Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Loss Contingencies [Line Items]
Legal Fees (Recoveries), net	$ 15	$ 7	$ 25	$ 19
Repurchase Reserve	46		46		$ 62
Litigation and regulatory matters | Min
Loss Contingencies [Line Items]
Estimate of possible loss	7		7
Litigation and regulatory matters | Max
Loss Contingencies [Line Items]
Estimate of possible loss	$ 15		$ 15