Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Allowance For Credit Losses

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- Definition

Disposal Group, Including Discontinued Operation, Deposits

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- Definition

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

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- Definition

Disposal Group, Number Of Businesses Sold

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- Definition

Estimated Restructure Reserve Charges

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- Definition

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

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- Definition

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

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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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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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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Narrative (Details) $ in Millions	3 Months Ended
	Jun. 30, 2022 USD ($) consumerBankingBusiness	Mar. 31, 2022 USD ($)	Oct. 25, 2021 USD ($)
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
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
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	$ 29,000
Loans	19,000
Allowance	409
Liabilities	23,000
Deposits	$ 22,000
Consumer Banking Businesses \| Discontinued Operations, Held-for-sale \| Legacy Franchises
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses being sold \| consumerBankingBusiness	5