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LOANS RECEIVABLE, NET - Summary of Loans Receivable, Net (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | $ 3,778 | $ 2,840 |  |
Allowance for doubtful accounts | (1,084) | (1,104) | $ (435) | $ (78)
Loans receivable, net | 2,694 | 1,736 |  |
On-line merchant |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 429 | 394 |  |
Allowance for doubtful accounts | (119) | (120) | (79) | (20)
Loans receivable, net | 310 | 274 |  |
Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 1,808 | 1,568 |  |
Allowance for doubtful accounts | (592) | (614) | (232) | (45)
Loans receivable, net | 1,216 | 954 |  |
In-store merchant |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 332 | 267 |  |
Allowance for doubtful accounts | (137) | (145) | (76) | (13)
Loans receivable, net | 195 | 122 |  |
Credit cards |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 1,209 | 611 |  |
Allowance for doubtful accounts | (236) | (225) | $ (48) | $ 0
Loans receivable, net | $ 973 | $ 386 |  |

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