Long-term Debt - Principal Maturities of Long-Term Debt (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Principal maturities of long-term debt by type of debt
Remainder of 2022	$ 0
2023	1,108
2024	1,270
2025	1,249
2026	1,600
2027-2067	4,032
Secured	9,224
Total principal maturities	18,483
Long-term debt	18,202	$ 17,750
Debt issuance costs	(104)
Securitizations
Principal maturities of long-term debt by type of debt
Remainder of 2022	0
2023	0
2024	0
2025	0
2026	0
2027-2067	0
Secured	8,374
Total principal maturities	8,374
Long-term debt	8,335
Debt issuance costs	$ (37)
Securitizations \| Minimum
Long-term debt
Interest rate	0.87%
Securitizations \| Maximum
Long-term debt
Interest rate	6.86%
Private Secured Term Funding
Principal maturities of long-term debt by type of debt
Remainder of 2022	$ 0
2023	0
2024	0
2025	0
2026	0
2027-2067	0
Secured	350
Total principal maturities	350
Long-term debt	349
Debt issuance costs	$ (1)
Private Secured Term Funding \| Minimum
Long-term debt
Interest rate	3.30%
Revolving Conduit Facilities
Principal maturities of long-term debt by type of debt
Remainder of 2022	$ 0
2023	0
2024	0
2025	0
2026	0
2027-2067	0
Secured	500
Total principal maturities	500
Long-term debt	500
Debt issuance costs	$ 0
Revolving Conduit Facilities \| Minimum
Long-term debt
Interest rate	3.15%
Revolving Conduit Facilities \| Maximum
Long-term debt
Interest rate	3.41%
Unsecured Notes \| Revolving Conduit Facilities
Principal maturities of long-term debt by type of debt
Debt issuance costs	$ 29
Unsecured Notes \| Unsecured Notes
Principal maturities of long-term debt by type of debt
Remainder of 2022	0
2023	1,108
2024	1,270
2025	1,249
2026	1,600
2027-2067	3,682
Total principal maturities	8,909
Long-term debt	8,846
Debt issuance costs	(66)
Repurchase amount	165
Gain on repurchase of debt	$ 3
Unsecured Notes \| Unsecured Notes \| Minimum
Long-term debt
Interest rate	3.50%
Unsecured Notes \| Unsecured Notes \| Maximum
Long-term debt
Interest rate	8.25%
Junior Subordinated Debt
Long-term debt
Interest rate	4.26%
Principal maturities of long-term debt by type of debt
Remainder of 2022	$ 0
2023	0
2024	0
2025	0
2026	0
2027-2067	350
Total principal maturities	350
Long-term debt	172
Debt issuance costs	$ 0

Debt Issuance Costs, Excluded From Direct Deduction From Long Term Debt

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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