TRANSFERS OF RECEIVABLES AND VARIABLE INTEREST ENTITIES - Schedule of Assets and Liabilities Related to Securitization Transactions (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Securitization Transactions [Line Items]
Cash and cash equivalents	$ 9,270	$ 9,272
After Allowance for Credit Losses	146,298	143,639	$ 133,155
Related Debt	141,417	137,868
Total securitization transactions \| Securitization Transactions
Securitization Transactions [Line Items]
Cash and cash equivalents	2,900	3,000
Before Allowance for Credit Losses	77,700	85,300
Allowance for Credit Losses	(400)	(400)
After Allowance for Credit Losses	77,300	84,900
Related Debt	59,500	60,400
Total securitization transactions \| Securitization Transactions \| Retail financing
Securitization Transactions [Line Items]
Cash and cash equivalents	2,100	2,200
Before Allowance for Credit Losses	43,800	47,600
Allowance for Credit Losses	(400)	(400)
After Allowance for Credit Losses	43,400	47,200
Related Debt	36,900	40,900
Total securitization transactions \| Securitization Transactions \| Wholesale financing
Securitization Transactions [Line Items]
Cash and cash equivalents	200	300
Before Allowance for Credit Losses	20,300	24,400
Allowance for Credit Losses	0	0
After Allowance for Credit Losses	20,300	24,400
Related Debt	13,900	11,000
Total securitization transactions \| Securitization Transactions \| Finance receivables
Securitization Transactions [Line Items]
Cash and cash equivalents	2,300	2,500
Before Allowance for Credit Losses	64,100	72,000
Allowance for Credit Losses	(400)	(400)
After Allowance for Credit Losses	63,700	71,600
Related Debt	50,800	51,900
Total securitization transactions \| Securitization Transactions \| Net investment in operating leases
Securitization Transactions [Line Items]
Cash and cash equivalents	600	500
Before Allowance for Credit Losses	13,600	13,300
Allowance for Credit Losses	0	0
After Allowance for Credit Losses	13,600	13,300
Related Debt	8,700	8,500
VIE
Securitization Transactions [Line Items]
Cash and cash equivalents	2,523	2,494
Related Debt	52,054	50,855
VIE \| Securitization Transactions
Securitization Transactions [Line Items]
Cash and cash equivalents	2,500	2,500
Before Allowance for Credit Losses	69,700	74,300
Allowance for Credit Losses	(300)	(300)
After Allowance for Credit Losses	69,400	74,000
Related Debt	52,100	50,900
VIE \| Securitization Transactions \| Retail financing
Securitization Transactions [Line Items]
Cash and cash equivalents	1,700	1,700
Before Allowance for Credit Losses	36,200	37,000
Allowance for Credit Losses	(300)	(300)
After Allowance for Credit Losses	35,900	36,700
Related Debt	29,900	31,600
VIE \| Securitization Transactions \| Wholesale financing
Securitization Transactions [Line Items]
Cash and cash equivalents	200	300
Before Allowance for Credit Losses	19,900	24,000
Allowance for Credit Losses	0	0
After Allowance for Credit Losses	19,900	24,000
Related Debt	13,500	10,800
VIE \| Securitization Transactions \| Finance receivables
Securitization Transactions [Line Items]
Cash and cash equivalents	1,900	2,000
Before Allowance for Credit Losses	56,100	61,000
Allowance for Credit Losses	(300)	(300)
After Allowance for Credit Losses	55,800	60,700
Related Debt	43,400	42,400
VIE \| Securitization Transactions \| Net investment in operating leases
Securitization Transactions [Line Items]
Cash and cash equivalents	600	500
Before Allowance for Credit Losses	13,600	13,300
Allowance for Credit Losses	0	0
After Allowance for Credit Losses	13,600	13,300
Related Debt	8,700	8,500
Non-VIE \| Securitization Transactions
Securitization Transactions [Line Items]
Cash and cash equivalents	400	500
Before Allowance for Credit Losses	8,000	11,000
Allowance for Credit Losses	(100)	(100)
After Allowance for Credit Losses	7,900	10,900
Related Debt	7,400	9,500
Non-VIE \| Securitization Transactions \| Retail financing
Securitization Transactions [Line Items]
Cash and cash equivalents	400	500
Before Allowance for Credit Losses	7,600	10,600
Allowance for Credit Losses	(100)	(100)
After Allowance for Credit Losses	7,500	10,500
Related Debt	7,000	9,300
Non-VIE \| Securitization Transactions \| Wholesale financing
Securitization Transactions [Line Items]
Cash and cash equivalents	0	0
Before Allowance for Credit Losses	400	400
Allowance for Credit Losses	0	0
After Allowance for Credit Losses	400	400
Related Debt	400	200
Non-VIE \| Securitization Transactions \| Finance receivables
Securitization Transactions [Line Items]
Cash and cash equivalents	400	500
Before Allowance for Credit Losses	8,000	11,000
Allowance for Credit Losses	(100)	(100)
After Allowance for Credit Losses	7,900	10,900
Related Debt	7,400	9,500
Non-VIE \| Securitization Transactions \| Net investment in operating leases
Securitization Transactions [Line Items]
Cash and cash equivalents	0	0
Before Allowance for Credit Losses	0	0
Allowance for Credit Losses	0	0
After Allowance for Credit Losses	0	0
Related Debt	$ 0	$ 0