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LOANS RECEIVABLE, NET - Summary of Loans Receivable, Net (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 6,573	$ 3,778
Allowance for doubtful accounts	(1,678)	(1,084)	$ (1,104)	$ (435)
Loans receivable, net	4,895	2,694
Merchant
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	1,205	761
Allowance for doubtful accounts	(417)	(256)	(265)	(155)
Loans receivable, net	788	505
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	2,591	1,789
Allowance for doubtful accounts	(696)	(591)	(614)	(232)
Loans receivable, net	1,895	1,198
Credit cards
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	2,639	1,209
Allowance for doubtful accounts	(557)	(236)	(225)	$ (48)
Loans receivable, net	2,082	973
Asset-backed
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	138	19
Allowance for doubtful accounts	(8)	(1)	$ 0
Loans receivable, net	$ 130	$ 18

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