying Value | 1,248 | 1,247
Senior Notes | March 2029 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 1,000 | 0
Principal Amount Outstanding | 1,000 | 0
Carrying Value | 985 | 0
Senior Notes | July 2029 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 850 | 0
Principal Amount Outstanding | 850 | 0
Carrying Value | 835 | 0
Senior Notes | November 2031 Notes |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount of unsecured notes | 700 | 700
Principal Amount Outstanding | 700 | 700
Carrying Value | $ 692 | $ 691

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