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Disposal Group, Including Discontinued Operation, Deposits

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Disposal Group, Number Of Businesses Sold

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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

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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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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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The cash inflow associated with the sale of loans receivables arising from the financing of goods and services.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Narrative (Details) $ in Millions		3 Months Ended
	Aug. 25, 2022	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($) consumerBankingBusiness	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Aug. 19, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 25, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loans, net of unearned income			$ 645,960				$ 667,767
Personal installment loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loans, net of unearned income			320
Forecast \| Personal installment loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of loans		$ 345
Loss on sale of loans		$ 35
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				$ 400
Loss on sale of business, foreign currency translation adjustments, after-tax				345
Employee Severance Costs \| Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax charges recorded from other business exits			$ 10
Other Restructuring \| Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total estimated cash charges for the wind-down						$ 170
Term of plan	18 months
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				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				140
Loss on sale of business, foreign currency translation adjustments, after-tax				$ 124
Consumer Banking Businesses \| Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses being sold \| consumerBankingBusiness			9
Assets			$ 26,000
Loans			17,000
Allowance			292
Liabilities			20,000
Deposits			$ 20,000
Citibank Korea Inc. \| Employee Severance Costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax charges recorded from other business exits					$ 31
Total estimated cash charges for the wind-down								$ 1,100