Debt Maturities (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Debt Maturities [Abstract]
2019	$ 53,334,000,000
2020	32,370,000,000
2021	20,226,000,000
2022	12,144,000,000
2023	9,030,000,000
Thereafter	12,061,000,000
DebtAndCapitalLeaseObligationTotal	139,165,000,000
Debt	137,868,000,000	$ 129,287,000,000
Total unamortized discount	(18,000,000)	9,000,000
Unamortized debt issuance costs	(235,000,000)	(237,000,000)
Total fair value adjustments	(1,044,000,000)	$ (1,258,000,000)
Unsecured Debt [Member]
Debt Maturities [Abstract]
2019	29,084,000,000
2020	12,879,000,000
2021	11,467,000,000
2022	6,786,000,000
2023	6,414,000,000
Thereafter	12,061,000,000
Debt	78,691,000,000
Asset-backed Securities [Member]
Debt Maturities [Abstract]
2019	24,250,000,000
2020	19,491,000,000
2021	8,759,000,000
2022	5,358,000,000
2023	2,616,000,000
Thereafter	0
Debt	60,474,000,000
Short-term debt [Member]
Debt Maturities [Abstract]
2019	17,413,000,000
Long-term debt [Member]
Debt Maturities [Abstract]
2019	$ 35,921,000,000