CREDIT FACILITIES AND LONG-TERM DEBT - Summary of Credit Facilities and Long-Term Debt (Details) - Line of Credit - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Borrowing Capacity	$ 10,125
Outstanding, current	15	$ 1,376
Net Carrying Amount	2,527	3,020
Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	7,325
Outstanding amount, current	15	1,377
Outstanding, current	15	1,376
Outstanding amount, noncurrent	1,600	1,900
Issuance Costs	0	(1)
Issuance Costs	(15)	(17)
Net Carrying Amount	1,585	1,883
Asset-backed Mezzanine Term Debt Facilities
Debt Instrument [Line Items]
Borrowing Capacity	2,800
Outstanding amount, current	0	0
Outstanding amount, noncurrent	950	1,150
Issuance Costs	(8)	(13)
Net Carrying Amount	942	1,137
Revolving Facility 2018-2 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	1,000
Outstanding amount, current	15	472
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	7.48%	4.86%
Revolving Facility 2018-3 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 1,000
Outstanding amount, current	0	$ 194
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	6.82%	3.98%
Revolving Facility 2019-1 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 600
Outstanding amount, current	0	$ 55
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	7.34%	4.41%
Revolving Facility 2019-2 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 1,850
Outstanding amount, current	0	$ 167
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	6.83%	3.92%
Revolving Facility 2019-3 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 925
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	0.00%	3.86%
Revolving Facility 2022-1 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Outstanding amount, current		$ 289
Outstanding amount, noncurrent		$ 0
Weighted average interest rate (in percent)		8.15%
Term Debt Facility 2021-S1 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 100
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 100	$ 400
Weighted average interest rate (in percent)	3.48%	3.48%
Term Debt Facility 2021-S2 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 600
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 500	$ 500
Weighted average interest rate (in percent)	3.20%	3.20%
Term Debt Facility 2021-S3 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 1,000
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 750	$ 750
Weighted average interest rate (in percent)	3.75%	3.75%
Term Debt Facility 2022-S1 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 250
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 250	$ 250
Weighted average interest rate (in percent)	4.07%	4.07%
Term Debt Facility 2022-S2 \| Asset-backed Senior Revolving Credit Facilities
Debt Instrument [Line Items]
Outstanding amount, current		$ 200
Outstanding amount, noncurrent		$ 0
Weighted average interest rate (in percent)		8.48%
Term Debt Facility 2020-M1 \| Asset-backed Mezzanine Term Debt Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 2,300
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 800	$ 1,000
Weighted average interest rate (in percent)	10.00%	10.00%
Term Debt Facility 2022-M1 \| Asset-backed Mezzanine Term Debt Facilities
Debt Instrument [Line Items]
Borrowing Capacity	$ 500
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 150	$ 150
Weighted average interest rate (in percent)	10.00%	10.00%

Long-Term Debt, Gross, Current

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