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Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses), Net Of Taxes

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Disposal Group, Number Of Businesses Sold

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Disposal Group, Number Of Significant Businesses Sold

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- Definition

Amount of foreign currency translation gain (loss) in the disposal group, including discontinued operation, recognized in the statement of income as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity.

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- Definition

Amount of gain (loss) on sale of financing receivable.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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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.

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- Definition

Amount of costs incurred to date for the specified restructuring cost.

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DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Narrative (Details) $ in Millions	3 Months Ended	7 Months Ended	12 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2024 USD ($) business	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations			$ (2)	$ (1)	$ (231)
Consumer
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of loans	$ 5	$ (7)
Employee Severance Costs \| Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Credit card receivable amount refinanced						$ 55
Discontinued Operations, Disposed of by Sale \| Legacy Franchises
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of business, foreign currency translation adjustments, pretax					400
Loss on sale of business, foreign currency translation adjustments, after-tax					345
Egg Banking Business \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of business, foreign currency translation adjustments, pretax					260
Loss on sale of business, foreign currency translation adjustments, after-tax					221
Legacy Holdings \| Discontinued Operations, Disposed of by Sale \| Legacy Franchises
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of business, foreign currency translation adjustments, pretax					140
Loss on sale of business, foreign currency translation adjustments, after-tax					124
Consumer Banking Businesses \| Discontinued Operations, Held-for-sale or Disposed of by Sale \| Legacy Franchises
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses sold \| business			9
Consumer Banking Businesses \| Discontinued Operations, Disposed of by Sale \| Legacy Franchises
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of significant businesses sold \| business			5
Citibank Korea Inc. \| Employee Severance Costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring costs incurred to date					$ 1,100