Risks and Uncertainties (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| EBP 004 | EBP, Employer, Common Stock | ||
| EBP, Risk and Uncertainty [Line Items] | ||
| Investments in Citigroup common stock (percent) | 4.00% | 3.00% |
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- Definition Percentage of investment at fair value held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), to total investments representing concentration risk at or above applicable threshold. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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