Debt - Schedule of ABS Notes Transactions (Details) - USD ($) $ in Millions	1 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jan. 31, 2025
Debt Instrument [Line Items]
Basis spread on variable rate	4.30%
Asset Backed Notes
Debt Instrument [Line Items]
Principal Amount Issued	$ 3,440
January 2025 ABS Notes
Debt Instrument [Line Items]
Principal Amount Issued			$ 1,101
January 2025 ABS Notes | A Senior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument			4.71%
Expected Weighted-average Life to Maturity (in years)			2 years 11 months 26 days
Principal Amount Issued			$ 535
January 2025 ABS Notes | B Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument			4.94%
Expected Weighted-average Life to Maturity (in years)			2 years 11 months 26 days
Principal Amount Issued			$ 41
January 2025 ABS Notes | C Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument			5.09%
Expected Weighted-average Life to Maturity (in years)			2 years 11 months 26 days
Principal Amount Issued			$ 25
January 2025 ABS Notes | A Senior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument			4.94%
Expected Weighted-average Life to Maturity (in years)			5 years
Principal Amount Issued			$ 446
January 2025 ABS Notes | B Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument			5.16%
Expected Weighted-average Life to Maturity (in years)			5 years
Principal Amount Issued			$ 34
January 2025 ABS Notes | C Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument			5.34%
Expected Weighted-average Life to Maturity (in years)			5 years
Principal Amount Issued			$ 20
March 2025 ABS Notes
Debt Instrument [Line Items]
Principal Amount Issued		$ 1,500
March 2025 ABS Notes | A-1a Senior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument		4.51%
Expected Weighted-average Life to Maturity (in years)		1 year 11 months 19 days
Principal Amount Issued		$ 706
March 2025 ABS Notes | A-1b Senior class notes
Debt Instrument [Line Items]
Expected Weighted-average Life to Maturity (in years)		1 year 11 months 19 days
Principal Amount Issued		$ 185
Basis spread on variable rate		0.55%
March 2025 ABS Notes | B Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument		4.77%
Expected Weighted-average Life to Maturity (in years)		1 year 11 months 19 days
Principal Amount Issued		$ 68
March 2025 ABS Notes | C Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument		4.90%
Expected Weighted-average Life to Maturity (in years)		1 year 11 months 19 days
Principal Amount Issued		$ 41
March 2025 ABS Notes | A Senior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument		4.76%
Expected Weighted-average Life to Maturity (in years)		4 years 11 months 19 days
Principal Amount Issued		$ 446
March 2025 ABS Notes | B Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument		5.02%
Expected Weighted-average Life to Maturity (in years)		4 years 11 months 19 days
Principal Amount Issued		$ 34
March 2025 ABS Notes | C Junior class notes
Debt Instrument [Line Items]
Stated interest rate on debt instrument		5.20%
Expected Weighted-average Life to Maturity (in years)		4 years 11 months 19 days
Principal Amount Issued		$ 20
June 2025 ABS Notes
Debt Instrument [Line Items]
Principal Amount Issued	$ 839
June 2025 ABS Notes | Class A-1a Senior Secured Notes - Series 2025-5
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.40%
Expected Weighted-average Life to Maturity (in years)	2 years 11 months 26 days
Principal Amount Issued	$ 401
June 2025 ABS Notes | Class A-1b Senior Secured Notes - Series 2025-5
Debt Instrument [Line Items]
Expected Weighted-average Life to Maturity (in years)	2 years 11 months 26 days
Principal Amount Issued	$ 134
Basis spread on variable rate	0.55%
June 2025 ABS Notes | Class B Junior Secured Notes - Series 2025-5
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.64%
Expected Weighted-average Life to Maturity (in years)	2 years 11 months 26 days
Principal Amount Issued	$ 0
June 2025 ABS Notes | Class C Junior Secured Notes - Series 2025-5
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.84%
Expected Weighted-average Life to Maturity (in years)	2 years 11 months 26 days
Principal Amount Issued	$ 25
June 2025 ABS Notes | Class A Senior Secured Notes - Series 2025-6
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.62%
Expected Weighted-average Life to Maturity (in years)	4 years 11 months 26 days
Principal Amount Issued	$ 267
June 2025 ABS Notes | Class B Junior Secured Notes - Series 2025-6
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.86%
Expected Weighted-average Life to Maturity (in years)	4 years 11 months 26 days
Principal Amount Issued	$ 0
June 2025 ABS Notes | Class C Junior Secured Notes - Series 2025-6
Debt Instrument [Line Items]
Stated interest rate on debt instrument	5.06%
Expected Weighted-average Life to Maturity (in years)	4 years 11 months 26 days
Principal Amount Issued	$ 12