0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statement of Comprehensive Income (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statement of Comprehensive Income (unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Balance Sheet (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Balance Sheet (unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Balance Sheet (unaudited) (VIEs) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statement of Changes in Equity (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statement of Changes in Equity (unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - Condensed Consolidated Statement of Cash Flows (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Other Income, Net of Losses link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Reserves for Insurance Losses and Loss Adjustment Expenses link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Other Operating Expenses link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Investment Securities link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Finance Receivables and Loans, Net link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Leasing link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Securitizations and Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Other Assets link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Deposit Liabilities link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Accrued Expenses and Other Liabilities link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Preferred Stock link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Earnings per Common Share link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Regulatory Capital and Other Regulatory Matters link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Derivative Instruments and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 9952179 - Disclosure - Offsetting Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 9952180 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952181 - Disclosure - Contingencies and Other Risks link:presentationLink link:calculationLink link:definitionLink 9952182 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Other Income, Net of Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Reserves for Insurance Losses and Loss Adjustment Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Other Operating Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Investment Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Finance Receivables and Loans, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Leasing (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Securitizations and Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Other Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Deposit Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Accrued Expenses and Other Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Preferred Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Earnings per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Regulatory Capital and Other Regulatory Matters (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Offsetting Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Revenue from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Revenue from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Other Income, Net of Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Reserves for Insurance Losses and Loss Adjustment Expenses - Schedule of Rollforward of Our Reserves for Insurance Losses and Loss Adjustment Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Other Operating Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Investment Securities - Schedule of Investment Portfolio (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Investment Securities - Schedule of Investments Classified by Contractual Maturity Date (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Investment Securities - Schedule of Investment Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investment Securities - Schedule Of Realized Gain (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Investment securities - Schedule of Investments Classified by Credit Rating (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Investment Securities - Schedule of Unrealized Loss on Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Finance Receivables and Loans, Net - Schedule of Accounts, Notes, Loans and Financing Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Finance Receivables and Loans, Net - Schedule of Allowance for Credit Losses on Financing Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Finance Receivables and Loans, Net - Schedule of Sales of Financing Receivables and Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Finance Receivables and Loans, Net - Schedule of Purchases of Financing Receivables and Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Finance Receivables and Loans, Net - Schedule of Financing Receivables, Nonaccrual Status (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Finance Receivables and Loans, Net - Schedule of Financing Receivable Credit Quality Indicators Consumer (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Finance Receivables and Loans, Net - Schedule of Financing Receivable Credit Quality Indicators Commercial (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Finance Receivables and Loans, Net - Schedule of Past Due Financing Receivables and Loans Commercial (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Finance Receivables and Loans, Net - Schedule of Financing Receivable Gross Charge-Offs (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Finance Receivables and Loans, Net - Schedule of Loan Modifications (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Leasing - Ally as the Lessee (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Leasing - Schedule of Lessee, Operating Lease, Liability, Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Leasing - Schedule of Lessee, Operating Lease, Liability, Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Leasing - Schedule of Lease, Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Leasing - Schedule of Ally as the Lessor (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Leasing - Schedule of Lessor, Operating Lease, Payments to be Received, Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Leasing - Schedule of Depreciation Expense on Operating Lease Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Leasing - Schedule of Sales-type and Direct Financing Leases, Lease Receivable, Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Leasing - Schedule of Sales-type and Direct Financing Leases, Lease Receivable, Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Securitizations and Variable Interest Entities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Securitizations and Variable Interest Entities - Schedule of Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Securitizations and Variable Interest Entities - Schedule of Cash Flows with Nonconsolidated Special-Purpose Entities (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Securitizations and Variable Interest Entities - Schedule of Quantitative Information and Net Credit Losses about Securitized and Other Financial Assets Managed Together (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Other Assets - Schedule of Other Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Other Assets - Schedule of Proportional Amortization Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Other Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Other Assets - Schedule of Equity Securities without Readily Determinable Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Other Assets - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Deposit Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Debt - Schedule of Short-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Debt - Schedule of Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Debt - Schedule of Remaining Maturity of Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Debt - Schedule of Pledged Assets Related to Secured Borrowings and Repurchase Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Accrued Expenses and Other Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Accumulated Other Comprehensive Loss - Schedule of Reclassification Out of Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Earnings per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Regulatory Capital and Other Regulatory Matters - Schedule of Regulatory Capital Amount and Ratios (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Regulatory Capital and Other Regulatory Matters - Schedule of Common Share Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Derivative Instruments and Hedging Activities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Fair Value Amounts of Derivative Instruments Reported on our Condensed Consolidated Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Statement of Gains and Losses on Derivative Instruments Reported in Statement of Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Derivative Instruments Designated as Fair Value Hedges, Gain (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Interest and Amortization on Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Derivative Instruments Used in Net Investment Hedge Accounting Relationships (Details) link:presentationLink link:calculationLink link:definitionLink 9955587 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955588 - Disclosure - Fair Value - Schedule of Fair Value Measurements - Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955589 - Disclosure - Fair Value - Schedule of Fair Value Measurements - Reconciliation of Level 3 Assets And Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955590 - Disclosure - Fair Value - Schedule of Fair Value Measurements - Nonrecurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955591 - Disclosure - Fair Value - Schedule of Fair Value, by Balance Sheet Grouping (Details) link:presentationLink link:calculationLink link:definitionLink 9955592 - Disclosure - Offsetting Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955592 - Disclosure - Offsetting Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955593 - Disclosure - Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955594 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink