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LOANS RECEIVABLE, NET - Schedule of Loans Receivable, Net (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
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Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | $ 4,448 | $ 3,778 |  |
Allowance for doubtful accounts | (1,243) | (1,084) | $ (1,141) | $ (1,104)
Loans receivable, net | 3,205 | 2,694 |  |
On-line merchant |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 445 | 429 |  |
Allowance for doubtful accounts | (123) | (119) | (124) | (120)
Loans receivable, net | 322 | 310 |  |
Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 2,014 | 1,808 |  |
Allowance for doubtful accounts | (660) | (592) | (639) | (614)
Loans receivable, net | 1,354 | 1,216 |  |
In-store merchant |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 450 | 332 |  |
Allowance for doubtful accounts | (166) | (137) | $ (141) | $ (145)
Loans receivable, net | 284 | 195 |  |
Credit cards |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans receivable | 1,539 | 1,209 |  |
Allowance for doubtful accounts | (294) | (236) |  |
Loans receivable, net | $ 1,245 | $ 973 |  |

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