Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Debt - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Outstanding borrowings	$ 7,721		$ 6,584
Warehouse Agreement \| Line of Credit
Debt Instrument [Line Items]
Maximum commitment amount		$ 1,500
Outstanding borrowings	0
Warehouse Agreement \| Line of Credit \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.65%
Warehouse Agreement \| Line of Credit \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Senior Notes \| Energy Asset-backed Notes
Debt Instrument [Line Items]
Debt principal issued	348
Proceeds from the issuance, net of debt issuance costs	$ 344