CREDIT FACILITIES, LONG-TERM DEBT, AND CONVERTIBLE NOTES - Non-Recourse Asset-backed Debt Narrative (Details) $ in Millions	Jun. 30, 2026 USD ($)
Line of Credit
Debt Instrument [Line Items]
Borrowing capacity	$ 7,450
Non-Recourse Asset Backed Debt \| Line of Credit
Debt Instrument [Line Items]
Fully committed borrowing capacity, maximum	1,500
Asset-backed Senior Revolving Credit Facilities \| Revolving Credit Facility \| Multiple Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Fully committed borrowing capacity	400
Asset-backed Senior Term Debt Facilities \| Revolving Credit Facility \| Multiple Term Loan Facilities
Debt Instrument [Line Items]
Fully committed borrowing capacity	725
Asset-backed Mezzanine Term Debt Facilities \| Line of Credit
Debt Instrument [Line Items]
Borrowing capacity	3,250
Asset-backed Mezzanine Term Debt Facilities \| Revolving Credit Facility \| Multiple Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Fully committed borrowing capacity	$ 350

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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