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SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset-Backed Commercial Paper Conduits (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Classification of Other Securitization Details |  |
Commercial paper | $ 19,391 | $ 28,916
Citi-administered asset-backed commercial paper conduits |  |
Classification of Other Securitization Details |  |
Purchased assets outstanding under conduits | 19,000 | 21,300
Incremental funding commitments with clients | $ 16,900 | $ 16,700
Weighted average life of commercial paper issued by conduits | 58 days | 82 days
Citi-administered asset-backed commercial paper conduits | Minimum |  |
Classification of Other Securitization Details |  |
Letters of credit as percentage of conduit assets | 8.00% |
Floor price of conduit's assets | $ 200 |
Citi-administered asset-backed commercial paper conduits | Maximum |  |
Classification of Other Securitization Details |  |
Letters of credit as percentage of conduit assets | 10.00% |
Floor price of conduit's assets | $ 350 |
Citi-administered asset-backed consolidated commercial paper conduits (ABCP) |  |
Classification of Other Securitization Details |  |
Letters of credit provided to conduits | 1,900 | $ 2,100
Commercial paper | $ 6,100 | $ 6,400

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- Definition Represents the amount of floor price of asset-backed commercial paper conduits. + References No definition available. + Details
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- Definition Represents the amount of incremental funding commitments with clients under conduits. + References No definition available. + Details
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- Definition This element represents the percentage of letters of credit to conduit assets. + References No definition available. + Details
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- Definition This element represents the letters of credit provided to conduits. + References No definition available. + Details
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- Definition Represents the amount of purchased assets outstanding under conduits. + References No definition available. + Details
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- Definition This element represents the weighted average life, in days, of commercial paper issued by the conduits. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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