CITIGROUP INC

0000001 - Document - Cover Page

0000002 - Document - Audit Information

9952151 - Statement - CONSOLIDATED STATEMENT OF INCOME

9952152 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

9952153 - Statement - CONSOLIDATED BALANCE SHEET

9952154 - Statement - CONSOLIDATED BALANCE SHEET (Parenthetical)

9952155 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY

9952156 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)

9952157 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS

9952158 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS (Parenthetical)

9952159 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

9952160 - Disclosure - DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS

9952161 - Disclosure - REPORTABLE BUSINESS SEGMENTS AND ALL OTHER

9952162 - Disclosure - INTEREST INCOME AND EXPENSE

9952163 - Disclosure - COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES

9952164 - Disclosure - PRINCIPAL TRANSACTIONS

9952165 - Disclosure - INCENTIVE PLANS

9952166 - Disclosure - RETIREMENT BENEFITS

9952167 - Disclosure - RESTRUCTURING

9952168 - Disclosure - INCOME TAXES

9952169 - Disclosure - EARNINGS PER SHARE

9952170 - Disclosure - SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS

9952171 - Disclosure - BROKERAGE RECEIVABLES AND BROKERAGE PAYABLES

9952172 - Disclosure - INVESTMENTS

9952173 - Disclosure - LOANS

9952174 - Disclosure - ALLOWANCE FOR CREDIT LOSSES

9952175 - Disclosure - GOODWILL AND INTANGIBLE ASSETS

9952176 - Disclosure - DEPOSITS

9952177 - Disclosure - DEBT

9952178 - Disclosure - REGULATORY CAPITAL

9952179 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI)

9952180 - Disclosure - PREFERRED STOCK

9952181 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES

9952182 - Disclosure - DERIVATIVES

9952183 - Disclosure - CONCENTRATIONS OF CREDIT RISK

9952184 - Disclosure - FAIR VALUE MEASUREMENT

9952185 - Disclosure - FAIR VALUE ELECTIONS

9952186 - Disclosure - PLEDGED ASSETS, RESTRICTED CASH, COLLATERAL, GUARANTEES AND COMMITMENTS

9952187 - Disclosure - LEASES

9952188 - Disclosure - CONTINGENCIES

9952189 - Disclosure - SUBSIDIARY GURANTEES

9952190 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS

995445 - Disclosure - Insider Trading Arrangements

995447 - Disclosure - Insider Trading Policies and Procedures

995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure

9955511 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

9955512 - Disclosure - DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS (Tables)

9955513 - Disclosure - REPORTABLE BUSINESS SEGMENTS AND ALL OTHER (Tables)

9955514 - Disclosure - INTEREST INCOME AND EXPENSE (Tables)

9955515 - Disclosure - COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES (Tables)

9955516 - Disclosure - PRINCIPAL TRANSACTIONS (Tables)

9955517 - Disclosure - INCENTIVE PLANS (Tables)

9955518 - Disclosure - RETIREMENT BENEFITS (Tables)

9955519 - Disclosure - RESTRUCTURING (Tables)

9955520 - Disclosure - INCOME TAXES (Tables)

9955521 - Disclosure - EARNINGS PER SHARE (Tables)

9955522 - Disclosure - SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS (Tables)

9955523 - Disclosure - BROKERAGE RECEIVABLES AND BROKERAGE PAYABLES (Tables)

9955524 - Disclosure - INVESTMENTS (Tables)

9955525 - Disclosure - LOANS (Tables)

9955526 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Tables)

9955527 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)

9955528 - Disclosure - DEPOSITS (Tables)

9955529 - Disclosure - DEBT (Tables)

9955530 - Disclosure - REGULATORY CAPITAL (Tables)

9955531 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) (Tables)

9955532 - Disclosure - PREFERRED STOCK (Tables)

9955533 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES (Tables)

9955534 - Disclosure - DERIVATIVES (Tables)

9955535 - Disclosure - FAIR VALUE MEASUREMENT (Tables)

9955536 - Disclosure - FAIR VALUE ELECTIONS (Tables)

9955537 - Disclosure - PLEDGED ASSETS, RESTRICTED CASH, COLLATERAL, GUARANTEES AND COMMITMENTS (Tables)

9955538 - Disclosure - LEASES (Tables)

9955539 - Disclosure - SUBSIDIARY GURANTEES (Tables)

9955540 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS (Tables)

9955541 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

9955542 - Disclosure - DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Narrative (Details)

9955543 - Disclosure - DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Schedule of Income Before Taxes (Details)

9955544 - Disclosure - DISCONTINUED OPERATIONS, SIGNIFICANT DISPOSALS AND OTHER BUSINESS EXITS - Schedule of Assets and Liabilities (Details)

9955545 - Disclosure - REPORTABLE BUSINESS SEGMENTS AND ALL OTHER - Narrative (Details)

9955546 - Disclosure - REPORTABLE BUSINESS SEGMENTS AND ALL OTHER - Segment Information (Details)

9955547 - Disclosure - INTEREST INCOME AND EXPENSE (Details)

9955548 - Disclosure - COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES - Additional Information (Details)

9955549 - Disclosure - COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES - Commissions and Fees Revenue (Details)

9955550 - Disclosure - COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES - Administration and Other Fiduciary Fees (Details)

9955551 - Disclosure - PRINCIPAL TRANSACTIONS (Details)

9955552 - Disclosure - INCENTIVE PLANS - Annual Incentive Awards and Compensation Allowances (Details)

9955553 - Disclosure - INCENTIVE PLANS - Unvested Stock Awards (Details)

9955554 - Disclosure - INCENTIVE PLANS - Stock Options (Details)

9955555 - Disclosure - INCENTIVE PLANS - Performance Share Units (Details)

9955556 - Disclosure - INCENTIVE PLANS - Incentive Compensation Cost (Details)

9955557 - Disclosure - RETIREMENT BENEFITS - Net (Benefit) Expense (Details)

9955558 - Disclosure - RETIREMENT BENEFITS - Contributions (Details)

9955559 - Disclosure - RETIREMENT BENEFITS - Funded Status and Accumulated Other Comprehensive Income (Details)

9955560 - Disclosure - RETIREMENT BENEFITS - Accumulated Other Comprehensive Income (Details)

9955561 - Disclosure - RETIREMENT BENEFITS - PBO and ABO Exceed Fair Value of Plan Assets (Details)

9955562 - Disclosure - RETIREMENT BENEFITS - Assumptions Used (Details)

9955563 - Disclosure - RETIREMENT BENEFITS - Discount Rate and Expected Rate of Return (Details)

9955564 - Disclosure - RETIREMENT BENEFITS - Sensitivities of Certain Key Assumptions (Details)

9955565 - Disclosure - RETIREMENT BENEFITS - Health Care Cost-Trend Rate (Details)

9955566 - Disclosure - RETIREMENT BENEFITS - Plan Assets (Details)

9955567 - Disclosure - RETIREMENT BENEFITS - Fair Value Disclosure (Details)

9955568 - Disclosure - RETIREMENT BENEFITS - Level 3 Roll Forward (Details)

9955569 - Disclosure - RETIREMENT BENEFITS - Estimated Future Benefit Payments (Details)

9955570 - Disclosure - RETIREMENT BENEFITS - Post Employment and Defined Contribution Plans (Details)

9955571 - Disclosure - RESTRUCTURING - Narrative (Details)

9955572 - Disclosure - RESTRUCTURING - Schedule of Restructuring Reserve Activity (Details)

9955573 - Disclosure - INCOME TAXES - Components of Income Tax Provision (Details)

9955574 - Disclosure - INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)

9955575 - Disclosure - INCOME TAXES - Deferred Income Taxes (Details)

9955576 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits (Details)

9955577 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits Narrative (Details)

9955578 - Disclosure - INCOME TAXES - Interest and Penalties (Details)

9955579 - Disclosure - INCOME TAXES - Foreign Earnings (Details)

9955580 - Disclosure - INCOME TAXES - Deferred Tax Assets Narrative (Details)

9955581 - Disclosure - INCOME TAXES - Deferred Tax Assets by Jurisdiction (Details)

9955582 - Disclosure - INCOME TAXES - Tax Credit Carryforward and Expiration Dates (Details)

9955583 - Disclosure - INCOME TAXES - Income Taxes Paid (Details)

9955584 - Disclosure - EARNINGS PER SHARE (Details)

9955585 - Disclosure - SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Securities (Details)

9955586 - Disclosure - SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Offsetting (Details)

9955587 - Disclosure - SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Repurchase Agreements (Details)

9955588 - Disclosure - BROKERAGE RECEIVABLES AND BROKERAGE PAYABLES (Details)

9955589 - Disclosure - INVESTMENTS - Overview (Details)

9955590 - Disclosure - INVESTMENTS - Fair Value of AFS Securities (Details)

9955591 - Disclosure - INVESTMENTS - Fair Value of AFS Debt Securities by Contractual Maturity Date (Details)

9955592 - Disclosure - INVESTMENTS - Debt Securities Held-to-Maturity (Details)

9955593 - Disclosure - INVESTMENTS - Carrying Value and Fair Value of HTM Debt Securities by Contractual Maturity Dates (Details)

9955594 - Disclosure - INVESTMENTS - Recognition and Measurement of Impairment Losses (Details)

9955595 - Disclosure - INVESTMENTS - Carrying Value of Non-marketable Equity Securities Measured Using the Measurement Alternative (Details)

9955596 - Disclosure - LOANS - Corporate Loans (Details)

9955597 - Disclosure - LOANS - Corporate Loan Delinquency and Non-Accruals (Details)

9955598 - Disclosure - LOANS - Corporate Loans Credit Quality Indicators (Details)

9955599 - Disclosure - LOANS - Corporate Loans Gross Credit Losses (Details)

9955600 - Disclosure - LOANS - Non-accrual Corporate Loans (Details)

9955601 - Disclosure - LOANS - Corporate Loan Modifications to Borrowers Experiencing Financial Difficulty (Details)

9955602 - Disclosure - LOANS - Corporate Troubled Debt Restructurings (Details)

9955603 - Disclosure - LOANS - Performance of Modified Corporate Loans (Details)

9955604 - Disclosure - LOANS - Consumer Loan Delinquency and Non-Accruals (Details)

9955605 - Disclosure - LOANS - Schedule of Interest Income Recognized for Non-Accrual Consumer Loans (Details)

9955606 - Disclosure - LOANS - Credit Quality Indicators (Details)

9955607 - Disclosure - LOANS - Consumer Loans Gross Credit Losses (Details)

9955608 - Disclosure - LOANS - Consumer Loans Outside of North America (Details)

9955609 - Disclosure - LOANS - Residential Mortgages (Details)

9955610 - Disclosure - LOANS - Types of Consumer Loan Modifications and Their Financial Effect (Details)

9955612 - Disclosure - LOANS - Performance of Modified Consumer Loans (Details)

9955613 - Disclosure - LOANS - Defaults of Modified Consumer Loans (Details)

9955614 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses Roll Forward (Details)

9955615 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses Roll Forward by Segment (Details)

9955616 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Narrative (Details)

9955617 - Disclosure - ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses for Other Assets (Details)

9955618 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Changes in Goodwill by Segment (Details)

9955619 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Components of Intangible Assets (Details)

9955620 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Changes in Intangible Assets (Details)

9955621 - Disclosure - DEPOSITS - Schedule of Deposits (Details)

9955622 - Disclosure - DEPOSITS - Maturities of Time Deposits (Details)

9955623 - Disclosure - DEBT - Short-Term Borrowings (Details)

9955624 - Disclosure - DEBT - Long-Term Debt (Details)

9955625 - Disclosure - DEBT - Maturities of Long-term Debt (Details)

9955626 - Disclosure - DEBT - Trust Preferred Securities (Details)

9955627 - Disclosure - REGULATORY CAPITAL (Details)

9955628 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) - Change in Each Component of AOCI (Details)

9955629 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) - Schedule of Pre-Tax and After-Tax (Details)

9955630 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) - Reclassification out of AOCI (Details)

9955631 - Disclosure - PREFERRED STOCK (Details)

9955632 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities (Details)

9955633 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Assets and Liabilities of VIEs (Details)

9955634 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Funding Commitments (Details)

9955635 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Carrying Amounts and Classifications of Consolidated Assets (Details)

9955636 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Credit Card Securitizations (Details)

9955637 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Mortgage Securitizations (Details)

9955638 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Loan Delinquencies and Liquidation Losses (Details)

9955639 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Mortgage Servicing Rights (Details)

9955640 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset-Backed Commercial Paper Conduits (Details)

9955641 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Collateralized Debt and Loan Obligations (Details)

9955642 - Disclosure - SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset Based Financing (Details)

9955643 - Disclosure - DERIVATIVES - Derivative Notionals (Details)

9955644 - Disclosure - DERIVATIVES - Derivative Mark-to-Market (MTM) Receivables/Payables (Details)

9955645 - Disclosure - DERIVATIVES - Fair Value Hedges (Details)

9955646 - Disclosure - DERIVATIVES - Cumulative Basis Adjustment (Details)

9955647 - Disclosure - DERIVATIVES - Cash Flow Hedges (Details)

9955648 - Disclosure - DERIVATIVES - Net Investment Hedges (Details)

9955649 - Disclosure - DERIVATIVES - Credit Derivatives (Details)

9955650 - Disclosure - CONCENTRATIONS OF CREDIT RISK (Details)

9955651 - Disclosure - FAIR VALUE MEASUREMENT - Market Valuation Adjustments (Details)

9955652 - Disclosure - FAIR VALUE MEASUREMENT - Items Measured at Fair Value on a Recurring Basis (Details)

9955653 - Disclosure - FAIR VALUE MEASUREMENT - Level 3 Roll Forward (Details)

9955654 - Disclosure - FAIR VALUE MEASUREMENT - Level 3 Roll Forward Narrative (Details)

9955655 - Disclosure - FAIR VALUE MEASUREMENT - Valuation Techniques and Inputs for Level 3 Fair Value Measurements (Details)

9955656 - Disclosure - FAIR VALUE MEASUREMENT - Items Measured at Fair Value on a Nonrecurring Basis (Details)

9955657 - Disclosure - FAIR VALUE MEASUREMENT - Valuation Techniques and Inputs for Level 3 Nonrecurring Fair Value Measurements (Details)

9955658 - Disclosure - FAIR VALUE MEASUREMENT - Estimate Fair Value of Financial Instruments Not Carried at Fair Value (Details)

9955659 - Disclosure - FAIR VALUE ELECTIONS - Changes in Fair Value Gains (Losses) (Details)

9955660 - Disclosure - FAIR VALUE ELECTIONS - Valuation Adjustments, Fair Value Option for Financial Assets and Financial Liabilities (Details)

9955661 - Disclosure - FAIR VALUE ELECTIONS - Certain Structured and Non-Structured Liabilities (Details)

9955662 - Disclosure - PLEDGED ASSETS, RESTRICTED CASH, COLLATERAL, GUARANTEES AND COMMITMENTS - Pledged Assets and Collateral (Details)

9955663 - Disclosure - PLEDGED ASSETS, RESTRICTED CASH, COLLATERAL, GUARANTEES AND COMMITMENTS - Restricted Cash (Details)

9955664 - Disclosure - PLEDGED ASSETS, RESTRICTED CASH, COLLATERAL, GUARANTEES AND COMMITMENTS - Guarantees (Details)

9955665 - Disclosure - PLEDGED ASSETS, RESTRICTED CASH, COLLATERAL, GUARANTEES AND COMMITMENTS - Credit Commitments and Lines of Credit (Details)

9955666 - Disclosure - LEASES - Narrative (Details)

9955667 - Disclosure - LEASES - Right of Use Asset and Lease Liabilities (Details)

9955668 - Disclosure - LEASES - Operating Lease Expense (Details)

9955669 - Disclosure - LEASES - Cash Flow Supplemental Information (Details)

9955670 - Disclosure - LEASES - Lease Commitments (Details)

9955671 - Disclosure - CONTINGENCIES (Details)

9955672 - Disclosure - SUBSIDIARY GURANTEES - Condensed Consolidating Statements of Income and Comprehensive Income (Details)

9955673 - Disclosure - SUBSIDIARY GURANTEES - Condensed Consolidating Balance Sheets (Details)

9955674 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS - Condensed Consolidating Statements of Income and Comprehensive Income (Details)

9955675 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS - Condensed Consolidating Balance Sheets (Details)

9955676 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS - Condensed Consolidating Statement of Cash Flows (Details)