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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
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Financing Receivable, Past Due [Line Items] |  |
Accounts payable | $ 6,468 | $ 6,849
Suppliers Utilizing Third Party Services Sold Through To Financial Institutions |  |
Financing Receivable, Past Due [Line Items] |  |
Accounts payable | $ 1,029 | $ 1,112

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