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Disposal Group, Including Discontinued Operation, Deposits

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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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Financing Receivable, Loss, Adjustment To Lower Of Cost Or Fair Value

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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, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from sale of loan. Excludes net investment in lease.

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

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DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Narrative (Details) $ in Millions		3 Months Ended		7 Months Ended
	Dec. 12, 2022 USD ($)	Jun. 30, 2023 USD ($) business	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) business	Dec. 31, 2022 USD ($)
Personal installment loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of loans		$ 5		$ (7)
Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cost incurred to date		58		58
Total estimated cash charges for the wind-down		180		180
Russian Operations \| Personal installment loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of loans	$ 240
Gain (loss) on sale of loans	(12)
Adjustment to record loans at lower of cost or fair value	32
Decrease in allowance for loans sold	$ 20
Citibank Korea Inc. \| Severance costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cost incurred to date					$ 1,100
Sold \| Egg Banking Business
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 Franchises \| 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		140		140
Legacy Franchises \| Severance costs \| Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax (release) charges		1
Cost incurred to date		29		29
Legacy Franchises \| Vendor termination and other costs \| Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax (release) charges		(4)
Cost incurred to date		$ 17		$ 17
Legacy Franchises \| Consumer banking businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses with sale agreements \| business		9		9
Number of businesses sold \| business		5		5
Legacy Franchises \| Sold
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
Legacy Franchises \| Sold \| Legacy Holdings
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
Legacy Franchises \| Held for sale \| Consumer banking businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets		$ 14,000		$ 14,000
Loans		8,000		8,000
Allowance		68		68
Liabilities		11,000		11,000
Deposits		11,000		11,000
Institutional Clients Group \| 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		40		40
Institutional Clients Group \| Severance costs \| Russian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax (release) charges		(2)
Cost incurred to date		$ 12		$ 12