10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2019, or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number: 1-3754

ALLY FINANCIAL INC.

(Exact name of registrant as specified in its charter)

Delaware	38-0572512
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

Ally Detroit Center

500 Woodward Ave.

Floor 10, Detroit, Michigan

48226

(Address of principal executive offices)

(Zip Code)

(866) 710-4623

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes þ                    No ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes þ                    No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer þ	Accelerated filer o	Non-accelerated filer o	Smaller reporting company o
			Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ¨                    No þ

Securities registered pursuant to Section 12(b) of the Act (all listed on the New York Stock Exchange):

Title of each class	Trading symbols
Common Stock, par value $0.01 per share	ALLY
8.125% Fixed Rate/Floating Rate Trust Preferred Securities, Series 2 of GMAC Capital Trust I	ALLY PRA

At May 2, 2019, the number of shares outstanding of the Registrant’s common stock was 397,159,456 shares.

INDEX

Ally Financial Inc. • Form 10-Q

		Page
Part I — Financial Information
Item 1.	Financial Statements	3
	Condensed Consolidated Statement of Comprehensive Income (unaudited) for the Three Months Ended March 31, 2019, and 2018	3
	Condensed Consolidated Balance Sheet (unaudited) at March 31, 2019, and December 31, 2018	5
	Condensed Consolidated Statement of Changes in Equity (unaudited) for the Three Months Ended March 31, 2019, and 2018	7
	Condensed Consolidated Statement of Cash Flows (unaudited) for the Three Months Ended March 31, 2019, and 2018	8
	Notes to Condensed Consolidated Financial Statements (unaudited)	10
	Note 1. Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies	10
	Note 2. Revenue from Contracts with Customers	12
	Note 3. Other Income, Net of Losses	13
	Note 4. Reserves for Insurance Losses and Loss Adjustment Expenses	13
	Note 5. Other Operating Expenses	14
	Note 6. Investment Securities	15
	Note 7. Finance Receivables and Loans, Net	19
	Note 8. Leasing	25
	Note 9. Securitizations and Variable Interest Entities	28
	Note 10. Other Assets	31
	Note 11. Deposit Liabilities	31
	Note 12. Debt	32
	Note 13. Accrued Expenses and Other Liabilities	34
	Note 14. Accumulated Other Comprehensive Loss	35
	Note 15. Earnings per Common Share	37
	Note 16. Regulatory Capital and Other Regulatory Matters	37
	Note 17. Derivative Instruments and Hedging Activities	40
	Note 18. Income Taxes	45
	Note 19. Fair Value	46
	Note 20. Offsetting Assets and Liabilities	52
	Note 21. Segment Information	54
	Note 22. Parent and Guarantor Condensed Consolidating Financial Statements	55
	Note 23. Contingencies and Other Risks	62
	Note 24. Subsequent Events	62
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	63
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	104
Item 4.	Controls and Procedures	105
Part II — Other Information		106
Item 1.	Legal Proceedings	106
Item 1A.	Risk Factors	106
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	106
Item 3.	Defaults Upon Senior Securities	106
Item 4.	Mine Safety Disclosures	106
Item 5.	Other Information	106
Item 6.	Exhibits	107
Signatures		108

Table of Contents PART I — FINANCIAL INFORMATION

Item 1. Financial Statements

Condensed Consolidated Statement of Comprehensive Income (unaudited)

Ally Financial Inc. • Form 10-Q

	Three months ended March 31,
($ in millions)	2019			2018
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	1,807		$	1,543
Interest on loans held-for-sale	2			—
Interest and dividends on investment securities and other earning assets	240			176
Interest on cash and cash equivalents	23			15
Operating leases	361			382
Total financing revenue and other interest income	2,433			2,116
Interest expense
Interest on deposits	592			351
Interest on short-term borrowings	44			32
Interest on long-term debt	419			411
Total interest expense	1,055			794
Net depreciation expense on operating lease assets	246			273
Net financing revenue and other interest income	1,132			1,049
Other revenue
Insurance premiums and service revenue earned	261			256
Gain on mortgage and automotive loans, net	10			1
Other gain (loss) on investments, net	108			(12		)
Other income, net of losses	87			109
Total other revenue	466			354
Total net revenue	1,598			1,403
Provision for loan losses	282			261
Noninterest expense
Compensation and benefits expense	318			306
Insurance losses and loss adjustment expenses	59			63
Other operating expenses	453			445
Total noninterest expense	830			814
Income from continuing operations before income tax expense	486			328
Income tax expense from continuing operations	111			76
Net income from continuing operations	375			252
Loss from discontinued operations, net of tax	(1		)	(2		)
Net income	374			250
Other comprehensive income (loss), net of tax	306			(328		)
Comprehensive income (loss)	$	680		$	(78	)

Statement continues on the next page.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

3

Condensed Consolidated Statement of Comprehensive Income (unaudited)

Ally Financial Inc. • Form 10-Q

	Three months ended March 31,
(in dollars) (a)	2019		2018
Basic earnings per common share
Net income from continuing operations	$	0.93	$	0.58
Loss from discontinued operations, net of tax	—		(0.01		)
Net income	$	0.93	$	0.57
Diluted earnings per common share
Net income from continuing operations	$	0.92	$	0.57
Loss from discontinued operations, net of tax	—		(0.01		)
Net income	$	0.92	$	0.57
Cash dividends declared per common share	$	0.17	$	0.13

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

Refer to Note 15 for additional earnings per share information. The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

4

Condensed Consolidated Balance Sheet (unaudited)

Ally Financial Inc. • Form 10-Q

($ in millions, except share data)	March 31, 2019			December 31, 2018
Assets
Cash and cash equivalents
Noninterest-bearing	$	946		$	810
Interest-bearing	3,011			3,727
Total cash and cash equivalents	3,957			4,537
Equity securities	536			773
Available-for-sale securities (refer to Note 6 for discussion of investment securities pledged as collateral)	27,630			25,303
Held-to-maturity securities (fair value of $2,374 and $2,307)	2,387			2,362
Loans held-for-sale, net	107			314
Finance receivables and loans, net
Finance receivables and loans, net of unearned income	130,055			129,926
Allowance for loan losses	(1,288		)	(1,242		)
Total finance receivables and loans, net	128,767			128,684
Investment in operating leases, net	8,339			8,417
Premiums receivable and other insurance assets	2,401			2,326
Other assets	5,993			6,153
Total assets	$	180,117		$	178,869
Liabilities
Deposit liabilities
Noninterest-bearing	$	141		$	142
Interest-bearing	113,158			106,036
Total deposit liabilities	113,299			106,178
Short-term borrowings	6,115			9,987
Long-term debt	41,490			44,193
Interest payable	696			523
Unearned insurance premiums and service revenue	3,096			3,044
Accrued expenses and other liabilities	1,722			1,676
Total liabilities	166,418			165,601
Contingencies (refer to Note 23)
Equity
Common stock and paid-in capital ($0.01 par value, shares authorized 1,100,000,000; issued 495,771,320 and 492,797,409; and outstanding 399,760,804 and 404,899,599)	21,379			21,345
Accumulated deficit	(5,195		)	(5,489		)
Accumulated other comprehensive loss	(225		)	(539		)
Treasury stock, at cost (96,010,516 and 87,897,810 shares)	(2,260		)	(2,049		)
Total equity	13,699			13,268
Total liabilities and equity	$	180,117		$	178,869

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

5

Condensed Consolidated Balance Sheet (unaudited)

Ally Financial Inc. • Form 10-Q

The assets of consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities and the liabilities of these entities for which creditors (or beneficial interest holders) do not have recourse to our general credit were as follows.

($ in millions)	March 31, 2019			December 31, 2018
Assets
Finance receivables and loans, net
Finance receivables and loans, net of unearned income	$	16,772		$	18,086
Allowance for loan losses	(99		)	(114		)
Total finance receivables and loans, net	16,673			17,972
Investment in operating leases, net	123			164
Other assets	636			767
Total assets	$	17,432		$	18,903
Liabilities
Long-term debt	$	9,742		$	10,482
Accrued expenses and other liabilities	11			12
Total liabilities	$	9,753		$	10,494

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

6

Condensed Consolidated Statement of Changes in Equity (unaudited)

Ally Financial Inc. • Form 10-Q

($ in millions)	Common stock and paid-in capital		Accumulated deficit			Accumulated other comprehensive loss			Treasury stock			Total equity
Balance at December 31, 2017	$	21,245	$	(6,406	)	$	(235	)	$	(1,110	)	$	13,494
Cumulative effect of changes in accounting principles, net of tax (a)
Adoption of Accounting Standards Update 2014-09			(126		)							(126		)
Adoption of Accounting Standards Update 2016-01			(20		)	27						7
Adoption of Accounting Standards Update 2018-02			42			(42		)				—
Balance at January 1, 2018	21,245		(6,510		)	(250		)	(1,110		)	13,375
Net income			250									250
Share-based compensation	28											28
Other comprehensive loss						(328		)				(328		)
Common stock repurchases									(185		)	(185		)
Common stock dividends ($0.13 per share)			(58		)							(58		)
Balance at March 31, 2018	$	21,273	$	(6,318	)	$	(578	)	$	(1,295	)	$	13,082
Balance at December 31, 2018	$	21,345	$	(5,489	)	$	(539	)	$	(2,049	)	$	13,268
Cumulative effect of changes in accounting principles, net of tax (a)
Adoption of Accounting Standards Update 2017-08			(10		)	8						(2		)
Balance at January 1, 2019	21,345		(5,499		)	(531		)	(2,049		)	13,266
Net income			374									374
Share-based compensation	34											34
Other comprehensive income						306						306
Common stock repurchases									(211		)	(211		)
Common stock dividends ($0.17 per share)			(70		)							(70		)
Balance at March 31, 2019	$	21,379	$	(5,195	)	$	(225	)	$	(2,260	)	$	13,699

(a) Refer to the section titled Recently Adopted Accounting Standards in Note 1 for additional information.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

7

Condensed Consolidated Statement of Cash Flows (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, ($ in millions)	2019			2018
Operating activities
Net income	$	374		$	250
Reconciliation of net income to net cash provided by operating activities
Depreciation and amortization	369			434
Provision for loan losses	282			261
Gain on mortgage and automotive loans, net	(10		)	(1		)
Other (gain) loss on investments, net	(108		)	12
Originations and purchases of loans held-for-sale	(134		)	(248		)
Proceeds from sales and repayments of loans held-for-sale	111			230
Net change in
Deferred income taxes	100			83
Interest payable	173			120
Other assets	(40		)	29
Other liabilities	37			(106		)
Other, net	(73		)	33
Net cash provided by operating activities	1,081			1,097
Investing activities
Purchases of equity securities	(48		)	(374		)
Proceeds from sales of equity securities	383			220
Purchases of available-for-sale securities	(3,401		)	(2,360		)
Proceeds from sales of available-for-sale securities	656			328
Proceeds from repayments of available-for-sale securities	694			795
Purchases of held-to-maturity securities	(131		)	(155		)
Proceeds from repayments of held-to-maturity securities	44			35
Purchases of finance receivables and loans held-for-investment	(1,452		)	(1,497		)
Proceeds from sales of finance receivables and loans initially held-for-investment	157			—
Originations and repayments of finance receivables and loans held-for-investment and other, net	1,149			(1,300		)
Purchases of operating lease assets	(792		)	(969		)
Disposals of operating lease assets	624			976
Net change in nonmarketable equity investments	171			(19		)
Other, net	(95		)	(82		)
Net cash used in investing activities	(2,041		)	(4,402		)

Statement continues on the next page.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

8

Condensed Consolidated Statement of Cash Flows (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, ($ in millions)	2019			2018
Financing activities
Net change in short-term borrowings	(3,872		)	(1,848		)
Net increase in deposits	7,114			4,173
Proceeds from issuance of long-term debt	1,766			6,665
Repayments of long-term debt	(4,490		)	(5,771		)
Repurchase of common stock	(211		)	(185		)
Dividends paid	(70		)	(58		)
Net cash provided by financing activities	237			2,976
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	1			(2		)
Net decrease in cash and cash equivalents and restricted cash	(722		)	(331		)
Cash and cash equivalents and restricted cash at beginning of year	5,626			5,269
Cash and cash equivalents and restricted cash at March 31,	$	4,904		$	4,938
Supplemental disclosures
Cash paid for
Interest	$	862		$	667
Income taxes	12			5
Noncash items
Loans held-for-sale transferred to finance receivables and loans held-for-investment	63			—
Finance receivables and loans held-for-investment transferred to loans held-for-sale	20			—
Other disclosures
Proceeds from repayments of mortgage loans held-for-investment originally designated as held-for-sale	3			11

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, ($ in millions)	2019		2018
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	3,957	$	3,721
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	947		1,217
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	4,904	$	4,938

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

9

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

1.    Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies

Ally Financial Inc. (together with its consolidated subsidiaries unless the context otherwise requires, Ally, the Company,or we, us, or our) is a leading digital financial-services company. As a customer-centric company with passionate customer service and innovative financial solutions, we are relentlessly focused on “Doing It Right” and being a trusted financial-services provider to our consumer, commercial, and corporate customers. We are one of the largest full-service automotive finance operations in the country and offer a wide range of financial services and insurance products to dealerships and consumers. Our award-winning online bank (Ally Bank, Member FDIC and Equal Housing Lender) offers mortgage-lending services and a variety of deposit and other banking products, including savings, money-market, and checking accounts, certificates of deposit (CDs), and individual retirement accounts (IRAs). We also support the Ally CashBack Credit Card. Additionally, we offer securities-brokerage and investment-advisory services through Ally Invest. Our robust corporate finance business offers capital for equity sponsors and middle-market companies. We are a Delaware corporation and are registered as a bank holding company (BHC) under the Bank Holding Company Act of 1956, as amended, and a financial holding company (FHC)under the Gramm-Leach-Bliley Act of 1999, as amended.

Our accounting and reporting policies conform to accounting principles generally accepted in the United States of America (GAAP). Additionally, where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and that affect income and expenses during the reporting period and related disclosures. In developing the estimates and assumptions, management uses all available evidence; however, actual results could differ because of uncertainties associated with estimating the amounts, timing, and likelihood of possible outcomes. Our most significant estimates pertain to the allowance for loan losses, valuations of automotive lease assets and residuals, fair value of financial instruments, and the determination of the provision for income taxes.

The Condensed Consolidated Financial Statements at March 31, 2019, and for the three months endedMarch 31, 2019, and 2018, are unaudited but reflect all adjustments that are, in management’s opinion, necessary for the fair presentation of the results for the interim periods presented. All such adjustments are of a normal recurring nature. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements (and the related Notes) included in our Annual Report on Form 10-K for the year ended December 31, 2018, as filed on February 20, 2019, with the U.S. Securities and Exchange Commission (SEC).

Significant Accounting Policies

Lease Accounting

At contract inception, we determine whether the contract is or contains a lease based on the terms and conditions of the contract. Lease contracts are recognized on our Condensed Consolidated Balance Sheet as right-of-use (ROU) assets and lease liabilities; however, we have elected not to recognize ROU assets and lease liabilities on real estate leases with terms of one year or less. Lease liabilities and their corresponding ROU assets are recorded based on the present value of the future lease payments over the expected lease term. As the interest rate implicit in the lease contract is typically not readily determinable, we utilize our incremental borrowing rate, which is the rate we would incur to borrow on a collateralized basis over a similar term on an amount equal to the lease payments in a similar economic environment. The ROU asset also includes initial direct costs paid less lease incentives received from the lessor. Our lease contracts are generally classified as operating and, as a result, we recognize a single lease cost within other operating expenses on the income statement on a straight-line basis over the lease term. This update to our accounting policy resulted from our adoption of Accounting Standards Update (ASU) 2016-02 on January 1, 2019, as further described within the section below titled Recently Adopted Accounting Standards.

Investments

Premiums on debt securities that have noncontingent call features that are callable at fixed prices on preset dates are amortized to the earliest call date as an adjustment to investment yield. All other premiums and discounts on debt securities are amortized over the stated maturity of the security as an adjustment to investment yield. This method of amortization differs from that described in Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K, which describes our full accounting policy for Investments. This update to our amortization methodology resulted from the adoption of ASU 2017-08 on January 1, 2019, as further described within the section below titled Recently Adopted Accounting Standards.

Income Taxes

In calculating the provision for interim income taxes, in accordance with Accounting Standards Codification (ASC) 740, Income Taxes, we apply an estimated annual effective tax rate to year-to-date ordinary income. At the end of each interim period, we estimate the effective tax rate expected to be applicable for the full fiscal year. This method differs from that described in Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K, which describes our annual significant income tax accounting policy and related methodology.

Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K regarding additional significant accounting policies.

10

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Recently Adopted Accounting Standards

Leases (ASU 2016-02)

In February 2016, the Financial Accounting Standards Board (FASB) issued ASU 2016-02. The amendments in this update primarily replace the existing accounting requirements for operating leases for lessees. Lessee accounting requirements for finance leases (previously referred to as capital leases) and lessor accounting requirements for operating leases and sales type and direct financing leases are largely unchanged. The amendments require the lessee of an operating lease to record a balance sheet gross-up upon lease commencement by recognizing a ROU asset and lease liability equal to the present value of the lease payments. The ROU asset and lease liability should be derecognized in a manner that effectively yields a straight line lease expense over the lease term. In addition to the changes to the lessee operating lease accounting requirements, the amendments also change the types of costs that can be capitalized related to a lease agreement for both lessees and lessors. The amendments also require additional disclosures for all lease types for both lessees and lessors. The FASB issued additional ASUs to clarify the guidance and provide certain practical expedients and an additional transition option. We adopted ASU 2016-02 and the subsequent ASUs that modified ASU 2016-02 (collectively, the amendments) on January 1, 2019. This includes the early adoption of ASU 2019-01, which was issued in March 2019 to amend certain provisions included in ASU 2016-02.

We adopted this guidance using the modified retrospective approach on January 1, 2019, and have not adjusted prior period comparative information and will continue to disclose prior period financial information in accordance with the previous lease accounting guidance. We have elected certain practical expedients permitted within the amendments that allow us to not reassess (i) current lease classifications, (ii) whether existing contracts meet the definition of a lease under the amendments to the lease guidance, and (iii) whether current initial direct costs meet the new criteria for capitalization, for all existing leases as of the adoption date. We made an accounting policy election to calculate the impact of adoption using the remaining minimum lease payments and remaining lease term for each contract that was identified as a lease, discounted at our incremental borrowing rate as of the adoption date. The adoption of the amendments resulted in a ROU asset of approximately $161 million from operating leases for our various corporate facilities, a $29 million reduction to accrued expenses and other liabilities for accrued rent and unamortized tenant improvement allowances, and a lease liability of approximately $190 million. The adoption did not change our previously reported Condensed Consolidated Statements of Comprehensive Income and did not result in a cumulative catch-up adjustment to opening retained earnings.

Receivables—Nonrefundable Fees and Other Costs: Premium Amortization on Purchased Callable Debt Securities (ASU 2017-08)

In March 2017, the FASB issued ASU 2017-08. The amendments in this update require premiums on purchased callable debt securities to be amortized to the security’s earliest call date. Prior to this ASU, premiums and discounts on purchased callable debt securities were generally required to be amortized to the security’s maturity date. The amendments do not require an accounting change for securities held at a discount. We adopted the amendments on January 1, 2019, on a modified retrospective basis, which resulted in an increase to our accumulated deficit of $10 million, net of income taxes, partially offset by an $8 million decrease to accumulated other comprehensive loss, net of income taxes.

Recently Issued Accounting Standards

Financial Instruments—Credit Losses (ASU 2016-13)

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (CECL). The amendments in this update introduce a new accounting model to measure credit losses for financial assets measured at amortized cost. Credit losses for financial assets measured at amortized cost should be determined based on the total current expected credit losses over the life of the financial asset or group of financial assets. In effect, the financial asset or group of financial assets should be presented at the net amount expected to be collected. Credit losses will no longer be recorded under the current incurred loss model for financial assets measured at amortized cost. The amendments also modify the accounting for available-for-sale debt securities whereby credit losses will be recorded through an allowance for credit losses rather than a write-down to the security’s cost basis, which allows for reversals of credit losses when estimated credit losses decline. Credit losses for available-for-sale debt securities should be measured in a manner similar to current GAAP. The amendments are effective on January 1, 2020, with early adoption permitted as of January 1, 2019. The amendments must be applied using a modified retrospective approach with a cumulative-effect adjustment through retained earnings as of the beginning of the fiscal year upon adoption. We plan to adopt these amendments on January 1, 2020, and expect to utilize the modified retrospective approach as required.

The new accounting model for credit losses represents a significant departure from existing GAAP, and will materially increase the allowance for credit losses on our finance receivables and loans, with a resulting negative adjustment to retained earnings. We expect that our consumer automotive loan portfolio will generate the majority of this increase. The amount of the change in the allowance for credit losses will also be impacted by the composition of our portfolio at the adoption date, as well as economic conditions and forecasts at that time. Management created a cross-functional working group to govern the implementation of these amendments, including consideration of model development, data integrity, technology, reporting and disclosure requirements, key accounting interpretations, control environment, and corporate governance. We are in the process of refining and testing the models and procedures that will be used to calculate the credit loss reserves in accordance with these amendments. We performed a limited parallel run during the first quarter of 2019, and will continue to refine and enhance our estimation process with additional parallel testing throughout 2019. Additionally, we do not expect a material allowance for credit losses on our debt securities as a result of the standard based upon the current composition of our portfolio.

11

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

2.    Revenue from Contracts with Customers

Our primary revenue sources, which include financing revenue and other interest income, are addressed by other GAAP and are not in the scope of ASC 606, Revenue from Contracts with Customers. As part of our Insurance operations, we recognize revenue from insurance contracts, which are addressed by other GAAP and are not included in the scope of this standard. Certain noninsurance contracts within our Insurance operations, including vehicle service contracts (VSCs), guaranteed asset protection (GAP) contracts, and vehicle maintenance contracts (VMCs), are included in the scope of this standard. All revenue associated with noninsurance contracts is recognized over the contract term on a basis proportionate to the anticipated cost emergence. Further, commissions and sales expense incurred to obtain these contracts are amortized over the terms of the related policies and service contracts on the same basis as premiums and service revenue are earned, and all advertising costs are recognized as expense when incurred.

The following table presents a disaggregated view of our revenue from contracts with customers included in other revenue that falls within the scope of the revenue recognition principles of ASC 606, Revenue from Contracts with Customers. For further information regarding our revenue recognition policies and details about the nature of our respective revenue streams, refer to Note 1 and Note 3 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Three months ended March 31,  ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other		Consolidated
2019
Revenue from contracts with customers
Noninsurance contracts (a) (b) (c)	$	—	$	131	$	—	$	—	$	—	$	131
Remarketing fee income	18		—		—		—		—		18
Brokerage commissions and other revenue	—		—		—		—		17		17
Deposit account and other banking fees	—		—		—		—		5		5
Brokered/agent commissions	—		3		—		—		—		3
Other	5		—		—		—		—		5
Total revenue from contracts with customers	23		134		—		—		22		179
All other revenue	45		226		2		11		3		287
Total other revenue (d)	$	68	$	360	$	2	$	11	$	25	$	466
2018
Revenue from contracts with customers
Noninsurance contracts (a) (b) (c)	$	—	$	123	$	—	$	—	$	—	$	123
Remarketing fee income	23		—		—		—		—		23
Brokerage commissions and other revenue	—		—		—		—		16		16
Deposit account and other banking fees	—		—		—		—		3		3
Brokered/agent commissions	—		4		—		—		—		4
Other	2		1		—		—		—		3
Total revenue from contracts with customers	25		128		—		—		19		172
All other revenue	41		118		1		8		14		182
Total other revenue (d)	$	66	$	246	$	1	$	8	$	33	$	354

(a) We had $2.6 billion and $2.5 billion in unearned revenue associated with outstanding contracts at January 1, 2019, and January 1, 2018, respectively, and $199 million and $194 million of these balances were recognized as insurance premiums and service revenue earned in our Condensed Consolidated Statement of Comprehensive Income during the three months ended March 31, 2019, and March 31, 2018, respectively.

(b) At March 31, 2019, we had unearned revenue of $2.7 billion associated with outstanding contracts, and with respect to this balance we expect to recognize revenue of $554 million during the remainder of 2019, $672 million in 2020, $562 million in 2021, $424 million in 2022, and $477 million thereafter. At March 31, 2018, we had unearned revenue of $2.5 billion associated with outstanding contracts.

(c) We had opening and closing balances of deferred insurance assets of $1.5 billion and $1.6 billion at January 1, 2019, and March 31, 2019, respectively, and recognized $111 million of expense during the three months endedMarch 31, 2019. We had opening and closing balances of deferred insurance assets of $1.4 billion at both January 1, 2018, and March 31, 2018, and recognized $103 million of expense during the three months ended March 31, 2018.

(d) Represents a component of total net revenue. Refer to Note 21 for further information on our reportable operating segments.

In addition to the components of other revenue presented above, as part of our Automotive Finance operations, we recognized net remarketing gains of $15 million and $18 million for the three months endedMarch 31, 2019, and March 31, 2018, respectively, on the sale of off-lease vehicles. These gains are included in depreciation expense on operating lease assets in our Condensed Consolidated Statement of Comprehensive Income.

12

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

3.    Other Income, Net of Losses

Details of other income, net of losses, were as follows.

	Three months ended March 31,
($ in millions)	2019		2018
Late charges and other administrative fees	$	29	$	29
Remarketing fees	18		23
Servicing fees	6		8
Income from equity-method investments	4		6
Other, net	30		43
Total other income, net of losses	$	87	$	109

4.    Reserves for Insurance Losses and Loss Adjustment Expenses

The following table shows a rollforward of our reserves for insurance losses and loss adjustment expenses.

($ in millions)	2019			2018
Total gross reserves for insurance losses and loss adjustment expenses at January 1,	$	134		$	140
Less: Reinsurance recoverable	96			108
Net reserves for insurance losses and loss adjustment expenses at January 1,	38			32
Net insurance losses and loss adjustment expenses incurred related to:
Current year	59			60
Prior years (a)	—			3
Total net insurance losses and loss adjustment expenses incurred	59			63
Net insurance losses and loss adjustment expenses paid or payable related to:
Current year	(33		)	(31		)
Prior years	(23		)	(19		)
Total net insurance losses and loss adjustment expenses paid or payable	(56		)	(50		)
Net reserves for insurance losses and loss adjustment expenses at March 31,	41			45
Plus: Reinsurance recoverable	94			112
Total gross reserves for insurance losses and loss adjustment expenses at March 31,	$	135		$	157

(a) There have been no material adverse changes to the reserve for prior years.

13

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

5.    Other Operating Expenses

Details of other operating expenses were as follows.

	Three months ended March 31,
($ in millions)	2019		2018
Insurance commissions	$	114	$	110
Technology and communications	77		71
Advertising and marketing	48		39
Lease and loan administration	39		42
Professional services	29		32
Regulatory and licensing fees	28		30
Vehicle remarketing and repossession	27		32
Premises and equipment depreciation	22		20
Occupancy	13		11
Non-income taxes	9		8
Amortization of intangible assets	3		3
Other	44		47
Total other operating expenses	$	453	$	445

14

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

6.    Investment Securities

Our investment portfolio includes various debt and equity securities. Our debt securities, which are classified as available-for-sale and held-to-maturity, include government securities, corporate bonds, asset-backed securities, and mortgage-backed securities. The cost, fair value, and gross unrealized gains and losses on available-for-sale and held-to-maturity debt securities were as follows.

	March 31, 2019									December 31, 2018
	Amortized cost		Gross unrealized					Fair value		Amortized cost		Gross unrealized					Fair value
($ in millions)			gains		losses							gains		losses
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	1,990	$	1	$	(49	)	$	1,942	$	1,911	$	—	$	(60	)	$	1,851
U.S. States and political subdivisions	771		13		(3		)	781		816		3		(17		)	802
Foreign government	170		2		—			172		145		1		(1		)	145
Agency mortgage-backed residential	18,939		98		(193		)	18,844		17,486		47		(395		)	17,138
Agency mortgage-backed commercial	316		4		—			320		3		—		—			3
Mortgage-backed residential	2,912		7		(33		)	2,886		2,796		1		(111		)	2,686
Mortgage-backed commercial	725		—		(2		)	723		715		1		(2		)	714
Asset-backed	665		4		(1		)	668		723		2		(2		)	723
Corporate debt	1,301		7		(14		)	1,294		1,286		1		(46		)	1,241
Total available-for-sale securities (a) (b) (c)	$	27,789	$	136	$	(295	)	$	27,630	$	25,881	$	56	$	(634	)	$	25,303
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential (d)	$	2,351	$	15	$	(28	)	$	2,338	$	2,319	$	6	$	(61	)	$	2,264
Asset-backed retained notes	36		—		—			36		43		—		—			43
Total held-to-maturity securities	$	2,387	$	15	$	(28	)	$	2,374	$	2,362	$	6	$	(61	)	$	2,307

(a) Certain entities related to our Insurance operations are required to deposit securities with state regulatory authorities. These deposited securities totaled $12 million at both March 31, 2019, and December 31, 2018.

(b) Certain available-for-sale securities are included in fair value hedging relationships. Refer to Note 17 for additional information.

(c) Available-for-sale securities with a fair value of $4.1 billion and $9.2 billion at March 31, 2019, and December 31, 2018, respectively, were pledged to secure advances from the Federal Home Loan Bank (FHLB), short-term borrowings or repurchase agreements, or for other purposes as required by contractual obligation or law. Under these agreements, we have granted the counterparty the right to sell or pledge $985 million and $821 million of the underlying investment securities at March 31, 2019, and December 31, 2018, respectively.

(d) Held-to-maturity securities with a fair value of $1.3 billion and $1.2 billion at March 31, 2019, and December 31, 2018, respectively, were pledged to secure advances from the FHLB.

15

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The maturity distribution of debt securities outstanding is summarized in the following tables. Call or prepayment options may cause actual maturities to differ from contractual maturities.

	Total				Due in one year or less				Due after one year through five years				Due after five years through ten years				Due after ten years
($ in millions)	Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield
March 31, 2019
Fair value of available-for-sale securities (a)
U.S. Treasury and federal agencies	$	1,942	1.7	%	$	28	1.7	%	$	1,341	1.6	%	$	573	1.9	%	$	—	—	%
U.S. States and political subdivisions	781		3.2		52		2.7		43		2.5		212		2.7		474		3.5
Foreign government	172		2.3		41		2.1		55		2.3		73		2.4		3		2.7
Agency mortgage-backed residential	18,844		3.4		—		—		—		—		52		1.9		18,792		3.4
Agency mortgage-backed commercial	320		3.2		—		—		3		3.1		83		3.3		234		3.2
Mortgage-backed residential	2,886		3.3		—		—		—		—		—		—		2,886		3.3
Mortgage-backed commercial	723		3.8		—		—		—		—		36		4.0		687		3.8
Asset-backed	668		3.5		—		—		390		3.4		165		4.0		113		3.3
Corporate debt	1,294		3.2		152		3.1		512		2.9		606		3.4		24		5.9
Total available-for-sale securities	$	27,630	3.3		$	273	2.7		$	2,344	2.2		$	1,800	2.8		$	23,213	3.4
Amortized cost of available-for-sale securities	$	27,789			$	273			$	2,376			$	1,814			$	23,326
Amortized cost of held-to-maturity securities
Agency mortgage-backed residential	$	2,351	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	2,351	3.2	%
Asset-backed retained notes	36		2.1		—		—		36		2.1		—		—		—		—
Total held-to-maturity securities	$	2,387	3.2		$	—	—		$	36	2.1		$	—	—		$	2,351	3.2
December 31, 2018
Fair value of available-for-sale securities (a)
U.S. Treasury and federal agencies	$	1,851	1.9	%	$	12	1.0	%	$	1,277	1.8	%	$	562	2.0	%	$	—	—	%
U.S. States and political subdivisions	802		3.0		49		1.9		43		2.3		252		2.6		458		3.4
Foreign government	145		2.4		18		3.1		60		2.3		67		2.4		—		—
Agency mortgage-backed residential	17,138		3.3		—		—		—		—		54		1.9		17,084		3.3
Agency mortgage-backed commercial	3		3.1		—		—		3		3.1		—		—		—		—
Mortgage-backed residential	2,686		3.3		—		—		—		—		—		—		2,686		3.3
Mortgage-backed commercial	714		3.8		—		—		—		—		46		3.9		668		3.8
Asset-backed	723		3.5		—		—		478		3.4		121		4.0		124		3.3
Corporate debt	1,241		3.1		144		2.8		496		2.9		581		3.3		20		5.5
Total available-for-sale securities	$	25,303	3.2		$	223	2.6		$	2,357	2.4		$	1,683	2.8		$	21,040	3.3
Amortized cost of available-for-sale securities	$	25,881			$	224			$	2,405			$	1,743			$	21,509
Amortized cost of held-to-maturity securities
Agency mortgage-backed residential	$	2,319	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	2,319	3.2	%
Asset-backed retained notes	43		2.0		—		—		42		2.0		1		3.3		—		—
Total held-to-maturity securities	$	2,362	3.2		$	—	—		$	42	2.0		$	1	3.3		$	2,319	3.2

(a) Yield is calculated using the effective yield of each security at the end of the period, weighted based on the market value. The effective yield considers the contractual coupon and amortized cost, and excludes expected capital gains and losses.

The balances of cash equivalents were $56 million and $35 million at March 31, 2019, and December 31, 2018, respectively, and were composed primarily of money-market accounts and short-term securities, including U.S. Treasury bills.

16

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents interest and dividends on investment securities.

	Three months ended March 31,
($ in millions)	2019		2018
Taxable interest	$	214	$	154
Taxable dividends	3		3
Interest and dividends exempt from U.S. federal income tax	5		6
Interest and dividends on investment securities	$	222	$	163

The following table presents gross gains and losses realized upon the sales of available-for-sale securities, and net gains or losses on equity securities held during the period. There were no other-than-temporary impairments of available-for-sale securities for the periods presented.

	Three months ended March 31,
($ in millions)	2019			2018
Available-for-sale securities
Gross realized gains	$	10		$	6
Gross realized losses (a)	(1		)	—
Net realized gains on available-for-sale securities	9			6
Net realized gain on equity securities	29			22
Net unrealized gain (loss) on equity securities	70			(40		)
Other gain (loss) on investments, net	$	108		$	(12	)

(a) Certain available-for-sale securities were sold at a loss during the three months endedMarch 31, 2019, as a result of market conditions within these periods (e.g., a downgrade in the rating of a debt security) or based on corporate actions outside of our control (such as a call by the issuer). Any such sales were made in accordance with our risk-management policies and practices.

17

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The table below summarizes available-for-sale and held-to-maturity securities in an unrealized loss position, which we evaluated for other than temporary impairment. For additional information on our methodology, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K. As of March 31, 2019, we did not have the intent to sell the available-for-sale or held-to-maturity securities with an unrealized loss position and we do not believe it is more likely than not that we will be required to sell these securities before recovery of their amortized cost basis. As a result of this evaluation, we believe that the securities with an unrealized loss position are not considered to be other-than-temporarily impaired at March 31, 2019.

	March 31, 2019										December 31, 2018
	Less than 12 months					12 months or longer					Less than 12 months					12 months or longer
($ in millions)	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	42	$	—		$	1,749	$	(49	)	$	31	$	—		$	1,758	$	(60	)
U.S. States and political subdivisions	23		—			189		(3		)	259		(3		)	317		(14		)
Foreign government	4		—			22		—			6		—			74		(1		)
Agency mortgage-backed residential	510		(1		)	11,145		(192		)	5,537		(94		)	7,808		(301		)
Agency mortgage-backed commercial	30		—			—		—			—		—			—		—
Mortgage-backed residential	131		—			1,676		(33		)	1,024		(20		)	1,360		(91		)
Mortgage-backed commercial	517		(2		)	41		—			347		(1		)	36		(1		)
Asset-backed	6		—			214		(1		)	294		(1		)	124		(1		)
Corporate debt	105		—			764		(14		)	576		(19		)	569		(27		)
Total temporarily impaired available-for-sale securities	$	1,368	$	(3	)	$	15,800	$	(292	)	$	8,074	$	(138	)	$	12,046	$	(496	)
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential	$	86	$	—		$	1,376	$	(28	)	$	457	$	(6	)	$	1,376	$	(55	)
Asset-backed retained notes	—		—			16		—			16		—			19		—
Total held-to-maturity debt securities	$	86	$	—		$	1,392	$	(28	)	$	473	$	(6	)	$	1,395	$	(55	)

18

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

7.    Finance Receivables and Loans, Net

The composition of finance receivables and loans reported at gross carrying value was as follows.

($ in millions)	March 31, 2019		December 31, 2018
Consumer automotive (a)	$	71,553	$	70,539
Consumer mortgage
Mortgage Finance (b)	16,225		15,155
Mortgage — Legacy (c)	1,433		1,546
Total consumer mortgage	17,658		16,701
Total consumer	89,211		87,240
Commercial
Commercial and industrial
Automotive	31,559		33,672
Other	4,516		4,205
Commercial real estate	4,769		4,809
Total commercial	40,844		42,686
Total finance receivables and loans (d)	$	130,055	$	129,926

(a) Certain finance receivables and loans are included in fair value hedging relationships. Refer to Note 17 for additional information.

(b) Includes loans originated as interest-only mortgage loans of $17 million and $18 million at March 31, 2019, and December 31, 2018, respectively, 33% of which are expected to start principal amortization in 2019, and 40% in 2020. The remainder of these loans have exited the interest-only period.

(c) Includes loans originated as interest-only mortgage loans of $305 million and $341 million at March 31, 2019, and December 31, 2018, respectively, of which 99% have exited the interest-only period.

(d) Totals include net unearned income, unamortized premiums and discounts, and deferred fees and costs of $584 million and $587 million at March 31, 2019, and December 31, 2018, respectively.

19

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2019($ in millions)	Consumer automotive			Consumer mortgage			Commercial			Total
Allowance at January 1, 2019	$	1,048		$	53		$	141		$	1,242
Charge-offs (a)	(352		)	(3		)	(5		)	(360		)
Recoveries	118			5			—			123
Net charge-offs	(234		)	2			(5		)	(237		)
Provision for loan losses	257			(3		)	28			282
Other (b)	(1		)	—			2			1
Allowance at March 31, 2019	$	1,070		$	52		$	166		$	1,288
Allowance for loan losses at March 31, 2019
Individually evaluated for impairment	$	46		$	22		$	58		$	126
Collectively evaluated for impairment	1,024			30			108			1,162
Finance receivables and loans at gross carrying value
Ending balance	$	71,553		$	17,658		$	40,844		$	130,055
Individually evaluated for impairment	501			227			269			997
Collectively evaluated for impairment	71,052			17,431			40,575			129,058

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

(b) Primarily related to the transfer of finance receivables and loans from held-for-sale to held-for-investment.

Three months ended March 31, 2018 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial		Total
Allowance at January 1, 2018	$	1,066		$	79		$	131	$	1,276
Charge-offs (a)	(365		)	(12		)	—		(377		)
Recoveries	112			6			—		118
Net charge-offs	(253		)	(6		)	—		(259		)
Provision for loan losses	253			1			7		261
Allowance at March 31, 2018	$	1,066		$	74		$	138	$	1,278
Allowance for loan losses at March 31, 2018
Individually evaluated for impairment	$	40		$	27		$	21	$	88
Collectively evaluated for impairment	1,026			47			117		1,190
Finance receivables and loans at gross carrying value
Ending balance	$	69,318		$	14,683		$	41,326	$	125,327
Individually evaluated for impairment	463			230			147		840
Collectively evaluated for impairment	68,855			14,453			41,179		124,487

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

The following table presents information about significant sales of finance receivables and loans and transfers of finance receivables and loans from held-for-investment to held-for-sale based on net carrying value.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	20	$	—
Consumer mortgage	—		1
Total sales and transfers (a)	$	20	$	1

(a) During the three months ended March 31, 2019, we also sold $128 million of finance receivables that were classified as held-for-sale and transferred $63 million of finance receivables from held-for-sale to held-for-investment as of March 31, 2019, both relating to equipment finance receivables from our commercial automotive business.

20

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents information about significant purchases of finance receivables and loans based on unpaid principal balance at the time of purchase.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	99	$	168
Consumer mortgage	1,235		1,295
Total purchases of finance receivables and loans	$	1,334	$	1,463

The following table presents an analysis of our past-due finance receivables and loans recorded at gross carrying value.

($ in millions)	30–59 days past due		60–89 days past due		90 days or more past due		Total past due		Current		Total finance receivables and loans
March 31, 2019
Consumer automotive	$	1,575	$	379	$	260	$	2,214	$	69,339	$	71,553
Consumer mortgage
Mortgage Finance	52		8		9		69		16,156		16,225
Mortgage — Legacy	31		11		36		78		1,355		1,433
Total consumer mortgage	83		19		45		147		17,511		17,658
Total consumer	1,658		398		305		2,361		86,850		89,211
Commercial
Commercial and industrial
Automotive	1		8		78		87		31,472		31,559
Other	—		—		2		2		4,514		4,516
Commercial real estate	—		—		2		2		4,767		4,769
Total commercial	1		8		82		91		40,753		40,844
Total consumer and commercial	$	1,659	$	406	$	387	$	2,452	$	127,603	$	130,055
December 31, 2018
Consumer automotive	$	2,107	$	537	$	296	$	2,940	$	67,599	$	70,539
Consumer mortgage
Mortgage Finance	67		5		4		76		15,079		15,155
Mortgage — Legacy	30		10		42		82		1,464		1,546
Total consumer mortgage	97		15		46		158		16,543		16,701
Total consumer	2,204		552		342		3,098		84,142		87,240
Commercial
Commercial and industrial
Automotive	—		1		31		32		33,640		33,672
Other	—		4		16		20		4,185		4,205
Commercial real estate	—		—		1		1		4,808		4,809
Total commercial	—		5		48		53		42,633		42,686
Total consumer and commercial	$	2,204	$	557	$	390	$	3,151	$	126,775	$	129,926

21

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents the gross carrying value of our finance receivables and loans on nonaccrual status.

($ in millions)	March 31, 2019		December 31, 2018
Consumer automotive	$	643	$	664
Consumer mortgage
Mortgage Finance	13		9
Mortgage — Legacy	62		70
Total consumer mortgage	75		79
Total consumer	718		743
Commercial
Commercial and industrial
Automotive	138		203
Other	125		142
Commercial real estate	6		4
Total commercial	269		349
Total consumer and commercial finance receivables and loans	$	987	$	1,092

Management performs a quarterly analysis of the consumer automotive, consumer mortgage, and commercial portfolios using a range of credit quality indicators to assess the adequacy of the allowance for loan losses based on historical and current trends. The following tables present the population of loans by quality indicators for our consumer automotive, consumer mortgage, and commercial portfolios.

The following table presents performing and nonperforming credit quality indicators in accordance with our internal accounting policies for our consumer finance receivables and loans recorded at gross carrying value. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or more, or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information.

	March 31, 2019						December 31, 2018
($ in millions)	Performing		Nonperforming		Total		Performing		Nonperforming		Total
Consumer automotive	$	70,910	$	643	$	71,553	$	69,875	$	664	$	70,539
Consumer mortgage
Mortgage Finance	16,212		13		16,225		15,146		9		15,155
Mortgage — Legacy	1,371		62		1,433		1,476		70		1,546
Total consumer mortgage	17,583		75		17,658		16,622		79		16,701
Total consumer	$	88,493	$	718	$	89,211	$	86,497	$	743	$	87,240

The following table presents pass and criticized credit quality indicators based on regulatory definitions for our commercial finance receivables and loans recorded at gross carrying value.

	March 31, 2019						December 31, 2018
($ in millions)	Pass		Criticized (a)		Total		Pass		Criticized (a)		Total
Commercial and industrial
Automotive	$	28,774	$	2,785	$	31,559	$	30,799	$	2,873	$	33,672
Other	3,711		805		4,516		3,373		832		4,205
Commercial real estate	4,526		243		4,769		4,538		271		4,809
Total commercial	$	37,011	$	3,833	$	40,844	$	38,710	$	3,976	$	42,686

(a) Includes loans classified as special mention, substandard, or doubtful. These classifications are based on regulatory definitions and generally represent loans within our portfolio that have a higher default risk or have already defaulted.

Impaired Loans and Troubled Debt Restructurings

Impaired Loans

Loans are considered impaired when we determine it is probable that we will be unable to collect all amounts due according to the terms of the loan agreement. For more information on our impaired finance receivables and loans, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

22

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents information about our impaired finance receivables and loans.

($ in millions)	Unpaid principal balance (a)		Gross carrying value		Impaired with no allowance		Impaired with an allowance		Allowance for impaired loans
March 31, 2019
Consumer automotive	$	509	$	501	$	99	$	402	$	46
Consumer mortgage
Mortgage Finance	15		15		6		9		1
Mortgage — Legacy	216		212		65		147		21
Total consumer mortgage	231		227		71		156		22
Total consumer	740		728		170		558		68
Commercial
Commercial and industrial
Automotive	138		138		41		97		18
Other	144		125		56		69		40
Commercial real estate	6		6		3		3		—
Total commercial	288		269		100		169		58
Total consumer and commercial finance receivables and loans	$	1,028	$	997	$	270	$	727	$	126
December 31, 2018
Consumer automotive	$	503	$	495	$	105	$	390	$	44
Consumer mortgage
Mortgage Finance	15		15		6		9		1
Mortgage — Legacy	221		216		65		151		22
Total consumer mortgage	236		231		71		160		23
Total consumer	739		726		176		550		67
Commercial
Commercial and industrial
Automotive	203		203		112		91		10
Other	159		142		40		102		46
Commercial real estate	4		4		4		—		—
Total commercial	366		349		156		193		56
Total consumer and commercial finance receivables and loans	$	1,105	$	1,075	$	332	$	743	$	123

(a) Adjusted for charge-offs.

23

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents average balance and interest income for our impaired finance receivables and loans.

	2019				2018
Three months ended March 31, ($ in millions)	Average balance		Interest income		Average balance		Interest income
Consumer automotive	$	499	$	8	$	444	$	7
Consumer mortgage
Mortgage Finance	15		—		9		—
Mortgage — Legacy	214		3		221		2
Total consumer mortgage	229		3		230		2
Total consumer	728		11		674		9
Commercial
Commercial and industrial
Automotive	170		1		47		1
Other	130		—		52		—
Commercial real estate	5		—		3		—
Total commercial	305		1		102		1
Total consumer and commercial finance receivables and loans	$	1,033	$	12	$	776	$	10

Troubled Debt Restructurings

Troubled Debt Restructurings (TDRs) are loan modifications where concessions were granted to borrowers experiencing financial difficulties. For consumer automotive loans, we may offer several types of assistance to aid our customers, including payment extensions and rewrites of the loan terms. Additionally, for mortgage loans, as part of certain programs, we offer mortgage loan modifications to qualified borrowers. These programs are in place to provide support to our mortgage customers in financial distress, including principal forgiveness, maturity extensions, delinquent interest capitalization, and changes to contractual interest rates. Total TDRs recorded at gross carrying value were $837 million and $812 million at March 31, 2019, and December 31, 2018, respectively.

Total commitments to lend additional funds to borrowers whose terms had been modified in a TDR were $13 million and $4 million at March 31, 2019, and December 31, 2018, respectively. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information.

The following table presents information related to finance receivables and loans recorded at gross carrying value modified in connection with a TDR during the period.

	2019					2018
Three months ended March 31, ($ in millions)	Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value		Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value
Consumer automotive	7,427	$	129	$	111	7,042	$	128	$	110
Consumer mortgage
Mortgage Finance	1	—		—		1	1		1
Mortgage — Legacy	20	3		3		62	10		9
Total consumer mortgage	21	3		3		63	11		10
Total consumer finance receivables and loans	7,448	132		114		7,105	139		120
Commercial
Commercial and Industrial
Automotive	6	41		41		—	—		—
Total commercial	6	41		41		—	—		—
Total consumer and commercial finance receivables and loans	7,454	$	173	$	155	7,105	$	139	$	120

24

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents information about finance receivables and loans recorded at gross carrying value that have redefaulted during the reporting period and were within twelve months or less of being modified as a TDR. Redefault is when finance receivables and loans meet the requirements for evaluation under our charge-off policy (refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information) except for commercial finance receivables and loans, where redefault is defined as 90 days past due.

	2019					2018
Three months ended March 31, ($ in millions)	Number of loans	Gross carrying value		Charge-off amount		Number of loans	Gross carrying value		Charge-off amount
Consumer automotive	2,209	$	26	$	16	2,326	$	28	$	18
Total consumer finance receivables and loans	2,209	$	26	$	16	2,326	$	28	$	18

8.    Leasing

On January 1, 2019, we adopted the amendments to the lease accounting principles. Refer to the section titled Recently Adopted Accounting Standards in Note 1 for additional information.

Ally as the Lessee

We have operating leases for our corporate facilities, which have remaining lease terms of 6 months to 13 years. Most of the property leases have fixed payment terms with annual fixed-escalation clauses and include options to extend the leases for periods that range from 1 to 15 years. Some of those lease agreements also include options to terminate the leases in periods that range from 2 to 5 years after the commencement of the leases. We have not included any of these term extensions or termination provisions in our estimates of the lease term, as we do not consider it reasonably certain that the options will be exercised. Our property-lease agreements contain a lease component, which includes the right to use the real estate, and non-lease components, which include utilities and common area maintenance services. Lease components are accounted for under the ASC Topic on Leases, while non-lease components are accounted for under other GAAP Topics. We elected the practical expedient to account for the lease and non-lease components for property leases as a single lease component. Additional variable-rent payments made during the lease term are not based on a rate or index and are excluded from the calculations of ROU assets and lease liabilities and recognized as a component of variable lease expense as incurred.

We also have operating leases for a fleet of vehicles that is used by our sales force for business purposes, with noncancellable lease terms of 367 days. Thereafter, the leases are month-to-month, up to a maximum of 48 months from inception. In addition to lease costs related to the vehicles, the lease contracts include non-lease components such as maintenance, fuel, and administrative services. We elected to account for the lease and non-lease components separately. As a result, the non-lease components are excluded from the calculation of the ROU asset and lease liability and are recognized as other operating expenses as incurred.

The following table details our total investment in operating leases.

($ in millions)	March 31, 2019		January 1, 2019 (a)
Assets
Operating lease right-of-use assets (b)	$	177	$	161
Liabilities
Operating lease liabilities (c)	$	206	$	190

(a) Date of adoption.

(b) Included in other assets on our Condensed Consolidated Balance Sheet.

(c) Included in accrued expenses and other liabilities on our Condensed Consolidated Balance Sheet.

During the three months endedMarch 31, 2019, we paid $12 million in cash for amounts included in the measurement of lease liabilities at March 31, 2019. This amount is included in net cash provided by operating activities in the Condensed Consolidated Statement of Cash Flows. During the three months endedMarch 31, 2019, we obtained $27 million of ROU assets in exchange for new operating lease liabilities. As of March 31, 2019, the weighted-average remaining lease term of our operating lease portfolio was 7 years, and the weighted-average discount rate was 2.98%.

25

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents future minimum rental payments we are required to make under operating leases that have commenced as of March 31, 2019, and that have noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	36
2020	46
2021	36
2022	24
2023	16
2024 and thereafter	71
Total undiscounted cash flows	229
Difference between undiscounted cash flows and discounted cash flows	(23		)
Total lease liability	$	206

In addition to the above, we entered into a forward-starting lease agreement in September 2017, for a new corporate facility in Charlotte, North Carolina, where we plan to consolidate several existing facilities into that location. The lessor and their agents are currently constructing the facilities at this location, with the lease scheduled to commence in April 2021 after construction is completed. The lease agreement will have a total of $290 million in undiscounted future lease payments over the 15 year term of the lease.

Future minimum rental payments required under operating leases as of December 31, 2018, prior to the date of adoption and as defined by the previous lease accounting guidance, with noncancellable lease terms expiring after December 31, 2018, were as follows.

Year ended December 31, ($ in millions)
2019	$	48
2020	47
2021	46
2022	37
2023	31
2024 and thereafter	294
Total minimum payments required	$	503

The following table details the components of total net operating lease expense.

	Three months ended March 31,
($ in millions)	2019		2018
Operating lease expense	$	11	$	10
Variable lease expense	2		2
Total lease expense, net (a)	$	13	$	12

(a) Included in other operating expenses in our Condensed Consolidated Statement of Comprehensive Income.

Ally as the Lessor

Investment in Operating Leases

We purchase consumer operating lease contracts and the associated vehicles from dealerships after those contracts are executed by the dealers and the consumers. The amount we pay a dealer for an operating lease contract is based on the negotiated price for the vehicle less vehicle trade-in, down payment from the consumer, and available automotive manufacturer incentives. Under the operating lease, the consumer is obligated to make payments in amounts equal to the amount by which the negotiated purchase price of the vehicle (less any trade-in value, down payment, or available manufacturer incentives) exceeds the contract residual value (including residual support) of the vehicle at lease termination, plus operating lease rental charges. The customer can terminate the lease at any point after commencement, subject to additional charges and fees. Both the consumer and the dealership have the option to purchase the vehicle at the end of the lease term, which can range from 24 to 60 months, at the residual value of the vehicle, however it is not reasonably certain this option will be exercised and as such our consumer leases are classified as operating leases. We have made an accounting policy election to exclude the sales taxes we collect from consideration in the lease contract and from variable lease payments not included in contract consideration. In addition to the charges described above, the consumer is generally responsible for certain charges related to excess mileage or excessive wear and tear on the vehicle. These charges are deemed variable lease payments and, as these payments are not based on a rate or index, they are recognized as net depreciation expense on operating lease assets in our Condensed Consolidated Statement of Comprehensive Income as incurred.

26

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

When we acquire a consumer operating lease, we assume ownership of the vehicle from the dealer. We require that property damage, bodily injury, collision, and comprehensive insurance be obtained by the lessee on all consumer operating leases. Neither the consumer nor the dealer is responsible for the value of the vehicle at the time of lease termination. When vehicles are not purchased by customers or the receiving dealer at scheduled lease termination, the vehicle is returned to us for remarketing. We generally bear the risk of loss to the extent the value of a leased vehicle upon remarketing is below the expected residual value. At contract inception, we determine pricing based on the projected residual value of the leased vehicle. This evaluation is primarily based on a proprietary model, which includes variables such as age, expected mileage, seasonality, segment factors, vehicle type, economic indicators, production cycle, automotive manufacturer incentives, and shifts in used-vehicle supply. This internally-generated data is compared against third-party, independent data for reasonableness. Periodically, we revise the projected value of the leased vehicle at termination based on current market conditions and adjust depreciation expense if necessary over the remaining life of the contract. At termination, our actual sales proceeds from remarketing the vehicle may be higher or lower than the estimated residual value resulting in a gain or loss on remarketing, which is included in net depreciation expense on operating lease assets in our Condensed Consolidated Statement of Comprehensive Income. Excessive mileage or excessive wear and tear on the vehicle during the lease may impact the sales proceeds received upon remarketing. As of March 31, 2019, consumer operating leases with a carrying value, net of accumulated depreciation, of $394 million were covered by a residual value guarantee of 15% of the manufacturer’s suggested retail price.

The following table details our investment in operating leases.

($ in millions)	March 31, 2019			December 31, 2018
Vehicles	$	9,903		$	9,995
Accumulated depreciation	(1,564		)	(1,578		)
Investment in operating leases, net	$	8,339		$	8,417

The following table presents future minimum rental payments we have the right to receive under operating leases with noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	1,024
2020	933
2021	402
2022	57
2023	5
2024 and thereafter	—
Total lease payments from operating leases	$	2,421

We recognized $361 million and $382 million in operating lease revenue for the three months endedMarch 31, 2019, and March 31, 2018, respectively. Depreciation expense on operating lease assets includes remarketing gains and losses recognized on the sale of operating lease assets. The following table summarizes the components of depreciation expense on operating lease assets.

	Three months ended March 31,
($ in millions)	2019			2018
Depreciation expense on operating lease assets (excluding remarketing gains)	$	261		$	291
Remarketing gains, net	(15		)	(18		)
Net depreciation expense on operating lease assets	$	246		$	273

27

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Finance Leases

Our total gross investment in finance leases, which is included in finance receivables and loans, net, on our Condensed Consolidated Balance Sheet was $481 million and $439 million as of March 31, 2019, and December 31, 2018, respectively. This includes lease payment receivables of $465 million and $425 million and unguaranteed residual assets of $16 million and $14 million, respectively, as of March 31, 2019, and December 31, 2018. Interest income on finance lease receivables was $6 million for both the three months endedMarch 31, 2019, and March 31, 2018, and is included in interest and fees on finance receivables and loans in our Condensed Consolidated Statement of Comprehensive Income.

The following table presents future minimum rental payments we have the right to receive under finance leases with noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	110
2020	139
2021	134
2022	67
2023	38
2024 and thereafter	29
Total undiscounted cash flows	517
Difference between undiscounted cash flows and discounted cash flows	(52		)
Present value of lease payments recorded as lease receivable	$	465

9.    Securitizations and Variable Interest Entities

We securitize, transfer, and service consumer and commercial automotive loans, and operating leases. We often securitize these loans and notes secured by operating leases (collectively referred to as financial assets) using special purpose entities (SPEs). An SPE is a legal entity that is designed to fulfill a specified limited need of the sponsor. Our principal use of SPEs is to obtain liquidity by securitizing certain of our financial assets. SPEs are often variable interest entities (VIEs) and may or may not be included on our Condensed Consolidated Balance Sheet.

VIEs are legal entities that either have an insufficient amount of equity at risk for the entity to finance its activities without additional subordinated financial support or, as a group, the holders of the equity investment at risk lack the ability to control the entity’s activities that most significantly impact economic performance through voting or similar rights, or do not have the obligation to absorb the expected losses or the right to receive expected residual returns of the entity.

The VIEs included on the Condensed Consolidated Balance Sheet represent SPEs where we are deemed to be the primary beneficiary, primarily due to our servicing activities and our beneficial interests in the VIE that could be potentially significant.

The nature, purpose, and activities of nonconsolidated SPEs are similar to those of our consolidated SPEs with the primary difference being the nature and extent of our continuing involvement. For nonconsolidated SPEs, the transferred financial assets are removed from our balance sheet provided the conditions for sale accounting are met. The financial assets obtained from the securitization are primarily reported as cash or retained interests (if applicable). Liabilities incurred as part of these securitizations, are recorded at fair value at the time of sale and are reported as accrued expenses and other liabilities on our Condensed Consolidated Balance Sheet. Upon the sale of the loans, we recognize a gain or loss on sale for the difference between the assets recognized, the assets derecognized, and the liabilities recognized as part of the transaction. With respect to our ongoing right to service the assets we sell, the servicing fee we receive represents adequate compensation, and consequently, we do not recognize a servicing asset or liability.

There were no sales of financial assets into nonconsolidated VIEs for both the three months endedMarch 31, 2019, and March 31, 2018.

We provide long-term guarantee contracts to investors in certain nonconsolidated affordable housing entities and have extended a line of credit to provide liquidity. Since we do not have control over the entities or the power to make decisions, we do not consolidate the entities and our involvement is limited to the guarantee and the line of credit.

We are involved with various other nonconsolidated equity investments, including affordable housing entities and venture capital funds and loan funds. We do not consolidate these entities and our involvement is limited to our outstanding investment, additional capital committed to these funds plus any previously recognized low income housing tax credits that are subject to recapture.

Refer to Note 1 and Note 11 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for further description of our securitization activities and our involvement with VIEs.

28

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents our involvement in consolidated and nonconsolidated VIEs in which we hold variable interests. For additional detail related to the assets and liabilities of consolidated variable interest entities refer to the Condensed Consolidated Balance Sheet.

($ in millions)	Carrying value of total assets			Carrying value of total liabilities			Assets sold to nonconsolidated VIEs (a)		Maximum exposure to loss in nonconsolidated VIEs
March 31, 2019
On-balance sheet variable interest entities
Consumer automotive	$	16,226	(b)	$	6,480	(c)
Commercial automotive	9,620			3,297
Off-balance sheet variable interest entities
Consumer automotive	38		(d)	—			$	957	$	995	(e)
Commercial other	867		(f)	343		(g)	—		1,115		(h)
Total	$	26,751		$	10,120		$	957	$	2,110
December 31, 2018
On-balance sheet variable interest entities
Consumer automotive	$	16,255	(b)	$	6,573	(c)
Commercial automotive	11,089			3,946
Off-balance sheet variable interest entities
Consumer automotive	45		(d)	—			$	1,235	$	1,280	(e)
Commercial other	806		(f)	326		(g)	—		1,054		(h)
Total	$	28,195		$	10,845		$	1,235	$	2,334

(a) Asset values represent the current unpaid principal balance of outstanding consumer finance receivables and loans within the VIEs.

(b) Includes $8.4 billion of assets that were not encumbered by VIE beneficial interests held by third parties at both March 31, 2019, and December 31, 2018. Ally or consolidated affiliates hold the interests in these assets.

(c) Includes $24 million and $25 million of liabilities that were not obligations to third-party beneficial interest holders at March 31, 2019, and December 31, 2018, respectively.

(d) Represents retained notes and certificated residual interests, of which $36 million and $43 million were classified as held-to-maturity securities at March 31, 2019, and December 31, 2018, respectively, and $2 million were classified as other assets at both March 31, 2019, and December 31, 2018. These assets represent our five percent interest in the credit risk of the assets underlying asset-backed securitizations.

(e) Maximum exposure to loss represents the current unpaid principal balance of outstanding loans, retained notes, certificated residual interests, as well as certain noncertificated interests retained from the sale of automotive finance receivables. This measure is based on the very unlikely event that all of our sold loans have defects that would trigger a representation and warranty provision and the underlying collateral supporting the loans becomes worthless. This required disclosure is not an indication of our expected loss.

(f) Amounts are classified as other assets.

(g) Amounts are classified as accrued expenses and other liabilities.

(h) For certain nonconsolidated affordable housing entities, maximum exposure to loss represents the yield we guaranteed investors through long-term guarantee contracts. The amount disclosed is based on the unlikely event that the underlying properties cease generating yield to investors and the yield delivered to investors in the form of low income tax housing credits is recaptured. For nonconsolidated equity investments, maximum exposure to loss represents our outstanding investment, additional committed capital, and low income housing tax credits subject to recapture. The amount disclosed is based on the unlikely event that our committed capital is funded, our investments become worthless, and the tax credits previously delivered to us are recaptured. This required disclosure is not an indication of our expected loss.

29

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Cash Flows with Off-balance Sheet Securitization Entities

The following table summarizes cash flows received and paid related to SPEs and asset-backed financings where the transfer is accounted for as a sale and we have a continuing involvement with the transferred consumer automotive assets (e.g., servicing) that were outstanding during the three months endedMarch 31, 2019, and 2018. Additionally, this table contains information regarding cash flows received from and paid to nonconsolidated SPEs that existed during each period.

Three months ended March 31, ($ in millions)	Consumer automotive
2019
Cash flows received on retained interests in securitization entities	$	7
Servicing fees	3
Cash disbursements for repurchases during the period	(1		)
2018
Cash flows received on retained interests in securitization entities	$	5
Servicing fees	5
Cash disbursements for repurchases during the period	(1		)

Delinquencies and Net Credit Losses

The following tables present quantitative information about delinquencies and net credit losses for off-balance sheet securitizations and whole-loan sales where we have continuing involvement.

	Total amount				Amount 60 days or more past due
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Off-balance sheet securitization entities
Consumer automotive	$	957	$	1,235	$	8	$	13
Whole-loan sales (a)
Consumer automotive	503		634		2		3
Total	$	1,460	$	1,869	$	10	$	16

(a) Whole-loan sales are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

	Net credit losses
	Three months ended March 31,
($ in millions)	2019		2018
Off-balance sheet securitization entities
Consumer automotive	$	2	$	3
Whole-loan sales (a)
Consumer automotive	—		1
Total	$	2	$	4

(a) Whole-loan sales are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

30

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

10.    Other Assets

The components of other assets were as follows.

($ in millions)	March 31, 2019			December 31, 2018
Property and equipment at cost	$	1,286		$	1,250
Accumulated depreciation	(708		)	(686		)
Net property and equipment	578			564
Nonmarketable equity investments (a)	1,240			1,410
Restricted cash held for securitization trusts (b)	838			965
Investment in qualified affordable housing projects (c)	687			649
Accrued interest, fees, and rent receivables	624			599
Equity-method investments (d)	289			262
Other accounts receivable	269			203
Goodwill (e)	240			240
Net deferred tax assets	137			317
Restricted cash and cash equivalents (f)	109			124
Fair value of derivative contracts in receivable position (g)	22			41
Cash collateral placed with counterparties	20			26
Other assets	940			753
Total other assets	$	5,993		$	6,153

(a) Includes investments in FHLB stock of $732 million and $903 million at March 31, 2019, and December 31, 2018, respectively; Federal Reserve Bank (FRB) stock of $448 million at both March 31, 2019, and December 31, 2018; and equity securities without a readily determinable fair value of $60 million and $59 million at March 31, 2019, and December 31, 2018, respectively, measured at cost with adjustments for impairment and observable changes in price. Through March 31, 2019, we recorded $3 million of cumulative impairments and downward adjustments related to equity securities without a readily determinable fair value.

(b) Includes restricted cash collected from customer payments on securitized receivables, which are distributed by us to investors as payments on the related secured debt, and cash reserve deposits utilized as a form of credit enhancement for various securitization transactions.

(c) Investment in qualified affordable housing projects are accounted for using the proportional amortization method of accounting and include $336 million and $319 million of unfunded commitments to provide additional capital contributions to investees at March 31, 2019, and December 31, 2018, respectively. Substantially all of the unfunded commitments at March 31, 2019, are expected to be paid out over the next five years.

(d) Primarily relates to investments made in connection with our Community Reinvestment Act (CRA) program.

(e) Includes goodwill of $27 million within our Insurance operations at both March 31, 2019, and December 31, 2018; $193 million within Corporate and Other at both March 31, 2019, and December 31, 2018; and $20 million within Automotive Finance operations at both March 31, 2019, and December 31, 2018. No changes to the carrying amount of goodwill were recorded during the three months endedMarch 31, 2019.

(f) Primarily represents a number of arrangements with third parties where certain restrictions are placed on balances we hold due to collateral agreements associated with operational processes with a third-party bank, or letter of credit arrangements and corresponding collateral requirements.

(g) For additional information on derivative instruments and hedging activities, refer to Note 17.

11.    Deposit Liabilities

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2019		December 31, 2018
Noninterest-bearing deposits	$	141	$	142
Interest-bearing deposits
Savings and money-market checking accounts	60,258		56,050
Certificates of deposit	52,899		49,985
Other deposits	1		1
Total deposit liabilities	$	113,299	$	106,178

At March 31, 2019, and December 31, 2018, certificates of deposit included $22.1 billion and $21.0 billion, respectively, of those in denominations of $100 thousand or more. At March 31, 2019, and December 31, 2018, certificates of deposit included $6.6 billion and $6.1 billion, respectively, of those in denominations in excess of $250 thousand federal insurance limits.

31

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

12.    Debt

Short-term Borrowings

The following table presents the composition of our short-term borrowings portfolio.

	March 31, 2019						December 31, 2018
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	2,486	$	—	$	2,486	$	2,477	$	—	$	2,477
Federal Home Loan Bank	—		2,775		2,775		—		6,825		6,825
Securities sold under agreements to repurchase	—		854		854		—		685		685
Total short-term borrowings	$	2,486	$	3,629	$	6,115	$	2,477	$	7,510	$	9,987

(a) Refer to the section below titled Long-term Debt for further details on assets restricted as collateral for payment of the related debt.

We periodically enter into term repurchase agreements—short-term borrowing agreements in which we sell securities to one or more investors while simultaneously committing to repurchase them at a specified future date, at the stated price plus accrued interest. As of March 31, 2019, the securities sold under agreements to repurchase consisted of$448 million of U.S. Treasury securities and$406 million of agency mortgage-backed residential debt securities set to mature as follows:$513 million within 30 days, $268 millionwithin 31 to 60 days, and $73 million within 61 to 90 days. Refer to Note 6 and Note 20 for further details.

The primary risk associated with these repurchase agreements is that the counterparty will be unable to perform under the terms of the contract. As the borrower, we are exposed to the excess market value of the securities pledged over the amount borrowed. Daily mark-to-market collateral management is designed to limit this risk to the initial margin. However, should a counterparty declare bankruptcy or become insolvent, we may incur additional delays and costs. In some instances, we may place or receive cash collateral with counterparties under collateral arrangements associated with our repurchase agreements. At March 31, 2019, we did not place any collateral, and we received cash collateral totaling$8 millionand noncash collateral totaling$3 million. At December 31, 2018, we did not place any collateral, and we received cash collateral totaling $8 million and noncash collateral totaling $4 million.

Long-term Debt

The following table presents the composition of our long-term debt portfolio.

	March 31, 2019						December 31, 2018
($ in millions)	Unsecured		Secured		Total		Unsecured		Secured		Total
Long-term debt (a)
Due within one year	$	2,630	$	6,948	$	9,578	$	1,663	$	7,313	$	8,976
Due after one year	8,708		23,204		31,912		10,444		24,773		35,217
Total long-term debt (b) (c)	$	11,338	$	30,152	$	41,490	$	12,107	$	32,086	$	44,193

(a) Includes basis adjustments related to the application of hedge accounting. Refer to Note 17 for additional information.

(b) Includes $2.6 billion of trust preferred securities at both March 31, 2019, and December 31, 2018.

(c) Includes advances net of hedge basis adjustment from the FHLB of Pittsburgh of $14.7 billion and $14.9 billion at March 31, 2019, and December 31, 2018, respectively.

The following table presents the scheduled remaining maturity of long-term debt at March 31, 2019, assuming no early redemptions will occur. The amounts below include adjustments to the carrying value resulting from the application of hedge accounting. The actual payment of secured debt may vary based on the payment activity of the related pledged assets.

($ in millions)	2019			2020			2021			2022			2023			2024 and thereafter			Total
Unsecured
Long-term debt	$	917		$	2,258		$	697		$	1,075		$	12		$	7,504		$	12,463
Original issue discount	(31		)	(41		)	(45		)	(49		)	(56		)	(903		)	(1,125		)
Total unsecured	886			2,217			652			1,026			(44		)	6,601			11,338
Secured
Long-term debt	4,998			6,909			10,185			6,008			1,236			816			30,152
Total long-term debt	$	5,884		$	9,126		$	10,837		$	7,034		$	1,192		$	7,417		$	41,490

32

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following summarizes assets restricted as collateral for the payment of the related debt obligation primarily arising from securitization transactions accounted for as secured borrowings and repurchase agreements.

	March 31, 2019					December 31, 2018
($ in millions)	Total (a)			Ally Bank		Total (a)			Ally Bank
Investment securities (b)	$	5,243		$	4,357	$	10,280		$	9,564
Mortgage assets held-for-investment and lending receivables	17,447			17,447		16,498			16,498
Consumer automotive finance receivables	15,882			9,777		17,015			9,715
Commercial automotive finance receivables	14,269			14,269		15,563			15,563
Operating leases	132			—		170			—
Total assets restricted as collateral (c) (d)	$	52,973		$	45,850	$	59,526		$	51,340
Secured debt	$	33,781	(e)	$	27,233	$	39,596	(e)	$	32,072

(a) Ally Bank is a component of the total column.

(b) A portion of the restricted investment securities at March 31, 2019, and December 31, 2018, were restricted under repurchase agreements. Refer to the section above titled Short-term Borrowings for information on the repurchase agreements.

(c) Ally Bank has an advance agreement with the FHLB, and had assets pledged to secure borrowings that were restricted as collateral to the FHLB totaling $26.6 billion and $30.8 billion at March 31, 2019, and December 31, 2018, respectively. These assets were composed primarily of consumer mortgage finance receivables and loans and investment securities. Ally Bank has access to the FRB Discount Window. Ally Bank had assets pledged and restricted as collateral to the FRB totaling $2.4 billion at both March 31, 2019, and December 31, 2018. These assets were composed of consumer automotive finance receivables and loans. Availability under these programs is only for the operations of Ally Bank and cannot be used to fund the operations or liabilities of Ally or its subsidiaries.

(d) Excludes restricted cash and cash reserves for securitization trusts recorded within other assets on the Condensed Consolidated Balance Sheet. Refer to Note 10 for additional information.

(e) Includes $3.6 billion and $7.5 billion of short-term borrowings at March 31, 2019, and December 31, 2018, respectively.

Trust Preferred Securities

At both March 31, 2019, and December 31, 2018, we had issued and outstanding approximately $2.6 billion in aggregate liquidation preference of 8.125% Fixed Rate/Floating Rate Trust Preferred Securities, Series 2 (Series 2 TRUPS). Each Series 2 TRUPS security has a liquidation amount of $25. Distributions are cumulative and are payable until redemption at the applicable coupon rate. Distributions are payable at an annual rate equal to three-month London interbank offered rate plus 5.785% payable quarterly in arrears. Ally has the right to defer payments of interest for a period not exceeding 20 consecutive quarters. The Series 2 TRUPS have no stated maturity date, but must be redeemed upon the redemption or maturity of the related debentures (Debentures), which mature on February 15, 2040. Ally at any time may redeem the Series 2 TRUPS at a redemption price equal to 100% of the principal amount being redeemed, plus accrued and unpaid interest through the date of redemption. The Series 2 TRUPS are generally nonvoting, other than with respect to certain limited matters. During any period in which any Series 2 TRUPS remain outstanding but in which distributions on the Series 2 TRUPS have not been fully paid, none of Ally or its subsidiaries will be permitted to (i) declare or pay dividends on, make any distributions with respect to, or redeem, purchase, acquire or otherwise make a liquidation payment with respect to, any of Ally’s capital stock or make any guarantee payment with respect thereto; or (ii) make any payments of principal, interest, or premium on, or repay, repurchase or redeem, any debt securities or guarantees that rank on a parity with or junior in interest to the Debentures with certain specified exceptions in each case.

Funding Facilities

We utilize both committed secured credit facilities and other collateralized funding vehicles. The debt outstanding under our various funding facilities is included on our Condensed Consolidated Balance Sheet.

As of March 31, 2019, Ally Bank had exclusive access to $3.8 billion of funding capacity from committed credit facilities. Ally Bank’s credit facilities are complemented by the FRB and FHLB funding programs.

The total capacity in our credit facilities is provided by banks through private transactions. The facilities can be revolving in nature, generally having an original tenor ranging from 364 days to two years, and allow for additional funding during the commitment period, or they can be amortizing and not allow for any further funding after the commitment period. AtMarch 31, 2019, all of our$7.6 billionof capacity was revolving and of this balance,$6.0 billionwas from facilities with a remaining tenor greater than 364 days.

33

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Committed Secured Credit Facilities

	Outstanding				Unused capacity (a)				Total capacity
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Bank funding
Secured	$	3,050	$	3,500	$	700	$	1,300	$	3,750	$	4,800
Parent funding
Secured	2,666		3,165		1,134		635		3,800		3,800
Total committed secured credit facilities	$	5,716	$	6,665	$	1,834	$	1,935	$	7,550	$	8,600

(a) Funding from committed secured credit facilities is available on request in the event excess collateral resides in certain facilities or the extent incremental collateral is available and contributed to the facilities.

13.    Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities were as follows.

($ in millions)	March 31, 2019		December 31, 2018
Accounts payable	$	347	$	516
Unfunded commitments for investment in qualified affordable housing projects	336		319
Employee compensation and benefits	165		255
Reserves for insurance losses and loss adjustment expenses	135		134
Deferred revenue	28		27
Cash collateral received from counterparties	27		41
Fair value of derivative contracts in payable position (a)	21		37
Other liabilities	663		347
Total accrued expenses and other liabilities	$	1,722	$	1,676

(a) For additional information on derivative instruments and hedging activities, refer to Note 17.

34

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

14.    Accumulated Other Comprehensive Loss

The following table presents changes, net of tax, in each component of accumulated other comprehensive loss.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)			Cash flow hedges (b)			Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2017	$	(173	)	$	16		$	11		$	(89	)	$	(235	)
Cumulative effect of changes in accounting principles, net of tax (c)
Adoption of Accounting Standards Update 2016-01	27			—			—			—			27
Adoption of Accounting Standards Update 2018-02	(40		)	4			—			(6		)	(42		)
Balance at January 1, 2018	(186		)	20			11			(95		)	(250		)
2018 net change	(338		)	(1		)	14			(3		)	(328		)
Balance at March 31, 2018	$	(524	)	$	19		$	25		$	(98	)	$	(578	)
Balance at December 31, 2018	$	(481	)	$	18		$	19		$	(95	)	$	(539	)
Cumulative effect of changes in accounting principles, net of tax (c)
Adoption of Accounting Standards Update 2017-08	8			—			—			—			8
Balance at January 1, 2019	(473		)	18			19			(95		)	(531		)
2019 net change	315			—			(8		)	(1		)	306
Balance at March 31, 2019	$	(158	)	$	18		$	11		$	(96	)	$	(225	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 17.

(c) Refer to the section titled Recently Adopted Accounting Standards in Note 1 for additional information.

35

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive (loss) income.

Three months ended March 31, 2019($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized gains arising during the period	$	421			$	(99	)		$	322
Less: Net realized gains reclassified to income from continuing operations	9			(a)	(2		)	(b)	7
Net change	412				(97		)		315
Translation adjustments
Net unrealized gains arising during the period	2				(1		)		1
Net investment hedges (c)
Net unrealized losses arising during the period	(2		)		1				(1		)
Cash flow hedges (c)
Net unrealized losses arising during the period	(5		)		1				(4		)
Less: Net realized gains reclassified to income from continuing operations	5				(1		)		4
Net change	(10		)		2				(8		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive loss	$	401			$	(95	)		$	306

(a) Includes gains reclassified to other gain (loss) on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 17.

Three months ended March 31, 2018($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized losses arising during the period	$	(436	)		$	103			$	(333	)
Less: Net realized gains reclassified to income from continuing operations	6			(a)	(1		)	(b)	5
Net change	(442		)		104				(338		)
Translation adjustments
Net unrealized losses arising during the period	(5		)		1				(4		)
Net investment hedges (c)
Net unrealized gains arising during the period	4				(1		)		3
Cash flow hedges (c)
Net unrealized gains arising during the period	18				(4		)		14
Defined benefit pension plans
Net unrealized losses arising during the period	(3		)		—				(3		)
Other comprehensive loss	$	(428	)		$	100			$	(328	)

(a) Includes gains reclassified to other (loss) gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 17.

36

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

15.    Earnings per Common Share

The following table presents the calculation of basic and diluted earnings per common share.

	Three months ended March 31,
($ in millions, except per share data; shares in thousands) (a)	2019			2018
Net income from continuing operations attributable to common stockholders	$	375		$	252
Loss from discontinued operations, net of tax	(1		)	(2		)
Net income attributable to common stockholders	$	374		$	250
Basic weighted-average common shares outstanding (b)	404,129			436,213
Diluted weighted-average common shares outstanding (b)	405,959			438,931
Basic earnings per common share
Net income from continuing operations	$	0.93		$	0.58
Loss from discontinued operations, net of tax	—			(0.01		)
Net income	$	0.93		$	0.57
Diluted earnings per common share
Net income from continuing operations	$	0.92		$	0.57
Loss from discontinued operations, net of tax	—			(0.01		)
Net income	$	0.92		$	0.57

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

(b) Includes shares related to share-based compensation that vested but were not yet issued.

16.    Regulatory Capital and Other Regulatory Matters

The FRB and other U.S. banking agencies have adopted risk-based and leverage capital standards that establish minimum capital-to-asset ratios for BHCs, like Ally, and depository institutions, like Ally Bank.The risk-based capital ratios are based on a banking organization’s risk-weighted assets (RWAs), which are generally determined under the standardized approach applicable to Ally and Ally Bank by (1) assigning on-balance sheet exposures to broad risk weight categories according to the counterparty or, if relevant, the guarantor or collateral (with higher risk weights assigned to categories of exposures perceived as representing greater risk), and (2) multiplying off-balance sheet exposures by specified credit conversion factors to calculate credit equivalent amounts and assigning those credit equivalent amounts to the relevant risk weight categories. The leverage ratio, in contrast, is based on an institution’s average unweighted on-balance sheet exposures.

Ally and Ally Bank are subject to capital requirements issued by U.S. banking regulators that require us to maintain risk-based and leverage capital ratios above minimum levels. As of January 1, 2015, Ally and Ally Bank became subject to the rules implementing the 2010 Basel III capital framework in the United States (U.S. Basel III), which generally reflects higher capital requirements, capital buffers, and changes to regulatory capital definitions, deductions, and adjustments, relative to the predecessor requirements implementing the Basel I capital framework in the United States. Certain aspects of U.S. Basel III, including the capital buffers, were subject to a phase-in period through December 31, 2018.

Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary action by regulators that, if undertaken, could have a direct material effect on the Condensed Consolidated Financial Statements or the results of operations and financial condition of Ally and Ally Bank. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we and Ally Bank must meet specific capital guidelines that involve quantitative measures of capital, assets, and certain off-balance sheet items. These measures and related classifications, which are used in the calculation of our risk-based and leverage capital ratios and those of Ally Bank, are also subject to qualitative judgments by the regulators about the components of capital, the risk-weightings of assets and other exposures, and other factors. The FRB also uses these ratios and guidelines as part of the capital planning and stress testing processes. In addition, in order for Ally to maintain its status as an FHC, Ally and its bank subsidiary, Ally Bank, must remain well capitalized and well managed, as defined under applicable laws. The well capitalized standard for insured depository institutions, such as Ally Bank, reflects the capital requirements under U.S. Basel III.

Under U.S. Basel III, Ally and Ally Bank must maintain a minimum Common Equity Tier 1 risk-based capital ratio of4.5%, a minimum Tier 1 risk-based capital ratio of6%, and a minimum total risk-based capital ratio of8%. In addition to these minimum risk-based capital ratios, Ally and Ally Bank are subject to a capital conservation buffer of more than2.5%. Failure to maintain the full amount of the buffer would result in restrictions on the ability of Ally and Ally Bank to make capital distributions, including dividend payments and stock repurchases and redemptions, and to pay discretionary bonuses to executive officers. U.S. Basel III also subjects Ally and Ally Bank to a minimum Tier 1 leverage ratio of4%.

U.S. Basel III also revised the eligibility criteria for regulatory capital instruments and provides for the phase-out of instruments that had previously been recognized as capital but that do not satisfy these criteria. For example, subject to certain exceptions (e.g., certain debt or equity issued to the U.S. government under the Emergency Economic Stabilization Act), trust preferred and other hybrid securities were

37

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

excluded from a BHC’s Tier 1 capital as of January 1, 2016. Also, subject to a phase-in schedule, certain items are deducted from Common Equity Tier 1 capital under U.S. Basel III that had not previously been deducted from regulatory capital, and certain other deductions from regulatory capital have been modified. Among other things, U.S. Basel III requires significant investments in the common stock of unconsolidated financial institutions, mortgage servicing assets, and certain deferred tax assets that exceed specified individual and aggregate thresholds to be deducted from Common Equity Tier 1 capital. U.S. Basel III also revised the standardized approach for calculating RWAs by, among other things, modifying certain risk weights and the methods for calculating RWAs for certain types of assets and exposures.

Ally and Ally Bank are subject to the U.S. Basel III standardized approach for counterparty credit risk, but not to the U.S. Basel III advanced approaches for credit risk or operational risk. Ally is also not subject to the U.S. market risk capital rule, which applies only to banking organizations with significant trading assets and liabilities.

In December 2018, the FRB and other U.S. banking agencies approved a final rule to address the impact of CECL on regulatory capital by allowing BHCs and banks, including Ally, the option to phase in the day-one impact of CECL over a period of three years for regulatory capital purposes. In addition, the FRB announced that although BHCs subject to company-run stress tests as part of CCAR must incorporate CECL beginning in the 2020 cycle, in order to reduce uncertainty, the FRB will maintain its current modeling framework for the allowance for loan losses in supervisory stress tests through the 2021 cycle.

In May 2018, targeted amendments to the Dodd-Frank Act and other financial-services laws were enacted through the Economic Growth, Regulatory Relief, and Consumer Protection Act (EGRRCP Act), including amendments that affect whether and, if so, how the FRB applies enhanced prudential standards to BHCs like us with $100 billion or more but less than $250 billion in total consolidated assets. During the fourth quarter of 2018, the FRB and other U.S. banking agencies issued proposals that would implement these amendments in the EGRRCP Act and establish risk-based categories for determining the prudential standards and the capital and liquidity requirements that apply to large U.S. banking organizations. Under the proposals, Ally would be treated as a Category IV firm and, as such, would be (1) made subject to the FRB’s Comprehensive Capital Analysis and Review (CCAR) on a two-year cycle rather than the current one-year cycle, (2) made subject to supervisory stress testing on a two-year cycle rather than the current one-year cycle, (3) required to continue submitting an annual capital plan to the FRB for non-objection, (4) allowed to continue excluding accumulated other comprehensive income (AOCI) from regulatory capital, (5) required to continue maintaining a buffer of unencumbered highly liquid assets to meet projected net cash outflows for 30 days, (6) required to conduct liquidity stress tests on a quarterly basis rather than the current monthly basis, (7) allowed to engage in more tailored liquidity risk management, including monthly rather than weekly calculations of collateral positions, the elimination of limits for activities that are not relevant to the firm, and fewer required elements of monitoring of intraday liquidity exposures, (8) exempted from company-run stress testing, the modified liquidity coverage ratio (LCR), and the proposed modified net stable funding ratio (NSFR), and (9) allowed to remain exempted from the supplementary leverage ratio, the countercyclical capital buffer, and single counterparty credit limits.

Following the issuance of this proposed rule, during the first quarter of 2019, the FRB announced that a number of large and noncomplex BHCs with $100 billion or more but less than $250 billionin total consolidated assets, including Ally, will not be required to submit a capital plan to the FRB, participate in the supervisory stress test or CCAR, or conduct company-run stress tests during the 2019 cycle. Instead, Ally’s capital actions during this cycle will be largely based on the results from its 2018 supervisory stress test.

In April 2018, the FRB issued a proposal to more closely align forward-looking stress testing results with the FRB’s non-stress regulatory capital requirements for banking organizations with$50 billionor more in total consolidated assets. The proposal would introduce a stress capital buffer based on firm-specific stress test performance, which would effectively replace the non-stress capital conservation buffer. The proposal would also make several changes to the CCAR process, such as eliminating the CCAR quantitative objection, narrowing the set of planned capital actions assumed to occur in the stress scenario, and eliminating the 30% dividend payout ratio as a criterion for heightened scrutiny of a firm’s capital plan.In December 2017, the Basel Committee approved revisions to the global Basel III capital framework (commonly known as Basel IV), many of which—if adopted in the United States—could heighten regulatory capital standards even more.

At this time, how all of these proposals and revisions will be harmonized and finalized in the United States is not clear or predictable and we continue to evaluate the impacts these proposals and revisions may have on us.

Compliance with capital requirements is a strategic priority for Ally. We expect to be in compliance with all applicable requirements within the established timeframes.

38

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table summarizes our capital ratios under the U.S. Basel III capital framework.

	March 31, 2019				December 31, 2018				Required minimum (a)		Well-capitalized minimum
($ in millions)	Amount		Ratio		Amount		Ratio
Capital ratios
Common Equity Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	13,603	9.33	%	$	13,397	9.14	%	4.50	%	(b)
Ally Bank	16,609		12.55		16,552		12.61		4.50		6.50	%
Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	16,035	10.99	%	$	15,831	10.80	%	6.00	%	6.00	%
Ally Bank	16,609		12.55		16,552		12.61		6.00		8.00
Total (to risk-weighted assets)
Ally Financial Inc.	$	18,292	12.54	%	$	18,046	12.31	%	8.00	%	10.00	%
Ally Bank	17,802		13.46		17,620		13.42		8.00		10.00
Tier 1 leverage (to adjusted quarterly average assets) (c)
Ally Financial Inc.	$	16,035	9.02	%	$	15,831	9.00	%	4.00	%	(b)
Ally Bank	16,609		10.45		16,552		10.69		4.00		5.00	%

(a) In addition to the minimum risk-based capital requirements for the Common Equity Tier 1 capital, Tier 1 capital, and total capital ratios, Ally and Ally Bank were required to maintain a minimum capital conservation buffer of 2.5% and 1.875% at March 31, 2019, and December 31, 2018, respectively.

(b) Currently, there is no ratio component for determining whether a BHC is “well-capitalized.”

(c) Federal regulatory reporting guidelines require the calculation of adjusted quarterly average assets using a daily average methodology.

At March 31, 2019, Ally and Ally Bank were “well-capitalized” and met all applicable capital requirements to which each was subject.

Capital Planning and Stress Tests

Pending the adoption of proposals issued by the FRB and other U.S. banking agencies during the fourth quarter of 2018 that would implement the EGRRCP Act, Ally is required to conduct semi-annual company-run stress tests, is subject to an annual supervisory stress test conducted by the FRB, and must submit a proposed capital plan to the FRB.

Ally’s proposed capital plan must include an assessment of our expected uses and sources of capital and a description of all planned capital actions over a nine-quarter planning horizon, including any issuance of a debt or equity capital instrument, any dividend or other capital distribution, and any similar action that the FRB determines could have an impact on Ally’s capital. The proposed capital plan must also include a discussion of how Ally, under expected and stressful conditions, will maintain capital commensurate with its risks and above the minimum regulatory capital ratios, and will serve as a source of strength to Ally Bank. The FRB will either object to Ally’s proposed capital plan, in whole or in part, or provide a notice of non-objection. If the FRB objects to the proposed capital plan, or if certain material events occur after approval of the plan, Ally must submit a revised capital plan within 30 days. Even if the FRB does not object to our capital plan, Ally may be precluded from or limited in paying dividends or other capital distributions without the FRB’s approval under certain circumstances—for example, when we would not meet minimum regulatory capital ratios and capital buffers after giving effect to the distributions.

39

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents information related to our common stock and distributions to our common stockholders over the last five quarters.

	Common stock repurchased during period (a)			Number of common shares outstanding		Cash dividends declared per common share (b)
($ in millions, except per share data; shares in thousands)	Approximate dollar value		Number of shares	Beginning of period	End of period
2018
First quarter	$	185	6,473	437,054	432,691	$	0.13
Second quarter	195		7,280	432,691	425,752	0.13
Third quarter	250		9,194	425,752	416,591	0.15
Fourth quarter	309		12,121	416,591	404,900	0.15
2019
First quarter	$	211	8,113	404,900	399,761	$	0.17

(a) Includes shares of common stock withheld to cover income taxes owed by participants in our share-based incentive plans.

(b) On April 14, 2019, the Ally Board of Directors (the Board) declared a quarterly cash dividend of $0.17 per share on all common stock, payable on May 15, 2019. Refer to Note 24 for further information regarding this common stock dividend.

Ally submitted its 2018 capital plan and company-run stress test results to the FRB on April 5, 2018. On June 21, 2018, we publicly disclosed summary results of the stress test under the severely adverse scenario in accordance with applicable regulatory requirements. On June 28, 2018, we received from the FRB a non-objection to our capital plan, which included increases in both our stock-repurchase program and our planned dividends. Consistent with the capital plan, the Board authorizedincreases in our stock-repurchase program, permitting us to repurchase up to$1.0 billionof our common stock from time to time from the third quarter of 2018 through the second quarter of 2019. Also consistent with the capital plan, on April 14, 2019, the Board declared a quarterly cash dividend of $0.17per share of our common stock. Refer to Note 24 for further information on the most recent dividend. On October 5, 2018, we submitted to the FRB the results of our company-run mid-cycle stress test and publicly disclosed summary results under the severely adverse scenario in accordance with applicable regulatory requirements.

As described earlier in this note, Ally’s capital actions during this cycle will be largely based on the results from its 2018 supervisory stress test. On April 1, 2019, the Board authorized an increase in our stock-repurchase program, permitting us to repurchase up to$1.25 billionof our common stock from time to time from the third quarter of 2019 through the second quarter of 2020, representing a 25% increase over our previously announced program.

Our ability to make capital distributions, including our ability to pay dividends or repurchase shares of our common stock, will continue to be subject to the FRB’s review and approval by the Board. The amount and size of any future dividends and share repurchases also will be subject to various factors, including Ally’s capital and liquidity positions, regulatory considerations, any accounting standards that affect capital or liquidity (including CECL), financial and operational performance, alternative uses of capital, common-stock price, and general market conditions, and may be suspended at any time.

17.    Derivative Instruments and Hedging Activities

We enter into derivative instruments, which may include interest rate, foreign-currency, and equity swaps, futures, forwards, and options in connection with our risk-management activities. Our primary objective for utilizing derivative financial instruments is to manage interest rate risk associated with our fixed- and variable-rate assets and liabilities, foreign exchange risks related to our foreign-currency denominated assets and liabilities, and other market risks related to our investment portfolio.

Interest Rate Risk

We monitor our mix of fixed- and variable-rate assets and liabilities and may enter into interest rate swaps, forwards, futures, options, and swaptions to achieve our desired mix of fixed- and variable-rate assets and liabilities. We execute these trades to modify our exposure to interest rate risk by converting certain fixed-rate instruments to a variable-rate and certain variable-rate instruments to a fixed-rate. We use a mix of both derivatives that qualify for hedge accounting treatment and economic hedges.

Derivatives qualifying for hedge accounting can include receive-fixed swaps designated as fair value hedges of specific fixed-rate unsecured debt obligations, receive-fixed swaps designated as fair value hedges of specific fixed-rate FHLB advances, pay-fixed swaps designated as fair value hedges of securities within our available-for-sale portfolio, and pay-fixed swaps designated as fair value hedges of closed portfolios of fixed-rate held-for-investment consumer automotive loan assets in which the hedged item is the last layer expected to be remaining at the end of the hedging relationship. Other derivatives qualifying for hedge accounting consist of pay-fixed swaps designated as cash flow hedges of the expected future cash flows in the form of interest payments on certain variable-rate borrowings and deposit liabilities, as well as interest rate floor contracts designated as cash flow hedges of the expected future cash flows in the form of interest receipts on a portion of our dealer floorplan commercial loans.

40

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

We may also execute economic hedges, which consist of interest rate swaps, interest rate caps, forwards, futures, options, and swaptions to mitigate interest rate risk.

We also enter into interest rate lock commitments and forward-sale commitments that are executed as part of our mortgage business that meet the accounting definition of a derivative.

Foreign Exchange Risk

We enter into derivative financial instrument contracts to mitigate the risk associated with variability in cash flows related to our various foreign-currency exposures.

We enter into foreign-currency forwards with external counterparties as net investment hedges of foreign exchange exposure on our investment in foreign subsidiaries. Our equity is impacted by the cumulative translation adjustments resulting from the translation of foreign subsidiary results; this impact is reflected in our accumulated other comprehensive loss. We also periodically enter into foreign-currency forwards to economically hedge any foreign-denominated debt, centralized lending, and foreign-denominated third-party loans. These foreign-currency forwards that are used as economic hedges are recorded at fair value with changes recorded as income offsetting the gains and losses on the associated foreign-currency transactions.

Equity Risk

We enter into equity options to economically hedge our exposure to the equity markets.

Counterparty Credit Risk

Derivative financial instruments contain an element of credit risk if counterparties are unable to meet the terms of the agreements. Credit risk associated with derivative financial instruments is measured as the net replacement cost should the counterparties that owe us under the contract completely fail to perform under the terms of those contracts, assuming no recoveries of underlying collateral as measured by the market value of the derivative financial instrument.

We manage our risk to financial counterparties through internal credit analysis, limits, and monitoring. Additionally, derivatives and repurchase agreements are entered into with approved counterparties using industry standard agreements.

We execute certain over-the-counter (OTC) derivatives such as interest rate caps using bilateral agreements with financial counterparties. Bilateral agreements generally require both parties to post collateral in the event the fair values of the derivative financial instruments meet posting thresholds established under the agreements. In the event that either party defaults on the obligation, the secured party may seize the collateral. Payments related to the exchange of collateral for OTC derivatives are recognized as collateral.

We also execute certain derivatives such as interest rate swaps with clearinghouses, which requires us to post and receive collateral. For these clearinghouse derivatives, these payments are recognized as settlements rather than collateral.

Certain derivative instruments contain provisions that require us to either post additional collateral or immediately settle any outstanding liability balances upon the occurrence of a specified credit-risk-related event. No such specified credit-risk-related events occurred during the three months endedMarch 31, 2019, or 2018.

We placed cash collateral totaling $19 million and noncash collateral totaling $99 million supporting our derivative positions at March 31, 2019, and $26 million and $105 million at December 31, 2018, respectively, in accounts maintained by counterparties. These amounts include collateral placed at clearinghouses and exclude cash and noncash collateral pledged under repurchase agreements. Refer to Note 12 for details on the repurchase agreements. The receivables for cash collateral placed are included on our Condensed Consolidated Balance Sheet in other assets.

We received cash collateral from counterparties totaling $12 million at March 31, 2019, and we received $30 million and $3 million of cash and noncash collateral, respectively, at December 31, 2018, in accounts maintained by counterparties. These amounts include collateral received from clearinghouses and exclude cash and noncash collateral pledged under repurchase agreements. Refer to Note 12 for details on repurchase agreements. The payables for cash collateral received are included on our Condensed Consolidated Balance Sheet in accrued expenses and other liabilities. Included in these amounts is noncash collateral where we have been granted the right to sell or pledge the underlying assets. We have not sold or pledged any of the noncash collateral received under these agreements.

41

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Balance Sheet Presentation

The following table summarizes the amounts of derivative instruments reported on our Condensed Consolidated Balance Sheet. The amounts are presented on a gross basis, are segregated by derivatives that are designated and qualifying as hedging instruments or those that are not, and are further segregated by type of contract within those two categories.

Derivative contracts in a receivable and payable position exclude open trade equity on derivatives cleared through central clearing counterparties. Any associated collateral exchanged with our central clearing counterparties are treated as settlements of the derivative exposure, rather than collateral. Such payments are recognized as settlements of the derivatives contracts in a receivable and payable position on our Condensed Consolidated Balance Sheet.

Notional amounts are reference amounts from which contractual obligations are derived and are not recorded on the balance sheet. In our view, derivative notional is not an accurate measure of our derivative exposure when viewed in isolation from other factors, such as market rate fluctuations and counterparty credit risk.

	March 31, 2019						December 31, 2018
	Derivative contracts in a				Notional amount		Derivative contracts in a				Notional amount
($ in millions)	receivable position		payable position				receivable position		payable position
Derivatives designated as accounting hedges
Interest rate contracts
Swaps	$	—	$	—	$	12,085	$	—	$	—	$	24,203
Purchased options	1		—		100		—		—		—
Foreign exchange contracts
Forwards	—		1		134		1		—		136
Total derivatives designated as accounting hedges	1		1		12,319		1		—		24,339
Derivatives not designated as accounting hedges
Interest rate contracts
Futures and forwards	—		—		11		—		—		11
Written options	2		19		6,180		—		37		6,793
Purchased options	19		—		6,081		37		—		6,742
Total interest rate risk	21		19		12,272		37		37		13,546
Foreign exchange contracts
Futures and forwards	—		—		124		3		—		181
Total foreign exchange risk	—		—		124		3		—		181
Equity contracts
Written options	—		1		1		—		—		—
Total equity risk	—		1		1		—		—		—
Total derivatives not designated as accounting hedges	21		20		12,397		40		37		13,727
Total derivatives	$	22	$	21	$	24,716	$	41	$	37	$	38,066

42

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents amounts recorded on our Condensed Consolidated Balance Sheet related to cumulative basis adjustments for fair value hedges.

($ in millions)	Carrying amount of the hedged items				Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged items
					Total				Discontinued (a)
	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Assets
Available-for-sale securities (b) (c)	$	1,495	$	1,485	$	10	$	—	$	8	$	(5	)
Finance receivables and loans, net (d)	36,433		40,850		63		24		68		5
Liabilities
Long-term debt	$	12,263	$	13,001	$	66	$	67	$	66	$	67

(a) Represents the fair value hedging adjustment on qualifying hedges for which the hedging relationship was discontinued. This represents a subset of the amounts reported in the total hedging adjustment.

(b) The carrying amount of hedged available-for-sale securities is presented above using amortized cost. Refer to Note 6 for a reconciliation of the amortized cost and fair value of available-for-sale securities.

(c) The amount identified as the last of layer in the hedge relationship was $28 million at both March 31, 2019, and December 31, 2018, but the hedge relationship was discontinued during the three months ended March 31, 2019. The carrying amount associated with the last-of-layer relationship was $46 million and $47 million, respectively. There was no basis adjustment associated with the last-of-layer relationships for either period.

(d) The hedged item represents the carrying value of the hedged portfolio of assets. The amount identified as the last of layer in the open hedge relationship was $9.6 billion as of March 31, 2019, and $21.4 billion as of December 31, 2018. The basis adjustment associated with the open last-of-layer relationship was a $5 million liability as of March 31, 2019, and a $19 million asset as of December 31, 2018, which would be allocated across the entire remaining closed pool upon termination or maturity of the hedge relationship. The amount that is identified as the last of layer in the discontinued hedge relationship was $11.2 billion for the three months endedMarch 31, 2019. The basis adjustment associated with the discontinued last-of-layer relationship was a $65 million asset for the three months endedMarch 31, 2019, which was allocated across the entire remaining pool upon termination of the hedge relationship.

Statement of Comprehensive Income Presentation

The following table summarizes the location and amounts of gains and losses on derivative instruments not designated as accounting hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2019			2018
Gain (loss) recognized in earnings
Interest rate contracts
Gain on mortgage and automotive loans, net	$	1		$	—
Other income, net of losses	(5		)	2
Total interest rate contracts	(4		)	2
Foreign exchange contracts
Other income, net of losses	(1		)	—
Total foreign exchange contracts	(1		)	—
(Loss) gain recognized in earnings	$	(5	)	$	2

43

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table summarizes the location and amounts of gains and losses on derivative instruments designated as fair value hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Interest and fees on finance receivables and loans						Interest and dividends on investment securities and other earning assets						Interest on deposits				Interest on long-term debt
Three months ended March 31, ($ in millions)	2019			2018			2019			2018			2019		2018		2019		2018
Gain (loss) on fair value hedging relationships
Interest rate contracts
Hedged fixed-rate unsecured debt	$	—		$	—		$	—		$	—		$	—	$	—	$	—	$	36
Derivatives designated as hedging instruments on fixed-rate unsecured debt	—			—			—			—			—		—		—		(35		)
Hedged fixed-rate FHLB advances	—			—			—			—			—		—		—		33
Derivatives designated as hedging instruments on fixed-rate FHLB advances	—			—			—			—			—		—		—		(33		)
Hedged available-for-sale securities	—			—			10			(3		)	—		—		—		—
Derivatives designated as hedging instruments on available-for-sale securities	—			—			(10		)	3			—		—		—		—
Hedged fixed-rate consumer automotive loans	43			(45		)	—			—			—		—		—		—
Derivatives designated as hedging instruments on fixed-rate consumer automotive loans	(43		)	45			—			—			—		—		—		—
Total gain on fair value hedging relationships	—			—			—			—			—		—		—		1
Gain on cash flow hedging relationships
Interest rate contracts
Hedged deposit liabilities
Reclassified from accumulated other comprehensive income into income	—			—			—			—			1		—		—		—
Hedged variable-rate borrowings
Reclassified from accumulated other comprehensive income into income	—			—			—			—			—		—		4		—
Total gain on cash flow hedging relationships	$	—		$	—		$	—		$	—		$	1	$	—	$	4	$	—
Total amounts presented in the Condensed Consolidated Statement of Comprehensive Income	$	1,807		$	1,543		$	240		$	176		$	592	$	351	$	419	$	411

During the next twelve months, we estimate $7 million will be reclassified into pretax earnings from derivatives designated as cash flow hedges.

44

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table summarizes the location and amounts of gains and losses related to interest and amortization on derivative instruments designated as fair value and cash flow hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Interest and fees on finance receivables and loans						Interest and dividends on investment securities and other earning assets					Interest on long-term debt
Three months ended March 31, ($ in millions)	2019			2018			2019		2018			2019			2018
Gain (loss) on fair value hedging relationships
Interest rate contracts
Amortization of deferred unsecured debt basis adjustments	$	—		$	—		$	—	$	—		$	6		$	15
Interest for qualifying accounting hedges of unsecured debt	—			—			—		—			—			3
Amortization of deferred secured debt basis adjustments (FHLB advances)	—			—			—		—			(6		)	(1		)
Interest for qualifying accounting hedges of secured debt (FHLB advances)	—			—			—		—			—			2
Interest for qualifying accounting hedges of available-for-sale securities	—			—			—		(1		)	—			—
Amortization of deferred loan basis adjustments	(4		)	(4		)	—		—			—			—
Interest for qualifying accounting hedges of consumer automotive loans held-for-investment	6			(7		)	—		—			—			—
Total gain (loss) on fair value hedging relationships	2			(11		)	—		(1		)	—			19
Gain on cash flow hedging relationships
Interest rate contracts
Interest for qualifying accounting hedges of variable-rate borrowings	—			—			—		—			—			1
Total gain on cash flow hedging relationships	$	—		$	—		$	—	$	—		$	—		$	1

The following table summarizes the effect of cash flow hedges on accumulated other comprehensive loss.

	Three months ended March 31,
($ in millions)	2019			2018
Interest rate contracts
(Loss) gain recognized in other comprehensive loss	$	(10	)	$	18

The following table summarizes the effect of net investment hedges on accumulated other comprehensive loss and the Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2019			2018
Foreign exchange contracts (a) (b)
(Loss) gain recognized in other comprehensive loss	$	(2	)	$	4

(a) There were no amounts excluded from effectiveness testing for the three months endedMarch 31, 2019, or 2018.

(b) Gains and losses reclassified from accumulated other comprehensive loss are reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income. There were no amounts reclassified for the three months endedMarch 31, 2019, or 2018.

18.    Income Taxes

We recognized total income tax expense from continuing operations of $111 million for the three months endedMarch 31, 2019, compared to income tax expense of $76 million for the same period in 2018. The increase in income tax expense for the three months endedMarch 31, 2019, compared to the same period in 2018, was primarily driven by the tax effects of an increase in pretax earnings.

45

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

As of each reporting date, we consider existing evidence, both positive and negative, that could impact our view with regard to future realization of deferred tax assets. We continue to believe it is more likely than not that the benefit for certain foreign tax credit carryforwards and state net operating loss carryforwards will not be realized. In recognition of this risk, we continue to provide a partial valuation allowance on the deferred tax assets relating to these carryforwards and it is reasonably possible that the valuation allowance may change in the next twelve months.

19.    Fair Value

Fair Value Measurements

For purposes of this disclosure, fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability (exit price) in the principal or most advantageous market in an orderly transaction between market participants at the measurement date under current market conditions. Fair value is based on the assumptions we believe market participants would use when pricing an asset or liability. Additionally, entities are required to consider all aspects of nonperformance risk, including the entity’s own credit standing, when measuring the fair value of a liability.

Judgment is used in estimating inputs to our internal valuation models used to estimate our Level 3 fair value measurements. Level 3 inputs such as interest rate movements, prepayment speeds, credit losses, and discount rates are inherently difficult to estimate. Changes to these inputs can have a significant effect on fair value measurements and amounts that could be realized.

GAAP specifies a three-level hierarchy that is used when measuring and disclosing fair value. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). An instrument’s categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. The following is a description of the three hierarchy levels.

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities at the measurement date. Additionally, the entity must have the ability to access the active market, and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs are other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent management’s best assumptions of how market participants would price the assets or liabilities. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

The following are descriptions of the valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models, and significant assumptions utilized.

• Equity Securities — Includes various marketable equity securities measured at fair value with changes in fair value recognized in net income. Measurements based on observable market prices are classified as Level 1.

• Available-for-sale securities — All classes of available-for-sale securities are carried at fair value based on observable market prices, when available. If observable market prices are not available, our valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate and consider recent market transactions, experience with similar securities, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we are required to utilize various significant assumptions including market observable inputs (e.g., forward interest rates) and internally developed inputs (including prepayment speeds, delinquency levels, and credit losses).

• Interests retained in financial asset sales — Includes certain noncertificated interests retained from the sale of automotive finance receivables. Due to inactivity in the market, valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate; therefore, we classified these assets as Level 3. The valuation considers recent market transactions, experience with similar assets, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we utilize various significant assumptions, including market observable inputs (e.g., forward interest rates) and internally developed inputs (e.g., prepayment speeds, delinquency levels, and credit losses).

• Derivative instruments — We enter into a variety of derivative financial instruments as part of our risk-management strategies. Certain of these derivatives are exchange traded, such as Eurodollar futures, options of Eurodollar futures, and equity options. To determine the fair value of these instruments, we utilize the quoted market prices for the particular derivative contracts; therefore, we classified these contracts as Level 1.

We also execute OTC and centrally-cleared derivative contracts, such as interest rate swaps, swaptions, foreign-currency denominated forward contracts, caps, floors, and agency to-be-announced securities. We utilize third-party-developed valuation models that are widely accepted in the market to value these derivative contracts. The specific terms of the contract and market observable inputs (such as interest rate forward curves, interpolated volatility assumptions, or equity pricing) are used in the model. We classified these derivative contracts as Level 2 because all significant inputs into these models were market observable.

46

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

We also enter into interest rate lock commitments and forward-sale commitments that are executed as part of our mortgage business, certain of which meet the accounting definition of a derivative and therefore are recorded as derivatives on our Condensed Consolidated Balance Sheet. Because these derivatives are valued using internal pricing models with unobservable inputs, they are classified as Level 3.

We are required to consider all aspects of nonperformance risk, including our own credit standing, when measuring fair value of a liability. We reduce credit risk on the majority of our derivatives by entering into legally enforceable agreements that enable the posting and receiving of collateral associated with the fair value of our derivative positions on an ongoing basis. In the event that we do not enter into legally enforceable agreements that enable the posting and receiving of collateral, we will consider our credit risk and the credit risk of our counterparties in the valuation of derivative instruments through a credit valuation adjustment (CVA), if warranted. The CVA calculation utilizes the credit default swap spreads of the counterparty.

Recurring Fair Value

The following tables display the assets and liabilities measured at fair value on a recurring basis including financial instruments elected for the fair value option. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items; therefore, they do not directly display the impact of our risk-management activities.

	Recurring fair value measurements
March 31, 2019($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Investment securities
Equity securities (a)	$	525	$	—	$	11	$	536
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,941		1		—		1,942
U.S. States and political subdivisions	—		781		—		781
Foreign government	7		165		—		172
Agency mortgage-backed residential	—		18,844		—		18,844
Agency mortgage-backed commercial	—		320		—		320
Mortgage-backed residential	—		2,886		—		2,886
Mortgage-backed commercial	—		723		—		723
Asset-backed	—		668		—		668
Corporate debt	—		1,294		—		1,294
Total available-for-sale securities	1,948		25,682		—		27,630
Mortgage loans held-for-sale (b)	—		—		15		15
Interests retained in financial asset sales	—		—		4		4
Derivative contracts in a receivable position
Interest rate	—		20		2		22
Total derivative contracts in a receivable position	—		20		2		22
Total assets	$	2,473	$	25,702	$	32	$	28,207
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position
Interest rate	$	—	$	19	$	—	$	19
Foreign currency	—		1		—		1
Other	1		—		—		1
Total derivative contracts in a payable position	1		20		—		21
Total liabilities	$	1	$	20	$	—	$	21

(a) Our investment in any one industry did not exceed 15%.

(b) Carried at fair value due to fair value option elections.

47

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

	Recurring fair value measurements
December 31, 2018 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Investment securities
Equity securities (a)	$	766	$	—	$	7	$	773
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,850		1		—		1,851
U.S. States and political subdivisions	—		802		—		802
Foreign government	7		138		—		145
Agency mortgage-backed residential	—		17,138		—		17,138
Agency mortgage-backed commercial	—		3		—		3
Mortgage-backed residential	—		2,686		—		2,686
Mortgage-backed commercial	—		714		—		714
Asset-backed	—		723		—		723
Corporate debt	—		1,241		—		1,241
Total available-for-sale securities	1,857		23,446		—		25,303
Mortgage loans held-for-sale (b)	—		—		8		8
Interests retained in financial asset sales	—		—		4		4
Derivative contracts in a receivable position
Interest rate	—		37		—		37
Foreign currency	—		4		—		4
Total derivative contracts in a receivable position	—		41		—		41
Total assets	$	2,623	$	23,487	$	19	$	26,129
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position
Interest rate	$	—	$	37	$	—	$	37
Total derivative contracts in a payable position	—		37		—		37
Total liabilities	$	—	$	37	$	—	$	37

(a) Our investment in any one industry did not exceed 9%.

(b) Carried at fair value due to fair value option elections.

48

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following tables present the reconciliation for all Level 3 assets and liabilities measured at fair value on a recurring basis. There were no transfers into or out of Level 3 in the periods presented. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the following tables do not fully reflect the impact of our risk-management activities.

	Level 3 recurring fair value measurements
			Net realized/unrealized gains														Fair value at March 31, 2019		Net unrealized gains still held at March 31, 2019
($ in millions)	Fair value at Jan. 1, 2019		included in earnings			included in OCI		Purchases		Sales			Issuances		Settlements				included in earnings		included in OCI
Assets
Equity securities	$	7	$	4	(a)	$	—	$	—	$	—		$	—	$	—	$	11	$	4	$	—
Mortgage loans held-for-sale (b)	8		1		(c)	—		90		(84		)	—		—		15		—		—
Other assets
Interests retained in financial asset sales	4		—			—		—		—			—		—		4		—		—
Derivative assets	—		2		(c)	—		—		—			—		—		2		2		—
Total assets	$	19	$	7		$	—	$	90	$	(84	)	$	—	$	—	$	32	$	6	$	—

(a) Reported as other gain on investments, net, in the Condensed Consolidated Statement of Comprehensive Income.

(b) Carried at fair value due to fair value option elections.

(c) Reported as gain on mortgage and automotive loans, net, in the Condensed Consolidated Statement of Comprehensive Income.

	Level 3 recurring fair value measurements
	Fair value at Jan. 1, 2018		Net realized/unrealized (losses) gains						Purchases		Sales			Issuances		Settlements			Fair value at March 31, 2018		Net unrealized losses included in earnings still held at March 31, 2018
($ in millions)			included in earnings				included in OCI
Assets
Equity securities	$	19	$	(4	)	(a)	$	—	$	—	$	—		$	—	$	(3	)	$	12	$	(5	)
Mortgage loans held-for-sale (b)	13		1			(c)	—		59		(66		)	—		—			7		—
Other assets
Interests retained in financial asset sales	5		—				—		—		—			—		—			5		—
Derivative assets	1		—				—		—		—			—		—			1		—
Total assets	$	38	$	(3	)		$	—	$	59	$	(66	)	$	—	$	(3	)	$	25	$	(5	)

(a) Reported as other loss on investments, net, in the Condensed Consolidated Statement of Comprehensive Income.

(b) Carried at fair value due to fair value option elections.

(c) Reported as gain on mortgage and automotive loans, net, in the Condensed Consolidated Statement of Comprehensive Income.

49

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Nonrecurring Fair Value

We may be required to measure certain assets and liabilities at fair value from time to time. These periodic fair value measures typically result from the application of lower-of-cost or fair value accounting or certain impairment measures. These items would constitute nonrecurring fair value measures.

The following tables display assets and liabilities measured at fair value on a nonrecurring basis and still held at March 31, 2019, and December 31, 2018, respectively. The amounts are as of the end of each period presented, which approximate the fair value measurements that occurred during each period.

	Nonrecurring fair value measurements								Lower-of-cost or fair value reserve, valuation reserve, or cumulative impairment			Total gain (loss) included in earnings
March 31, 2019($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net
Automotive	$	—	$	—	$	18	$	18	$	—		n/m	(a)
Other	—		—		74		74		—			n/m	(a)
Total loans held-for-sale, net	—		—		92		92		—			n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		83		83		(18		)	n/m	(a)
Other	—		—		30		30		(40		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		113		113		(58		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		12		12		(1		)	n/m	(a)
Nonmarketable equity investments	—		—		2		2		—			n/m	(a)
Equity-method investments	—		—		1		1		(3		)	n/m	(a)
Total assets	$	—	$	—	$	220	$	220	$	(62	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation allowance, loan loss allowance, or cumulative impairment to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation allowance, loan loss allowance, or cumulative impairment.

(b) Represents the portion of the portfolio specifically impaired during 2019. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

50

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

	Nonrecurring fair value measurements								Lower-of-cost or fair value reserve, valuation reserve, or cumulative impairment			Total gain (loss) included in earnings
December 31, 2018 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net
Automotive (a)	$	—	$	—	$	210	$	210	$	(2	)	n/m	(b)
Other	—		—		96		96		—			n/m	(b)
Total loans held-for-sale, net	—		—		306		306		(2		)	n/m	(b)
Commercial finance receivables and loans, net (c)
Automotive	—		—		84		84		(10		)	n/m	(b)
Other	—		—		55		55		(46		)	n/m	(b)
Total commercial finance receivables and loans, net	—		—		139		139		(56		)	n/m	(b)
Other assets
Nonmarketable equity investments	—		—		1		1		(1		)	n/m	(b)
Equity-method investments	—		—		3		3		—			n/m	(b)
Repossessed and foreclosed assets (d)	—		—		13		13		(1		)	n/m	(b)
Total assets	$	—	$	—	$	462	$	462	$	(60	)	n/m

n/m = not meaningful

(a) Represents loans within our commercial automotive portfolio. Of this amount, $104 million was valued based upon a sales price for a transaction that closed in January 2019, and $106 million was valued using a discounted cash flow analysis, with a spread over forward interest rates as a significant unobservable input utilizing a range of 0.08–1.09% and weighted average of 0.72%.

(b) We consider the applicable valuation allowance, loan loss allowance, or cumulative impairment to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation allowance, loan loss allowance, or cumulative impairment.

(c) Represents the portion of the portfolio specifically impaired during 2018. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(d) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

Fair Value Option for Financial Assets

We elected the fair value option for an insignificant amount of conforming mortgage loans held-for-sale. We elected the fair value option to mitigate earnings volatility by better matching the accounting for the assets with the related derivatives. Our intent in electing fair value measurement was to mitigate a divergence between accounting gains or losses and economic exposure for certain assets and liabilities.

51

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Fair Value of Financial Instruments

The following table presents the carrying and estimated fair value of financial instruments, except for those recorded at fair value on a recurring basis presented in the previous section of this note titled Recurring Fair Value. When possible, we use quoted market prices to determine fair value. Where quoted market prices are not available, the fair value is internally derived based on appropriate valuation methodologies with respect to the amount and timing of future cash flows and estimated discount rates. However, considerable judgment is required in interpreting current market data to develop the market assumptions and inputs necessary to estimate fair value. As such, the actual amount received to sell an asset or the amount paid to settle a liability could differ from our estimates. Fair value information presented herein was based on information available at March 31, 2019, and December 31, 2018.

			Estimated fair value
($ in millions)	Carrying value		Level 1		Level 2		Level 3		Total
March 31, 2019
Financial assets
Held-to-maturity securities	$	2,387	$	—	$	2,374	$	—	$	2,374
Loans held-for-sale, net	92		—		—		92		92
Finance receivables and loans, net	128,767		—		—		131,541		131,541
FHLB/FRB stock (a)	1,180		—		1,180		—		1,180
Financial liabilities
Deposit liabilities	$	54,899	$	—	$	—	$	55,106	$	55,106
Short-term borrowings	6,115		—		—		6,119		6,119
Long-term debt	41,490		—		23,038		20,661		43,699
December 31, 2018
Financial assets
Held-to-maturity securities	$	2,362	$	—	$	2,307	$	—	$	2,307
Loans held-for-sale, net	306		—		—		306		306
Finance receivables and loans, net	128,684		—		—		130,878		130,878
FHLB/FRB stock (a)	1,351		—		1,351		—		1,351
Financial liabilities
Deposit liabilities	$	51,985	$	—	$	—	$	51,997	$	51,997
Short-term borrowings	9,987		—		—		9,992		9,992
Long-term debt	44,193		—		23,846		21,800		45,646

(a) Included in other assets on our Condensed Consolidated Balance Sheet.

20.    Offsetting Assets and Liabilities

Our derivative contracts and repurchase/reverse repurchase transactions are supported by qualifying master netting and master repurchase agreements. These agreements are legally enforceable bilateral agreements that (i) create a single legal obligation for all individual transactions covered by the agreement to the nondefaulting entity upon an event of default of the counterparty, including bankruptcy, insolvency, or similar proceeding, and (ii) provide the nondefaulting entity the right to accelerate, terminate, and close-out on a net basis all transactions under the agreement and to liquidate or set off collateral promptly upon an event of default of the counterparty.

To further mitigate the risk of counterparty default related to derivative instruments, we maintain collateral agreements with certain counterparties. The agreements require both parties to maintain collateral in the event the fair values of the derivative financial instruments meet established thresholds. In the event that either party defaults on the obligation, the secured party may seize the collateral. Generally, our collateral arrangements are bilateral such that we and the counterparty post collateral for the obligation. Contractual terms provide for standard and customary exchange of collateral based on changes in the market value of the outstanding derivatives. A party posts additional collateral when their obligation rises or removes collateral when it falls, such that the net replacement cost of the nondefaulting party is covered in the event of counterparty default.

In certain instances as it relates to our derivative instruments, we have the option to report derivative assets and liabilities as well as assets and liabilities associated with cash collateral received or delivered that is governed by a master netting agreement on a net basis as long as certain qualifying criteria are met. Similarly, for our repurchase/reverse repurchase transactions, we have the option to report recognized assets and liabilities subject to a master netting agreement on a net basis if certain qualifying criteria are met. At March 31, 2019, these instruments are reported as gross assets and gross liabilities on the Condensed Consolidated Balance Sheet.

52

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The composition of offsetting derivative instruments, financial assets, and financial liabilities was as follows.

	Gross amounts of recognized assets/liabilities		Gross amounts offset on the Condensed Consolidated Balance Sheet		Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet
							Gross amounts not offset on the Condensed Consolidated Balance Sheet
March 31, 2019($ in millions)							Financial instruments			Collateral (a) (b) (c)			Net amount
Assets
Derivative assets in net asset positions (d)	$	20	$	—	$	20	$	(1	)	$	(1	)	$	18
Derivative assets with no offsetting arrangements	2		—		2		—			—			2
Total assets	$	22	$	—	$	22	$	(1	)	$	(1	)	$	20
Liabilities
Derivative liabilities in net liability positions (d)	$	20	$	—	$	20	$	—		$	(1	)	$	19
Derivative liabilities in net asset positions	1		—		1		(1		)	—			—
Total derivative liabilities (d)	21		—		21		(1		)	(1		)	19
Securities sold under agreements to repurchase (e)	854		—		854		—			(854		)	—
Total liabilities	$	875	$	—	$	875	$	(1	)	$	(855	)	$	19

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. There was $3 million of noncash collateral associated with our repurchase agreements pledged to us that was excluded at March 31, 2019. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $3 million at March 31, 2019. We have not sold or pledged any of the noncash collateral received under these agreements as of March 31, 2019.

(d) For additional information on derivative instruments and hedging activities, refer to Note 17.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

	Gross amounts of recognized assets/liabilities		Gross amounts offset on the Condensed Consolidated Balance Sheet		Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet
							Gross amounts not offset on the Condensed Consolidated Balance Sheet
December 31, 2018 ($ in millions)							Financial instruments		Collateral (a) (b) (c)			Net amount
Assets
Derivative assets in net asset positions	$	41	$	—	$	41	$	—	$	(4	)	$	37
Total assets (d)	$	41	$	—	$	41	$	—	$	(4	)	$	37
Liabilities
Derivative liabilities in net liability positions (d)	$	37	$	—	$	37	$	—	$	—		$	37
Securities sold under agreements to repurchase (e)	685		—		685		—		(685		)	—
Total liabilities	$	722	$	—	$	722	$	—	$	(685	)	$	37

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. There was $3 million of noncash derivative collateral, and $4 million of noncash collateral associated with our repurchase agreements, pledged to us that was excluded at December 31, 2018. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $7 million at December 31, 2018. We have not sold or pledged any of the noncash collateral received under these agreements as of December 31, 2018.

(d) For additional information on derivative instruments and hedging activities, refer to Note 17.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

53

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

21.    Segment Information

Operating segments are defined as components of an enterprise that engage in business activity from which revenues are earned and expenses incurred for which discrete financial information is available that is evaluated regularly by our chief operating decision maker in deciding how to allocate resources and in assessing performance.

We report our results of operations on a business-line basis through four operating segments: Automotive Finance operations, Insurance operations, Mortgage Finance operations, and Corporate Finance operations, with the remaining activity reported in Corporate and Other. The operating segments are determined based on the products and services offered, and reflect the manner in which financial information is currently evaluated by management. The following is a description of each of our reportable operating segments.

Automotive Finance operations— One of the largest full service automotive finance operations in the United States providing automotive financing services to consumers, automotive dealers, companies, and municipalities. Our automotive finance services include providing retail installment sales contracts, loans and operating leases, offering term loans to dealers, financing dealer floorplans and other lines of credit to dealers, warehouse lines to automotive retailers, fleet financing, providing financing to companies and municipalities for the purchase or lease of vehicles, and vehicle-remarketing services.

Insurance operations — A complementary automotive-focused business offering both consumer finance protection and insurance products sold primarily through the automotive dealer channel, and commercial insurance products sold directly to dealers. As part of our focus on offering dealers a broad range of consumer financial and insurance products, we provide VSCs, VMCs, and GAP products. We also underwrite select commercial insurance coverages, which primarily insure dealers’ vehicle inventory.

Mortgage Finance operations — Primarily consists of the management of a held-for-investment consumer mortgage finance loan portfolio, which includes bulk purchases of high-quality jumbo and low-to-moderate income (LMI) mortgage loans originated by third parties. Our direct-to-consumer mortgage offering, named Ally Home, consists of a variety of jumbo and conforming fixed- and adjustable-rate mortgage products with the assistance of a third-party fulfillment provider. Jumbo mortgage loans are generally held on our balance sheet and are accounted for as held-for-investment. Conforming mortgage loans are generally originated as held-for-sale and then sold to the fulfillment provider, and we retain no mortgage servicing rights associated with those loans that are sold.

Corporate Finance operations — Primarily provides senior secured leveraged cash flow and asset-based loans to mostly U.S.-based middle-market companies. Our primary focus is on businesses owned by private equity sponsors with loans typically used for leveraged buyouts, mergers and acquisitions, debt refinancing, restructurings, and working capital. We also offer a commercial real estate product to serve companies in the healthcare industry.

Corporate and Other primarily consists of centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, original issue discount, and the residual impacts of our corporate funds-transfer pricing (FTP) and treasury asset liability management (ALM) activities. Corporate and Other also includes certain equity investments, which primarily consist of FHLB and FRB stock, the management of our legacy mortgage portfolio, which primarily consists of loans originated prior to January 1, 2009, and reclassifications and eliminations between the reportable operating segments. Additionally, financial results related to Ally Invest are currently included within Corporate and Other.

We utilize an FTP methodology for the majority of our business operations. The FTP methodology assigns charge rates and credit rates to classes of assets and liabilities based on expected duration and the benchmark rate curve plus an assumed credit spread. Matching duration allocates interest income and interest expense to these reportable segments so their respective results are insulated from interest rate risk. This methodology is consistent with our ALM practices, which includes managing interest rate risk centrally at a corporate level. The net residual impact of the FTP methodology is included within the results of Corporate and Other.

The information presented in our reportable operating segments is based in part on internal allocations, which involve management judgment.

54

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other			Consolidated (a)
2019
Net financing revenue and other interest income	$	980	$	12	$	50	$	54	$	36		$	1,132
Other revenue	68		360		2		11		25			466
Total net revenue	1,048		372		52		65		61			1,598
Provision for loan losses	262		—		2		23		(5		)	282
Total noninterest expense	457		227		37		29		80			830
Income (loss) from continuing operations before income tax expense	$	329	$	145	$	13	$	13	$	(14	)	$	486
Total assets	$	115,789	$	8,179	$	16,301	$	5,006	$	34,842		$	180,117
2018
Net financing revenue and other interest income	$	909	$	12	$	43	$	46	$	39		$	1,049
Other revenue	66		246		1		8		33			354
Total net revenue	975		258		44		54		72			1,403
Provision for loan losses	259		—		2		—		—			261
Total noninterest expense	448		231		34		25		76			814
Income (loss) from continuing operations before income tax expense	$	268	$	27	$	8	$	29	$	(4	)	$	328
Total assets	$	114,934	$	7,557	$	12,780	$	4,375	$	30,375		$	170,021

(a) Net financing revenue and other interest income after the provision for loan losses totaled $850 million and $788 million for the three months endedMarch 31, 2019, and March 31, 2018, respectively.

22.    Parent and Guarantor Condensed Consolidating Financial Statements

Certain of our senior notes issued by the parent are guaranteed by 100% directly owned subsidiaries of Ally (the Guarantors). As of March 31, 2019, the Guarantors include Ally US LLC and IB Finance Holding Company, LLC (IB Finance), each of which fully and unconditionally guarantee the senior notes on a joint and several basis.

The following financial statements present condensed consolidating financial data for (i) Ally Financial Inc. (on a parent company-only basis); (ii) the Guarantors; (iii) the nonguarantor subsidiaries (all other subsidiaries); and (iv) a column for adjustments to arrive at (v) the information for the parent company, the Guarantors, and nonguarantors on a consolidated basis.

Investment in subsidiaries is accounted for by the parent company and the Guarantors using the equity method for this presentation. Results of operations of subsidiaries are therefore classified in the parent company’s and Guarantors’ investment in subsidiaries accounts. The elimination entries set forth in the following condensed consolidating financial statements eliminate distributed and undistributed income of subsidiaries, investment in subsidiaries, and intercompany balances and transactions between the parent, the Guarantors, and nonguarantors.

55

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Condensed Consolidating Statements of Comprehensive Income

Three months ended March 31, 2019($ in millions)	Parent			Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	(60	)	$	—	$	1,867	$	—		$	1,807
Interest and fees on finance receivables and loans — intercompany	3			—		2		(5		)	—
Interest on loans held-for-sale	—			—		2		—			2
Interest and dividends on investment securities and other earning assets	—			—		240		—			240
Interest on cash and cash equivalents	2			—		21		—			23
Interest-bearing cash — intercompany	2			—		3		(5		)	—
Operating leases	2			—		359		—			361
Total financing (loss) revenue and other interest income	(51		)	—		2,494		(10		)	2,433
Interest expense
Interest on deposits	—			—		592		—			592
Interest on short-term borrowings	13			—		31		—			44
Interest on long-term debt	211			—		208		—			419
Interest on intercompany debt	5			—		5		(10		)	—
Total interest expense	229			—		836		(10		)	1,055
Net depreciation expense on operating lease assets	1			—		245		—			246
Net financing (loss) revenue	(281		)	—		1,413		—			1,132
Cash dividends from subsidiaries
Bank subsidiary	400			400		—		(800		)	—
Nonbank subsidiaries	42			—		—		(42		)	—
Other revenue
Insurance premiums and service revenue earned	—			—		261		—			261
Gain on mortgage and automotive loans, net	4			—		6		—			10
Other gain on investments, net	—			—		108		—			108
Other income, net of losses	103			—		144		(160		)	87
Total other revenue	107			—		519		(160		)	466
Total net revenue	268			400		1,932		(1,002		)	1,598
Provision for loan losses	27			—		272		(17		)	282
Noninterest expense
Compensation and benefits expense	12			—		306		—			318
Insurance losses and loss adjustment expenses	—			—		59		—			59
Other operating expenses	155			—		458		(160		)	453
Total noninterest expense	167			—		823		(160		)	830
Income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	74			400		837		(825		)	486
Income tax (benefit) expense from continuing operations	(61		)	—		172		—			111
Net income from continuing operations	135			400		665		(825		)	375
Loss from discontinued operations, net of tax	(1		)	—		—		—			(1		)
Undistributed income of subsidiaries
Bank subsidiary	57			57		—		(114		)	—
Nonbank subsidiaries	183			—		—		(183		)	—
Net income	374			457		665		(1,122		)	374
Other comprehensive income, net of tax	306			229		320		(549		)	306
Comprehensive income	$	680		$	686	$	985	$	(1,671	)	$	680

56

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, 2018($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	11		$	—		$	1,532		$	—		$	1,543
Interest and fees on finance receivables and loans — intercompany	2			—			1			(3		)	—
Interest and dividends on investment securities and other earning assets	—			—			176			—			176
Interest on cash and cash equivalents	2			—			14			(1		)	15
Interest-bearing cash — intercompany	2			—			2			(4		)	—
Operating leases	2			—			380			—			382
Total financing revenue and other interest income	19			—			2,105			(8		)	2,116
Interest expense
Interest on deposits	—			—			354			(3		)	351
Interest on short-term borrowings	10			—			22			—			32
Interest on long-term debt	258			—			153			—			411
Interest on intercompany debt	3			—			2			(5		)	—
Total interest expense	271			—			531			(8		)	794
Net depreciation expense on operating lease assets	4			—			269			—			273
Net financing (loss) revenue	(256		)	—			1,305			—			1,049
Cash dividends from subsidiaries
Bank subsidiary	1,000			1,000			—			(2,000		)	—
Nonbank subsidiaries	169			—			—			(169		)	—
Other revenue
Insurance premiums and service revenue earned	—			—			256			—			256
Gain on mortgage and automotive loans, net	28			—			1			(28		)	1
Other loss on investments, net	—			—			(12		)	—			(12		)
Other income, net of losses	96			—			221			(208		)	109
Total other revenue	124			—			466			(236		)	354
Total net revenue	1,037			1,000			1,771			(2,405		)	1,403
Provision for loan losses	81			—			208			(28		)	261
Noninterest expense
Compensation and benefits expense	23			—			283			—			306
Insurance losses and loss adjustment expenses	—			—			63			—			63
Other operating expenses	182			—			471			(208		)	445
Total noninterest expense	205			—			817			(208		)	814
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	751			1,000			746			(2,169		)	328
Income tax (benefit) expense from continuing operations	(56		)	—			132			—			76
Net income from continuing operations	807			1,000			614			(2,169		)	252
Loss from discontinued operations, net of tax	(1		)	—			(1		)	—			(2		)
Undistributed (loss) income of subsidiaries
Bank subsidiary	(597		)	(597		)	—			1,194			—
Nonbank subsidiaries	41			—			—			(41		)	—
Net income	250			403			613			(1,016		)	250
Other comprehensive loss, net of tax	(328		)	(276		)	(339		)	615			(328		)
Comprehensive (loss) income	$	(78	)	$	127		$	274		$	(401	)	$	(78	)

57

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Condensed Consolidating Balance Sheet

March 31, 2019($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	45		$	—	$	901		$	—		$	946
Interest-bearing	14			—		2,997			—			3,011
Interest-bearing — intercompany	1,345			—		697			(2,042		)	—
Total cash and cash equivalents	1,404			—		4,595			(2,042		)	3,957
Equity securities	—			—		536			—			536
Available-for-sale securities	—			—		27,630			—			27,630
Held-to-maturity securities	—			—		2,404			(17		)	2,387
Loans held-for-sale, net	—			—		107			—			107
Finance receivables and loans, net
Finance receivables and loans, net	2,109			—		127,928			18			130,055
Intercompany loans to
Nonbank subsidiaries	372			—		104			(476		)	—
Allowance for loan losses	(36		)	—		(1,252		)	—			(1,288		)
Total finance receivables and loans, net	2,445			—		126,780			(458		)	128,767
Investment in operating leases, net	3			—		8,336			—			8,339
Intercompany receivables from
Bank subsidiary	104			—		—			(104		)	—
Nonbank subsidiaries	46			—		110			(156		)	—
Investment in subsidiaries
Bank subsidiary	16,499			16,499		—			(32,998		)	—
Nonbank subsidiaries	6,687			—		—			(6,687		)	—
Premiums receivable and other insurance assets	—			—		2,401			—			2,401
Other assets	2,292			—		5,440			(1,739		)	5,993
Total assets	$	29,480		$	16,499	$	178,339		$	(44,201	)	$	180,117
Liabilities and equity
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	141		$	—		$	141
Interest-bearing	—			—		113,158			—			113,158
Interest-bearing — intercompany	—			—		1,345			(1,345		)	—
Total deposit liabilities	—			—		114,644			(1,345		)	113,299
Short-term borrowings	2,486			—		3,629			—			6,115
Long-term debt	11,887			—		29,603			—			41,490
Intercompany debt to
Bank subsidiary	17			—		—			(17		)	—
Nonbank subsidiaries	801			—		372			(1,173		)	—
Intercompany payables to
Bank subsidiary	46			—		—			(46		)	—
Nonbank subsidiaries	108			—		113			(221		)	—
Interest payable	218			—		478			—			696
Unearned insurance premiums and service revenue	—			—		3,096			—			3,096
Accrued expenses and other liabilities	218			—		3,236			(1,732		)	1,722
Total liabilities	15,781			—		155,171			(4,534		)	166,418
Total equity	13,699			16,499		23,168			(39,667		)	13,699
Total liabilities and equity	$	29,480		$	16,499	$	178,339		$	(44,201	)	$	180,117

58

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

December 31, 2018 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	55		$	—	$	755		$	—		$	810
Interest-bearing	5			—		3,722			—			3,727
Interest-bearing — intercompany	1,249			—		521			(1,770		)	—
Total cash and cash equivalents	1,309			—		4,998			(1,770		)	4,537
Equity securities	—			—		773			—			773
Available-for-sale securities	—			—		25,303			—			25,303
Held-to-maturity securities	—			—		2,382			(20		)	2,362
Loans held-for-sale, net	—			—		314			—			314
Finance receivables and loans, net
Finance receivables and loans, net	2,349			—		127,577			—			129,926
Intercompany loans to
Nonbank subsidiaries	882			—		397			(1,279		)	—
Allowance for loan losses	(55		)	—		(1,187		)	—			(1,242		)
Total finance receivables and loans, net	3,176			—		126,787			(1,279		)	128,684
Investment in operating leases, net	5			—		8,412			—			8,417
Intercompany receivables from
Bank subsidiary	158			—		—			(158		)	—
Nonbank subsidiaries	45			—		129			(174		)	—
Investment in subsidiaries
Bank subsidiary	16,213			16,213		—			(32,426		)	—
Nonbank subsidiaries	6,928			—		—			(6,928		)	—
Premiums receivable and other insurance assets	—			—		2,326			—			2,326
Other assets	2,226			—		5,453			(1,526		)	6,153
Total assets	$	30,060		$	16,213	$	176,877		$	(44,281	)	$	178,869
Liabilities and equity
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	142		$	—		$	142
Interest-bearing	1			—		106,035			—			106,036
Interest-bearing — intercompany	—			—		1,249			(1,249		)	—
Total deposit liabilities	1			—		107,426			(1,249		)	106,178
Short-term borrowings	2,477			—		7,510			—			9,987
Long-term debt	12,774			—		31,419			—			44,193
Intercompany debt to
Bank subsidiary	20			—		—			(20		)	—
Nonbank subsidiaries	918			—		882			(1,800		)	—
Intercompany payables to
Bank subsidiary	45			—		—			(45		)	—
Nonbank subsidiaries	124			—		129			(253		)	—
Interest payable	159			—		364			—			523
Unearned insurance premiums and service revenue	—			—		3,044			—			3,044
Accrued expenses and other liabilities	274			—		2,962			(1,560		)	1,676
Total liabilities	16,792			—		153,736			(4,927		)	165,601
Total equity	13,268			16,213		23,141			(39,354		)	13,268
Total liabilities and equity	$	30,060		$	16,213	$	176,877		$	(44,281	)	$	178,869

59

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Condensed Consolidating Statement of Cash Flows

Three months ended March 31, 2019($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash provided by operating activities	$	155		$	400		$	1,369		$	(843	)	$	1,081
Investing activities
Purchases of equity securities	—			—			(48		)	—			(48		)
Proceeds from sales of equity securities	—			—			383			—			383
Purchases of available-for-sale securities	—			—			(3,401		)	—			(3,401		)
Proceeds from sales of available-for-sale securities	—			—			656			—			656
Proceeds from repayments of available-for-sale securities	—			—			694			—			694
Purchases of held-to-maturity securities	—			—			(131		)	—			(131		)
Proceeds from repayments of held-to-maturity securities	—			—			44			—			44
Net change in investment securities — intercompany	—			—			3			(3		)	—
Purchases of finance receivables and loans held-for-investment	—			—			(1,843		)	391			(1,452		)
Proceeds from sales of finance receivables and loans initially held-for-investment	402			—			146			(391		)	157
Originations and repayments of finance receivables and loans held-for-investment and other, net	301			—			848			—			1,149
Net change in loans — intercompany	507			—			290			(797		)	—
Purchases of operating lease assets	—			—			(792		)	—			(792		)
Disposals of operating lease assets	1			—			623			—			624
Capital contributions to subsidiaries	(1		)	—			—			1			—
Returns of contributed capital	15			—			—			(15		)	—
Net change in nonmarketable equity investments	(1		)	—			172			—			171
Other, net	—			—			(94		)	(1		)	(95		)
Net cash provided by (used in) investing activities	1,224			—			(2,450		)	(815		)	(2,041		)
Financing activities
Net change in short-term borrowings — third party	9			—			(3,881		)	—			(3,872		)
Net (decrease) increase in deposits	(1		)	—			7,211			(96		)	7,114
Proceeds from issuance of long-term debt — third party	7			—			1,759			—			1,766
Repayments of long-term debt — third party	(900		)	—			(3,590		)	—			(4,490		)
Net change in debt — intercompany	(118		)	—			(507		)	625			—
Repurchase of common stock	(211		)	—			—			—			(211		)
Dividends paid — third party	(70		)	—			—			—			(70		)
Dividends paid and returns of contributed capital — intercompany	—			(400		)	(458		)	858			—
Capital contributions from parent	—			—			1			(1		)	—
Net cash (used in) provided by financing activities	(1,284		)	(400		)	535			1,386			237
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	—			—			1			—			1
Net increase (decrease) in cash and cash equivalents and restricted cash	95			—			(545		)	(272		)	(722		)
Cash and cash equivalents and restricted cash at beginning of year	1,398			—			5,998			(1,770		)	5,626
Cash and cash equivalents and restricted cash at March 31,	$	1,493		$	—		$	5,453		$	(2,042	)	$	4,904

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, 2019($ in millions)	Parent		Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	1,404	$	—	$	4,595	$	(2,042	)	$	3,957
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	89		—		858		—			947
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	1,493	$	—	$	5,453	$	(2,042	)	$	4,904

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

60

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, 2018($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash provided by operating activities	$	456		$	1,000		$	1,812		$	(2,171	)	$	1,097
Investing activities
Purchases of equity securities	—			—			(374		)	—			(374		)
Proceeds from sales of equity securities	—			—			220			—			220
Purchases of available-for-sale securities	—			—			(2,360		)	—			(2,360		)
Proceeds from sales of available-for-sale securities	—			—			328			—			328
Proceeds from repayments of available-for-sale securities	—			—			795			—			795
Purchases of held-to-maturity securities	—			—			(155		)	—			(155		)
Proceeds from repayments of held-to-maturity securities	—			—			35			—			35
Net change in investment securities — intercompany	—			—			9			(9		)	—
Purchases of finance receivables and loans held-for-investment	—			—			(2,317		)	820			(1,497		)
Proceeds from sales of finance receivables and loans initially held-for-investment	820			—			—			(820		)	—
Originations and repayments of finance receivables and loans held-for-investment and other, net	432			—			(1,732		)	—			(1,300		)
Net change in loans — intercompany	(423		)	—			1			422			—
Purchases of operating lease assets	—			—			(969		)	—			(969		)
Disposals of operating lease assets	4			—			972			—			976
Capital contributions to subsidiaries	(49		)	(6		)	—			55			—
Returns of contributed capital	38			—			—			(38		)	—
Net change in nonmarketable equity investments	—			—			(19		)	—			(19		)
Other, net	(3		)	—			(80		)	1			(82		)
Net cash provided by (used in) investing activities	819			(6		)	(5,646		)	431			(4,402		)
Financing activities
Net change in short-term borrowings — third party	(214		)	—			(1,634		)	—			(1,848		)
Net (decrease) increase in deposits	(6		)	—			3,776			403			4,173
Proceeds from issuance of long-term debt — third party	15			—			6,650			—			6,665
Repayments of long-term debt — third party	(1,152		)	—			(4,619		)	—			(5,771		)
Net change in debt — intercompany	(127		)	—			422			(295		)	—
Repurchase of common stock	(185		)	—			—			—			(185		)
Dividends paid — third party	(58		)	—			—			—			(58		)
Dividends paid and returns of contributed capital — intercompany	—			(1,000		)	(1,208		)	2,208			—
Capital contributions from parent	—			6			49			(55		)	—
Net cash (used in) provided by financing activities	(1,727		)	(994		)	3,436			2,261			2,976
Effect of exchange-rate changes on cash and cash equivalents	—			—			(2		)	—			(2		)
Net decrease in cash and cash equivalents and restricted cash	(452		)	—			(400		)	521			(331		)
Cash and cash equivalents and restricted cash at beginning of year	1,395			—			5,707			(1,833		)	5,269
Cash and cash equivalents and restricted cash at March 31,	$	943		$	—		$	5,307		$	(1,312	)	$	4,938

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, 2018 ($ in millions)	Parent		Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	796	$	—	$	4,237	$	(1,312	)	$	3,721
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	147		—		1,070		—			1,217
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	943	$	—	$	5,307	$	(1,312	)	$	4,938

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

61

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

23.    Contingencies and Other Risks

Ally and its subsidiaries, including Ally Bank, are or may be subject to potential liability in connection with pending or threatened legal proceedings and other matters. These legal matters may be formal or informal and include litigation and arbitration with one or more identified claimants, certified or purported class actions with yet-to-be-identified claimants, and regulatory or other governmental information-gathering requests, examinations, investigations, and enforcement proceedings. Our legal matters exist in varying stages of adjudication, arbitration, negotiation, or investigation and span our business lines and operations. Claims may be based in law or equity—such as those arising under contracts or in tort and those involving banking, consumer-protection, securities, tax, employment, and other laws—and some can present novel legal theories and allege substantial or indeterminate damages.

Ally and its subsidiaries, including Ally Bank, also are or may be subject to potential liability under other contingent exposures, including indemnification, tax, self-insurance, and other miscellaneous contingencies.

We accrue for a legal matter or other contingent exposure when a loss becomes probable and the amount of loss can be reasonably estimated. Accruals are evaluated each quarter and may be adjusted, upward or downward, based on our best judgment after consultation with counsel. No assurance exists that our accruals will not need to be adjusted in the future. When a probable or reasonably possible loss on a legal matter or other contingent exposure could be material to our consolidated financial condition, results of operations, or cash flows, we provide disclosure in this note as prescribed by ASC 450, Contingencies. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information related to our policy for establishing accruals.

The course and outcome of legal matters are inherently unpredictable. This is especially so when a matter is still in its early stages, the damages sought are indeterminate or unsupported, significant facts are unclear or disputed, novel questions of law or other meaningful legal uncertainties exist, a request to certify a proceeding as a class action is outstanding or granted, multiple parties are named, or regulatory or other governmental entities are involved. Other contingent exposures and their ultimate resolution are similarly unpredictable for reasons that can vary based on the circumstances.

As a result, we often are unable to determine how or when threatened or pending legal matters and other contingent exposures will be resolved and what losses may be incrementally and ultimately incurred. Actual losses may be higher or lower than any amounts accrued or estimated for those matters and other exposures, possibly to a significant degree.

Subject to the foregoing, based on our current knowledge and after consultation with counsel, we do not believe that the ultimate outcomes of currently threatened or pending legal matters and other contingent exposures are likely to be material to our consolidated financial condition after taking into account existing accruals. In light of the uncertainties inherent in these matters and other exposures, however, one or more of them could be material to our results of operations or cash flows during a particular reporting period, depending on factors such as the amount of the loss or liability and the level of our income for that period.

24.    Subsequent Events

Declaration of Quarterly Dividend

On April 14, 2019, the Board declared a quarterly cash dividend of $0.17 per share on all common stock. The dividend is payable on May 15, 2019, to stockholders of record at the close of business on May 1, 2019.

62

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

Selected Financial Data

The selected historical financial information set forth below should be read in conjunction with Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A), and our Condensed Consolidated Financial Statements and the notes thereto. The historical financial information presented may not be indicative of our future performance.

The following table presents selected Condensed Consolidated Statement of Comprehensive Income and earnings per common share data.

	Three months ended March 31,
($ in millions, except per share data; shares in thousands)	2019			2018
Total financing revenue and other interest income	$	2,433		$	2,116
Total interest expense	1,055			794
Net depreciation expense on operating lease assets	246			273
Net financing revenue and other interest income	1,132			1,049
Total other revenue	466			354
Total net revenue	1,598			1,403
Provision for loan losses	282			261
Total noninterest expense	830			814
Income from continuing operations before income tax expense	486			328
Income tax expense from continuing operations	111			76
Net income from continuing operations	375			252
Loss from discontinued operations, net of tax	(1		)	(2		)
Net income	$	374		$	250
Basic earnings per common share (a):
Net income from continuing operations	$	0.93		$	0.58
Net income	0.93			0.57
Weighted-average common shares outstanding	404,129			436,213
Diluted earnings per common share (a):
Net income from continuing operations	$	0.92		$	0.57
Net income	0.92			0.57
Weighted-average common shares outstanding	405,959			438,931
Common share information:
Cash dividends declared per common share	$	0.17		$	0.13
Period-end common shares outstanding	399,761			432,691

(a) Includes shares related to share-based compensation that vested but were not yet issued.

63

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following tables present selected Condensed Consolidated Balance Sheet and ratio data.

March 31, ($ in millions)	2019		2018
Selected period-end balance sheet data:
Total assets	$	180,117	$	170,021
Total deposit liabilities	$	113,299	$	97,446
Long-term debt	$	41,490	$	45,076
Total equity	$	13,699	$	13,082

	Three months ended March 31,
	2019		2018
Financial ratios:
Return on average assets (a)	0.85	%	0.61	%
Return on average equity (a)	11.37	%	7.68	%
Equity to assets (a)	7.51	%	7.88	%
Common dividend payout ratio (b)	18.28	%	22.81	%
Net interest spread (a) (c)	2.46	%	2.48	%
Net yield on interest-earning assets (a) (d)	2.67	%	2.64	%

(a) The ratios were based on average assets and average equity using a combination of monthly and daily average methodologies.

(b) Common dividend payout ratio was calculated using basic earnings per common share.

(c) Net interest spread represents the difference between the rate on total interest-earning assets and the rate on total interest-bearing liabilities, excluding discontinued operations for the periods shown.

(d) Net yield on interest-earning assets represents annualized net financing revenue and other interest income as a percentage of total interest-earning assets.

64

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

As of January 1, 2015, Ally became subject to the rules implementing the 2010 Basel III capital framework in the United States (U.S. Basel III), which reflect new and higher capital requirements, capital buffers, and new regulatory capital definitions, deductions and adjustments. Certain aspects of U.S. Basel III, including the new capital buffers, were subject to a phase-in period through December 31, 2018. To assess our capital adequacy against the full impact of U.S. Basel III, we also present “fully phased-in” information that reflects regulatory capital rules that took effect at the conclusion of the transition period. Refer to Note 16 to the Condensed Consolidated Financial Statements for further information. The following table presents selected regulatory capital data.

	March 31, 2019						March 31, 2018
($ in millions)	Transitional			Fully phased-in (a)			Transitional			Fully phased-in (a)
Common Equity Tier 1 capital ratio	9.33		%	9.32		%	9.26		%	9.24		%
Tier 1 capital ratio	10.99		%	10.98		%	10.98		%	10.96		%
Total capital ratio	12.54		%	12.53		%	12.57		%	12.55		%
Tier 1 leverage ratio (to adjusted quarterly average assets) (b)	9.02		%	9.02		%	9.26		%	9.26		%
Total equity	$	13,699		$	13,699		$	13,082		$	13,082
Goodwill and certain other intangibles	(283		)	(283		)	(292		)	(292		)
Deferred tax assets arising from net operating loss and tax credit carryforwards (c)	(56		)	(56		)	(309		)	(309		)
Other adjustments	243			243			598			598
Common Equity Tier 1 capital	13,603			13,603			13,079			13,079
Trust preferred securities	2,494			2,494			2,492			2,492
Other adjustments	(62		)	(62		)	(59		)	(59		)
Tier 1 capital	16,035			16,035			15,512			15,512
Qualifying subordinated debt and other instruments qualifying as Tier 2	1,031			1,031			1,029			1,029
Qualifying allowance for credit losses and other adjustments	1,226			1,226			1,219			1,219
Total capital	$	18,292		$	18,292		$	17,760		$	17,760
Risk-weighted assets (d)	$	145,865		$	145,984		$	141,246		$	141,561

(a) Our fully phased-in capital ratios are non-GAAP financial measures that management believes are important to the reader of the Condensed Consolidated Financial Statements but should be supplemental to, and not a substitute for, primary GAAP measures. The fully phased-in capital ratios are compared to the transitional capital ratios above. We believe these capital ratios are important because we believe investors, analysts, and banking regulators may assess our capital utilization and adequacy using these ratios. Additionally, presentation of these ratios allows readers to compare certain aspects of our capital utilization and adequacy on the same basis to other companies in the industry.

(b) Tier 1 leverage ratio equals Tier 1 capital divided by adjusted quarterly average total assets (which reflects adjustments for disallowed goodwill, certain intangible assets, and disallowed deferred tax assets).

(c) Contains deferred tax assets required to be deducted from capital under U.S. Basel III.

(d) Risk-weighted assets are defined by regulation and are generally determined by allocating assets and specified off-balance sheet exposures into various risk categories.

65

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Overview

Ally Financial Inc. (together with its consolidated subsidiaries unless the context otherwise requires, Ally, the Company,or we, us, or our) is a leading digital financial-services company. As a customer-centric company with passionate customer service and innovative financial solutions, we are relentlessly focused on “Doing It Right” and being a trusted financial-services provider to our consumer, commercial, and corporate customers. We are one of the largest full-service automotive finance operations in the country and offer a wide range of financial services and insurance products to dealerships and consumers. Our award-winning online bank (Ally Bank, Member FDIC and Equal Housing Lender) offers mortgage-lending services and a variety of deposit and other banking products, including savings, money-market, and checking accounts, certificates of deposit (CDs), and individual retirement accounts (IRAs). We also support the Ally CashBack Credit Card. Additionally, we offer securities-brokerage and investment-advisory services through Ally Invest. Our robust corporate finance business offers capital for equity sponsors and middle-market companies. We are a Delaware corporation and are registered as a bank holding company (BHC) under the Bank Holding Company Act of 1956, as amended, and a financial holding company under the Gramm-Leach-Bliley Act of 1999, as amended.

Discontinued Operations

During 2013 and 2012, certain disposal groups met the criteria to be presented as discontinued operations. The remaining activity relates to previous discontinued operations for which we continue to have wind-down, legal, and minimal operational costs. For all periods presented, the operating results for these operations have been removed from continuing operations. The MD&A has been adjusted to exclude discontinued operations unless otherwise noted.

Primary Business Lines

Dealer Financial Services, which includes our Automotive Finance and Insurance operations, Mortgage Finance, and Corporate Finance are our primary business lines. The following table summarizes the operating results excluding discontinued operations of each business line. Operating results for each of the business lines are more fully described in the MD&A sections that follow.

	Three months ended March 31,
($ in millions)	2019			2018			Favorable/(unfavorable) % change
Total net revenue
Dealer Financial Services
Automotive Finance	$	1,048		$	975		7
Insurance	372			258			44
Mortgage Finance	52			44			18
Corporate Finance	65			54			20
Corporate and Other	61			72			(15)
Total	$	1,598		$	1,403		14
Income (loss) from continuing operations before income tax expense
Dealer Financial Services
Automotive Finance	$	329		$	268		23
Insurance	145			27			n/m
Mortgage Finance	13			8			63
Corporate Finance	13			29			(55)
Corporate and Other	(14		)	(4		)	n/m
Total	$	486		$	328		48

n/m = not meaningful

• Our Dealer Financial Services is one of the largest full service automotive finance operations in the country and offers a wide range of financial services and insurance products to automotive dealerships and customers. Dealer Financial Services consists of two separate reportable segments—Automotive Finance and Insurance operations.

Our automotive finance services include purchasing retail installment sales contracts and operating leases from dealers, extending automotive loans directly to consumers, offering term loans to dealers, financing dealer floorplans and providing other lines of credit to dealers, supplying warehouse lines to automotive retailers, offering automotive-fleet financing, providing financing to companies and municipalities for the purchase or lease of vehicles, and supplying vehicle-remarketing services. Our success as an automotive finance provider is driven by the consistent and broad range of products and services we offer to dealers. The automotive marketplace is dynamic and evolving, and we are focused on meeting the needs of both our dealer and consumer customers and continuing to strengthen and expand upon approximately 4.4 million consumer accounts in our portfolio and

66

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

approximately 18,100 dealer relationships we have. Clearlane, our online automotive lender exchange, expands our direct-to-consumer capabilities and provides a digital platform for consumers seeking financing. Additionally, we continue to identify and cultivate relationships with automotive retailers including those with leading eCommerce platforms. We believe these actions will enable us to respond to the growing trends for a more streamlined and digital automotive financing process to serve both dealers and consumers.

The Growth channel was established to focus on developing dealer relationships beyond those relationships that primarily were developed through our role as a captive finance company for General Motors Company (GM) and Fiat Chrysler Automobiles US LLC (Chrysler). The Growth channel was expanded to include direct-to-consumer financing through Clearlane and other channels and our arrangements with online automotive retailers. We have established relationships with thousands of Growth channel dealers through our customer-centric approach and specialized incentive programs designed to drive loyalty amongst dealers to our products and services. The success of the Growth channel has been a key enabler to converting our business model from a focused captive finance company to a leading market competitor. In this channel, we currently have over 11,000 dealer relationships, of which approximately 88% are franchised dealers (including brands such as Ford, Nissan, Kia, Hyundai, Toyota, Honda, and others), or used vehicle only retailers that have a national presence.

Our Insurance operations offer both consumer finance protection and insurance products sold primarily through the automotive dealer channel, and commercial insurance products sold directly to dealers. We serve approximately 2.5 million end consumers and have active relationships with approximately 4,500 dealerships nationwide across Finance and Insurance (F&I) and Property and Casualty (P&C) products. As part of our focus on offering dealers a broad range of consumer financial and insurance products, we offer vehicle service contracts (VSCs), vehicle maintenance contracts (VMCs), guaranteed asset protection (GAP) products, and other ancillary products desired by consumers. We also underwrite selected commercial insurance coverages, which primarily insure dealers’ wholesale vehicle inventory. Ally Premier Protection is our flagship VSC offering, which provides coverage for new and used vehicles of virtually all makes and models. We also offer ClearGuard, on the SmartAuction platform, which is a protection product designed to minimize the risk to dealers from arbitration claims for eligible vehicles sold at auction. Additionally, we are the preferred VSC and protection plan provider for GM Canada.

• Our Mortgage Finance operations consist of the management of held-for-investment and held-for-sale consumer mortgage loan portfolios. Our held-for-investment portfolio includes bulk purchases of high-quality jumbo and low-to-moderate income (LMI) mortgage loans originated by third parties, and a direct-to-consumer mortgage offering under the Ally Home brand.

Through the bulk loan channel, we purchase loans from several qualified sellers including direct originators and large aggregators who have the financial capacity to support strong representations and warranties and the industry knowledge and experience to originate high-quality assets. Bulk purchases are made on a servicing-released basis, allowing us to directly oversee servicing activities and manage prepayments through retention modification or refinancing through our direct-to-consumer channel. During the three months endedMarch 31, 2019, we purchased $1.2 billion of mortgage loans that were originated by third parties. Our mortgage loan purchases are held-for-investment.

Through our direct-to-consumer channel, which was introduced late in 2016, we offer a variety of competitively-priced jumbo and conforming fixed- and adjustable-rate mortgage products through a third-party fulfillment provider. Under our current arrangement, our direct-to-consumer conforming mortgages are originated as held-for-sale and sold, while jumbo and LMI mortgages are originated as held-for-investment. Loans originated in the direct-to-consumer channel are sourced by existing Ally customer marketing, prospect marketing on third-party websites, and email or direct mail campaigns. In April of 2019, we announced a strategic partnership with Better.com which will deliver an enhanced end-to-end digital mortgage experience for our customers through our direct-to-consumer channel. Through this partnership, Better.com will conduct the processing, underwriting, and closing for Ally’s digital mortgage offering in a highly innovative, scalable, and cost-efficient manner. Ally and Better.com will initially pilot the technology in nine states this summer, with a nationwide platform expected to be available by the end of 2019.

The combination of our bulk portfolio purchase program and our direct-to-consumer strategy provides the capacity to expand revenue sources and further grow and diversify our finance receivable portfolio with an attractive asset class while also deepening relationships with existing Ally customers.

• Our Corporate Finance operations primarily provide senior secured leveraged cash flow and asset-based loans to mostly U.S.-based middle-market companies. We believe our growing deposit-based funding model, coupled with our expanded product offerings and deep industry relationships, provide an advantage over our competition, which includes other banks as well as publicly and privately held finance companies. Our Corporate Finance lending portfolio is generally composed of first-lien, first-out loans. Our primary focus is on businesses owned by private equity sponsors with loans typically used for leveraged buyouts, mergers and acquisitions, debt refinancing, expansions, restructurings, and working capital. The portfolio is well diversified across multiple industries including manufacturing, distribution, services, and other specialty sectors. These specialty sectors include our Technology Finance and Healthcare verticals. Our Technology Finance vertical provides financing solutions to venture capital-backed, technology-based companies. The Healthcare vertical provides financing across the healthcare spectrum including services, pharmaceutical distribution, manufacturing, and medical devices and supplies. Additionally, in late 2017, we launched a commercial real estate product focused on lending to skilled nursing facilities, senior housing, medical office buildings, and hospitals.

67

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

• Corporate and Other primarily consists of centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, original issue discount, and the residual impacts of our corporate funds-transfer pricing (FTP) and treasury asset liability management (ALM) activities. Corporate and Other also includes activity related to the Ally CashBack credit card, certain equity investments, which primarily consist of Federal Home Loan Bank (FHLB) and Federal Reserve Bank (FRB) stock, the management of our legacy mortgage portfolio, which primarily consists of loans originated prior to January 1, 2009, and reclassifications and eliminations between the reportable operating segments.

In May 2017, we launched Ally Invest, our digital brokerage and wealth management offering, which enables us to complement our competitive deposit products with low-cost investing through the platform we acquired from the June 2016 acquisition of TradeKing Group, Inc. (TradeKing). Through Ally Invest, we are able to offer a broader array of personal finance products through a fully-integrated digital consumer platform centered around self-directed products and digital advisory services. Our value proposition is based on the combination of attractive pricing, a broad product offering for active and passive investors, and outstanding client-focused and user-friendly customer service that is accessible twenty-four hours a day, seven days a week, via the phone, web or email—consistent with the Ally brand. Financial results related to our online brokerage operations are currently included within Corporate and Other.

We continue to invest in enhancing the customer experience with integrated features across product lines on our digital platform, build upon our strong brand and leverage our innovative culture. Upon launching our first ever enterprise-wide campaign themed “Do It Right,” we introduced a broad audience to our full suite of digital financial services, which emphasizes our relentless customer-centric focus and commitment to constantly create and reinvent our product offerings and digital experiences to meet the needs of consumers. Our product offerings and brand continue to gain traction in the marketplace, as demonstrated by industry recognition of our award-winning direct online bank and strong retention rates of our customer base.

68

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Consolidated Results of Operations

The following table summarizes our consolidated operating results excluding discontinued operations for the periods shown. Refer to the operating segment sections of the MD&A that follows for a more complete discussion of operating results by business line.

	Three months ended March 31,
($ in millions)	2019		2018			Favorable/(unfavorable) % change
Net financing revenue and other interest income
Total financing revenue and other interest income	$	2,433	$	2,116		15
Total interest expense	1,055		794			(33)
Net depreciation expense on operating lease assets	246		273			10
Net financing revenue and other interest income	1,132		1,049			8
Other revenue
Insurance premiums and service revenue earned	261		256			2
Gain on mortgage and automotive loans, net	10		1			n/m
Other gain (loss) on investments, net	108		(12		)	n/m
Other income, net of losses	87		109			(20)
Total other revenue	466		354			32
Total net revenue	1,598		1,403			14
Provision for loan losses	282		261			(8)
Noninterest expense
Compensation and benefits expense	318		306			(4)
Insurance losses and loss adjustment expenses	59		63			6
Other operating expenses	453		445			(2)
Total noninterest expense	830		814			(2)
Income from continuing operations before income tax expense	486		328			48
Income tax expense from continuing operations	111		76			(46)
Net income from continuing operations	$	375	$	252		49

n/m = not meaningful

We earned net income from continuing operations of $375 million for the three months endedMarch 31, 2019, compared to $252 million for the three months endedMarch 31, 2018. During the three months endedMarch 31, 2019, results were favorably impacted by higher net financing revenue across our lending operations, driven primarily by higher yields and growth in earning assets. Results were also favorably impacted by higher market values of equity investments primarily within our Insurance operations. These items were partially offset by higher interest expense driven by higher market rates and higher overall borrowing levels to support growth in our earning assets, higher provision for loan losses, and higher noninterest expense.

Net financing revenue and other interest income increased $83 million for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018. Within our Automotive Finance operations, consumer automotive financing revenue benefited from our continued focus to further drive capital optimization and expand risk-adjusted returns, higher benchmark rates, and higher average retail asset levels. Commercial automotive net financing revenue also increased due primarily to higher benchmark interest rates. Income from interest and dividends on investment securities and other earning assets, including cash and cash equivalents, increased$72 million for the three months endedMarch 31, 2019, compared to the same period in 2018, due to both higher yields and higher balances of investment securities as we continue to utilize this portfolio to manage liquidity and generate a stable source of income. Financing revenue and other interest income within our Mortgage Finance operations was favorably impacted by increased loan balances as a result of bulk purchases of high-quality jumbo and LMI mortgage loans and direct-to-consumer originations. Financing revenue and other interest income within our Corporate Finance operations was favorably impacted by our strategy to prudently grow assets and our product suite within existing verticals while selectively pursuing opportunities to broaden industry and product diversification. The increase to financing revenue and other interest income was partially offset by a 33% increase in total interest expense for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018. While we continue to shift borrowings toward more cost-effective deposit funding and reduce our dependence on market-based funding through reductions in higher-cost secured and unsecured debt, interest expense increased as a result of higher market rates across all funding sources. Additionally, our overall borrowing levels were higher to support the growth in our lending operations. Our total deposit liabilities increased$15.9 billion to $113.3 billion as of March 31, 2019, as compared to $97.4 billion as of March 31, 2018.

69

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Gain on mortgage and automotive loans was $10 million for the three months endedMarch 31, 2019, as compared to $1 million for the three months endedMarch 31, 2018. We continue to utilize whole-loan sales to proactively manage our credit exposure, asset levels, funding, and capital utilization, including the sale of previously written-down consumer automotive loans related to consumers in Chapter 13 bankruptcy, which resulted in $8 million of gains during the three months endedMarch 31, 2019.

Other gain on investments was $108 million for the three months endedMarch 31, 2019, compared to a loss of $12 million for the three months endedMarch 31, 2018. The gain on investments includes $70 million of unrealized gains due to changes in the fair value of our portfolio of equity securities for the three months endedMarch 31, 2019, compared to $40 million of unrealized losses due to changes in fair value of our portfolio of equity securities for the three months endedMarch 31, 2018.

Other income decreased $22 million for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018. The decrease was primarily due to lower income from certain equity hedging activities, lower remarketing income related to lower operating lease termination volume, and lower servicing fee income resulting from lower levels of off-balance sheet consumer automotive serviced loans.

The provision for loan losses was $282 million for the three months endedMarch 31, 2019, compared to $261 million for the three months endedMarch 31, 2018. The increase in provision for loan losses was primarily driven by increased reserves related to two loan exposures within our Corporate Finance operations. During the three months endedMarch 31, 2019, we continued to experience strong consumer credit performance driven by favorable macroeconomic conditions including low unemployment, as well as continued disciplined underwriting. Refer to the Risk Management section of this MD&A for further discussion on our provision for loan losses.

Noninterest expense was $830 million for the three months endedMarch 31, 2019, compared to $814 million for the three months endedMarch 31, 2018. The increase was driven by expenses related to supporting the growth of our consumer and commercial product suite. We continue to make investments in our technology platform to enhance the customer experience and expand our digital capabilities, and in marketing activities to promote brand awareness and drive retail deposit growth.

We recognized total income tax expense from continuing operations of $111 million for the three months endedMarch 31, 2019, compared to $76 million for the three months endedMarch 31, 2018. The increase in income tax expense for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018, was primarily driven by the tax effects of an increase in pretax earnings.

70

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Dealer Financial Services

Results for Dealer Financial Services are presented by reportable segment, which includes our Automotive Finance and Insurance operations.

Automotive Finance

Results of Operations

The following table summarizes the operating results of our Automotive Finance operations. The amounts presented are before the elimination of balances and transactions with our other reportable segments.

	Three months ended March 31,
($ in millions)	2019		2018		Favorable/(unfavorable) % change
Net financing revenue and other interest income
Consumer	$	1,130	$	1,012	12
Commercial	422		342		23
Loans held-for-sale	1		—		n/m
Operating leases	361		382		(5)
Other interest income	1		2		(50)
Total financing revenue and other interest income	1,915		1,738		10
Interest expense	689		556		(24)
Net depreciation expense on operating lease assets	246		273		10
Net financing revenue and other interest income	980		909		8
Other revenue
Gain on automotive loans, net	8		—		n/m
Other income	60		66		(9)
Total other revenue	68		66		3
Total net revenue	1,048		975		7
Provision for loan losses	262		259		(1)
Noninterest expense
Compensation and benefits expense	136		131		(4)
Other operating expenses	321		317		(1)
Total noninterest expense	457		448		(2)
Income from continuing operations before income tax expense	$	329	$	268	23
Total assets	$	115,789	$	114,934	1

n/m = not meaningful

Components of net operating lease revenue, included in amounts above, were as follows.

	Three months ended March 31,
($ in millions)	2019			2018			Favorable/(unfavorable) % change
Net operating lease revenue
Operating lease revenue	$	361		$	382		(5)
Depreciation expense
Depreciation expense on operating lease assets (excluding remarketing gains)	261			291			10
Remarketing gains, net	(15		)	(18		)	(17)
Net depreciation expense on operating lease assets	246			273			10
Total net operating lease revenue	$	115		$	109		6
Investment in operating leases, net	$	8,339		$	8,530		(2)

71

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table presents the average balance and yield of the loan and operating lease portfolios of our Automotive Financing operations.

	2019				2018
Three months ended March 31, ($ in millions)	Average balance (a)		Yield		Average balance		Yield
Finance receivables and loans, net (b)
Consumer automotive (c)	$	70,981	6.47	%	$	68,727	5.90	%
Commercial
Wholesale floorplan	29,990		4.83		29,359		3.83
Other commercial automotive (d)	5,565		4.74		6,104		4.32
Investment in operating leases, net (e)	8,389		5.56		8,629		5.12

(a) Average balances are calculated using a combination of monthly and daily average methodologies.

(b) Nonperforming finance receivables and loans are included in the average balances. For information on our accounting policies regarding nonperforming status, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

(c) Includes the effects of derivative financial instruments designated as hedges.

(d) Consists primarily of automotive dealer term loans, including those to finance dealership land and buildings, and dealer fleet financing.

(e) Yield includes gains on the sale of off-lease vehicles of $15 million and $18 million, for the three months endedMarch 31, 2019, and 2018, respectively. Excluding these gains on sale, the annualized yield would be 4.83% and 4.28% for the three months endedMarch 31, 2019, and 2018, respectively.

Our Automotive Finance operations earned income from continuing operations before income tax expense of $329 million for the three months endedMarch 31, 2019, compared to $268 million for the three months endedMarch 31, 2018. During the three months endedMarch 31, 2019, we continued to focus on driving capital optimization and expanding risk-adjusted returns. As a result, we experienced higher consumer loan financing revenue primarily due to an increase in consumer loan portfolio yields and asset levels. We also experienced higher commercial financing revenue due to higher yields resulting from higher benchmark interest rates. Results were unfavorably impacted by higher interest expense due primarily to higher benchmark rates.

Consumer loan financing revenue increased $118 million for the three months endedMarch 31, 2019, compared to the same period in 2018. The increase was primarily due to improved portfolio yields as a result of our continued focus on expanding risk-adjusted returns, higher benchmark rates, and higher average retail asset levels resulting from sustained asset growth, including a continued focus on the used-vehicle portfolio primarily through franchised dealers. Additionally, we have continued to identify and grow relationships with automotive retailers including those with leading eCommerce platforms. Through these actions we continue to optimize our origination mix, and achieve greater portfolio diversification.

Commercial loan financing revenue increased $80 million for the three months endedMarch 31, 2019, compared to the same period in 2018. The increase was primarily due to higher yields resulting from higher benchmark interest rates, and an increase in average outstanding floorplan assets resulting from an increase in average vehicle prices.

Interest expense was $689 million for the three months endedMarch 31, 2019, compared to $556 million in the same period in 2018. The increase was primarily due to higher funding costs as a result of a rising interest rate environment.

We recorded gains from the sale of automotive loans of $8 million for the three months endedMarch 31, 2019, compared to no gains for the same period in 2018. We continue to utilize whole-loan sales to proactively manage our credit exposure, asset levels, funding, and capital utilization, including the sale of previously written-down consumer automotive loans related to consumers in Chapter 13 bankruptcy.

Other income decreased 9% for the three months endedMarch 31, 2019, compared to the same period in 2018. The decrease was primarily due to a decrease in remarketing fee income resulting from lower operating lease termination volume, as well as a decrease in servicing fee income resulting from lower levels of off-balance sheet consumer automotive serviced loans.

Total net operating lease revenue increased $6 million for the three months endedMarch 31, 2019, compared to the same period in 2018. This increase was primarily due to a more favorable shift in portfolio mix of vehicle type. This was partially offset by a reduction in our outstanding portfolio of leased vehicles, primarily due to the runoff of our legacy GM operating lease portfolio, which was substantially wound-down as of June 30, 2018. Additionally, we recognized remarketing gains of $15 million for the three months endedMarch 31, 2019, compared to gains of $18 million for the same period in 2018. The decrease was primarily due to a lower number of terminated units, partially offset by higher gain per unit. Refer to the Operating Lease Residual Risk Management section of this MD&A for further discussion.

The provision for loan losses was $262 million for the three months endedMarch 31, 2019, compared to $259 million for the same period in 2018. While results continue to reflect strong consumer credit performance, the increase in provision for loan losses for the three months endedMarch 31, 2019, was primarily driven by reserve reductions during the three months ended March 31, 2018, as a result of lower than anticipated losses associated with prior year hurricane activity. Refer to the Risk Management section of this MD&A for further discussion.

72

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Automotive Financing Volume

Consumer Automotive Financing

For the three months endedMarch 31, 2019, our portfolio yield for consumer automotive loans increased 57 basis points relative to the three months endedMarch 31, 2018. We set our buy rates using a granular, risk-based methodology factoring in several variables including interest costs, projected net average annualized loss rates at the time of origination, anticipated operating costs, and targeted return on equity. The increases in rates on recent loan originations were primarily the result of higher benchmark rates and increased levels of used vehicle loan volume. Over the past several years, we have continued to focus on portfolio diversification and the used vehicle segment, primarily through franchised dealers, which has contributed to higher yields on our consumer automotive loan portfolio. Commensurate with this shift in origination mix, we continue to maintain consistent, disciplined underwriting within our new and used consumer automotive loan originations. The carrying value of our nonprime consumer automotive loans before allowance for loan losses was $8.3 billion at both March 31, 2019, and December 31, 2018, which constituted approximately 11.6% and 11.7% of our total consumer automotive loans, respectively.

The following table presents retail loan originations by credit tier and product type.

	Used retail				New retail
Credit Tier (a)	Volume ($ in billions)		% Share of volume	Average FICO®	Volume ($ in billions)		% Share of volume	Average FICO®
Three months ended March 31, 2019
S	$	1.4	27	739	$	1.5	48	745
A	2.1		40	677	1.1		36	675
B	1.3		25	644	0.4		13	642
C	0.4		8	610	0.1		3	611
Total retail originations	$	5.2	100	681	$	3.1	100	701
Three months ended March 31, 2018
S	$	1.4	29	739	$	1.8	50	748
A	2.0		42	673	1.2		33	675
B	1.1		23	641	0.5		14	644
C	0.3		6	606	0.1		3	612
Total retail originations	$	4.8	100	681	$	3.6	100	704

(a) Represents Ally’s internal credit score, incorporating numerous borrower and structure attributes including: severity and aging of delinquency; number of credit inquiries; loan-to-value (LTV) ratio; and payment-to-income ratio. We periodically update our underwriting scorecard, which can have an impact on our credit tier scoring. We originated an insignificant amount of retail loans classified below Tier C during the periods presented.

The following table presents the percentage of total retail loan originations, in dollars, by the loan term in months.

Three months ended March 31,	2019		2018
0–71	20	%	21	%
72–75	66		66
76 +	14		13
Total retail originations (a)	100	%	100	%

(a) Excludes RV loans.

Retail originations with a term of 76 months or more represented 14% of total retail originations for the three months endedMarch 31, 2019, compared to 13% for the three months endedMarch 31, 2018. Substantially all of the loans originated with a term of 76 months or more during the three months endedMarch 31, 2019, and 2018, were considered to be prime and in credit tiers S, A, or B. We define prime consumer automotive loans primarily as those loans with a FICO® Score (or an equivalent score) at origination of 620 or greater.

73

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table presents the percentage of total outstanding retail loans by origination year.

March 31,	2019		2018
Pre-2015	4	%	9	%
2015	9		17
2016	16		26
2017	24		36
2018	35		12
2019	12		—
Total	100	%	100	%

The 2019, 2018, and 2017 vintages comprise 71% of the overall retail portfolio as of March 31, 2019, and have higher average buy rates than older vintages.

The following tables present the total retail loan and operating lease origination dollars and percentage mix by product type and by channel.

	Consumer automotive financing originations				% Share of Ally originations
Three months ended March 31, ($ in millions)	2019		2018		2019	2018
Used retail	$	5,152	$	4,769	56	50
New retail standard	3,049		3,606		33	38
Lease	883		1,047		10	11
New retail subvented	67		42		1	1
Total consumer automotive financing originations (a)	$	9,151	$	9,464	100	100

(a) Includes Commercial Services Group (CSG) originations of $976 million and $992 million for the three months endedMarch 31, 2019, and 2018, respectively, and RV originations of $100 million for the three months endedMarch 31, 2018.

	Consumer automotive financing originations				% Share of Ally originations
Three months ended March 31, ($ in millions)	2019		2018		2019	2018
Growth channel	$	4,491	$	4,183	49	44
GM dealers	2,374		2,846		26	30
Chrysler dealers	2,286		2,435		25	26
Total consumer automotive financing originations	$	9,151	$	9,464	100	100

During the three months endedMarch 31, 2019, total consumer loan and operating lease originations decreased$313 million, compared to the same period in 2018. The decrease was primarily due to lower originations from the GM and Chrysler channels, which was slightly offset by increased originations from the Growth channel. Over the past several years we have continued to diversify our portfolio through the Growth channel, including increased levels of used vehicle loan volume which we view as an attractive asset class consistent with our continued focus on obtaining appropriate risk-adjusted returns.

We have included origination metrics by loan term and FICO® Score within this MD&A. However, the proprietary way we evaluate risk is based on multiple inputs as described in the section titled Automotive Financing Volume—Acquisition and Underwriting within the MD&A in our 2018 Annual Report on Form 10-K.

74

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table presents the percentage of retail loan and operating lease originations, in dollars, by FICO® Score and product type.

	Used retail				New retail				Lease
Three months ended March 31,	2019		2018		2019		2018		2019		2018
740 +	19	%	19	%	25	%	27	%	47	%	48	%
660–739	39		38		33		34		35		35
620–659	26		28		20		20		11		10
540–619	12		12		6		6		5		5
< 540	1		1		1		1		—		—
Unscored (a)	3		2		15		12		2		2
Total consumer automotive financing originations	100	%	100	%	100	%	100	%	100	%	100	%

(a) Unscored are primarily CSG contracts with business entities that have no FICO® Score.

Originations with a FICO® Score of less than 620 (considered nonprime) represented 10% of total consumer loan and operating lease originations for both the three months endedMarch 31, 2019, and 2018. Consumer loans and operating leases with FICO® Scores of less than 540 continued to comprise only 1% of total originations for the three months endedMarch 31, 2019. Nonprime applications that are not automatically declined by our proprietary credit-scoring models for risk reasons are manually reviewed and decisioned by an experienced underwriting team. The nonprime portfolio is subject to more stringent underwriting criteria for certain loan attributes (e.g., payment-to-income, mileage, and maximum amount financed) and generally does not include any loans with a term of 76 months or more. For discussion of our credit-risk-management practices and performance, refer to the section titled Risk Management.

For discussion of manufacturer marketing incentives, refer to the section titled Automotive Financing Volume—Manufacturer Marketing Incentives within the MD&A in our 2018 Annual Report on Form 10-K.

Commercial Wholesale Financing Volume

The following table presents the percentage of average balance of our commercial wholesale floorplan finance receivables, in dollars, by product type and by channel.

	Average balance
Three months ended March 31, ($ in millions)	2019			2018
GM new vehicles	40		%	43		%
Chrysler new vehicles	33			28
Growth new vehicles	14			15
Used vehicles	13			14
Total	100		%	100		%
Total commercial wholesale finance receivables	$	29,990		$	29,359

Average commercial wholesale financing receivables outstanding increased $631 million during the three months endedMarch 31, 2019, compared to the same period in 2018. The increase was primarily driven by higher average vehicle prices, partially offset by a reduction in the number of GM dealer relationships due to the competitive environment across the automotive lending market. Dealer inventory levels are dependent on a number of factors, including manufacturer production schedules and vehicle mix, sales incentives, and industry sales—all of which can influence future wholesale balances.

Other Commercial Automotive Financing

We also provide other forms of commercial financing for the automotive industry including automotive dealer term and revolving loans and automotive fleet financing. Automotive dealer term and revolving loans are loans that we make to dealers to finance other aspects of the dealership business, including acquisitions. These loans are usually secured by real estate or other dealership assets and are typically personally guaranteed by the individual owners of the dealership. Automotive fleet financing credit lines may be obtained by dealers, their affiliates, and other independent companies that are used to purchase vehicles, which they lease or rent to others. Other commercial automotive loans decreased 9% to an average of $5.6 billion for the three months endedMarch 31, 2019, compared to the same period in 2018.

75

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Insurance

Results of Operations

The following table summarizes the operating results of our Insurance operations. The amounts presented are before the elimination of balances and transactions with our other reportable segments.

	Three months ended March 31,
($ in millions)	2019			2018			Favorable/(unfavorable) % change
Insurance premiums and other income
Insurance premiums and service revenue earned	$	261		$	256		2
Interest and dividends on investment securities and cash and cash equivalents, net (a)	12			12			—
Other gain (loss) on investments, net (b)	95			(14		)	n/m
Other income	4			4			—
Total insurance premiums and other income	372			258			44
Expense
Insurance losses and loss adjustment expenses	59			63			6
Acquisition and underwriting expense
Compensation and benefits expense	21			21			—
Insurance commissions expense	114			110			(4)
Other expenses	33			37			11
Total acquisition and underwriting expense	168			168			—
Total expense	227			231			2
Income from continuing operations before income tax expense	$	145		$	27		n/m
Total assets	$	8,179		$	7,557		8
Insurance premiums and service revenue written	$	305		$	275		11
Combined ratio (c)	85.7		%	88.8		%

n/m = not meaningful

(a) Includes interest expense of $19 million and $16 million for the three months endedMarch 31, 2019, and 2018, respectively. The amount for the three months endedMarch 31, 2018, was adjusted to include $2 million of interest on cash and cash equivalents previously classified as other income to conform to the current period presentation.

(b) Includes net unrealized gains on equity investments of $65 million for the three months endedMarch 31, 2019, and net unrealized losses of $35 million for the three months endedMarch 31, 2018.

(c) Management uses a combined ratio as a primary measure of underwriting profitability. Underwriting profitability is indicated by a combined ratio under 100% and is calculated as the sum of all incurred losses and expenses (excluding interest and income tax expense) divided by the total of premiums and service revenues earned and other income.

Our Insurance operations earned income from continuing operations before income tax expense of $145 million for the three months endedMarch 31, 2019, compared to income of $27 million for the three months endedMarch 31, 2018. The increase for the three months endedMarch 31, 2019, was primarily driven by $95 million of gains related to equity investments, compared to $14 million of losses for the three months ended March 31, 2018.

Insurance premiums and service revenue earned was $261 million for the three months endedMarch 31, 2019, compared to $256 million for the three months endedMarch 31, 2018. The increase for the three months endedMarch 31, 2019, was primarily due to higher vehicle inventory insurance rates and portfolio growth.

Insurance losses and loss adjustment expenses totaled $59 million for the three months endedMarch 31, 2019, compared to $63 million for the same period in 2018. The decrease for the three months endedMarch 31, 2019, was primarily driven by lower weather-related losses, which contributed to a decline in the combined ratio to 85.7% for the three months endedMarch 31, 2019, compared to 88.8% for the three months endedMarch 31, 2018. In April 2019, we renewed our annual reinsurance program and continue to utilize this coverage to manage our risk of weather-related loss.

76

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Premium and Service Revenue Written

The following table summarizes premium and service revenue written by product.

	Three months ended March 31,
($ in millions)	2019			2018
Vehicle service contracts
New retail	$	100		$	107
Used retail	158			131
Reinsurance (a)	(55		)	(47		)
Total vehicle service contracts (b)	203			191
Vehicle inventory insurance (c)	76			62
Other (d)	26			22
Total	$	305		$	275

(a) Reinsurance represents the transfer of premiums and risk from an Ally insurance company to a third-party insurance company.

(b) VSC revenue is earned over the life of the service contract on a basis proportionate to the anticipated cost pattern.

(c) Vehicle inventory insurance includes dealer ancillary products.

(d) Other products include GAP coverage, VMCs, ClearGuard, and other ancillary products.

Insurance premiums and service revenue written was $305 million for the three months endedMarch 31, 2019, compared to $275 million for the same period in 2018. The increase for the three months endedMarch 31, 2019, was primarily due to growth in VSC and vehicle inventory insurance products, with continued momentum in the Growth channel, which represents our non-GM volume.

Cash and Investments

A significant aspect of our Insurance operations is the investment of proceeds from premiums and other revenue sources. We use these investments to satisfy our obligations related to future claims at the time these claims are settled. Our Insurance operations have an Investment Committee, which develops guidelines and strategies for these investments. The guidelines established by this committee reflect our risk appetite, liquidity requirements, regulatory requirements, and rating agency considerations, among other factors.

The following table summarizes the composition of our Insurance operations cash and investment portfolio at fair value.

($ in millions)	March 31, 2019		December 31, 2018
Cash
Noninterest-bearing cash	$	195	$	252
Interest-bearing cash	1,073		644
Total cash	1,268		896
Equity securities	525		766
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	533		460
U.S. States and political subdivisions	666		691
Foreign government	172		145
Agency mortgage-backed residential	923		758
Mortgage-backed residential	132		135
Corporate debt	1,294		1,241
Total available-for-sale securities	3,720		3,430
Total cash and securities	$	5,513	$	5,092

77

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Mortgage Finance

Results of Operations

The following table summarizes the activities of our Mortgage Finance operations. The amounts presented are before the elimination of balances and transactions with our reportable segments.

	Three months ended March 31,
($ in millions)	2019		2018		Favorable/(unfavorable) % change
Net financing revenue and other interest income
Total financing revenue and other interest income	$	146	$	105	39
Interest expense	96		62		(55)
Net financing revenue and other interest income	50		43		16
Gain on mortgage loans, net	2		1		100
Total net revenue	52		44		18
Provision for loan losses	2		2		—
Noninterest expense
Compensation and benefits expense	8		8		—
Other operating expenses	29		26		(12)
Total noninterest expense	37		34		(9)
Income from continuing operations before income tax expense	$	13	$	8	63
Total assets	$	16,301	$	12,780	28

Our Mortgage Finance operations earned income from continuing operations before income tax expense of $13 million and $8 million for the three months endedMarch 31, 2019, and 2018, respectively. The increase for the three months endedMarch 31, 2019, was primarily due to an increase in net financing revenue and other interest income driven by increased portfolio loan balances as a result of bulk purchases of high-quality jumbo and LMI mortgage loans and direct-to-consumer originations and an increase in gain on sale of mortgage loans held-for-sale. The increase was partially offset by higher noninterest expense driven by continued asset growth.

Net financing revenue and other interest income was $50 million and $43 million for the three months endedMarch 31, 2019, and 2018, respectively. The increase in net financing revenue and other interest income was primarily due to increased loan balances as a result of bulk purchases of high-quality jumbo and LMI mortgage loans and direct-to-consumer originations. During the three months endedMarch 31, 2019, we purchased $1.2 billion of mortgage loans that were originated by third parties, compared to $1.3 billion during the three months endedMarch 31, 2018.

Gain on sale of mortgage loans, net, increased $1 million for the three months endedMarch 31, 2019, compared to the same period in 2018, as a result of higher direct-to-consumer mortgage originations and the subsequent sale of these loans to our fulfillment provider.

Total noninterest expense was $37 million for the three months endedMarch 31, 2019, compared to $34 million for the three months endedMarch 31, 2018. The increase was driven by continued asset growth.

78

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table presents the total unpaid principal balance (UPB) of purchases and originations of consumer mortgages held-for-investment, by FICO® Score at the time of acquisition.

FICO® Score	Volume ($ in millions)		% Share of volume
Three months ended March 31, 2019
740 +	$	1,198	80
720–739	163		11
700–719	130		9
680–699	6		—
Total consumer mortgage financing volume	$	1,497	100
Three months ended March 31, 2018
740 +	$	1,094	79
720–739	132		9
700–719	105		8
680–699	55		4
Total consumer mortgage financing volume	$	1,386	100

The following table presents the net UPB, net UPB as a percentage of total, weighted-average coupon (WAC), premium net of discounts, LTV, and FICO® Scores for the products in our Mortgage Finance held-for-investment loan portfolio.

Product	Net UPB (a) ($ in millions)		% of total net UPB	WAC		Net premium ($ in millions)		Average refreshed LTV (b)		Average refreshed FICO® (c)
March 31, 2019
Adjustable-rate	$	2,773	17	3.42	%	$	36	54.37	%	774
Fixed-rate	13,161		83	4.20		255		62.05		772
Total	$	15,934	100	4.06		$	291	60.71		772
December 31, 2018
Adjustable-rate	$	2,828	19	3.40	%	$	37	53.69	%	775
Fixed-rate	12,042		81	4.15		248		60.97		774
Total	$	14,870	100	4.01		$	285	59.58		774

(a) Represents UPB net of charge-offs.

(b) Updated home values were derived using a combination of appraisals, broker price opinions, automated valuation models, and metropolitan statistical area level house price indices.

(c) Updated to reflect changes in credit score since loan origination.

79

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Corporate Finance

Results of Operations

The following table summarizes the activities of our Corporate Finance operations. The amounts presented are before the elimination of balances and transactions with our reportable segments.

	Three months ended March 31,
($ in millions)	2019		2018		Favorable/(unfavorable) % change
Net financing revenue and other interest income
Interest and fees on finance receivables and loans	$	89	$	74	20
Interest on loans held-for-sale	1		—		n/m
Interest expense	36		28		(29)
Net financing revenue and other interest income	54		46		17
Total other revenue	11		8		38
Total net revenue	65		54		20
Provision for loan losses	23		—		n/m
Noninterest expense
Compensation and benefits expense	19		15		(27)
Other operating expenses	10		10		—
Total noninterest expense	29		25		(16)
Income from continuing operations before income tax expense	$	13	$	29	(55)
Total assets	$	5,006	$	4,375	14

n/m = not meaningful

Our Corporate Finance operations earned income from continuing operations before income tax expense of $13 million for the three months endedMarch 31, 2019, compared to $29 million for the three months endedMarch 31, 2018. The decrease was due primarily to higher provision for loan losses resulting from increased reserves related to two loan exposures. This was partially offset by higher net financing revenue and other interest income resulting from higher asset levels. Additionally, for the three months endedMarch 31, 2019, results were favorably impacted by unrealized gains on equity investments as compared to unrealized losses during the three months endedMarch 31, 2018.

Net financing revenue and other interest income was $54 million for the three months endedMarch 31, 2019, compared to $46 million for the three months endedMarch 31, 2018. The increase was primarily due to the growth of our lending portfolio, represented by a 17% increase in the gross carrying value of finance receivables and loans as of March 31, 2019, compared to March 31, 2018.

Other revenue was $11 million for the three months endedMarch 31, 2019, compared to $8 million for the three months endedMarch 31, 2018. The increase for the three months endedMarch 31, 2019, was primarily driven by unrealized gains on equity investments of $4 million as compared to unrealized losses on equity investments of $5 million for the three months endedMarch 31, 2018. The increase was partially offset by a $6 million decrease in syndication and other fee income for the three months endedMarch 31, 2019, as compared to the same period in 2018.

The provision for loan losses increased $23 million for the three months endedMarch 31, 2019, compared to the same period in 2018. The increase for the three months endedMarch 31, 2019, was primarily due to an increase in reserves associated with two loan exposures, within separate industries, each with unique considerations. Notwithstanding these two exposures, the overall portfolio continues to perform within expectations.

Total noninterest expense was $29 million for the three months endedMarch 31, 2019, compared to $25 million for the three months endedMarch 31, 2018. The increase was primarily due to higher compensation and benefits expense and other noninterest costs associated with growth in the business.

80

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Credit Portfolio

The following table presents loans held-for-sale, the gross carrying value of finance receivables and loans outstanding, unfunded commitments to lend, and total serviced loans of our Corporate Finance operations.

($ in millions)	March 31, 2019		December 31, 2018
Loans held-for-sale, net	$	24	$	47
Finance receivables and loans	$	5,001	$	4,636
Unfunded lending commitments (a)	$	2,150	$	2,141
Total serviced loans	$	5,646	$	5,501

(a) Includes unused revolving credit line commitments for loans held-for-sale and finance receivables and loans, signed commitment letters, and standby letter of credit facilities, which are issued on behalf of clients and may contingently require us to make payments to a third-party beneficiary in the event of a draw by the beneficiary thereunder. As many of these commitments are subject to borrowing base agreements and other restrictive covenants or may expire without being fully drawn, the stated amounts of these letters of credit are not necessarily indicative of future cash requirements.

The following table presents the percentage of total finance receivables and loans of our Corporate Finance operations by industry concentration. The finance receivables and loans are reported at gross carrying value.

	March 31, 2019		December 31, 2018
Industry
Health services	28.0	%	24.5	%
Services	23.2		25.6
Automotive and transportation	13.0		12.3
Wholesale	7.2		7.5
Machinery, equipment, and electronics	5.9		6.0
Chemicals and metals	5.1		4.9
Other manufactured products	4.7		4.7
Food and beverages	4.6		5.0
Paper, printing, and publishing	2.2		2.8
Retail trade	2.0		1.3
Other	4.1		5.4
Total finance receivables and loans	100.0	%	100.0	%

81

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Corporate and Other

The following table summarizes the activities of Corporate and Other, which primarily consist of centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, original issue discount, and the residual impacts of our corporate FTP and treasury ALM activities. Corporate and Other also includes certain equity investments, which primarily consist of FHLB and FRB stock, the management of our legacy mortgage portfolio, which primarily consists of loans originated prior to January 1, 2009, the activity related to Ally Invest, and reclassifications and eliminations between the reportable operating segments.

	Three months ended March 31,
($ in millions)	2019			2018			Favorable/(unfavorable) % change
Net financing revenue and other interest income
Interest and fees on finance receivables and loans (a)	$	21		$	10		110
Interest and dividends on investment securities and other earning assets	213			150			42
Interest on cash and cash equivalents	19			13			46
Other, net	(2		)	(2		)	—
Total financing revenue and other interest income	251			171			47
Interest expense
Original issue discount amortization (b)	10			24			58
Other interest expense (c)	205			108			(90)
Total interest expense	215			132			(63)
Net financing revenue and other interest income	36			39			(8)
Other revenue
Other gain on investments, net	9			6			50
Other income, net of losses	16			27			(41)
Total other revenue	25			33			(24)
Total net revenue	61			72			(15)
Provision for loan losses	(5		)	—			n/m
Total noninterest expense (d)	80			76			(5)
Loss from continuing operations before income tax expense	$	(14	)	$	(4	)	n/m
Total assets	$	34,842		$	30,375		15

n/m = not meaningful

(a) Primarily related to impacts associated with hedging activities within our consumer automotive loan portfolio and financing revenue from our legacy mortgage portfolio.

(b) Amortization is included as interest on long-term debt in the Condensed Consolidated Statement of Comprehensive Income.

(c) Includes the residual impacts of our FTP methodology and impacts of hedging activities of certain debt obligations.

(d) Includes reductions of $229 million and $220 million for the three months endedMarch 31, 2019, and 2018, respectively, related to the allocation of corporate overhead expenses to other segments. The receiving segments record their allocation of corporate overhead expense within other operating expense.

The following table presents the scheduled remaining amortization of the original issue discount at March 31, 2019.

Year ended December 31, ($ in millions)	2019		2020		2021		2022		2023		2024 and thereafter (a)		Total
Original issue discount
Outstanding balance at year end	$	1,094	$	1,053	$	1,008	$	959	$	903	$	—
Total amortization (b)	31		41		45		49		56		903		$	1,125

(a) The maximum annual scheduled amortization for any individual year is $147 million in 2030.

(b) The amortization is included as interest on long-term debt in the Condensed Consolidated Statement of Comprehensive Income.

Corporate and Other incurred a loss from continuing operations before income tax expense of $14 million for the three months endedMarch 31, 2019, compared to a loss of $4 million for the three months endedMarch 31, 2018. Total financing revenue and other interest income increased for the three months endedMarch 31, 2019, compared to the same period in 2018, primarily driven by our investment securities portfolio. This increase was more than offset by higher funding costs, higher noninterest expenses to support business growth, and lower other income, primarily related to lower income from equity hedges.

82

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Financing revenue and other interest income was $251 million for the three months endedMarch 31, 2019, compared to $171 million for the three months endedMarch 31, 2018. The increase was primarily driven by higher interest and dividends from investment securities and other earning assets, primarily as a result of higher yields and growth in the size of the investment portfolio. Results for the three months endedMarch 31, 2019, were also favorably impacted by increases in interest on cash and cash equivalents, as a result of higher yields.

Total interest expense was $215 million for the three months endedMarch 31, 2019, compared to $132 million for the three months endedMarch 31, 2018. The increase was primarily driven by increased interest on deposits resulting from higher market rates and deposit growth, as well as increased rates on secured borrowings driven by the London interbank offered rate (LIBOR). The increase was partially offset by a decrease in higher-cost unsecured debt borrowings as maturities are replaced with lower cost funding.

Total other revenue was $25 million for the three months endedMarch 31, 2019, compared to $33 million for the three months endedMarch 31, 2018. The decrease was primarily due to lower income related to certain equity hedges and higher losses on the retirement of debt.

Noninterest expense was $80 million for the three months endedMarch 31, 2019, compared to $76 million for the three months endedMarch 31, 2018. The increase was primarily due to higher compensation and benefit costs and other operating expenses associated with the continued growth and investment in our business, including digital and technological capabilities, as well as higher marketing costs.

Total assets were $34.8 billion as of March 31, 2019, compared to $30.4 billion as of March 31, 2018. The increase was primarily the result of growth in our available-for-sale and held-to-maturity securities portfolios and higher interest-bearing cash and cash equivalents. The increase was partially offset by the continued runoff of our legacy mortgage portfolio. At March 31, 2019, the gross carrying value of the legacy mortgage portfolio was $1.4 billion, compared to $2.0 billion at March 31, 2018.

Cash and Securities

The following table summarizes the composition of the cash and securities portfolio at fair value for Corporate and Other.

($ in millions)	March 31, 2019		December 31, 2018
Cash
Noninterest-bearing cash	$	728	$	535
Interest-bearing cash	1,938		3,083
Total cash	2,666		3,618
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,409		1,391
U.S. States and political subdivisions	115		111
Agency mortgage-backed residential	17,921		16,380
Agency mortgage-backed commercial	320		3
Mortgage-backed residential	2,754		2,551
Mortgage-backed commercial	723		714
Asset-backed	668		723
Total available-for-sale securities	23,910		21,873
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential	2,338		2,264
Asset-backed retained notes	36		43
Total held-to-maturity securities	2,374		2,307
Total cash and securities	$	28,950	$	27,798

83

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Ally Invest

In May 2017, we launched Ally Invest, our digital brokerage and wealth management offering, which enables us to complement our competitive deposit products with low-cost investing through the platform we acquired from the June 2016 acquisition of TradeKing. The following table presents trading days and average customer trades per day, the number of funded accounts, total net customer assets, and total customer cash balances as of the end of each of the last five quarters.

	1st quarter 2019		4th quarter 2018		3rd quarter 2018		2nd quarter 2018		1st quarter 2018
Trading days (a)	61.0		62.0		62.5		64.0		61.0
Average customer trades per day (in thousands)	19.5		19.6		19.1		18.0		21.8
Funded accounts (b) (in thousands)	320		302		287		271		259
Total net customer assets ($ in millions)	$	6,796	$	5,804	$	6,608	$	5,990	$	5,473
Total customer cash balances ($ in millions)	$	1,209	$	1,159	$	1,178	$	1,166	$	1,111

(a) Represents the number of days the New York Stock Exchange and other U.S. stock exchange markets are open for trading. A half day represents a day when the U.S. markets close early.

(b) Represents open and funded brokerage accounts.

Total funded accounts increased 6% from the prior quarter and 24% from the first quarter of 2018 as a result of a continued focus on marketing campaigns. Average customer trades per day decreased for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018, due to elevated market volatility during the first quarter of 2018. Additionally, net customer assets increased in the first quarter of 2019 primarily as a result of equity market appreciation and customer account growth.

84

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Risk Management

Managing the risk/reward trade-off is a fundamental component of operating our businesses, and all employees are responsible for managing risk. We use multiple layers of defense to identify, monitor, and manage current and emerging risks.

• Business lines — Responsible for owning and managing all of the risks that emanate from their risk-taking activities, including business units and support functions.

• Independent risk management — Responsible for establishing and maintaining our risk-management framework and promulgating it enterprise-wide. Independent risk management also provides an objective, critical assessment of risks and—through oversight, effective challenge, and other means—evaluates whether Ally remains aligned with its risk appetite.

• Internal audit — Provides its own independent assessments of the effectiveness of our risk management, internal controls, and governance; and independent assessments regarding the quality of our loan portfolios. Internal audit includes Audit Services and the Loan Review Group.

Our risk-management framework is overseen by the Risk Committee (RC) of the Ally Board of Directors (the Board). The RC sets the risk appetite across our company while risk-oriented management committees, the executive leadership team, and our associates identify and monitor current and emerging risks and manage those risks within our risk appetite. For more information on our risk management process, refer to the Risk Management MD&A section of our 2018 Annual Report on Form 10-K.

Loan and Operating Lease Exposure

The following table summarizes the exposures from our loan and operating lease activities.

($ in millions)	March 31, 2019		December 31, 2018
Finance receivables and loans
Automotive Finance	$	107,261	$	108,463
Mortgage Finance	16,225		15,155
Corporate Finance	5,001		4,636
Corporate and Other (a)	1,568		1,672
Total finance receivables and loans	130,055		129,926
Loans held-for-sale
Automotive Finance	18		210
Mortgage Finance (b)	15		8
Corporate Finance	24		47
Corporate and Other	50		49
Total loans held-for-sale	107		314
Total on-balance sheet loans	130,162		130,240
Off-balance sheet securitized loans
Automotive Finance (c)	957		1,235
Whole-loan sales
Automotive Finance (c)	503		634
Total off-balance sheet loans	1,460		1,869
Operating lease assets
Automotive Finance	8,339		8,417
Total loan and operating lease exposure	$	139,961	$	140,526

(a) Includes $1.4 billion and $1.5 billion of consumer mortgage loans in our legacy mortgage portfolio at March 31, 2019, and December 31, 2018, respectively.

(b) Represents the current balance of conforming mortgages originated directly to the held-for-sale portfolio.

(c) Represents the current unpaid principal balance of outstanding loans based on our customary representation and warranty provisions.

The risks inherent in our loan and operating lease exposures are largely driven by changes in the overall economy, used vehicle and housing price levels, unemployment levels, and their impact on our borrowers. The potential financial statement impact of these exposures varies depending on the accounting classification and future expected disposition strategy. We retain the majority of our consumer automotive loans as they complement our core business model, but we do sell loans from time to time on an opportunistic basis. We ultimately manage the associated risks based on the underlying economics of the exposure. Our operating lease residual risk, which may be more volatile than credit risk in stressed macroeconomic scenarios, has declined over the past several years as we have experienced growth in our consumer

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automotive loan portfolio and a significant reduction in operating lease assets since 2014.While all operating leases are exposed to potential reductions in used vehicle values, only loans where we take possession of the vehicle are affected by potential reductions in used vehicle values.

Credit Risk

Credit risk is defined as the risk of loss arising from an obligor not meeting its contractual obligations to us. Credit risk includes consumer credit risk, commercial credit risk, and counterparty credit risk.

Credit risk is a major source of potential economic loss to us. Credit risk is monitored by the risk committees, executive leadership team, and our associates. Together, they oversee credit decisioning, account servicing activities, and credit-risk-management processes and manage credit risk exposures within our risk appetite. In addition, our Loan Review Group provides an independent assessment of the quality of our credit portfolios and credit-risk-management practices, and directly reports its findings to the RC on a regular basis.

To mitigate risk, we have implemented specific policies and practices across business lines, utilizing both qualitative and quantitative analyses. This reflects our commitment to maintaining an independent and ongoing assessment of credit risk and credit quality. Our policies require an objective and timely assessment of the overall quality of the consumer and commercial loan and operating lease portfolios. This includes the identification of relevant trends that affect the collectability of the portfolios, segments of the portfolios that are potential problem areas, loans and operating leases with potential credit weaknesses, and the assessment of the adequacy of internal credit risk policies and procedures. Our consumer and commercial loan and operating lease portfolios are subject to regular stress tests that are based on plausible, but unexpected, economic scenarios to assess how the portfolios may perform in a severe economic downturn. In addition, we establish and maintain underwriting policies and limits across our portfolios and higher risk segments (e.g., nonprime) based on our risk appetite.

Another important aspect to managing credit risk involves the need to carefully monitor and manage the performance and pricing of our loan products with the aim of generating appropriate risk-adjusted returns. When considering pricing, various granular risk-based factors are considered such as expected loss rates, loss volatility, anticipated operating costs, and targeted returns on equity. We carefully monitor credit losses and trends in credit losses in conjunction with pricing at contract inception and continue to closely monitor our loan performance and profitability performance in light of forecasted economic conditions, and manage credit risk and expectations of losses in the portfolio.

We manage credit risk based on the risk profile of the borrower, the source of repayment, the underlying collateral, and current market conditions. We monitor the credit risk profile of individual borrowers and the aggregate portfolio of borrowers either within a designated geographic region or a particular product or industry segment. We perform quarterly analyses of the consumer automotive, consumer mortgage, and commercial portfolios using a range of indicators to assess the adequacy of the allowance for loan losses based on historical and current trends. Refer to Note 7 to the Condensed Consolidated Financial Statements for additional information.

Additionally, we utilize numerous collection strategies to mitigate loss and provide ongoing support to customers in financial distress. For consumer automotive loans, we work with customers when they become delinquent on their monthly payment. In lieu of repossessing their vehicle, we may offer several types of assistance to aid our customers based on their willingness and ability to repay their loan. Loss mitigation may include payment extensions and rewrites of the loan terms. For mortgage loans, as part of certain programs, we offer mortgage loan modifications to qualified borrowers. These programs are in place to provide support to our mortgage customers in financial distress, including principal forgiveness, maturity extensions, delinquent interest capitalization, and changes to contractual interest rates.

Furthermore, we manage our credit exposure to financial counterparties based on the risk profile of the counterparty. Within our policies we have established standards and requirements for managing counterparty risk exposures in a safe and sound manner. Counterparty credit risk is derived from multiple exposure types including derivatives, securities trading, securities financing transactions, financial futures, cash balances (e.g., due from depository institutions, restricted accounts, and cash equivalents), and investment in debt securities. For more information on derivative counterparty credit risk, refer toNote 17 to the Condensed Consolidated Financial Statements.

We employ an internal team of economists to enhance our planning and forecasting capabilities. This team conducts industry and market research, monitors economic risks, and helps support various forms of scenario planning. This group closely monitors macroeconomic trends given the nature of our business and the potential impacts on our exposure to credit risk. During the three months ended March 31, 2019, the U.S. economy continued to modestly expand, and consumer confidence remained strong. The labor market remained healthy during the period, with the unemployment rate down to 3.8% as of March 31, 2019. Within the U.S. automotive market, new light vehicle sales have moderated from both historic highs and year-over-year pace, to an average 16.9 million Seasonally Adjusted Annual Rate for the three months endedMarch 31, 2019. We expect to experience modest downward pressure on used vehicle values during 2019.

Consumer Credit Portfolio

During the three months endedMarch 31, 2019, the credit performance of the consumer loan portfolio reflected both our underwriting strategy to originate a diversified portfolio of consumer automotive loan assets, including used, nonsubvented new, higher LTV, extended term, Growth channel, and nonprime finance receivables and loans, as well as high-quality jumbo and LMI mortgage loans that are acquired through bulk loan purchases and direct-to-consumer mortgage originations. The carrying value of our nonprime consumer automotive loans before allowance for loan losses represented approximately 11.6% of our total consumer automotive loans at March 31, 2019, compared to approximately 11.7% at December 31, 2018. For information on our consumer credit risk practices and policies regarding delinquencies, nonperforming status, and charge-offs, refer to Note 1 to the Consolidated Financial Statements included in our 2018 Annual Report on Form 10-K.

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The following table includes consumer finance receivables and loans recorded at gross carrying value.

	Outstanding				Nonperforming (a)				Accruing past due 90 days or more (b)
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Consumer automotive (c) (d)	$	71,553	$	70,539	$	643	$	664	$	—	$	—
Consumer mortgage
Mortgage Finance	16,225		15,155		13		9		—		—
Mortgage — Legacy	1,433		1,546		62		70		—		—
Total consumer finance receivables and loans	$	89,211	$	87,240	$	718	$	743	$	—	$	—

(a) Includes nonaccrual TDR loans of $246 million and $257 million at March 31, 2019, and December 31, 2018, respectively.

(b) Loans are generally in nonaccrual status when principal or interest has been delinquent for 90 days or more, or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for a description of our accounting policies for finance receivables and loans.

(c) Certain finance receivables and loans are included in fair value hedging relationships. Refer to Note 17 to the Condensed Consolidated Financial Statements for additional information.

(d) Includes outstanding CSG loans of $8.0 billion and $7.9 billion at March 31, 2019, and December 31, 2018, respectively, and RV loans of $1.6 billion and $1.7 billion at March 31, 2019, and December 31, 2018, respectively.

Total consumer finance receivables and loans increased$2.0 billion at March 31, 2019, compared with December 31, 2018, reflecting an increase of $1.0 billion of consumer automotive finance receivables and loans and an increase of $957 million of consumer mortgage finance receivables and loans. The increase in consumer automotive finance receivables and loans was primarily related to continued momentum in our Growth channel. The increase in consumer mortgage finance receivables and loans was primarily due to the execution of bulk loan purchases totaling $1.2 billion during the three months endedMarch 31, 2019.

Total consumer nonperforming finance receivables and loans at March 31, 2019, decreased$25 million to $718 million from December 31, 2018, reflecting a decrease of $21 million of consumer automotive finance receivables and loans and a decrease of $4 million of consumer mortgage nonperforming finance receivables and loans. The decrease in nonperforming consumer automotive finance receivables and loans was primarily due to seasonality. Refer to Note 7 to the Condensed Consolidated Financial Statements for additional information. Nonperforming consumer finance receivables and loans as a percentage of total outstanding consumer finance receivables and loans were 0.8% and 0.9% at March 31, 2019, and December 31, 2018, respectively.

Total consumer TDRs outstanding at March 31, 2019, increased $2 million since December 31, 2018, to $728 million. Results reflect a $6 million increase in our consumer automotive loan portfolio, largely offset by a $4 million reduction in our legacy mortgage portfolio. Refer to Note 7 to the Condensed Consolidated Financial Statements for additional information.

Consumer automotive loans accruing and past due 30 days or more decreased $668 million to $1.8 billion at March 31, 2019, compared to December 31, 2018, primarily due to seasonality. Compared to March 31, 2018, consumer automotive loans accruing and past due 30 days or more increased $21 million at March 31, 2019, primarily driven by growth in the overall size of the consumer automotive loan portfolio.

The following table includes consumer net charge-offs from finance receivables and loans at gross carrying value and related ratios.

	Three months ended March 31,
	Net charge-offs					Net charge-off ratios (a)
($ in millions)	2019			2018		2019		2018
Consumer automotive	$	234		$	253	1.3	%	1.5	%
Consumer mortgage
Mortgage Finance	—			1		—		—
Mortgage — Legacy	(2		)	5		(0.6	)	1.0
Total consumer finance receivables and loans	$	232		$	259	1.1		1.3

(a) Net charge-off ratios are calculated as annualized net charge-offs divided by average outstanding finance receivables and loans excluding loans measured at fair value and loans held-for-sale during the period for each loan category.

Our net charge-offs from total consumer finance receivables and loans were $232 million for the three months endedMarch 31, 2019, compared to $259 million for the three months endedMarch 31, 2018. The decrease in net charge-offs for the three months endedMarch 31, 2019, was primarily driven by our consumer automotive loan portfolio where we experienced strong overall credit performance driven by favorable macroeconomic trends including low unemployment, as well as continued disciplined underwriting.

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The following table summarizes total consumer loan originations for the periods shown. Total consumer loan originations include loans classified as finance receivables and loans and loans held-for-sale during the period.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	8,268	$	8,417
Consumer mortgage (a)	351		151
Total consumer loan originations	$	8,619	$	8,568

(a) Excludes bulk loan purchases associated with our Mortgage Finance operations and includes $89 million of loans originated as held-for-sale for the three months endedMarch 31, 2019, and $60 million for the three months endedMarch 31, 2018.

Total consumer loan originations increased$51 million for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018, reflecting an increase of $200 million of consumer mortgage loans and a decrease of $149 million of consumer automotive loans. The increase in consumer mortgage loan originations for the three months endedMarch 31, 2019, was primarily due to growth in the direct-to-consumer mortgage business. The decrease in consumer automotive loan originations for the three months endedMarch 31, 2019, was primarily due to lower new retail volume from GM and Chrysler, partially offset by higher used volume in the Growth channel.

The following table shows the percentage of total consumer finance receivables and loans recorded at gross carrying value by state concentration. Total consumer automotive loans were $71.6 billion and $70.5 billion at March 31, 2019, and December 31, 2018, respectively. Total consumer mortgage loans were $17.7 billion and $16.7 billion at March 31, 2019, and December 31, 2018, respectively.

	March 31, 2019 (a)				December 31, 2018
	Consumer automotive		Consumer mortgage		Consumer automotive		Consumer mortgage
California	8.4	%	37.0	%	8.4	%	36.9	%
Texas	12.7		6.2		12.8		6.2
Florida	8.8		4.8		8.8		4.7
Pennsylvania	4.6		1.4		4.5		1.4
Illinois	4.1		2.9		4.1		3.0
Georgia	4.0		2.8		4.1		2.8
North Carolina	3.9		1.8		3.9		1.7
New York	3.1		2.4		3.1		2.4
Ohio	3.5		0.4		3.5		0.4
New Jersey	2.7		2.1		2.7		2.1
Other United States	44.2		38.2		44.1		38.4
Total consumer loans	100.0	%	100.0	%	100.0	%	100.0	%

(a) Presentation is in descending order as a percentage of total consumer finance receivables and loans at March 31, 2019.

We monitor our consumer loan portfolio for concentration risk across the states in which we lend. The highest concentrations of consumer loans are in California and Texas, which represented an aggregate of 25.5% and 25.4% of our total outstanding consumer finance receivables and loans at March 31, 2019, and December 31, 2018, respectively. Our consumer mortgage loan portfolio concentration within California, which is primarily composed of high-quality jumbo mortgage loans, generally aligns to the California share of jumbo mortgages nationally.

Repossessed and Foreclosed Assets

We classify an asset as repossessed or foreclosed, which is included in other assets on our Condensed Consolidated Balance Sheet, when physical possession of the collateral is taken. We dispose of the acquired collateral in a timely fashion in accordance with regulatory requirements. For more information on repossessed and foreclosed assets, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Repossessed consumer automotive loan assets in our Automotive Finance operations increased $1 million from December 31, 2018, to $137 million at March 31, 2019. Foreclosed mortgage assets decreased $1 million from December 31, 2018, to $10 million at March 31, 2019.

Commercial Credit Portfolio

During the three months endedMarch 31, 2019, the credit performance of the commercial portfolio remained strong as nonperforming finance receivables and loans decreased, and our net charge-offs remained low. For information on our commercial credit risk practices and

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policies regarding delinquencies, nonperforming status, and charge-offs, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

The following table includes total commercial finance receivables and loans reported at gross carrying value.

	Outstanding				Nonperforming (a)				Accruing past due 90 days or more (b)
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Commercial and industrial
Automotive	$	31,559	$	33,672	$	138	$	203	$	—	$	—
Other (c)	4,516		4,205		125		142		—		—
Commercial real estate	4,769		4,809		6		4		—		—
Total commercial finance receivables and loans	$	40,844	$	42,686	$	269	$	349	$	—	$	—

(a) Includes nonaccrual TDR loans of $109 million and $86 million at March 31, 2019, and December 31, 2018, respectively.

(b) Loans are generally in nonaccrual status when principal or interest has been delinquent for 90 days or more, or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for a description of our accounting policies for finance receivables and loans.

(c) Other commercial and industrial primarily includes senior secured commercial lending largely associated with our Corporate Finance operations.

Total commercial finance receivables and loans outstanding decreased$1.8 billion from December 31, 2018, to $40.8 billion at March 31, 2019. The decrease was primarily due to lower dealer inventory levels and a reduction in the number of dealer relationships due to the competitive environment across the automotive lending market. This decrease was partially offset by growth in our Corporate Finance portfolio.

Total commercial nonperforming finance receivables and loans were $269 million at March 31, 2019, reflecting a decrease of $80 million when compared to December 31, 2018. The decrease was primarily due to reduced exposure to one larger dealer group that was placed into default in the fourth quarter of 2018, as well as the partial liquidation and charge-off of one account within our Corporate Finance portfolio. Nonperforming commercial finance receivables and loans as a percentage of outstanding commercial finance receivables and loans decreased to 0.7% at March 31, 2019, compared to 0.8% at December 31, 2018.

Total commercial TDRs outstanding at March 31, 2019, increased $23 million since December 31, 2018, to $109 million. The increase was primarily driven by TDRs granted to one larger dealer group that was placed into default in the fourth quarter of 2018. This increase was partially offset by the partial liquidation and charge-off of one account within our Corporate Finance portfolio. Refer to Note 7 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information.

The following table includes total commercial net charge-offs from finance receivables and loans at gross carrying value and related ratios.

	Three months ended March 31,
	Net charge-offs				Net charge-off ratios (a)
($ in millions)	2019		2018		2019		2018
Commercial and industrial
Other	$	5	$	—	0.4	%	—	%
Total commercial finance receivables and loans	$	5	$	—	—		—

(a) Net charge-off ratios are calculated as annualized net charge-offs divided by average outstanding finance receivables and loans excluding loans measured at fair value and loans held-for-sale during the period for each loan category.

Our net charge-offs from total commercial finance receivables and loans were $5 million for the three months endedMarch 31, 2019, compared to no net charge-offs for the same period in 2018. The increase in net charge-offs for the three months endedMarch 31, 2019, was primarily driven by a partial charge-off of one account within our Corporate Finance portfolio.

Commercial Real Estate

The commercial real estate portfolio consists of finance receivables and loans issued primarily to automotive dealers. Commercial real estate finance receivables and loans were $4.8 billion at both March 31, 2019, and December 31, 2018.

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The following table presents the percentage of total commercial real estate finance receivables and loans by state concentration. These finance receivables and loans are reported at gross carrying value.

	March 31, 2019		December 31, 2018
Texas	15.5	%	15.5	%
Florida	11.8		11.6
California	8.5		8.3
Michigan	6.8		6.8
New York	4.6		4.8
Georgia	4.0		4.0
North Carolina	3.9		3.6
South Carolina	3.2		3.4
New Jersey	3.1		3.1
Utah	2.8		2.6
Other United States	35.8		36.3
Total commercial real estate finance receivables and loans	100.0	%	100.0	%

Commercial Criticized Exposure

Finance receivables and loans classified as special mention, substandard, or doubtful are reported as criticized. These classifications are based on regulatory definitions and generally represent finance receivables and loans within our portfolio that have a higher default risk or have already defaulted. These finance receivables and loans require additional monitoring and review including specific actions to mitigate our potential loss.

Total criticized exposures decreased $143 million from December 31, 2018, to $3.8 billion at March 31, 2019. The decrease was primarily due to reduced exposure to one larger dealer group within the commercial automotive portfolio.

The following table presents the percentage of total commercial criticized finance receivables and loans by industry concentration. These finance receivables and loans within our automotive and Corporate Finance portfolios are reported at gross carrying value.

	March 31, 2019		December 31, 2018
Industry
Automotive	80.5	%	80.6	%
Health/Medical	5.9		3.7
Services	4.3		5.0
Other	9.3		10.7
Total commercial criticized finance receivables and loans	100.0	%	100.0	%

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Allowance for Loan Losses

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2019($ in millions)	Consumer automotive			Consumer mortgage			Total consumer			Commercial			Total
Allowance at January 1, 2019	$	1,048		$	53		$	1,101		$	141		$	1,242
Charge-offs (a)	(352		)	(3		)	(355		)	(5		)	(360		)
Recoveries	118			5			123			—			123
Net charge-offs	(234		)	2			(232		)	(5		)	(237		)
Provision for loan losses	257			(3		)	254			28			282
Other	(1		)	—			(1		)	2			1
Allowance at March 31, 2019	$	1,070		$	52		$	1,122		$	166		$	1,288
Allowance for loan losses to finance receivables and loans outstanding at March 31, 2019 (b)	1.5		%	0.3		%	1.3		%	0.4		%	1.0		%
Net charge-offs to average finance receivables and loans outstanding for the three months ended March 31, 2019	1.3		%	(0.1		)%	1.1		%	—		%	0.7		%
Allowance for loan losses to total nonperforming finance receivables and loans at March 31, 2019 (b)	166.5		%	68.9		%	156.3		%	61.5		%	130.4		%
Ratio of allowance for loan losses to annualized net charge-offs at March 31, 2019	1.1			(5.9		)	1.2			8.8			1.4

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Condensed Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

(b) Coverage percentages are based on the allowance for loan losses related to finance receivables and loans excluding those loans held at fair value as a percentage of the gross carrying value.

Three months ended March 31, 2018 ($ in millions)	Consumer automotive			Consumer mortgage			Total consumer			Commercial			Total
Allowance at January 1, 2018	$	1,066		$	79		$	1,145		$	131		$	1,276
Charge-offs (a)	(365		)	(12		)	(377		)	—			(377		)
Recoveries	112			6			118			—			118
Net charge-offs	(253		)	(6		)	(259		)	—			(259		)
Provision for loan losses	253			1			254			7			261
Allowance at March 31, 2018	$	1,066		$	74		$	1,140		$	138		$	1,278
Allowance for loan losses to finance receivables and loans outstanding at March 31, 2018 (b)	1.5		%	0.5		%	1.4		%	0.3		%	1.0		%
Net charge-offs to average finance receivables and loans outstanding for the three months ended March 31, 2018	1.5		%	0.2		%	1.3		%	—		%	0.8		%
Allowance for loan losses to total nonperforming finance receivables and loans at March 31, 2018 (b)	177.5		%	63.7		%	159.2		%	93.7		%	148.0		%
Ratio of allowance for loan losses to annualized net charge-offs at March 31, 2018	1.1			2.8			1.1			n/m			1.2

n/m = not meaningful

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

(b) Coverage percentages are based on the allowance for loan losses related to finance receivables and loans excluding those loans held at fair value as a percentage of the gross carrying value.

The allowance for consumer loan losses at March 31, 2019, declined$18 million compared to March 31, 2018, reflecting a decrease of $22 million in the consumer mortgage allowance and an increase of $4 million in the consumer automotive allowance. The decrease in the consumer mortgage allowance was primarily driven by run-off in our legacy mortgage portfolio and lower hurricane-related reserves, partially offset by growth in our Mortgage Finance portfolio as finance receivable balances are up $3.5 billion from the prior-year period. The increase in our consumer automotive allowance was primarily driven by portfolio growth as finance receivable balances are up $2.2 billion from the prior-year period, partially offset by lower hurricane-related reserves.

The allowance for commercial loan losses increased$28 million at March 31, 2019, compared to March 31, 2018. The increase was primarily driven by higher reserves associated with two lending exposures in our Corporate Finance portfolio. Overall credit performance in the Corporate Finance portfolio remains stable.

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Allowance for Loan Losses by Type

The following table summarizes the allocation of the allowance for loan losses by product type.

	2019						2018
March 31, ($ in millions)	Allowance for loan losses		Allowance as a % of loans outstanding		Allowance as a % of total allowance for loan losses		Allowance for loan losses		Allowance as a % of loans outstanding		Allowance as a % of total allowance for loan losses
Consumer
Consumer automotive	$	1,070	1.5	%	83.1	%	$	1,066	1.5	%	83.4	%
Consumer mortgage
Mortgage Finance	18		0.1		1.4		20		0.2		1.6
Mortgage — Legacy	34		2.4		2.6		54		2.8		4.2
Total consumer mortgage	52		0.3		4.0		74		0.5		5.8
Total consumer loans	1,122		1.3		87.1		1,140		1.4		89.2
Commercial
Commercial and industrial
Automotive	42		0.1		3.3		40		0.1		3.1
Other	97		2.1		7.5		69		1.7		5.4
Commercial real estate	27		0.6		2.1		29		0.7		2.3
Total commercial loans	166		0.4		12.9		138		0.3		10.8
Total allowance for loan losses	$	1,288	1.0		100.0	%	$	1,278	1.0		100.0	%

Provision for Loan Losses

The following table summarizes the provision for loan losses by product type.

	Three months ended March 31,
($ in millions)	2019			2018
Consumer
Consumer automotive	$	257		$	253
Consumer mortgage
Mortgage Finance	2			2
Mortgage — Legacy	(5		)	(1		)
Total consumer mortgage	(3		)	1
Total consumer loans	254			254
Commercial
Commercial and industrial
Automotive	6			4
Other	23			—
Commercial real estate	(1		)	3
Total commercial loans	28			7
Total provision for loan losses	$	282		$	261

The provision for consumer loan losses was $254 million for both the three months endedMarch 31, 2019, and the three months endedMarch 31, 2018. The provision for consumer mortgage loan losses decreased $4 million during the three months endedMarch 31, 2019, and was primarily driven by lower net charge-offs and strong credit performance as the legacy mortgage portfolio continues to run-off and we continue to grow our Mortgage Finance business. The provision for consumer automotive loan losses increased $4 million during the three months endedMarch 31, 2019, and was primarily driven by reserve reductions during the three months ended March 31, 2018, as a result of lower than anticipated losses associated with prior-year hurricane activity. We continue to experience strong overall credit performance driven by favorable macroeconomic trends including low unemployment, as well as continued disciplined underwriting.

The provision for commercial loan losses increased $21 million for the three months endedMarch 31, 2019, compared to the three months endedMarch 31, 2018. The increase in provision for commercial loan losses for the three months endedMarch 31, 2019, was

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primarily driven by higher reserves for two lending exposures in our Corporate Finance portfolio. Overall credit performance in the Corporate Finance portfolio remains stable.

Market Risk

Our financing, investing, and insurance activities give rise to market risk, or the potential change in the value of our assets (including securities, assets held-for-sale, and operating leases) and liabilities (including deposits and debt) due to movements in market variables such as interest rates, credit spreads, foreign-exchange rates, equity prices, and off-lease vehicle prices.

The impact of changes in benchmark interest rates on our assets and liabilities (interest rate risk) represents an exposure to market risk. We primarily use interest rate derivatives to manage our interest rate risk exposure.

The fair value of our credit-sensitive assets is also exposed to credit spread risk. Credit spread is the amount of additional return over the benchmark interest rates that an investor would demand for taking exposure to the credit risk of an instrument. Generally, an increase in credit spreads would result in a decrease in a fair value measurement.

We are also exposed to foreign-currency risk arising from foreign-currency denominated assets and liabilities, primarily in Canada. We enter into hedges to mitigate foreign exchange risk.

We also have exposure to changes in the value of equity securities. We have exposure to equity securities with readily determinable fair values primarily related to our Insurance operations. For such equity securities, we use equity derivatives to manage our exposure to equity price fluctuations. In addition, we are exposed to changes in the value of other equity investments without readily determinable fair market values. Refer to Note 10 to the Condensed Consolidated Financial Statements for additional information. We may experience changes in the valuation of these investments, which may cause volatility in our earnings.

The composition of our balance sheet, including shorter-duration consumer automotive loans and variable-rate commercial loans, coupled with the continued funding shift toward retail deposits, partially mitigates market risk. Additionally, we maintain risk-management controls that measure and monitor market risk using a variety of analytical techniques including market value, sensitivity analysis, and value at risk models. Refer to Note 17 to the Condensed Consolidated Financial Statements for further information.

LIBOR Transition

In July 2017, the Chief Executive of the United Kingdom Financial Conduct Authority, which regulates LIBOR, announced its intent to stop persuading or compelling banks to submit rates for the calculation of LIBOR to the administrator of LIBOR after 2021. Due to the uncertainty surrounding the future of LIBOR, it is expected that a transition away from the widespread use of LIBOR to alternative benchmark rates will occur by the end of 2021. We have exposure to LIBOR-based contracts within certain of our finance receivables and loans primarily related to wholesale automotive financing receivables and mortgage loans, certain investment securities and derivative contracts, and trust preferred securities, among other arrangements.

The discontinuation of LIBOR or LIBOR-based rates will present risks to our business, as further described in the section titled our Risk Factors within our 2018 Annual Report on Form 10-K. In recognition of these risks and uncertainties, we have established a formal enterprise-wide initiative to identify, assess, monitor, and mitigate risks that may arise from the potential discontinuation of LIBOR and the related transition to an alternative reference rate. Through this initiative, we continue to assess and plan for potential impacts to our financial forecasts, operational processes, technology, modeling, as well as our current and potential future contracts with customers and counterparties. We will continue to actively monitor industry developments.

Net Financing Revenue Sensitivity Analysis

Interest rate risk represents our most significant exposure to market risk. We actively monitor the level of exposure to movements in interest rates and take actions to mitigate adverse impacts these movements may have on future earnings. We use net financing revenue sensitivity analysis as our primary metric to measure and manage the interest rate sensitivities of our financial instruments.

We prepare our forward-looking baseline forecasts of net financing revenue taking into consideration anticipated future business growth, asset/liability positioning, and interest rates based on the implied forward curve. The analysis is highly dependent upon a variety of assumptions including the repricing characteristics of retail deposits with both contractual and non-contractual maturities. Based on current market conditions, actual beta on our total retail deposits portfolio has been approximately 44% relative to the increase in the federal funds rate since the third quarter of 2015. We continually monitor industry and competitive repricing activity along with other market factors when contemplating deposit pricing actions.

Simulations are used to assess changes in net financing revenue in multiple interest rate scenarios relative to the baseline forecast. The changes in net financing revenue relative to the baseline are defined as the sensitivity. Our simulations incorporate contractual cash flows and repricing characteristics for all assets, liabilities, and off-balance sheet exposures and incorporate the effects of changing interest rates on the prepayment and attrition rates of certain assets and liabilities. Our simulation does not assume any specific future actions are taken to mitigate the impacts of changing interest rates.

The net financing revenue sensitivity tests measure the potential change in our pretax net financing revenue over the following twelve months. A number of alternative rate scenarios are tested, including immediate and gradual parallel shocks to the implied market forward curve. Management also evaluates nonparallel shocks to interest rates and stresses to certain term points on the yield curve in isolation to

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capture and monitor a number of risk types. Relative to our baseline forecast, which is based on the implied forward curve, our net financing revenue over the next twelve months would generally remain stable if interest rates remain unchanged.

The following table presents the pretax dollar impact to forecasted net financing revenue over the next twelve months assuming 100 basis point and 200 basis point instantaneous parallel and gradual parallel shock increases, and assuming 100 basis point instantaneous parallel and gradual parallel shock decreases to the implied market forward curve as of March 31, 2019, and December 31, 2018.

	March 31, 2019					December 31, 2018
($ in millions)	Gradual (a)		Instantaneous			Gradual (a)			Instantaneous
Change in interest rates
-100 basis points	$	5	$	(10	)	$	(20	)	$	(34	)
+100 basis points	3		(23		)	51			10
+200 basis points	20		(99		)	81			(10		)

(a) Gradual changes in interest rates are recognized over twelve months.

The implied forward rate curve was lower and flatter compared to December 31, 2018, as short-end rates have decreased less than long-end rates. The impact of this change is reflected in our baseline net financing revenue projections. We have increased our liability-sensitive position as of March 31, 2019, in the upward interest rate shock scenarios. Exposure in the +100 and +200 basis point instantaneous shock scenarios has increased as of March 31, 2019, primarily due to quarter-over-quarter notional decreases in pay-fixed interest rate swaps on certain automotive assets. This was partially offset by the impact of funding sources shifting from short-term market-based funding to retail deposits.

The exposure in the downward instantaneous interest rate shock scenario has increased as of March 31, 2019, primarily due to changes to our derivative hedging position as noted above.

Our risk position is influenced by the net impact of derivative hedging which primarily consists of interest rate swaps designated as fair value hedges of certain fixed-rate assets and fixed-rate debt instruments, and pay-fixed interest rate swaps designated as cash flow hedges of certain floating-rate debt instruments. The size, maturity, and mix of our hedging activities are adjusted as our balance sheet, ALM objectives, and interest rate environment evolve over time.

Operating Lease Residual Risk Management

We are exposed to residual risk on vehicles in the consumer operating lease portfolio. This operating lease residual risk represents the possibility that the actual proceeds realized upon the sale of returned vehicles will be lower than the projection of these values used in establishing the pricing at lease inception. However, certain automotive manufacturers have provided their guarantee for portions of our residual exposure for lease programs with them. For information on our valuation of automotive operating lease residuals including periodic revisions through adjustments to depreciation expense based on current and forecasted market conditions, refer to the section titled Critical Accounting Estimates—Valuation of Automotive Operating Lease Assets and Residuals within the MD&A in our 2018 Annual Report on Form 10-K.

Operating Lease Vehicle Terminations and Remarketing

The following table summarizes the volume of operating lease terminations and average gain per vehicle, as well as our methods of vehicle sales at lease termination, stated as a percentage of total operating lease vehicle disposals.

	Three months ended March 31,
	2019			2018
Off-lease vehicles terminated (in units)	26,030			44,722
Average gain per vehicle ($ per unit)	$	573		$	404
Method of vehicle sales
Auction
Internet	50		%	56		%
Physical	16			13
Sale to dealer, lessee, and other	34			31

Over the last twelve months, our operating lease portfolio, net of accumulated depreciation, decreased 2% from $8.5 billion at March 31, 2018, to $8.3 billion at March 31, 2019. The number of off-lease vehicles remarketed during the three months endedMarch 31, 2019, decreased 42% compared to the same period in 2018. The decrease in net operating lease assets and remarketing volume was primarily due to the wind down of our legacy GM operating lease portfolio. The residual risk associated with our operating lease portfolio has declined during this run-off period. We expect future termination volume to be more consistent with trends experienced during the three months endedMarch 31, 2019.

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We recognized an average gain per vehicle of $573 for the three months endedMarch 31, 2019, compared to $404 for the same period in 2018. The increase in average gain per vehicle for the three months endedMarch 31, 2019, compared to 2018, was primarily due to an increase in the mix of trucks and sport utility vehicles and a decrease in the mix of cars, which drove more favorable remarketing results. For more information on our investment in operating leases, refer to Note 8 to the Condensed Consolidated Financial Statements, and Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Operating Lease Portfolio Mix

We monitor the concentration of our outstanding operating leases. The following table presents the mix of operating lease assets by vehicle type, based on volume of units outstanding.

March 31,	2019		2018
Sport utility vehicle	58	%	55	%
Truck	31		29
Car	11		16

Our overall operating lease residual exposure has declined in recent years largely as a result of the runoff of our legacy GM operating lease portfolio, and as a result our exposure to Chrysler vehicles has grown and now represents approximately 94% of our operating lease units as of March 31, 2019, as compared to 86% as of March 31, 2018.

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Liquidity Management, Funding, and Regulatory Capital

Overview

The purpose of liquidity management is to enable us to meet loan and operating lease demand, debt maturities, deposit withdrawals, and other cash commitments under both normal operating conditions as well as periods of economic or financial stress. Our primary objective is to maintain cost-effective, stable and diverse sources of funding capable of sustaining the organization throughout all market cycles. Sources of funding include both retail and brokered deposits and secured and unsecured market-based funding across various maturity, interest rate, and investor profiles. Additional liquidity is available through a pool of unencumbered highly liquid securities, committed secured credit facilities, repurchase agreements, and advances from the FHLB of Pittsburgh.

We define liquidity risk as the risk that an institution’s financial condition or overall safety and soundness is adversely affected by an inability, or perceived inability, to meet its financial obligations, and to withstand unforeseen liquidity stress events. Liquidity risk can arise from a variety of institution-specific or market-related events that could have a negative impact on cash flows available to the organization. Effective management of liquidity risk facilitates an organization’s preparedness to meet cash flow obligations caused by unanticipated events. Managing liquidity needs and contingent funding exposures has proven essential to the solvency of financial institutions.

The Asset-Liability Committee (ALCO) is chaired by the Corporate Treasurer and is responsible for overseeing our funding and liquidity strategies. Corporate Treasury is responsible for managing our liquidity positions within limits approved by ALCO and the RC. As part of managing liquidity risk, we prepare periodic forecasts depicting anticipated funding needs and sources of funds with oversight and monitoring by the Liquidity Risk Group within Corporate Treasury. Corporate Treasury executes our funding strategies and manages liquidity under baseline economic projections as well as more severely stressed macroeconomic environments.

Funding Strategy

Liquidity and ongoing profitability are largely dependent on the timely and cost-effective access to retail deposits and funding in different segments of the capital markets. Our funding strategy largely focuses on the development of diversified funding sources across a broad base of depositors, lenders, and investors to meet liquidity needs throughout different market cycles, including periods of financial distress. These funding sources include retail and brokered deposits, committed secured credit facilities, public and private asset-backed securitizations, unsecured debt, FHLB advances, whole-loan sales, demand notes, and repurchase agreements. The diversity of our funding sources enhances funding flexibility, limits dependence on any one source, and results in a more cost-effective funding strategy over the long term. We evaluate funding markets on an ongoing basis to achieve an appropriate balance of unsecured and secured funding sources and maturity profiles.

We diversify our overall funding to reduce reliance on any one source of funding and to achieve a well-balanced funding portfolio across a spectrum of risk, maturity, and cost-of-funds characteristics. Optimizing funding at Ally Bank continues to be a key part of our long-term liquidity strategy. We optimize our funding sources at Ally Bank by growing retail deposits, maintaining active public and private securitization programs, managing a prudent maturity profile of our brokered deposit portfolio, utilizing repurchase agreements, and continuing to access funds from the FHLB.

Essentially all asset originations are directed to Ally Bank to reduce parent company exposures and funding requirements, and to utilize our growing consumer deposit-taking capabilities. This allows us to use bank funding for an increasing proportion of our automotive finance and other assets and to provide a sustainable long-term funding channel for the business, while also improving the cost of funds for the enterprise.

Liquidity Risk Management

Multiple metrics are used to measure the level of liquidity risk, manage the liquidity position, identify related trends, and monitor such trends and metrics against established limits. These metrics include coverage ratios and comprehensive stress tests that measure the sufficiency of the liquidity portfolio over short- and long-term stressed horizons, stability ratios that measure longer-term structural liquidity, and concentration ratios that enable prudent funding diversification. In addition, we have established internal management routines designed to review all aspects of liquidity and funding plans, evaluate the adequacy of liquidity buffers, review stress testing results, and assist management in the execution of its funding strategy and risk-management accountabilities.

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We maintain available liquidity in the form of cash, unencumbered highly liquid securities, and available committed secured credit facility capacity. Our liquidity stress testing is designed to enable an ongoing total liquidity position that would allow us to operate our businesses and to meet our contractual and contingent obligations, including unsecured debt maturities, for at least twelve months, assuming severe market-wide disruptions and enterprise-specific events disrupt normal access to funding. We hold available liquidity at various entities, taking into consideration regulatory restrictions and tax implications that may limit our ability to transfer funds across entities. The following table summarizes our total available liquidity.

March 31, 2019($ in millions)
Unencumbered highly liquid U.S. federal government and U.S. agency securities	$	20,347
Liquid cash and equivalents	3,466
Committed secured credit facilities
Total capacity	7,550
Outstanding	5,716
Unused capacity (a)	1,834
Total available liquidity	$	25,647

(a) Funding from committed secured credit facilities is available on request in the event excess collateral resides in certain facilities or the extent incremental collateral is available and contributed to the facilities.

In addition, our Modified Liquidity Coverage Ratio exceeded 100% at March 31, 2019. Refer to Note 16 to the Condensed Consolidated Financial Statements and the section titled Regulation and Supervision in Part I, Item 1 of our 2018 Annual Report on Form 10-K for further discussion of our liquidity requirements.

Deposits

Ally Bank, which is a direct bank with no branch network, obtains retail deposits directly from customers through internet, telephone, mobile, and mail channels. These retail deposits provide our Automotive Finance, Mortgage Finance, and Corporate Finance operations with a stable and low-cost funding source. Retail deposit growth is a key driver of optimizing funding costs and reducing reliance on capital markets-based funding. We believe deposits provide a stable, low-cost source of funds that is less sensitive to interest rate changes, market volatility, or changes in credit ratings when compared to other funding sources. We have continued to expand our deposit gathering efforts through both direct and indirect marketing channels. Current retail deposit offerings consist of a variety of products including CDs, savings accounts, money-market accounts, IRA deposit products, as well as an interest checking product. In addition, we utilize brokered deposits, which are obtained through third-party intermediaries, including a deposit related to Ally Invest customer cash balances.

The following table shows Ally Bank’s number of accounts and deposit balances by investor type as of the end of each quarter since 2018.

	1st quarter 2019		4th quarter 2018		3rd quarter 2018		2nd quarter 2018		1st quarter 2018
Number of retail bank accounts (in thousands)	3,503		3,238		3,079		2,947		2,864
Deposits ($ in millions)
Retail	$	95,423	$	89,121	$	84,629	$	81,736	$	81,657
Brokered (a)	17,734		16,914		16,567		16,839		15,661
Other (b)	142		143		183		159		128
Total deposits	$	113,299	$	106,178	$	101,379	$	98,734	$	97,446

(a) Brokered deposit balances include a deposit related to Ally Invest customer cash balances deposited at Ally Bank by a third party of $1.1 billion as of March 31, 2019, and December 31, 2018, and $1.2 billion as of the end of each other quarter presented.

(b) Other deposits include mortgage escrow, dealer, and other deposits.

During the first three months of 2019, our total deposit base grew $7.1 billion and we added approximately 120,000 retail deposit customers, resulting in nearly 1.8 million total retail deposit customers as of March 31, 2019. The recent growth in total deposits has been primarily attributable to our retail deposit portfolio—particularly within our online savings product and retail CDs. Strong retention rates and customer acquisition, reflecting the strength of the brand, continue to drive growth in retail deposits. Refer to Note 11 to the Condensed Consolidated Financial Statements for a summary of deposit funding by type.

Securitizations and Secured Financings

In addition to building a larger deposit base, secured funding continues to be a significant, reliable and cost-effective source of financing. Securitizations and secured funding transactions, collectively referred to as securitization transactions due to their similarities, allow us to convert our automotive finance receivables and operating leases into cash earlier than what would have occurred in the normal course of business, and we continue to remain active in the well-established securitization markets.

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As part of these securitization transactions, we sell assets to various special purpose entities (SPEs) in exchange for the proceeds from the issuance of debt and other beneficial interests in the assets. The SPEs activities are generally limited to acquiring the assets, issuing and making payments on the debt, paying related expenses, and periodically reporting to investors.

These SPEs are separate legal entities that assume the risks and rewards of ownership of the receivables they hold. The assets of the SPEs are not available to satisfy our claims or those of our creditors. In addition, the SPEs do not invest in our equity or in the equity of any of our affiliates. Our economic exposure related to the SPEs is generally limited to cash reserves, retained interests, and customary representation and warranty provisions.

We typically agree to service the transferred assets in our securitization transactions for a fee, and we may also earn other related fees. The total amount of servicing fees earned is disclosed in Note 3 to the Condensed Consolidated Financial Statements. We may also retain a portion of senior and subordinated interests issued by the SPEs. Subordinate interests typically provide credit support to the more highly rated senior interest in a securitization transaction and may be subject to all or a portion of the first loss position related to the sold assets.

Certain of these securitization transactions meet the criteria to be accounted for as off-balance sheet securitization transactions if we do not hold a potentially significant economic interest or do not provide servicing or asset management functions for the financial assets held by the securitization entity. Certain of our securitization transactions do not meet the required criteria to be accounted for as off-balance sheet securitization transactions; therefore, they are accounted for as secured borrowings. For information regarding our securitization activities, refer to Note 1 and Note 11 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

During the first three months of 2019, we raised $1.0 billion through the completion of a term securitization transaction backed by consumer automotive loans. Additionally, for consumer automotive loans and operating leases, the term structure of the transaction locks in funding for a specified pool of loans and operating leases, creating an effective tool for managing interest rate and liquidity risk.

We manage securitization execution risk by maintaining a diverse investor base and available capacity from private committed secured credit facilities provided by banks. Our ability to access the unused capacity in these facilities depends on the availability of eligible assets to collateralize the incremental funding and, in some instances, on the execution of interest rate hedges. We maintain syndicated and bilateral facilities, which fund our Automotive Finance operations. The facilities can be revolving in nature—generally having an original tenor ranging from 364 days to two years and allowing for additional funding during the commitment period—or they can be amortizing and not allow for any further funding after the commitment period. AtMarch 31, 2019, all of our$7.6 billionof capacity was revolving and of this balance,$6.0 billionwas from facilities with a remaining tenor greater than 364 days.

We also have access to funding through advances with the FHLB. These advances are primarily secured by consumer mortgage and commercial real estate automotive finance receivables and loans. As of March 31, 2019, we had pledged $26.6 billion of assets to the FHLB resulting in $19.6 billion in total funding capacity with $17.5 billion of debt outstanding.

At March 31, 2019, $53.0 billion of our total assets were restricted as collateral for the payment of debt obligations accounted for as secured borrowings and repurchase agreements. Refer to Note 12 to the Condensed Consolidated Financial Statements for further discussion.

Unsecured Financings

We obtain unsecured funding from the sale of floating-rate demand notes under our Demand Notes program. The holder has the option to require us to redeem these notes at any time without restriction. Demand Notes outstanding were $2.5 billion at March 31, 2019. We also have short-term and long-term unsecured debt outstanding from retail term note programs. These programs are composed of callable fixed-rate instruments with fixed-maturity dates and floating-rate notes. There were $321 million of retail term notes outstanding at March 31, 2019. The remainder of our unsecured debt is composed of institutional term debt. Refer to Note 12 to the Condensed Consolidated Financial Statements for additional information about our outstanding short-term borrowings and long-term unsecured debt.

Other Secured and Unsecured Short-term Borrowings

We have access to repurchase agreements. A repurchase agreement is a transaction in which the firm sells financial instruments to a buyer, typically in exchange for cash, and simultaneously enters into an agreement to repurchase the same or substantially the same financial instruments from the buyer at a stated price plus accrued interest at a future date. The securities sold in repurchase agreements include U.S. government and federal agency obligations. As of March 31, 2019, we had $854 million of debt outstanding under repurchase agreements.

Additionally, we have access to the FRB Discount Window and can borrow funds to meet short-term liquidity demands. However, the FRB is not a primary source of funding for day-to-day business. Instead, it is a liquidity source that can be accessed in stressed environments or periods of market disruption. We have assets pledged and restricted as collateral to the FRB totaling $2.4 billion. We had no debt outstanding with the FRB as of March 31, 2019.

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Recent Funding Developments

During the first three months of 2019, we accessed the public and private markets to execute secured funding transactions, unsecured funding transactions, and committed secured credit facility renewals totaling $5.6 billion. Key funding highlights from January 1, 2019, to date were as follows:

• We closed, renewed, increased, or extended $4.6 billion in committed secured credit facilities during the three months endedMarch 31, 2019.

• During the first three months of 2019, we raised $1.0 billion through a securitization backed by consumer automotive loans.

• In April 2019, we terminated or reduced the capacity of our private committed funding facilities and increased capacity under a new private committed facility resulting in a net reduction of $800 million of total funding capacity.

Funding Sources

The following table summarizes our sources of funding and the amount outstanding under each category for the periods shown.

	March 31, 2019			December 31, 2018
($ in millions)	On-balance sheet funding		% Share of funding	On-balance sheet funding		% Share of funding
Deposits	$	113,299	70	$	106,178	66
Debt
Secured financings	33,837		21	39,657		25
Institutional term debt	10,895		7	11,632		7
Retail debt programs (a)	2,807		2	2,824		2
Total debt (b)	47,539		30	54,113		34
Total on-balance sheet funding	$	160,838	100	$	160,291	100

(a) Includes $321 million and $347 million of retail term notes at March 31, 2019, and December 31, 2018, respectively.

(b) Excludes hedge basis adjustment as described in Note 17 to the Condensed Consolidated Financial Statements.

Refer to Note 12 to the Condensed Consolidated Financial Statements for a summary of the scheduled maturity of long-term debt at March 31, 2019.

Cash Flows

The following summarizes the activity reflected on the Condensed Consolidated Statement of Cash Flows. While this information may be helpful to highlight certain macro trends and business strategies, the cash flow analysis may not be as relevant when analyzing changes in our net earnings and net assets. We believe that in addition to the traditional cash flow analysis, the discussion related to liquidity, dividends, and ALM herein may provide more useful context in evaluating our liquidity position and related activity.

Net cash provided by operating activities was $1.1 billion for both the three months endedMarch 31, 2019, and 2018. Activity was largely consistent year-over-year, as cash flows from our consumer and commercial lending activities offset a decline in our leasing business.

Net cash used in investing activities was $2.0 billion for the three months endedMarch 31, 2019, compared to $4.4 billion for the same period in 2018. The decrease was primarily due to a $2.7 billion net decrease in cash outflows from purchases, sales, originations and repayments of finance receivables and loans, as repayments outpaced originations. This decrease was also driven by a $489 million increase in proceeds from equity securities, net of purchases. This was partially offset by an $814 million increase in net outflows from purchases of available-for-sale securities, net of sales and repayments.

Net cash provided by financing activities for the three months endedMarch 31, 2019, was $237 million, compared to $3.0 billion for the same period in 2018. The decrease in net cash provided by financing activities was primarily attributable to a $4.9 billion decrease in net cash inflows due to issuance of long-term debt and an increase in net cash outflows related to short-term borrowings of approximately $2.0 billion between the two periods. This was partially offset by an increase of $2.9 billion from net cash inflows associated with deposits and a decrease in net cash outflows for repayment of long-term debt of $1.3 billion.

Capital Planning and Stress Tests

Pending the adoption of proposals issued by the FRB and other U.S. banking agencies during the fourth quarter of 2018 that would implement the Economic Growth, Regulatory Relief, and Consumer Protection Act, as further described in Note 16 to the Condensed Consolidated Financial Statements, Ally is required to conduct semi-annual company-run stress tests, is subject to an annual supervisory stress test conducted by the FRB, and must submit a proposed capital plan to the FRB.

Ally’s proposed capital plan must include an assessment of our expected uses and sources of capital and a description of all planned capital actions over a nine-quarter planning horizon, including any issuance of a debt or equity capital instrument, any dividend or other capital distribution, and any similar action that the FRB determines could have an impact on Ally’s capital. The proposed capital plan must

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also include a discussion of how Ally, under expected and stressful conditions, will maintain capital commensurate with its risks and above the minimum regulatory capital ratios, and will serve as a source of strength to Ally Bank. The FRB will either object to Ally’s proposed capital plan, in whole or in part, or provide a notice of non-objection. If the FRB objects to the proposed capital plan, or if certain material events occur after approval of the plan, Ally must submit a revised capital plan within 30 days. Even if the FRB does not object to our capital plan, Ally may be precluded from or limited in paying dividends or other capital distributions without the FRB’s approval under certain circumstances—for example, when we would not meet minimum regulatory capital ratios and capital buffers after giving effect to the distributions.

The following table presents information related to our common stock and distributions to our common stockholders over the last five quarters.

	Common stock repurchased during period (a)			Number of common shares outstanding		Cash dividends declared per common share (b)
($ in millions, except per share data; shares in thousands)	Approximate dollar value		Number of shares	Beginning of period	End of period
2018
First quarter	$	185	6,473	437,054	432,691	$	0.13
Second quarter	195		7,280	432,691	425,752	0.13
Third quarter	250		9,194	425,752	416,591	0.15
Fourth quarter	309		12,121	416,591	404,900	0.15
2019
First quarter	$	211	8,113	404,900	399,761	$	0.17

(a) Includes shares of common stock withheld to cover income taxes owed by participants in our share-based incentive plans.

(b) On April 14, 2019, the Board declared a quarterly cash dividend of $0.17 per share on all common stock, payable on May 15, 2019. Refer to Note 24 to the Condensed Consolidated Financial Statements for further information regarding this common stock dividend.

Ally submitted its 2018 capital plan and company-run stress test results to the FRB on April 5, 2018. On June 21, 2018, we publicly disclosed summary results of the stress test under the severely adverse scenario in accordance with applicable regulatory requirements. On June 28, 2018, we received from the FRB a non-objection to our capital plan, which included increases in both our stock-repurchase program and our planned dividends. Consistent with the capital plan, the Board authorizedincreases in our stock-repurchase program, permitting us to repurchase up to$1.0 billionof our common stock from time to time from the third quarter of 2018 through the second quarter of 2019. Also consistent with the capital plan, on April 14, 2019, the Board declared a quarterly cash dividend of $0.17per share of our common stock. Refer to Note 24 to the Condensed Consolidated Financial Statements for further information on the most recent dividend. On October 5, 2018, we submitted to the FRB the results of our company-run mid-cycle stress test and publicly disclosed summary results under the severely adverse scenario in accordance with applicable regulatory requirements.

During the first quarter of 2019, the FRB announced that a number of large and noncomplex BHCs with $100 billion or more but less than $250 billionin total consolidated assets, including Ally, will not be required to submit a capital plan to the FRB, participate in the supervisory stress test or CCAR, or conduct company-run stress tests during the 2019 cycle. Instead, Ally’s capital actions during this cycle will be largely based on the results from its 2018 supervisory stress test.On April 1, 2019, the Board authorized an increase in our stock-repurchase program, permitting us to repurchase up to $1.25 billion of our common stock from time to time from the third quarter of 2019 through the second quarter of 2020, representing a 25% increase over our previously announced program.

Our ability to make capital distributions, including our ability to pay dividends or repurchase shares of our common stock, will continue to be subject to the FRB’s review and approval by the Board. The amount and size of any future dividends and share repurchases also will be subject to various factors, including Ally’s capital and liquidity positions, regulatory considerations, any accounting standards that affect capital or liquidity (including CECL), financial and operational performance, alternative uses of capital, common-stock price, and general market conditions, and may be suspended at any time.

Regulatory Capital

Refer to Note 16 to the Condensed Consolidated Financial Statements and the section titled Selected Financial Data within this MD&A.

Credit Ratings

The cost and availability of unsecured financing are influenced by credit ratings, which are intended to be an indicator of the creditworthiness of a particular company, security, or obligation. Lower ratings result in higher borrowing costs and reduced access to capital markets. This is particularly true for certain institutional investors whose investment guidelines require investment-grade ratings on term debt and the two highest rating categories for short-term debt (particularly money-market investors).

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Nationally recognized statistical rating organizations rate substantially all our debt. The following table summarizes our current ratings and outlook by the respective nationally recognized rating agencies.

Rating agency	Short-term	Senior unsecured debt	Outlook	Date of last action
Fitch	B	BB+	Positive	August 28, 2018 (a)
Moody’s	Not Prime	Ba2	Stable	February 11, 2019 (b)
S&P	B	BB+	Positive	October 17, 2018 (c)
DBRS	R-3	BBB (Low)	Stable	May 1, 2018 (d)

(a) Fitch affirmed our senior unsecured debt rating of BB+, affirmed our short-term rating of B, and maintained a Positive outlook on August 28, 2018.

(b) Moody’s upgraded our senior unsecured debt rating to Ba2 from Ba3, affirmed our short-term rating of Not Prime, and maintained a Stable outlook on February 11, 2019. Effective December 1, 2014, we determined to not renew our contractual arrangement with Moody’s related to their providing of our issuer, senior unsecured debt, and short-term ratings. Notwithstanding this, Moody’s has determined to continue to provide these ratings on a discretionary basis. However, Moody’s has no obligation to continue to provide these ratings, and could cease doing so at any time.

(c) Standard & Poor’s affirmed our senior unsecured debt rating of BB+, affirmed our short-term rating of B, and changed the outlook from Stable to Positive on October 17, 2018.

(d) DBRS affirmed our senior unsecured debt rating of BBB (Low), affirmed our short-term rating of R-3, and maintained a Stable outlook on May 1, 2018.

Rating agencies indicate that they base their ratings on many quantitative and qualitative factors, which may include capital adequacy, liquidity, asset quality, business mix, level and quality of earnings, and the current operating, legislative, and regulatory environment. Rating agencies themselves could make or be required to make substantial changes to their ratings policies and practices—particularly in response to legislative and regulatory changes. Potential changes in rating methodology, as well as in the legislative and regulatory environment, and the timing of those changes could impact our ratings, which as noted above could increase our borrowing costs and reduce our access to capital.

A credit rating is not a recommendation to buy, sell, or hold securities, and the ratings are subject to revision or withdrawal at any time by the assigning rating agency. Each rating should be evaluated independently of any other rating.

Off-balance Sheet Arrangements

Refer to Note 9 to the Condensed Consolidated Financial Statements.

Critical Accounting Estimates

We identified critical accounting estimates that, as a result of judgments, uncertainties, uniqueness, and complexities of the underlying accounting standards and operations involved could result in material changes to our financial condition, results of operations, or cash flows under different conditions or using different assumptions.

Our most critical accounting estimates are as follows:

• Allowance for loan losses

• Valuation of automotive lease assets and residuals

• Fair value of financial instruments

• Determination of provision for income taxes

During 2019, we did not substantively change any material aspect of our overall methodologies and processes used in developing the above estimates from what was described in the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Refer to Note 1 to the Condensed Consolidated Financial Statements for further discussion regarding the methodology used in calculating the provision for income taxes for interim financial reporting.

101

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Statistical Table

The accompanying supplemental information should be read in conjunction with the more detailed information, including our Condensed Consolidated Financial Statements and the notes thereto, which appears elsewhere in this Quarterly Report.

Net Interest Margin Table

The following table presents an analysis of net yield on interest-earning assets (or net interest margin) excluding discontinued operations for the periods shown.

	2019							2018							Increase (decrease) due to
Three months ended March 31, ($ in millions)	Average balance (a)			Interest income/interest expense		Yield/rate		Average balance (a)			Interest income/interest expense		Yield/rate		Volume			Yield/rate		Total
Assets
Interest-bearing cash and cash equivalents	$	4,212		$	23	2.21	%	$	3,503		$	15	1.74	%	$	3		$	5	$	8
Investment securities (b)	29,326			222		3.07		25,206			163		2.62		27			32		59
Loans held-for-sale, net	190			2		4.27		28			—		—		2			—		2
Finance receivables and loans, net (b) (c)	128,663			1,807		5.70		122,531			1,543		5.11		77			187		264
Investment in operating leases, net (d)	8,389			115		5.56		8,629			109		5.12		(3		)	9		6
Other earning assets	1,229			18		5.94		1,110			13		4.75		1			4		5
Total interest-earning assets	172,009			2,187		5.16		161,007			1,843		4.64							344
Noninterest-bearing cash and cash equivalents	445							514
Other assets	6,558							7,286
Allowance for loan losses	(1,248		)					(1,281		)
Total assets	$	177,764						$	167,526
Liabilities and equity
Interest-bearing deposit liabilities	$	109,172		$	592	2.20	%	$	95,299		$	351	1.49	%	$	51		$	190	$	241
Short-term borrowings	7,054			44		2.53		8,342			32		1.56		(5		)	17		12
Long-term debt (b)	42,396			419		4.01		45,535			411		3.66		(28		)	36		8
Total interest-bearing liabilities	158,622			1,055		2.70		149,176			794		2.16							261
Noninterest-bearing deposit liabilities	137							114
Total funding sources	158,759			1,055		2.70		149,290			794		2.16
Other liabilities	5,660							5,040
Total liabilities	164,419							154,330
Total equity	13,345							13,196
Total liabilities and equity	$	177,764						$	167,526
Net financing revenue and other interest income				$	1,132						$	1,049								$	83
Net interest spread (e)						2.46	%						2.48	%
Net yield on interest-earning assets (f)						2.67	%						2.64	%

(a) Average balances are calculated using a combination of monthly and daily average methodologies.

(b) Includes the effects of derivative financial instruments designated as hedges. Refer to Note 17 to the Condensed Consolidated Financial Statements for further information about the effects of our hedging activities.

(c) Nonperforming finance receivables and loans are included in the average balances. For information on our accounting policies regarding nonperforming status, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

(d) Yield includes gains on the sale of off-lease vehicles of $15 million and $18 million for the three months endedMarch 31, 2019, and 2018, respectively. Excluding these gains on sale, the annualized yield would be 4.83% and 4.28% for the three months endedMarch 31, 2019, and 2018, respectively.

(e) Net interest spread represents the difference between the rate on total interest-earning assets and the rate on total interest-bearing liabilities.

(f) Net yield on interest-earning assets represents annualized net financing revenue and other interest income as a percentage of total interest-earning assets.

102

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Recently Issued Accounting Standards

Refer to Note 1 to the Condensed Consolidated Financial Statements.

Cautionary Notice about Forward-Looking Statements and Other Terms

From time to time we have made, and in the future will make, forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements can be identified by the fact that they do not relate strictly to historical or current facts. Forward-looking statements often use words such as “believe,” “expect,” “anticipate,” “intend,” “pursue,” “seek,” “continue,” “estimate,” “project,” “outlook,” “forecast,” “potential,” “target,” “objective,” “trend,” “plan,” “goal,” “initiative,” “priorities,” or other words of comparable meaning or future-tense or conditional verbs such as “may,” “will,” “should,” “would,” or “could.” Forward-looking statements convey our expectations, intentions, or forecasts about future events, circumstances, or results.

This report, including any information incorporated by reference in this report, contains forward-looking statements. We also may make forward-looking statements in other documents that are filed or furnished with the SEC. In addition, we may make forward-looking statements orally or in writing to investors, analysts, members of the media, or others.

All forward-looking statements, by their nature, are subject to assumptions, risks, and uncertainties, which may change over time and many of which are beyond our control. You should not rely on any forward-looking statement as a prediction or guarantee about the future. Actual future objectives, strategies, plans, prospects, performance, conditions, or results may differ materially from those set forth in any forward-looking statement. While no list of assumptions, risks, or uncertainties could be complete, some of the factors that may cause actual results or other future events or circumstances to differ from those in forward-looking statements include:

• evolving local, regional, national, or international business, economic, or political conditions;

• changes in laws or the regulatory or supervisory environment, including as a result of recent financial services legislation, regulation, or policies or changes in government officials or other personnel;

• changes in monetary, fiscal, or trade laws or policies, including as a result of actions by government agencies, central banks, or supranational authorities;

• changes in accounting standards or policies, including ASU 2016-13, Financial Instruments—Credit Losses;

• changes in the automotive industry or the markets for new or used vehicles, including the rise of vehicle sharing and ride hailing, the development of autonomous and alternative-energy vehicles, and the impact of demographic shifts on attitudes and behaviors toward vehicle ownership and use;

• disruptions or shifts in investor sentiment or behavior in the securities, capital, or other financial markets, including financial or systemic shocks and volatility or changes in market liquidity, interest or currency rates, or valuations;

• changes in business or consumer sentiment, preferences, or behavior, including spending, borrowing, or saving by businesses or households;

• changes in our corporate or business strategies, the composition of our assets, or the way in which we fund those assets;

• our ability to execute our business strategy for Ally Bank, including its digital focus;

• our ability to optimize our automotive finance and insurance businesses and to continue diversifying into and growing other consumer and commercial business lines, including mortgage finance, corporate finance, brokerage, and wealth management;

• our ability to develop capital plans that will be approved by the FRB and our ability to implement them, including any payment of dividends or share repurchases;

• our ability to effectively manage capital or liquidity consistent with evolving business or operational needs, risk-management standards, and regulatory or supervisory requirements;

• our ability to cost-effectively fund our business and operations, including through deposits and the capital markets;

• changes in any credit rating assigned to Ally, including Ally Bank;

• adverse publicity or other reputational harm to us or our senior officers;

• our ability to develop, maintain, or market our products or services or to absorb unanticipated costs or liabilities associated with those products or services;

• our ability to innovate, to anticipate the needs of current or future customers, to successfully compete, to increase or hold market share in changing competitive environments, or to deal with pricing or other competitive pressures;

103

Management’s Discussion and Analysis

Ally Financial Inc. • Form 10-Q

• the continuing profitability and viability of our dealer-centric automotive finance and insurance businesses, especially in the face of competition from captive finance companies and their automotive manufacturing sponsors and challenges to the dealer’s role as intermediary between manufacturers and purchasers;

• our ability to appropriately underwrite loans that we originate or purchase and to otherwise manage credit risk;

• changes in the credit, liquidity, or other financial condition of our customers, counterparties, service providers, or competitors;

• our ability to effectively deal with economic, business, or market slowdowns or disruptions;

• judicial, regulatory, or administrative investigations, proceedings, disputes, or rulings that create uncertainty for, or are adverse to, us or the financial services industry;

• our ability to address stricter or heightened regulatory or supervisory requirements and expectations;

• the performance and availability of third-party service providers on whom we rely in delivering products and services to our customers and otherwise conducting our business and operations;

• our ability to maintain secure and functional financial, accounting, technology, data processing, or other operating systems or infrastructure, including our capacity to withstand cyberattacks;

• the adequacy of our corporate governance, risk-management framework, compliance programs, or internal controls over financial reporting, including our ability to control lapses or deficiencies in financial reporting or to effectively mitigate or manage operational risk;

• the efficacy of our methods or models in assessing business strategies or opportunities or in valuing, measuring, estimating, monitoring, or managing positions or risk;

• our ability to keep pace with changes in technology that affect us or our customers, counterparties, service providers, or competitors;

• our ability to successfully make and integrate acquisitions;

• the adequacy of our succession planning for key executives or other personnel and our ability to attract or retain qualified employees;

• natural or man-made disasters, calamities, or conflicts, including terrorist events and pandemics; or

• other assumptions, risks, or uncertainties described in the Risk Factors (Part II, Item 1A herein), Management’s Discussion and Analysis of Financial Condition and Results of Operations (Part I, Item 2 herein), or the Notes to the Condensed Consolidated Financial Statements (Part I, Item 1 herein) in this Quarterly Report on Form 10-Q or described in any of the Company’s annual, quarterly or current reports.

Any forward-looking statement made by us or on our behalf speaks only as of the date that it was made. We do not undertake to update any forward-looking statement to reflect the impact of events, circumstances, or results that arise after the date that the statement was made, except as required by applicable securities laws. You, however, should consult further disclosures (including disclosures of a forward-looking nature) that we may make in any subsequent Annual Report on Form 10-K, Quarterly Report on Form 10-Q, or Current Report on Form 8-K.

Unless the context otherwise requires, the following definitions apply. The term “loans” means the following consumer and commercial products associated with our direct and indirect financing activities: loans, retail installment sales contracts, lines of credit, and other financing products excluding operating leases. The term “operating leases” means consumer- and commercial-vehicle lease agreements where Ally is the lessor and the lessee is generally not obligated to acquire ownership of the vehicle at lease-end or compensate Ally for the vehicle’s residual value. The terms “lend,” “finance,” and “originate” mean our direct extension or origination of loans, our purchase or acquisition of loans, or our purchase of operating leases as applicable. The term “consumer” means all consumer products associated with our loan and operating-lease activities and all commercial retail installment sales contracts. The term “commercial” means all commercial products associated with our loan activities, other than commercial retail installment sales contracts.

Item 3.    Quantitative and Qualitative Disclosures about Market Risk

Refer to the Market Risk section of Item 2, Management’s Discussion and Analysis.

104

Controls and Procedures

Ally Financial Inc. • Form 10-Q

Item 4.    Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the Exchange Act), designed to ensure that information required to be disclosed in reports filed under the Exchange Act is recorded, processed, summarized, and reported within the specified time periods. Our disclosure controls and procedures are also designed to ensure that information required to be disclosed in the reports we file and submit under the Exchange Act is accumulated and communicated to management, including our Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Financial Officer), to allow for timely decisions regarding required disclosure. There are inherent limitations to the effectiveness of any system of internal control including the possibility of human error or the circumvention or overriding of controls through individual actions or collusion. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system’s objectives will be met.

As of the end of the period covered by this report, our Principal Executive Officer and Principal Financial Officer evaluated, with the participation of our management, the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) and concluded that our disclosure controls and procedures were effective.

Changes in Internal Control over Financial Reporting

In the normal course of business, we review our controls and procedures and make enhancements or modifications intended to support the quality of our financial reporting. There were no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) that occurred during the quarter ended March 31, 2019, that have materially affected, or were reasonably likely to materially affect, our internal control over financial reporting.

105

PART II — OTHER INFORMATION

Ally Financial Inc. • Form 10-Q

Item 1.    Legal Proceedings

Refer to Note 23 to the Condensed Consolidated Financial Statements (incorporated herein by reference) for a discussion related to our legal proceedings which supplements the discussion of legal proceedings set forth in Note 29 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Item 1A.    Risk Factors

There have been no material changes to the Risk Factors described in our 2018 Annual Report on Form 10-K.

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds

We did not have any unregistered sales of equity securities during the three months endedMarch 31, 2019.

Purchases of Equity Securities by the Issuer

The following table presents repurchases of our common stock, by month, for the three months endedMarch 31, 2019.

Three months ended March 31, 2019	Total number of shares repurchased (a) (in thousands)	Weighted-average price paid per share (a) (b) (in dollars)		Total number of shares repurchased as part of publicly announced program (a) (c) (in thousands)	Maximum approximate dollar value of shares that may yet be repurchased under the program (a) (b) (c) ($ in millions)
January 2019	2,440	$	24.60	2,440	$	381
February 2019	3,273	26.59		3,273	294
March 2019	2,400	26.69		2,400	230
Total	8,113	26.02		8,113

(a) Includes shares of common stock withheld to cover income taxes owed by participants in our share-based incentive plans.

(b) Excludes brokerage commissions.

(c) On June 28, 2018, we announced a common stock-repurchase program of up to $1.0 billion. The program commenced in the third quarter of 2018 and will expire on June 30, 2019. Additionally, we announced a common stock-repurchase program of up to $1.25 billion to commence in the third quarter of 2019 through the second quarter of 2020. Refer to Note 16 to the Condensed Consolidated Financial Statements for further details.

Item 3.    Defaults upon Senior Securities

None.

Item 4.    Mine Safety Disclosures

Not applicable.

Item 5.    Other Information

None.

106

Ally Financial Inc. • Form 10-Q

Item 6.    Exhibits

The exhibits listed on the following index of exhibits are filed as a part of this report.

Exhibit	Description	Method of Filing
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)	Filed herewith.
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)	Filed herewith.
32	Certification of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350	Filed herewith.
101	The following information from our Form 10-Q for the quarterly period ended March 31, 2019, formatted in eXtensible Business Reporting Language: (i) Condensed Consolidated Statement of Comprehensive Income (unaudited), (ii) Condensed Consolidated Balance Sheet (unaudited), (iii) Condensed Consolidated Statement of Changes in Equity (unaudited), (iv) Condensed Consolidated Statement of Cash Flows (unaudited), and (v) the Notes to the Condensed Consolidated Financial Statements (unaudited).	Filed herewith.

107

Signatures

Ally Financial Inc. • Form 10-Q

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Quarterly Report on Form 10-Q to be signed on its behalf by the undersigned, thereunto duly authorized, this 6th day of May, 2019.

Ally Financial Inc.

(Registrant)

/S/JENNIFER A. LACLAIR

Jennifer A. LaClair

Chief Financial Officer

/S/DAVID J. DEBRUNNER

David J. DeBrunner

Vice President, Chief Accounting Officer, and

Corporate Controller

108

EX-31.1

Exhibit 31.1

Ally Financial Inc. 

I, Jeffrey J. Brown, certify that:

1. I have reviewed this report on Form 10-Q of Ally Financial Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and 15d–15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 6, 2019

/S/JEFFREY J. BROWN

Jeffrey J. Brown

Chief Executive Officer

EX-31.2

Exhibit 31.2

Ally Financial Inc.

I, Jennifer A. LaClair, certify that:

1. I have reviewed this report on Form 10-Q of Ally Financial Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and 15d–15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 6, 2019

/S/JENNIFER A. LACLAIR

Jennifer A. LaClair

Chief Financial Officer

EX-32

Exhibit 32

Ally Financial Inc.

Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350

In connection with the Quarterly Report of Ally Financial Inc. (the Company) on Form 10-Q for the period ending March 31, 2019, as filed with the Securities and Exchange Commission on the date hereof (the Report), each of the undersigned officers of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of their knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/S/JEFFREY J. BROWN

Jeffrey J. Brown

Chief Executive Officer

May 6, 2019

/S/JENNIFER A. LACLAIR

Jennifer A. LaClair

Chief Financial Officer

May 6, 2019

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Ally Financial Inc. and will be furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - USD ($) $ in Billions	3 Months Ended
	Mar. 31, 2019	May 02, 2019	Jun. 29, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	Ally Financial Inc.
Entity Central Index Key	0000040729
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		397,159,456
Entity Current Reporting Status	Yes
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Public Float			$ 11.2

XML

Condensed Consolidated Statement of Comprehensive Income Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Financing Revenue and Other Income [Line Items]
Interest and fees on finance receivables and loans	$ 1,807	$ 1,543
Interest on loans held-for-sale	2	0
Interest and dividends on investment securities and other earning assets	240	176
Interest on cash and cash equivalents	23	15
Operating leases	361	382
Total financing revenue and other interest income	2,433	2,116
Interest Expense [Abstract]
Interest on deposits	592	351
Interest on short-term borrowings	44	32
Interest on long-term debt	419	411
Total interest expense	1,055	794
Net depreciation expense on operating lease assets	246	273
Net financing revenue and other interest income	1,132	1,049
Other revenue [Abstract]
Insurance premiums and service revenue earned	261	256
Gain on mortgage and automotive loans, net	10	1
Other (loss) gain on investments, net	108	(12)
Other income, net of losses	87	109
Total other revenue	466	354
Total net revenue	1,598	1,403
Provision for loan losses	282	261
Noninterest Expense [Abstract]
Compensation and benefits expense	318	306
Insurance losses and loss adjustment expenses	59	63
Other operating expenses	453	445
Total noninterest expense	830	814
Income from continuing operations before income tax expense	486	328
Income tax expense from continuing operations	111	76
Net income from continuing operations	375	252
Net income	374	250
Other comprehensive income (loss), net of tax	306	(328)
Comprehensive income	680	(78)
Income (loss) from discontinued operations, net of tax	$ (1)	$ (2)
Earnings Per Share, Basic [Abstract]
Net income from continuing operations, basic earnings per common share	$ 0.93	$ 0.58
Income (loss) from discontinued operations, net of tax, basic earnings per common share	0.00	(0.01)
Net income, basic earnings per common share	0.93	0.57
Earnings Per Share, Diluted [Abstract]
Net income from continuing operations, diluted earnings per common share	0.92	0.57
Income (loss) from discontinued operations, net of tax, diluted earnings per common share	0.00	(0.01)
Net income, diluted earnings per common share	0.92	0.57
Cash dividends declared per common share	$ 0.17	$ 0.13
Retained earnings
Net income	$ 374	$ 250

XML

Condensed Consolidated Balance Sheet & Mini Balance Sheet - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Assets [Abstract]
Cash and cash equivalents, noninterest-bearing	$ 946	$ 810
Cash and cash equivalents, interest-bearing	3,011	3,727
Total cash and cash equivalents	3,957	4,537
Equity securities	536	773
Available-for-sale securities	27,630	25,303
Held-to-maturity securities	2,387	2,362
Loans held-for-sale, net	107	314
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net of unearned income	130,055	129,926
Allowance for loan losses	1,288	1,242
Total finance receivables and loans, net	128,767	128,684
Investment in operating leases, net	8,339	8,417
Premiums receivable and other insurance assets	2,401	2,326
Other assets	5,993	6,153
Total assets	180,117	178,869
Liabilities and Equity [Abstract]
Deposit liabilities, noninterest-bearing	141	142
Deposit liabilities, interest-bearing	113,158	106,036
Total deposit liabilities	113,299	106,178
Short-term borrowings	6,115	9,987
Long-term debt	41,490	44,193
Interest payable	696	523
Unearned insurance premiums and service revenue	3,096	3,044
Accrued expenses and other liabilities	1,722	1,676
Total liabilities	166,418	165,601
Equity [Abstract]
Common stock and paid-in capital	21,379	21,345
Accumulated deficit	(5,195)	(5,489)
Accumulated other comprehensive loss	(225)	(539)
Treasury stock, at cost	(2,260)	(2,049)
Total equity	13,699	13,268
Total liabilities and equity	180,117	178,869
Variable interest entity
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net of unearned income	16,772	18,086
Allowance for loan losses	99	114
Total finance receivables and loans, net	16,673	17,972
Investment in operating leases, net	123	164
Other assets	636	767
Total assets	17,432	18,903
Liabilities and Equity [Abstract]
Long-term debt	9,742	10,482
Accrued expenses and other liabilities	11	12
Total liabilities	$ 9,753	$ 10,494

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Condensed Consolidated Balance Sheet & Mini Balance Sheet (Paranthetical) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	1,100,000,000	1,100,000,000
Common stock, shares issued	495,771,320	492,797,409
Common stock, shares outstanding	399,760,804	404,899,599
Treasury stock, shares	96,010,516	87,897,810
Held-to-maturity securities, fair value	$ 2,374	$ 2,307

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Condensed Consolidated Statement of Changes in Equity - USD ($) $ in Millions	Total	Common stock and paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Treasury stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity	$ 13,494	$ 21,245	$ (6,406)		$ (1,110)
Accumulated other comprehensive loss	$ (235)			$ (235)
Common stock dividends, amount per share	$ 0.13
Net income	$ 250		250
Share-based compensation	28	28
Other comprehensive income (loss)	(328)			(328)
Common stock repurchases	(185)				(185)
Common stock dividends	(58)		(58)
Equity	13,082	21,273	(6,318)		(1,295)
Accumulated other comprehensive loss	(578)			(578)
Equity	13,268	21,345	(5,489)		(2,049)
Accumulated other comprehensive loss	$ (539)			(539)
Common stock dividends, amount per share	$ 0.17
Net income	$ 374		374
Share-based compensation	34	34
Other comprehensive income (loss)	306			306
Common stock repurchases	(211)				(211)
Common stock dividends	(70)		(70)
Equity	13,699	$ 21,379	$ (5,195)		$ (2,260)
Accumulated other comprehensive loss	$ (225)			$ (225)

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Condensed Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income	$ 374	$ 250
Depreciation and amortization	369	434
Provision for loan losses	282	261
Gain (Loss) on Sales of Loans, Net	(10)	(1)
Gain (Loss) on Investments	(108)	12
Originations and purchases of loans held-for-sale	(134)	(248)
Proceeds from sales and repayments of loans held-for-sale	111	230
Increase (decrease) in deferred income taxes	100	83
Increase (decrease) in interest payable	173	120
Increase (decrease) in other operating assets	(40)	29
Increase (decrease) in other operating liabilities	37	(106)
Increase (decrease) in other operating assets and liabilities, net	(73)	33
Net cash provided by (used in) operating activities	1,081	1,097
Net Cash (Used in) Provided by Investing Activities [Abstract]
Purchases of equity securities	(48)	(374)
Proceeds from sales of equity securities	383	220
Purchases of available-for-sale securities	(3,401)	(2,360)
Proceeds from sale of available-for-sale securities	656	328
Proceeds from repayments of available-for-sale securities	694	795
Purchases of held-to-maturity securities	(131)	(155)
Proceeds from repayments of held-to-maturity securities	44	35
Purchases of finance receivables and loans held-for-investment	(1,452)	(1,497)
Proceeds from sales of finance receivables and loans initially held-for-investment	157	0
Originations and repayments of finance receivables and loans held-for-investment and other, net	1,149	(1,300)
Purchases of operating lease assets	(792)	(969)
Disposals of operating lease assets	624	976
Net change in nonmarketable equity investments	171	(19)
Payments for (proceeds from) other, net	(95)	(82)
Net cash provided by investing activities	(2,041)	(4,402)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net change in short-term borrowings	(3,872)	(1,848)
Net increase in deposits	7,114	4,173
Proceeds from issuance of long-term debt	1,766	6,665
Repayments of long-term debt	(4,490)	(5,771)
Repurchase of common stock	(211)	(185)
Dividends paid	(70)	(58)
Net cash provided by (used in) financing activities	237	2,976
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	1	(2)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Net increase (decrease) in cash and cash equivalents and restricted cash	(722)	(331)
Cash and cash equivalents and restricted cash	4,904	4,938
Cash and cash equivalents as disclosed on the Condensed Consolidated Balance Sheet	3,957	3,721
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet	947	1,217
Supplemental Cash Flow Information [Abstract]
Cash paid for interest	862	667
Cash paid for income taxes	12	5
Loans held-for-sale transferred to finance receivables and loans held-for-investment	63	0
Finance receivables and loans transferred to loans held-for-sale, noncash	20	0
Proceeds from repayments of mortgage loans held-for-investment originally designated as held-for-sale	$ 3	$ 11

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Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]

Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies

Ally Financial Inc. (together with its consolidated subsidiaries unless the context otherwise requires, Ally, the Company,or we, us, or our) is a leading digital financial-services company. As a customer-centric company with passionate customer service and innovative financial solutions, we are relentlessly focused on “Doing It Right” and being a trusted financial-services provider to our consumer, commercial, and corporate customers. We are one of the largest full-service automotive finance operations in the country and offer a wide range of financial services and insurance products to dealerships and consumers. Our award-winning online bank (Ally Bank, Member FDIC and Equal Housing Lender) offers mortgage-lending services and a variety of deposit and other banking products, including savings, money-market, and checking accounts, certificates of deposit (CDs), and individual retirement accounts (IRAs). We also support the Ally CashBack Credit Card. Additionally, we offer securities-brokerage and investment-advisory services through Ally Invest. Our robust corporate finance business offers capital for equity sponsors and middle-market companies. We are a Delaware corporation and are registered as a bank holding company (BHC) under the Bank Holding Company Act of 1956, as amended, and a financial holding company (FHC)under the Gramm-Leach-Bliley Act of 1999, as amended.

Our accounting and reporting policies conform to accounting principles generally accepted in the United States of America (GAAP). Additionally, where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and that affect income and expenses during the reporting period and related disclosures. In developing the estimates and assumptions, management uses all available evidence; however, actual results could differ because of uncertainties associated with estimating the amounts, timing, and likelihood of possible outcomes. Our most significant estimates pertain to the allowance for loan losses, valuations of automotive lease assets and residuals, fair value of financial instruments, and the determination of the provision for income taxes.

The Condensed Consolidated Financial Statements at March 31, 2019, and for the three months endedMarch 31, 2019, and 2018, are unaudited but reflect all adjustments that are, in management’s opinion, necessary for the fair presentation of the results for the interim periods presented. All such adjustments are of a normal recurring nature. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements (and the related Notes) included in our Annual Report on Form 10-K for the year ended December 31, 2018, as filed on February 20, 2019, with the U.S. Securities and Exchange Commission (SEC).

Significant Accounting Policies

Lease Accounting

At contract inception, we determine whether the contract is or contains a lease based on the terms and conditions of the contract. Lease contracts are recognized on our Condensed Consolidated Balance Sheet as right-of-use (ROU) assets and lease liabilities; however, we have elected not to recognize ROU assets and lease liabilities on real estate leases with terms of one year or less. Lease liabilities and their corresponding ROU assets are recorded based on the present value of the future lease payments over the expected lease term. As the interest rate implicit in the lease contract is typically not readily determinable, we utilize our incremental borrowing rate, which is the rate we would incur to borrow on a collateralized basis over a similar term on an amount equal to the lease payments in a similar economic environment. The ROU asset also includes initial direct costs paid less lease incentives received from the lessor. Our lease contracts are generally classified as operating and, as a result, we recognize a single lease cost within other operating expenses on the income statement on a straight-line basis over the lease term. This update to our accounting policy resulted from our adoption of Accounting Standards Update (ASU) 2016-02 on January 1, 2019, as further described within the section below titled Recently Adopted Accounting Standards.

Investments

Premiums on debt securities that have noncontingent call features that are callable at fixed prices on preset dates are amortized to the earliest call date as an adjustment to investment yield. All other premiums and discounts on debt securities are amortized over the stated maturity of the security as an adjustment to investment yield. This method of amortization differs from that described in Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K, which describes our full accounting policy for Investments. This update to our amortization methodology resulted from the adoption of ASU 2017-08 on January 1, 2019, as further described within the section below titled Recently Adopted Accounting Standards.

Income Taxes

In calculating the provision for interim income taxes, in accordance with Accounting Standards Codification (ASC) 740, Income Taxes, we apply an estimated annual effective tax rate to year-to-date ordinary income. At the end of each interim period, we estimate the effective tax rate expected to be applicable for the full fiscal year. This method differs from that described in Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K, which describes our annual significant income tax accounting policy and related methodology.

Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K regarding additional significant accounting policies.

Recently Adopted Accounting Standards

Leases (ASU 2016-02)

In February 2016, the Financial Accounting Standards Board (FASB) issued ASU 2016-02. The amendments in this update primarily replace the existing accounting requirements for operating leases for lessees. Lessee accounting requirements for finance leases (previously referred to as capital leases) and lessor accounting requirements for operating leases and sales type and direct financing leases are largely unchanged. The amendments require the lessee of an operating lease to record a balance sheet gross-up upon lease commencement by recognizing a ROU asset and lease liability equal to the present value of the lease payments. The ROU asset and lease liability should be derecognized in a manner that effectively yields a straight line lease expense over the lease term. In addition to the changes to the lessee operating lease accounting requirements, the amendments also change the types of costs that can be capitalized related to a lease agreement for both lessees and lessors. The amendments also require additional disclosures for all lease types for both lessees and lessors. The FASB issued additional ASUs to clarify the guidance and provide certain practical expedients and an additional transition option. We adopted ASU 2016-02 and the subsequent ASUs that modified ASU 2016-02 (collectively, the amendments) on January 1, 2019. This includes the early adoption of ASU 2019-01, which was issued in March 2019 to amend certain provisions included in ASU 2016-02.

We adopted this guidance using the modified retrospective approach on January 1, 2019, and have not adjusted prior period comparative information and will continue to disclose prior period financial information in accordance with the previous lease accounting guidance. We have elected certain practical expedients permitted within the amendments that allow us to not reassess (i) current lease classifications, (ii) whether existing contracts meet the definition of a lease under the amendments to the lease guidance, and (iii) whether current initial direct costs meet the new criteria for capitalization, for all existing leases as of the adoption date. We made an accounting policy election to calculate the impact of adoption using the remaining minimum lease payments and remaining lease term for each contract that was identified as a lease, discounted at our incremental borrowing rate as of the adoption date. The adoption of the amendments resulted in a ROU asset of approximately $161 million from operating leases for our various corporate facilities, a $29 million reduction to accrued expenses and other liabilities for accrued rent and unamortized tenant improvement allowances, and a lease liability of approximately $190 million. The adoption did not change our previously reported Condensed Consolidated Statements of Comprehensive Income and did not result in a cumulative catch-up adjustment to opening retained earnings.

Receivables—Nonrefundable Fees and Other Costs: Premium Amortization on Purchased Callable Debt Securities (ASU 2017-08)

In March 2017, the FASB issued ASU 2017-08. The amendments in this update require premiums on purchased callable debt securities to be amortized to the security’s earliest call date. Prior to this ASU, premiums and discounts on purchased callable debt securities were generally required to be amortized to the security’s maturity date. The amendments do not require an accounting change for securities held at a discount. We adopted the amendments on January 1, 2019, on a modified retrospective basis, which resulted in an increase to our accumulated deficit of $10 million, net of income taxes, partially offset by an $8 million decrease to accumulated other comprehensive loss, net of income taxes.

Recently Issued Accounting Standards

Financial Instruments—Credit Losses (ASU 2016-13)

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (CECL). The amendments in this update introduce a new accounting model to measure credit losses for financial assets measured at amortized cost. Credit losses for financial assets measured at amortized cost should be determined based on the total current expected credit losses over the life of the financial asset or group of financial assets. In effect, the financial asset or group of financial assets should be presented at the net amount expected to be collected. Credit losses will no longer be recorded under the current incurred loss model for financial assets measured at amortized cost. The amendments also modify the accounting for available-for-sale debt securities whereby credit losses will be recorded through an allowance for credit losses rather than a write-down to the security’s cost basis, which allows for reversals of credit losses when estimated credit losses decline. Credit losses for available-for-sale debt securities should be measured in a manner similar to current GAAP. The amendments are effective on January 1, 2020, with early adoption permitted as of January 1, 2019. The amendments must be applied using a modified retrospective approach with a cumulative-effect adjustment through retained earnings as of the beginning of the fiscal year upon adoption. We plan to adopt these amendments on January 1, 2020, and expect to utilize the modified retrospective approach as required.

The new accounting model for credit losses represents a significant departure from existing GAAP, and will materially increase the allowance for credit losses on our finance receivables and loans, with a resulting negative adjustment to retained earnings. We expect that our consumer automotive loan portfolio will generate the majority of this increase. The amount of the change in the allowance for credit losses will also be impacted by the composition of our portfolio at the adoption date, as well as economic conditions and forecasts at that time. Management created a cross-functional working group to govern the implementation of these amendments, including consideration of model development, data integrity, technology, reporting and disclosure requirements, key accounting interpretations, control environment, and corporate governance. We are in the process of refining and testing the models and procedures that will be used to calculate the credit loss reserves in accordance with these amendments. We performed a limited parallel run during the first quarter of 2019, and will continue to refine and enhance our estimation process with additional parallel testing throughout 2019. Additionally, we do not expect a material allowance for credit losses on our debt securities as a result of the standard based upon the current composition of our portfolio.

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Revenue from Contracts with Customers

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer

Revenue from Contracts with Customers

Our primary revenue sources, which include financing revenue and other interest income, are addressed by other GAAP and are not in the scope of ASC 606, Revenue from Contracts with Customers. As part of our Insurance operations, we recognize revenue from insurance contracts, which are addressed by other GAAP and are not included in the scope of this standard. Certain noninsurance contracts within our Insurance operations, including vehicle service contracts (VSCs), guaranteed asset protection (GAP) contracts, and vehicle maintenance contracts (VMCs), are included in the scope of this standard. All revenue associated with noninsurance contracts is recognized over the contract term on a basis proportionate to the anticipated cost emergence. Further, commissions and sales expense incurred to obtain these contracts are amortized over the terms of the related policies and service contracts on the same basis as premiums and service revenue are earned, and all advertising costs are recognized as expense when incurred.

The following table presents a disaggregated view of our revenue from contracts with customers included in other revenue that falls within the scope of the revenue recognition principles of ASC 606, Revenue from Contracts with Customers. For further information regarding our revenue recognition policies and details about the nature of our respective revenue streams, refer to Note 1 and Note 3 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Three months ended March 31,  ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other		Consolidated
2019
Revenue from contracts with customers
Noninsurance contracts (a) (b) (c)	$	—	$	131	$	—	$	—	$	—	$	131
Remarketing fee income	18		—		—		—		—		18
Brokerage commissions and other revenue	—		—		—		—		17		17
Deposit account and other banking fees	—		—		—		—		5		5
Brokered/agent commissions	—		3		—		—		—		3
Other	5		—		—		—		—		5
Total revenue from contracts with customers	23		134		—		—		22		179
All other revenue	45		226		2		11		3		287
Total other revenue (d)	$	68	$	360	$	2	$	11	$	25	$	466
2018
Revenue from contracts with customers
Noninsurance contracts (a) (b) (c)	$	—	$	123	$	—	$	—	$	—	$	123
Remarketing fee income	23		—		—		—		—		23
Brokerage commissions and other revenue	—		—		—		—		16		16
Deposit account and other banking fees	—		—		—		—		3		3
Brokered/agent commissions	—		4		—		—		—		4
Other	2		1		—		—		—		3
Total revenue from contracts with customers	25		128		—		—		19		172
All other revenue	41		118		1		8		14		182
Total other revenue (d)	$	66	$	246	$	1	$	8	$	33	$	354

(a) We had $2.6 billion and $2.5 billion in unearned revenue associated with outstanding contracts at January 1, 2019, and January 1, 2018, respectively, and $199 million and $194 million of these balances were recognized as insurance premiums and service revenue earned in our Condensed Consolidated Statement of Comprehensive Income during the three months ended March 31, 2019, and March 31, 2018, respectively.

(b) At March 31, 2019, we had unearned revenue of $2.7 billion associated with outstanding contracts, and with respect to this balance we expect to recognize revenue of $554 million during the remainder of 2019, $672 million in 2020, $562 million in 2021, $424 million in 2022, and $477 million thereafter. At March 31, 2018, we had unearned revenue of $2.5 billion associated with outstanding contracts.

(c) We had opening and closing balances of deferred insurance assets of $1.5 billion and $1.6 billion at January 1, 2019, and March 31, 2019, respectively, and recognized $111 million of expense during the three months endedMarch 31, 2019. We had opening and closing balances of deferred insurance assets of $1.4 billion at both January 1, 2018, and March 31, 2018, and recognized $103 million of expense during the three months ended March 31, 2018.

(d) Represents a component of total net revenue. Refer to Note 21 for further information on our reportable operating segments.

In addition to the components of other revenue presented above, as part of our Automotive Finance operations, we recognized net remarketing gains of $15 million and $18 million for the three months endedMarch 31, 2019, and March 31, 2018, respectively, on the sale of off-lease vehicles. These gains are included in depreciation expense on operating lease assets in our Condensed Consolidated Statement of Comprehensive Income.

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Other Income, Net of Losses

3 Months Ended

Mar. 31, 2019

Other Nonoperating Income (Expense) [Abstract]

Other Income and Other Expense Disclosure

Other Income, Net of Losses

Details of other income, net of losses, were as follows.

	Three months ended March 31,
($ in millions)	2019		2018
Late charges and other administrative fees	$	29	$	29
Remarketing fees	18		23
Servicing fees	6		8
Income from equity-method investments	4		6
Other, net	30		43
Total other income, net of losses	$	87	$	109

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Reserves for Insurance Losses and Loss Adjustment Expenses Reserves for Insurance Losses and Loss Adjustment Expenses

3 Months Ended

Mar. 31, 2019

Reserves for Insurance Losses and Loss Adjustment Expenses [Abstract]

Reserves for Insurance Losses and Loss Adjustment Expenses

Reserves for Insurance Losses and Loss Adjustment Expenses

The following table shows a rollforward of our reserves for insurance losses and loss adjustment expenses.

($ in millions)	2019			2018
Total gross reserves for insurance losses and loss adjustment expenses at January 1,	$	134		$	140
Less: Reinsurance recoverable	96			108
Net reserves for insurance losses and loss adjustment expenses at January 1,	38			32
Net insurance losses and loss adjustment expenses incurred related to:
Current year	59			60
Prior years (a)	—			3
Total net insurance losses and loss adjustment expenses incurred	59			63
Net insurance losses and loss adjustment expenses paid or payable related to:
Current year	(33		)	(31		)
Prior years	(23		)	(19		)
Total net insurance losses and loss adjustment expenses paid or payable	(56		)	(50		)
Net reserves for insurance losses and loss adjustment expenses at March 31,	41			45
Plus: Reinsurance recoverable	94			112
Total gross reserves for insurance losses and loss adjustment expenses at March 31,	$	135		$	157

(a) There have been no material adverse changes to the reserve for prior years.

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Other Operating Expenses

3 Months Ended

Mar. 31, 2019

Operating Expenses [Abstract]

Other Operating Income and Expense

Other Operating Expenses

Details of other operating expenses were as follows.

	Three months ended March 31,
($ in millions)	2019		2018
Insurance commissions	$	114	$	110
Technology and communications	77		71
Advertising and marketing	48		39
Lease and loan administration	39		42
Professional services	29		32
Regulatory and licensing fees	28		30
Vehicle remarketing and repossession	27		32
Premises and equipment depreciation	22		20
Occupancy	13		11
Non-income taxes	9		8
Amortization of intangible assets	3		3
Other	44		47
Total other operating expenses	$	453	$	445

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Investment Securities

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure

Investment Securities

Our investment portfolio includes various debt and equity securities. Our debt securities, which are classified as available-for-sale and held-to-maturity, include government securities, corporate bonds, asset-backed securities, and mortgage-backed securities. The cost, fair value, and gross unrealized gains and losses on available-for-sale and held-to-maturity debt securities were as follows.

	March 31, 2019									December 31, 2018
	Amortized cost		Gross unrealized					Fair value		Amortized cost		Gross unrealized					Fair value
($ in millions)			gains		losses							gains		losses
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	1,990	$	1	$	(49	)	$	1,942	$	1,911	$	—	$	(60	)	$	1,851
U.S. States and political subdivisions	771		13		(3		)	781		816		3		(17		)	802
Foreign government	170		2		—			172		145		1		(1		)	145
Agency mortgage-backed residential	18,939		98		(193		)	18,844		17,486		47		(395		)	17,138
Agency mortgage-backed commercial	316		4		—			320		3		—		—			3
Mortgage-backed residential	2,912		7		(33		)	2,886		2,796		1		(111		)	2,686
Mortgage-backed commercial	725		—		(2		)	723		715		1		(2		)	714
Asset-backed	665		4		(1		)	668		723		2		(2		)	723
Corporate debt	1,301		7		(14		)	1,294		1,286		1		(46		)	1,241
Total available-for-sale securities (a) (b) (c)	$	27,789	$	136	$	(295	)	$	27,630	$	25,881	$	56	$	(634	)	$	25,303
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential (d)	$	2,351	$	15	$	(28	)	$	2,338	$	2,319	$	6	$	(61	)	$	2,264
Asset-backed retained notes	36		—		—			36		43		—		—			43
Total held-to-maturity securities	$	2,387	$	15	$	(28	)	$	2,374	$	2,362	$	6	$	(61	)	$	2,307

(a) Certain entities related to our Insurance operations are required to deposit securities with state regulatory authorities. These deposited securities totaled $12 million at both March 31, 2019, and December 31, 2018.

(b) Certain available-for-sale securities are included in fair value hedging relationships. Refer to Note 17 for additional information.

(c) Available-for-sale securities with a fair value of $4.1 billion and $9.2 billion at March 31, 2019, and December 31, 2018, respectively, were pledged to secure advances from the Federal Home Loan Bank (FHLB), short-term borrowings or repurchase agreements, or for other purposes as required by contractual obligation or law. Under these agreements, we have granted the counterparty the right to sell or pledge $985 million and $821 million of the underlying investment securities at March 31, 2019, and December 31, 2018, respectively.

(d) Held-to-maturity securities with a fair value of $1.3 billion and $1.2 billion at March 31, 2019, and December 31, 2018, respectively, were pledged to secure advances from the FHLB.

The maturity distribution of debt securities outstanding is summarized in the following tables. Call or prepayment options may cause actual maturities to differ from contractual maturities.

	Total				Due in one year or less				Due after one year through five years				Due after five years through ten years				Due after ten years
($ in millions)	Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield
March 31, 2019
Fair value of available-for-sale securities (a)
U.S. Treasury and federal agencies	$	1,942	1.7	%	$	28	1.7	%	$	1,341	1.6	%	$	573	1.9	%	$	—	—	%
U.S. States and political subdivisions	781		3.2		52		2.7		43		2.5		212		2.7		474		3.5
Foreign government	172		2.3		41		2.1		55		2.3		73		2.4		3		2.7
Agency mortgage-backed residential	18,844		3.4		—		—		—		—		52		1.9		18,792		3.4
Agency mortgage-backed commercial	320		3.2		—		—		3		3.1		83		3.3		234		3.2
Mortgage-backed residential	2,886		3.3		—		—		—		—		—		—		2,886		3.3
Mortgage-backed commercial	723		3.8		—		—		—		—		36		4.0		687		3.8
Asset-backed	668		3.5		—		—		390		3.4		165		4.0		113		3.3
Corporate debt	1,294		3.2		152		3.1		512		2.9		606		3.4		24		5.9
Total available-for-sale securities	$	27,630	3.3		$	273	2.7		$	2,344	2.2		$	1,800	2.8		$	23,213	3.4
Amortized cost of available-for-sale securities	$	27,789			$	273			$	2,376			$	1,814			$	23,326
Amortized cost of held-to-maturity securities
Agency mortgage-backed residential	$	2,351	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	2,351	3.2	%
Asset-backed retained notes	36		2.1		—		—		36		2.1		—		—		—		—
Total held-to-maturity securities	$	2,387	3.2		$	—	—		$	36	2.1		$	—	—		$	2,351	3.2
December 31, 2018
Fair value of available-for-sale securities (a)
U.S. Treasury and federal agencies	$	1,851	1.9	%	$	12	1.0	%	$	1,277	1.8	%	$	562	2.0	%	$	—	—	%
U.S. States and political subdivisions	802		3.0		49		1.9		43		2.3		252		2.6		458		3.4
Foreign government	145		2.4		18		3.1		60		2.3		67		2.4		—		—
Agency mortgage-backed residential	17,138		3.3		—		—		—		—		54		1.9		17,084		3.3
Agency mortgage-backed commercial	3		3.1		—		—		3		3.1		—		—		—		—
Mortgage-backed residential	2,686		3.3		—		—		—		—		—		—		2,686		3.3
Mortgage-backed commercial	714		3.8		—		—		—		—		46		3.9		668		3.8
Asset-backed	723		3.5		—		—		478		3.4		121		4.0		124		3.3
Corporate debt	1,241		3.1		144		2.8		496		2.9		581		3.3		20		5.5
Total available-for-sale securities	$	25,303	3.2		$	223	2.6		$	2,357	2.4		$	1,683	2.8		$	21,040	3.3
Amortized cost of available-for-sale securities	$	25,881			$	224			$	2,405			$	1,743			$	21,509
Amortized cost of held-to-maturity securities
Agency mortgage-backed residential	$	2,319	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	2,319	3.2	%
Asset-backed retained notes	43		2.0		—		—		42		2.0		1		3.3		—		—
Total held-to-maturity securities	$	2,362	3.2		$	—	—		$	42	2.0		$	1	3.3		$	2,319	3.2

(a) Yield is calculated using the effective yield of each security at the end of the period, weighted based on the market value. The effective yield considers the contractual coupon and amortized cost, and excludes expected capital gains and losses.

The balances of cash equivalents were $56 million and $35 million at March 31, 2019, and December 31, 2018, respectively, and were composed primarily of money-market accounts and short-term securities, including U.S. Treasury bills.

The following table presents interest and dividends on investment securities.

	Three months ended March 31,
($ in millions)	2019		2018
Taxable interest	$	214	$	154
Taxable dividends	3		3
Interest and dividends exempt from U.S. federal income tax	5		6
Interest and dividends on investment securities	$	222	$	163

The following table presents gross gains and losses realized upon the sales of available-for-sale securities, and net gains or losses on equity securities held during the period. There were no other-than-temporary impairments of available-for-sale securities for the periods presented.

	Three months ended March 31,
($ in millions)	2019			2018
Available-for-sale securities
Gross realized gains	$	10		$	6
Gross realized losses (a)	(1		)	—
Net realized gains on available-for-sale securities	9			6
Net realized gain on equity securities	29			22
Net unrealized gain (loss) on equity securities	70			(40		)
Other gain (loss) on investments, net	$	108		$	(12	)

(a) Certain available-for-sale securities were sold at a loss during the three months endedMarch 31, 2019, as a result of market conditions within these periods (e.g., a downgrade in the rating of a debt security) or based on corporate actions outside of our control (such as a call by the issuer). Any such sales were made in accordance with our risk-management policies and practices.

The table below summarizes available-for-sale and held-to-maturity securities in an unrealized loss position, which we evaluated for other than temporary impairment. For additional information on our methodology, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K. As of March 31, 2019, we did not have the intent to sell the available-for-sale or held-to-maturity securities with an unrealized loss position and we do not believe it is more likely than not that we will be required to sell these securities before recovery of their amortized cost basis. As a result of this evaluation, we believe that the securities with an unrealized loss position are not considered to be other-than-temporarily impaired at March 31, 2019.

	March 31, 2019										December 31, 2018
	Less than 12 months					12 months or longer					Less than 12 months					12 months or longer
($ in millions)	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	42	$	—		$	1,749	$	(49	)	$	31	$	—		$	1,758	$	(60	)
U.S. States and political subdivisions	23		—			189		(3		)	259		(3		)	317		(14		)
Foreign government	4		—			22		—			6		—			74		(1		)
Agency mortgage-backed residential	510		(1		)	11,145		(192		)	5,537		(94		)	7,808		(301		)
Agency mortgage-backed commercial	30		—			—		—			—		—			—		—
Mortgage-backed residential	131		—			1,676		(33		)	1,024		(20		)	1,360		(91		)
Mortgage-backed commercial	517		(2		)	41		—			347		(1		)	36		(1		)
Asset-backed	6		—			214		(1		)	294		(1		)	124		(1		)
Corporate debt	105		—			764		(14		)	576		(19		)	569		(27		)
Total temporarily impaired available-for-sale securities	$	1,368	$	(3	)	$	15,800	$	(292	)	$	8,074	$	(138	)	$	12,046	$	(496	)
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential	$	86	$	—		$	1,376	$	(28	)	$	457	$	(6	)	$	1,376	$	(55	)
Asset-backed retained notes	—		—			16		—			16		—			19		—
Total held-to-maturity debt securities	$	86	$	—		$	1,392	$	(28	)	$	473	$	(6	)	$	1,395	$	(55	)

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Finance Receivables and Loans, Net

3 Months Ended

Mar. 31, 2019

Loans and Leases Receivable, Net Amount [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure

Finance Receivables and Loans, Net

The composition of finance receivables and loans reported at gross carrying value was as follows.

($ in millions)	March 31, 2019		December 31, 2018
Consumer automotive (a)	$	71,553	$	70,539
Consumer mortgage
Mortgage Finance (b)	16,225		15,155
Mortgage — Legacy (c)	1,433		1,546
Total consumer mortgage	17,658		16,701
Total consumer	89,211		87,240
Commercial
Commercial and industrial
Automotive	31,559		33,672
Other	4,516		4,205
Commercial real estate	4,769		4,809
Total commercial	40,844		42,686
Total finance receivables and loans (d)	$	130,055	$	129,926

(a) Certain finance receivables and loans are included in fair value hedging relationships. Refer to Note 17 for additional information.

(b) Includes loans originated as interest-only mortgage loans of $17 million and $18 million at March 31, 2019, and December 31, 2018, respectively, 33% of which are expected to start principal amortization in 2019, and 40% in 2020. The remainder of these loans have exited the interest-only period.

(c) Includes loans originated as interest-only mortgage loans of $305 million and $341 million at March 31, 2019, and December 31, 2018, respectively, of which 99% have exited the interest-only period.

(d) Totals include net unearned income, unamortized premiums and discounts, and deferred fees and costs of $584 million and $587 million at March 31, 2019, and December 31, 2018, respectively.

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2019($ in millions)	Consumer automotive			Consumer mortgage			Commercial			Total
Allowance at January 1, 2019	$	1,048		$	53		$	141		$	1,242
Charge-offs (a)	(352		)	(3		)	(5		)	(360		)
Recoveries	118			5			—			123
Net charge-offs	(234		)	2			(5		)	(237		)
Provision for loan losses	257			(3		)	28			282
Other (b)	(1		)	—			2			1
Allowance at March 31, 2019	$	1,070		$	52		$	166		$	1,288
Allowance for loan losses at March 31, 2019
Individually evaluated for impairment	$	46		$	22		$	58		$	126
Collectively evaluated for impairment	1,024			30			108			1,162
Finance receivables and loans at gross carrying value
Ending balance	$	71,553		$	17,658		$	40,844		$	130,055
Individually evaluated for impairment	501			227			269			997
Collectively evaluated for impairment	71,052			17,431			40,575			129,058

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

(b) Primarily related to the transfer of finance receivables and loans from held-for-sale to held-for-investment.

Three months ended March 31, 2018 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial		Total
Allowance at January 1, 2018	$	1,066		$	79		$	131	$	1,276
Charge-offs (a)	(365		)	(12		)	—		(377		)
Recoveries	112			6			—		118
Net charge-offs	(253		)	(6		)	—		(259		)
Provision for loan losses	253			1			7		261
Allowance at March 31, 2018	$	1,066		$	74		$	138	$	1,278
Allowance for loan losses at March 31, 2018
Individually evaluated for impairment	$	40		$	27		$	21	$	88
Collectively evaluated for impairment	1,026			47			117		1,190
Finance receivables and loans at gross carrying value
Ending balance	$	69,318		$	14,683		$	41,326	$	125,327
Individually evaluated for impairment	463			230			147		840
Collectively evaluated for impairment	68,855			14,453			41,179		124,487

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

The following table presents information about significant sales of finance receivables and loans and transfers of finance receivables and loans from held-for-investment to held-for-sale based on net carrying value.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	20	$	—
Consumer mortgage	—		1
Total sales and transfers (a)	$	20	$	1

(a) During the three months ended March 31, 2019, we also sold $128 million of finance receivables that were classified as held-for-sale and transferred $63 million of finance receivables from held-for-sale to held-for-investment as of March 31, 2019, both relating to equipment finance receivables from our commercial automotive business.

The following table presents information about significant purchases of finance receivables and loans based on unpaid principal balance at the time of purchase.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	99	$	168
Consumer mortgage	1,235		1,295
Total purchases of finance receivables and loans	$	1,334	$	1,463

The following table presents an analysis of our past-due finance receivables and loans recorded at gross carrying value.

($ in millions)	30–59 days past due		60–89 days past due		90 days or more past due		Total past due		Current		Total finance receivables and loans
March 31, 2019
Consumer automotive	$	1,575	$	379	$	260	$	2,214	$	69,339	$	71,553
Consumer mortgage
Mortgage Finance	52		8		9		69		16,156		16,225
Mortgage — Legacy	31		11		36		78		1,355		1,433
Total consumer mortgage	83		19		45		147		17,511		17,658
Total consumer	1,658		398		305		2,361		86,850		89,211
Commercial
Commercial and industrial
Automotive	1		8		78		87		31,472		31,559
Other	—		—		2		2		4,514		4,516
Commercial real estate	—		—		2		2		4,767		4,769
Total commercial	1		8		82		91		40,753		40,844
Total consumer and commercial	$	1,659	$	406	$	387	$	2,452	$	127,603	$	130,055
December 31, 2018
Consumer automotive	$	2,107	$	537	$	296	$	2,940	$	67,599	$	70,539
Consumer mortgage
Mortgage Finance	67		5		4		76		15,079		15,155
Mortgage — Legacy	30		10		42		82		1,464		1,546
Total consumer mortgage	97		15		46		158		16,543		16,701
Total consumer	2,204		552		342		3,098		84,142		87,240
Commercial
Commercial and industrial
Automotive	—		1		31		32		33,640		33,672
Other	—		4		16		20		4,185		4,205
Commercial real estate	—		—		1		1		4,808		4,809
Total commercial	—		5		48		53		42,633		42,686
Total consumer and commercial	$	2,204	$	557	$	390	$	3,151	$	126,775	$	129,926

The following table presents the gross carrying value of our finance receivables and loans on nonaccrual status.

($ in millions)	March 31, 2019		December 31, 2018
Consumer automotive	$	643	$	664
Consumer mortgage
Mortgage Finance	13		9
Mortgage — Legacy	62		70
Total consumer mortgage	75		79
Total consumer	718		743
Commercial
Commercial and industrial
Automotive	138		203
Other	125		142
Commercial real estate	6		4
Total commercial	269		349
Total consumer and commercial finance receivables and loans	$	987	$	1,092

Management performs a quarterly analysis of the consumer automotive, consumer mortgage, and commercial portfolios using a range of credit quality indicators to assess the adequacy of the allowance for loan losses based on historical and current trends. The following tables present the population of loans by quality indicators for our consumer automotive, consumer mortgage, and commercial portfolios.

The following table presents performing and nonperforming credit quality indicators in accordance with our internal accounting policies for our consumer finance receivables and loans recorded at gross carrying value. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or more, or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information.

	March 31, 2019						December 31, 2018
($ in millions)	Performing		Nonperforming		Total		Performing		Nonperforming		Total
Consumer automotive	$	70,910	$	643	$	71,553	$	69,875	$	664	$	70,539
Consumer mortgage
Mortgage Finance	16,212		13		16,225		15,146		9		15,155
Mortgage — Legacy	1,371		62		1,433		1,476		70		1,546
Total consumer mortgage	17,583		75		17,658		16,622		79		16,701
Total consumer	$	88,493	$	718	$	89,211	$	86,497	$	743	$	87,240

The following table presents pass and criticized credit quality indicators based on regulatory definitions for our commercial finance receivables and loans recorded at gross carrying value.

	March 31, 2019						December 31, 2018
($ in millions)	Pass		Criticized (a)		Total		Pass		Criticized (a)		Total
Commercial and industrial
Automotive	$	28,774	$	2,785	$	31,559	$	30,799	$	2,873	$	33,672
Other	3,711		805		4,516		3,373		832		4,205
Commercial real estate	4,526		243		4,769		4,538		271		4,809
Total commercial	$	37,011	$	3,833	$	40,844	$	38,710	$	3,976	$	42,686

(a) Includes loans classified as special mention, substandard, or doubtful. These classifications are based on regulatory definitions and generally represent loans within our portfolio that have a higher default risk or have already defaulted.

Impaired Loans and Troubled Debt Restructurings

Impaired Loans

Loans are considered impaired when we determine it is probable that we will be unable to collect all amounts due according to the terms of the loan agreement. For more information on our impaired finance receivables and loans, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

The following table presents information about our impaired finance receivables and loans.

($ in millions)	Unpaid principal balance (a)		Gross carrying value		Impaired with no allowance		Impaired with an allowance		Allowance for impaired loans
March 31, 2019
Consumer automotive	$	509	$	501	$	99	$	402	$	46
Consumer mortgage
Mortgage Finance	15		15		6		9		1
Mortgage — Legacy	216		212		65		147		21
Total consumer mortgage	231		227		71		156		22
Total consumer	740		728		170		558		68
Commercial
Commercial and industrial
Automotive	138		138		41		97		18
Other	144		125		56		69		40
Commercial real estate	6		6		3		3		—
Total commercial	288		269		100		169		58
Total consumer and commercial finance receivables and loans	$	1,028	$	997	$	270	$	727	$	126
December 31, 2018
Consumer automotive	$	503	$	495	$	105	$	390	$	44
Consumer mortgage
Mortgage Finance	15		15		6		9		1
Mortgage — Legacy	221		216		65		151		22
Total consumer mortgage	236		231		71		160		23
Total consumer	739		726		176		550		67
Commercial
Commercial and industrial
Automotive	203		203		112		91		10
Other	159		142		40		102		46
Commercial real estate	4		4		4		—		—
Total commercial	366		349		156		193		56
Total consumer and commercial finance receivables and loans	$	1,105	$	1,075	$	332	$	743	$	123

(a) Adjusted for charge-offs.

The following table presents average balance and interest income for our impaired finance receivables and loans.

	2019				2018
Three months ended March 31, ($ in millions)	Average balance		Interest income		Average balance		Interest income
Consumer automotive	$	499	$	8	$	444	$	7
Consumer mortgage
Mortgage Finance	15		—		9		—
Mortgage — Legacy	214		3		221		2
Total consumer mortgage	229		3		230		2
Total consumer	728		11		674		9
Commercial
Commercial and industrial
Automotive	170		1		47		1
Other	130		—		52		—
Commercial real estate	5		—		3		—
Total commercial	305		1		102		1
Total consumer and commercial finance receivables and loans	$	1,033	$	12	$	776	$	10

Troubled Debt Restructurings

Troubled Debt Restructurings (TDRs) are loan modifications where concessions were granted to borrowers experiencing financial difficulties. For consumer automotive loans, we may offer several types of assistance to aid our customers, including payment extensions and rewrites of the loan terms. Additionally, for mortgage loans, as part of certain programs, we offer mortgage loan modifications to qualified borrowers. These programs are in place to provide support to our mortgage customers in financial distress, including principal forgiveness, maturity extensions, delinquent interest capitalization, and changes to contractual interest rates. Total TDRs recorded at gross carrying value were $837 million and $812 million at March 31, 2019, and December 31, 2018, respectively.

Total commitments to lend additional funds to borrowers whose terms had been modified in a TDR were $13 million and $4 million at March 31, 2019, and December 31, 2018, respectively. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information.

The following table presents information related to finance receivables and loans recorded at gross carrying value modified in connection with a TDR during the period.

	2019					2018
Three months ended March 31, ($ in millions)	Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value		Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value
Consumer automotive	7,427	$	129	$	111	7,042	$	128	$	110
Consumer mortgage
Mortgage Finance	1	—		—		1	1		1
Mortgage — Legacy	20	3		3		62	10		9
Total consumer mortgage	21	3		3		63	11		10
Total consumer finance receivables and loans	7,448	132		114		7,105	139		120
Commercial
Commercial and Industrial
Automotive	6	41		41		—	—		—
Total commercial	6	41		41		—	—		—
Total consumer and commercial finance receivables and loans	7,454	$	173	$	155	7,105	$	139	$	120

The following table presents information about finance receivables and loans recorded at gross carrying value that have redefaulted during the reporting period and were within twelve months or less of being modified as a TDR. Redefault is when finance receivables and loans meet the requirements for evaluation under our charge-off policy (refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information) except for commercial finance receivables and loans, where redefault is defined as 90 days past due.

	2019					2018
Three months ended March 31, ($ in millions)	Number of loans	Gross carrying value		Charge-off amount		Number of loans	Gross carrying value		Charge-off amount
Consumer automotive	2,209	$	26	$	16	2,326	$	28	$	18
Total consumer finance receivables and loans	2,209	$	26	$	16	2,326	$	28	$	18

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Leasing

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Leases

Leasing

On January 1, 2019, we adopted the amendments to the lease accounting principles. Refer to the section titled Recently Adopted Accounting Standards in Note 1 for additional information.

Ally as the Lessee

We have operating leases for our corporate facilities, which have remaining lease terms of 6 months to 13 years. Most of the property leases have fixed payment terms with annual fixed-escalation clauses and include options to extend the leases for periods that range from 1 to 15 years. Some of those lease agreements also include options to terminate the leases in periods that range from 2 to 5 years after the commencement of the leases. We have not included any of these term extensions or termination provisions in our estimates of the lease term, as we do not consider it reasonably certain that the options will be exercised. Our property-lease agreements contain a lease component, which includes the right to use the real estate, and non-lease components, which include utilities and common area maintenance services. Lease components are accounted for under the ASC Topic on Leases, while non-lease components are accounted for under other GAAP Topics. We elected the practical expedient to account for the lease and non-lease components for property leases as a single lease component. Additional variable-rent payments made during the lease term are not based on a rate or index and are excluded from the calculations of ROU assets and lease liabilities and recognized as a component of variable lease expense as incurred.

We also have operating leases for a fleet of vehicles that is used by our sales force for business purposes, with noncancellable lease terms of 367 days. Thereafter, the leases are month-to-month, up to a maximum of 48 months from inception. In addition to lease costs related to the vehicles, the lease contracts include non-lease components such as maintenance, fuel, and administrative services. We elected to account for the lease and non-lease components separately. As a result, the non-lease components are excluded from the calculation of the ROU asset and lease liability and are recognized as other operating expenses as incurred.

The following table details our total investment in operating leases.

($ in millions)	March 31, 2019		January 1, 2019 (a)
Assets
Operating lease right-of-use assets (b)	$	177	$	161
Liabilities
Operating lease liabilities (c)	$	206	$	190

(a) Date of adoption.

(b) Included in other assets on our Condensed Consolidated Balance Sheet.

(c) Included in accrued expenses and other liabilities on our Condensed Consolidated Balance Sheet.

During the three months endedMarch 31, 2019, we paid $12 million in cash for amounts included in the measurement of lease liabilities at March 31, 2019. This amount is included in net cash provided by operating activities in the Condensed Consolidated Statement of Cash Flows. During the three months endedMarch 31, 2019, we obtained $27 million of ROU assets in exchange for new operating lease liabilities. As of March 31, 2019, the weighted-average remaining lease term of our operating lease portfolio was 7 years, and the weighted-average discount rate was 2.98%.

The following table presents future minimum rental payments we are required to make under operating leases that have commenced as of March 31, 2019, and that have noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	36
2020	46
2021	36
2022	24
2023	16
2024 and thereafter	71
Total undiscounted cash flows	229
Difference between undiscounted cash flows and discounted cash flows	(23		)
Total lease liability	$	206

In addition to the above, we entered into a forward-starting lease agreement in September 2017, for a new corporate facility in Charlotte, North Carolina, where we plan to consolidate several existing facilities into that location. The lessor and their agents are currently constructing the facilities at this location, with the lease scheduled to commence in April 2021 after construction is completed. The lease agreement will have a total of $290 million in undiscounted future lease payments over the 15 year term of the lease.

Future minimum rental payments required under operating leases as of December 31, 2018, prior to the date of adoption and as defined by the previous lease accounting guidance, with noncancellable lease terms expiring after December 31, 2018, were as follows.

Year ended December 31, ($ in millions)
2019	$	48
2020	47
2021	46
2022	37
2023	31
2024 and thereafter	294
Total minimum payments required	$	503

The following table details the components of total net operating lease expense.

	Three months ended March 31,
($ in millions)	2019		2018
Operating lease expense	$	11	$	10
Variable lease expense	2		2
Total lease expense, net (a)	$	13	$	12

(a) Included in other operating expenses in our Condensed Consolidated Statement of Comprehensive Income.

Ally as the Lessor

Investment in Operating Leases

We purchase consumer operating lease contracts and the associated vehicles from dealerships after those contracts are executed by the dealers and the consumers. The amount we pay a dealer for an operating lease contract is based on the negotiated price for the vehicle less vehicle trade-in, down payment from the consumer, and available automotive manufacturer incentives. Under the operating lease, the consumer is obligated to make payments in amounts equal to the amount by which the negotiated purchase price of the vehicle (less any trade-in value, down payment, or available manufacturer incentives) exceeds the contract residual value (including residual support) of the vehicle at lease termination, plus operating lease rental charges. The customer can terminate the lease at any point after commencement, subject to additional charges and fees. Both the consumer and the dealership have the option to purchase the vehicle at the end of the lease term, which can range from 24 to 60 months, at the residual value of the vehicle, however it is not reasonably certain this option will be exercised and as such our consumer leases are classified as operating leases. We have made an accounting policy election to exclude the sales taxes we collect from consideration in the lease contract and from variable lease payments not included in contract consideration. In addition to the charges described above, the consumer is generally responsible for certain charges related to excess mileage or excessive wear and tear on the vehicle. These charges are deemed variable lease payments and, as these payments are not based on a rate or index, they are recognized as net depreciation expense on operating lease assets in our Condensed Consolidated Statement of Comprehensive Income as incurred.

When we acquire a consumer operating lease, we assume ownership of the vehicle from the dealer. We require that property damage, bodily injury, collision, and comprehensive insurance be obtained by the lessee on all consumer operating leases. Neither the consumer nor the dealer is responsible for the value of the vehicle at the time of lease termination. When vehicles are not purchased by customers or the receiving dealer at scheduled lease termination, the vehicle is returned to us for remarketing. We generally bear the risk of loss to the extent the value of a leased vehicle upon remarketing is below the expected residual value. At contract inception, we determine pricing based on the projected residual value of the leased vehicle. This evaluation is primarily based on a proprietary model, which includes variables such as age, expected mileage, seasonality, segment factors, vehicle type, economic indicators, production cycle, automotive manufacturer incentives, and shifts in used-vehicle supply. This internally-generated data is compared against third-party, independent data for reasonableness. Periodically, we revise the projected value of the leased vehicle at termination based on current market conditions and adjust depreciation expense if necessary over the remaining life of the contract. At termination, our actual sales proceeds from remarketing the vehicle may be higher or lower than the estimated residual value resulting in a gain or loss on remarketing, which is included in net depreciation expense on operating lease assets in our Condensed Consolidated Statement of Comprehensive Income. Excessive mileage or excessive wear and tear on the vehicle during the lease may impact the sales proceeds received upon remarketing. As of March 31, 2019, consumer operating leases with a carrying value, net of accumulated depreciation, of $394 million were covered by a residual value guarantee of 15% of the manufacturer’s suggested retail price.

The following table details our investment in operating leases.

($ in millions)	March 31, 2019			December 31, 2018
Vehicles	$	9,903		$	9,995
Accumulated depreciation	(1,564		)	(1,578		)
Investment in operating leases, net	$	8,339		$	8,417

The following table presents future minimum rental payments we have the right to receive under operating leases with noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	1,024
2020	933
2021	402
2022	57
2023	5
2024 and thereafter	—
Total lease payments from operating leases	$	2,421

We recognized $361 million and $382 million in operating lease revenue for the three months endedMarch 31, 2019, and March 31, 2018, respectively. Depreciation expense on operating lease assets includes remarketing gains and losses recognized on the sale of operating lease assets. The following table summarizes the components of depreciation expense on operating lease assets.

	Three months ended March 31,
($ in millions)	2019			2018
Depreciation expense on operating lease assets (excluding remarketing gains)	$	261		$	291
Remarketing gains, net	(15		)	(18		)
Net depreciation expense on operating lease assets	$	246		$	273

Finance Leases

Our total gross investment in finance leases, which is included in finance receivables and loans, net, on our Condensed Consolidated Balance Sheet was $481 million and $439 million as of March 31, 2019, and December 31, 2018, respectively. This includes lease payment receivables of $465 million and $425 million and unguaranteed residual assets of $16 million and $14 million, respectively, as of March 31, 2019, and December 31, 2018. Interest income on finance lease receivables was $6 million for both the three months endedMarch 31, 2019, and March 31, 2018, and is included in interest and fees on finance receivables and loans in our Condensed Consolidated Statement of Comprehensive Income.

The following table presents future minimum rental payments we have the right to receive under finance leases with noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	110
2020	139
2021	134
2022	67
2023	38
2024 and thereafter	29
Total undiscounted cash flows	517
Difference between undiscounted cash flows and discounted cash flows	(52		)
Present value of lease payments recorded as lease receivable	$	465

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Securitizations and Variable Interest Entities

3 Months Ended

Mar. 31, 2019

Securitizations And Variable Interest Entities [Abstract]

Variable Interest Entity Disclosure

Securitizations and Variable Interest Entities

We securitize, transfer, and service consumer and commercial automotive loans, and operating leases. We often securitize these loans and notes secured by operating leases (collectively referred to as financial assets) using special purpose entities (SPEs). An SPE is a legal entity that is designed to fulfill a specified limited need of the sponsor. Our principal use of SPEs is to obtain liquidity by securitizing certain of our financial assets. SPEs are often variable interest entities (VIEs) and may or may not be included on our Condensed Consolidated Balance Sheet.

VIEs are legal entities that either have an insufficient amount of equity at risk for the entity to finance its activities without additional subordinated financial support or, as a group, the holders of the equity investment at risk lack the ability to control the entity’s activities that most significantly impact economic performance through voting or similar rights, or do not have the obligation to absorb the expected losses or the right to receive expected residual returns of the entity.

The VIEs included on the Condensed Consolidated Balance Sheet represent SPEs where we are deemed to be the primary beneficiary, primarily due to our servicing activities and our beneficial interests in the VIE that could be potentially significant.

The nature, purpose, and activities of nonconsolidated SPEs are similar to those of our consolidated SPEs with the primary difference being the nature and extent of our continuing involvement. For nonconsolidated SPEs, the transferred financial assets are removed from our balance sheet provided the conditions for sale accounting are met. The financial assets obtained from the securitization are primarily reported as cash or retained interests (if applicable). Liabilities incurred as part of these securitizations, are recorded at fair value at the time of sale and are reported as accrued expenses and other liabilities on our Condensed Consolidated Balance Sheet. Upon the sale of the loans, we recognize a gain or loss on sale for the difference between the assets recognized, the assets derecognized, and the liabilities recognized as part of the transaction. With respect to our ongoing right to service the assets we sell, the servicing fee we receive represents adequate compensation, and consequently, we do not recognize a servicing asset or liability.

There were no sales of financial assets into nonconsolidated VIEs for both the three months endedMarch 31, 2019, and March 31, 2018.

We provide long-term guarantee contracts to investors in certain nonconsolidated affordable housing entities and have extended a line of credit to provide liquidity. Since we do not have control over the entities or the power to make decisions, we do not consolidate the entities and our involvement is limited to the guarantee and the line of credit.

We are involved with various other nonconsolidated equity investments, including affordable housing entities and venture capital funds and loan funds. We do not consolidate these entities and our involvement is limited to our outstanding investment, additional capital committed to these funds plus any previously recognized low income housing tax credits that are subject to recapture.

Refer to Note 1 and Note 11 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for further description of our securitization activities and our involvement with VIEs.

The following table presents our involvement in consolidated and nonconsolidated VIEs in which we hold variable interests. For additional detail related to the assets and liabilities of consolidated variable interest entities refer to the Condensed Consolidated Balance Sheet.

($ in millions)	Carrying value of total assets			Carrying value of total liabilities			Assets sold to nonconsolidated VIEs (a)		Maximum exposure to loss in nonconsolidated VIEs
March 31, 2019
On-balance sheet variable interest entities
Consumer automotive	$	16,226	(b)	$	6,480	(c)
Commercial automotive	9,620			3,297
Off-balance sheet variable interest entities
Consumer automotive	38		(d)	—			$	957	$	995	(e)
Commercial other	867		(f)	343		(g)	—		1,115		(h)
Total	$	26,751		$	10,120		$	957	$	2,110
December 31, 2018
On-balance sheet variable interest entities
Consumer automotive	$	16,255	(b)	$	6,573	(c)
Commercial automotive	11,089			3,946
Off-balance sheet variable interest entities
Consumer automotive	45		(d)	—			$	1,235	$	1,280	(e)
Commercial other	806		(f)	326		(g)	—		1,054		(h)
Total	$	28,195		$	10,845		$	1,235	$	2,334

(a) Asset values represent the current unpaid principal balance of outstanding consumer finance receivables and loans within the VIEs.

(b) Includes $8.4 billion of assets that were not encumbered by VIE beneficial interests held by third parties at both March 31, 2019, and December 31, 2018. Ally or consolidated affiliates hold the interests in these assets.

(c) Includes $24 million and $25 million of liabilities that were not obligations to third-party beneficial interest holders at March 31, 2019, and December 31, 2018, respectively.

(d) Represents retained notes and certificated residual interests, of which $36 million and $43 million were classified as held-to-maturity securities at March 31, 2019, and December 31, 2018, respectively, and $2 million were classified as other assets at both March 31, 2019, and December 31, 2018. These assets represent our five percent interest in the credit risk of the assets underlying asset-backed securitizations.

(e) Maximum exposure to loss represents the current unpaid principal balance of outstanding loans, retained notes, certificated residual interests, as well as certain noncertificated interests retained from the sale of automotive finance receivables. This measure is based on the very unlikely event that all of our sold loans have defects that would trigger a representation and warranty provision and the underlying collateral supporting the loans becomes worthless. This required disclosure is not an indication of our expected loss.

(f) Amounts are classified as other assets.

(g) Amounts are classified as accrued expenses and other liabilities.

(h) For certain nonconsolidated affordable housing entities, maximum exposure to loss represents the yield we guaranteed investors through long-term guarantee contracts. The amount disclosed is based on the unlikely event that the underlying properties cease generating yield to investors and the yield delivered to investors in the form of low income tax housing credits is recaptured. For nonconsolidated equity investments, maximum exposure to loss represents our outstanding investment, additional committed capital, and low income housing tax credits subject to recapture. The amount disclosed is based on the unlikely event that our committed capital is funded, our investments become worthless, and the tax credits previously delivered to us are recaptured. This required disclosure is not an indication of our expected loss.

Cash Flows with Off-balance Sheet Securitization Entities

The following table summarizes cash flows received and paid related to SPEs and asset-backed financings where the transfer is accounted for as a sale and we have a continuing involvement with the transferred consumer automotive assets (e.g., servicing) that were outstanding during the three months endedMarch 31, 2019, and 2018. Additionally, this table contains information regarding cash flows received from and paid to nonconsolidated SPEs that existed during each period.

Three months ended March 31, ($ in millions)	Consumer automotive
2019
Cash flows received on retained interests in securitization entities	$	7
Servicing fees	3
Cash disbursements for repurchases during the period	(1		)
2018
Cash flows received on retained interests in securitization entities	$	5
Servicing fees	5
Cash disbursements for repurchases during the period	(1		)

Delinquencies and Net Credit Losses

The following tables present quantitative information about delinquencies and net credit losses for off-balance sheet securitizations and whole-loan sales where we have continuing involvement.

	Total amount				Amount 60 days or more past due
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Off-balance sheet securitization entities
Consumer automotive	$	957	$	1,235	$	8	$	13
Whole-loan sales (a)
Consumer automotive	503		634		2		3
Total	$	1,460	$	1,869	$	10	$	16

(a) Whole-loan sales are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

	Net credit losses
	Three months ended March 31,
($ in millions)	2019		2018
Off-balance sheet securitization entities
Consumer automotive	$	2	$	3
Whole-loan sales (a)
Consumer automotive	—		1
Total	$	2	$	4

(a) Whole-loan sales are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

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Other Assets

3 Months Ended

Mar. 31, 2019

Other Assets [Abstract]

Other Assets Disclosure

Other Assets

The components of other assets were as follows.

($ in millions)	March 31, 2019			December 31, 2018
Property and equipment at cost	$	1,286		$	1,250
Accumulated depreciation	(708		)	(686		)
Net property and equipment	578			564
Nonmarketable equity investments (a)	1,240			1,410
Restricted cash held for securitization trusts (b)	838			965
Investment in qualified affordable housing projects (c)	687			649
Accrued interest, fees, and rent receivables	624			599
Equity-method investments (d)	289			262
Other accounts receivable	269			203
Goodwill (e)	240			240
Net deferred tax assets	137			317
Restricted cash and cash equivalents (f)	109			124
Fair value of derivative contracts in receivable position (g)	22			41
Cash collateral placed with counterparties	20			26
Other assets	940			753
Total other assets	$	5,993		$	6,153

(a) Includes investments in FHLB stock of $732 million and $903 million at March 31, 2019, and December 31, 2018, respectively; Federal Reserve Bank (FRB) stock of $448 million at both March 31, 2019, and December 31, 2018; and equity securities without a readily determinable fair value of $60 million and $59 million at March 31, 2019, and December 31, 2018, respectively, measured at cost with adjustments for impairment and observable changes in price. Through March 31, 2019, we recorded $3 million of cumulative impairments and downward adjustments related to equity securities without a readily determinable fair value.

(b) Includes restricted cash collected from customer payments on securitized receivables, which are distributed by us to investors as payments on the related secured debt, and cash reserve deposits utilized as a form of credit enhancement for various securitization transactions.

(c) Investment in qualified affordable housing projects are accounted for using the proportional amortization method of accounting and include $336 million and $319 million of unfunded commitments to provide additional capital contributions to investees at March 31, 2019, and December 31, 2018, respectively. Substantially all of the unfunded commitments at March 31, 2019, are expected to be paid out over the next five years.

(d) Primarily relates to investments made in connection with our Community Reinvestment Act (CRA) program.

(e) Includes goodwill of $27 million within our Insurance operations at both March 31, 2019, and December 31, 2018; $193 million within Corporate and Other at both March 31, 2019, and December 31, 2018; and $20 million within Automotive Finance operations at both March 31, 2019, and December 31, 2018. No changes to the carrying amount of goodwill were recorded during the three months endedMarch 31, 2019.

(f) Primarily represents a number of arrangements with third parties where certain restrictions are placed on balances we hold due to collateral agreements associated with operational processes with a third-party bank, or letter of credit arrangements and corresponding collateral requirements.

(g) For additional information on derivative instruments and hedging activities, refer to Note 17.

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Deposit Liabilities

3 Months Ended

Mar. 31, 2019

Deposits [Abstract]

Deposit Liabilities Disclosures

Deposit Liabilities

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2019		December 31, 2018
Noninterest-bearing deposits	$	141	$	142
Interest-bearing deposits
Savings and money-market checking accounts	60,258		56,050
Certificates of deposit	52,899		49,985
Other deposits	1		1
Total deposit liabilities	$	113,299	$	106,178

At March 31, 2019, and December 31, 2018, certificates of deposit included $22.1 billion and $21.0 billion, respectively, of those in denominations of $100 thousand or more. At March 31, 2019, and December 31, 2018, certificates of deposit included $6.6 billion and $6.1 billion, respectively, of those in denominations in excess of $250 thousand federal insurance limits.

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Debt

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Debt Disclosure

Debt

Short-term Borrowings

The following table presents the composition of our short-term borrowings portfolio.

	March 31, 2019						December 31, 2018
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	2,486	$	—	$	2,486	$	2,477	$	—	$	2,477
Federal Home Loan Bank	—		2,775		2,775		—		6,825		6,825
Securities sold under agreements to repurchase	—		854		854		—		685		685
Total short-term borrowings	$	2,486	$	3,629	$	6,115	$	2,477	$	7,510	$	9,987

(a) Refer to the section below titled Long-term Debt for further details on assets restricted as collateral for payment of the related debt.

We periodically enter into term repurchase agreements—short-term borrowing agreements in which we sell securities to one or more investors while simultaneously committing to repurchase them at a specified future date, at the stated price plus accrued interest. As of March 31, 2019, the securities sold under agreements to repurchase consisted of$448 million of U.S. Treasury securities and$406 million of agency mortgage-backed residential debt securities set to mature as follows:$513 million within 30 days, $268 millionwithin 31 to 60 days, and $73 million within 61 to 90 days. Refer to Note 6 and Note 20 for further details.

The primary risk associated with these repurchase agreements is that the counterparty will be unable to perform under the terms of the contract. As the borrower, we are exposed to the excess market value of the securities pledged over the amount borrowed. Daily mark-to-market collateral management is designed to limit this risk to the initial margin. However, should a counterparty declare bankruptcy or become insolvent, we may incur additional delays and costs. In some instances, we may place or receive cash collateral with counterparties under collateral arrangements associated with our repurchase agreements. At March 31, 2019, we did not place any collateral, and we received cash collateral totaling$8 millionand noncash collateral totaling$3 million. At December 31, 2018, we did not place any collateral, and we received cash collateral totaling $8 million and noncash collateral totaling $4 million.

Long-term Debt

The following table presents the composition of our long-term debt portfolio.

	March 31, 2019						December 31, 2018
($ in millions)	Unsecured		Secured		Total		Unsecured		Secured		Total
Long-term debt (a)
Due within one year	$	2,630	$	6,948	$	9,578	$	1,663	$	7,313	$	8,976
Due after one year	8,708		23,204		31,912		10,444		24,773		35,217
Total long-term debt (b) (c)	$	11,338	$	30,152	$	41,490	$	12,107	$	32,086	$	44,193

(a) Includes basis adjustments related to the application of hedge accounting. Refer to Note 17 for additional information.

(b) Includes $2.6 billion of trust preferred securities at both March 31, 2019, and December 31, 2018.

(c) Includes advances net of hedge basis adjustment from the FHLB of Pittsburgh of $14.7 billion and $14.9 billion at March 31, 2019, and December 31, 2018, respectively.

The following table presents the scheduled remaining maturity of long-term debt at March 31, 2019, assuming no early redemptions will occur. The amounts below include adjustments to the carrying value resulting from the application of hedge accounting. The actual payment of secured debt may vary based on the payment activity of the related pledged assets.

($ in millions)	2019			2020			2021			2022			2023			2024 and thereafter			Total
Unsecured
Long-term debt	$	917		$	2,258		$	697		$	1,075		$	12		$	7,504		$	12,463
Original issue discount	(31		)	(41		)	(45		)	(49		)	(56		)	(903		)	(1,125		)
Total unsecured	886			2,217			652			1,026			(44		)	6,601			11,338
Secured
Long-term debt	4,998			6,909			10,185			6,008			1,236			816			30,152
Total long-term debt	$	5,884		$	9,126		$	10,837		$	7,034		$	1,192		$	7,417		$	41,490

The following summarizes assets restricted as collateral for the payment of the related debt obligation primarily arising from securitization transactions accounted for as secured borrowings and repurchase agreements.

	March 31, 2019					December 31, 2018
($ in millions)	Total (a)			Ally Bank		Total (a)			Ally Bank
Investment securities (b)	$	5,243		$	4,357	$	10,280		$	9,564
Mortgage assets held-for-investment and lending receivables	17,447			17,447		16,498			16,498
Consumer automotive finance receivables	15,882			9,777		17,015			9,715
Commercial automotive finance receivables	14,269			14,269		15,563			15,563
Operating leases	132			—		170			—
Total assets restricted as collateral (c) (d)	$	52,973		$	45,850	$	59,526		$	51,340
Secured debt	$	33,781	(e)	$	27,233	$	39,596	(e)	$	32,072

(a) Ally Bank is a component of the total column.

(b) A portion of the restricted investment securities at March 31, 2019, and December 31, 2018, were restricted under repurchase agreements. Refer to the section above titled Short-term Borrowings for information on the repurchase agreements.

(c) Ally Bank has an advance agreement with the FHLB, and had assets pledged to secure borrowings that were restricted as collateral to the FHLB totaling $26.6 billion and $30.8 billion at March 31, 2019, and December 31, 2018, respectively. These assets were composed primarily of consumer mortgage finance receivables and loans and investment securities. Ally Bank has access to the FRB Discount Window. Ally Bank had assets pledged and restricted as collateral to the FRB totaling $2.4 billion at both March 31, 2019, and December 31, 2018. These assets were composed of consumer automotive finance receivables and loans. Availability under these programs is only for the operations of Ally Bank and cannot be used to fund the operations or liabilities of Ally or its subsidiaries.

(d) Excludes restricted cash and cash reserves for securitization trusts recorded within other assets on the Condensed Consolidated Balance Sheet. Refer to Note 10 for additional information.

(e) Includes $3.6 billion and $7.5 billion of short-term borrowings at March 31, 2019, and December 31, 2018, respectively.

Trust Preferred Securities

At both March 31, 2019, and December 31, 2018, we had issued and outstanding approximately $2.6 billion in aggregate liquidation preference of 8.125% Fixed Rate/Floating Rate Trust Preferred Securities, Series 2 (Series 2 TRUPS). Each Series 2 TRUPS security has a liquidation amount of $25. Distributions are cumulative and are payable until redemption at the applicable coupon rate. Distributions are payable at an annual rate equal to three-month London interbank offered rate plus 5.785% payable quarterly in arrears. Ally has the right to defer payments of interest for a period not exceeding 20 consecutive quarters. The Series 2 TRUPS have no stated maturity date, but must be redeemed upon the redemption or maturity of the related debentures (Debentures), which mature on February 15, 2040. Ally at any time may redeem the Series 2 TRUPS at a redemption price equal to 100% of the principal amount being redeemed, plus accrued and unpaid interest through the date of redemption. The Series 2 TRUPS are generally nonvoting, other than with respect to certain limited matters. During any period in which any Series 2 TRUPS remain outstanding but in which distributions on the Series 2 TRUPS have not been fully paid, none of Ally or its subsidiaries will be permitted to (i) declare or pay dividends on, make any distributions with respect to, or redeem, purchase, acquire or otherwise make a liquidation payment with respect to, any of Ally’s capital stock or make any guarantee payment with respect thereto; or (ii) make any payments of principal, interest, or premium on, or repay, repurchase or redeem, any debt securities or guarantees that rank on a parity with or junior in interest to the Debentures with certain specified exceptions in each case.

Funding Facilities

We utilize both committed secured credit facilities and other collateralized funding vehicles. The debt outstanding under our various funding facilities is included on our Condensed Consolidated Balance Sheet.

As of March 31, 2019, Ally Bank had exclusive access to $3.8 billion of funding capacity from committed credit facilities. Ally Bank’s credit facilities are complemented by the FRB and FHLB funding programs.

The total capacity in our credit facilities is provided by banks through private transactions. The facilities can be revolving in nature, generally having an original tenor ranging from 364 days to two years, and allow for additional funding during the commitment period, or they can be amortizing and not allow for any further funding after the commitment period. AtMarch 31, 2019, all of our$7.6 billionof capacity was revolving and of this balance,$6.0 billionwas from facilities with a remaining tenor greater than 364 days.

Committed Secured Credit Facilities

	Outstanding				Unused capacity (a)				Total capacity
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Bank funding
Secured	$	3,050	$	3,500	$	700	$	1,300	$	3,750	$	4,800
Parent funding
Secured	2,666		3,165		1,134		635		3,800		3,800
Total committed secured credit facilities	$	5,716	$	6,665	$	1,834	$	1,935	$	7,550	$	8,600

(a) Funding from committed secured credit facilities is available on request in the event excess collateral resides in certain facilities or the extent incremental collateral is available and contributed to the facilities.

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Accrued Expenses and Other Liabilities

3 Months Ended

Mar. 31, 2019

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities Disclosure

Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities were as follows.

($ in millions)	March 31, 2019		December 31, 2018
Accounts payable	$	347	$	516
Unfunded commitments for investment in qualified affordable housing projects	336		319
Employee compensation and benefits	165		255
Reserves for insurance losses and loss adjustment expenses	135		134
Deferred revenue	28		27
Cash collateral received from counterparties	27		41
Fair value of derivative contracts in payable position (a)	21		37
Other liabilities	663		347
Total accrued expenses and other liabilities	$	1,722	$	1,676

(a) For additional information on derivative instruments and hedging activities, refer to Note 17.

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Accumulated Other Comprehensive Loss

3 Months Ended

Mar. 31, 2019

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Comprehensive Income (Loss) Note

Accumulated Other Comprehensive Loss

The following table presents changes, net of tax, in each component of accumulated other comprehensive loss.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)			Cash flow hedges (b)			Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2017	$	(173	)	$	16		$	11		$	(89	)	$	(235	)
Cumulative effect of changes in accounting principles, net of tax (c)
Adoption of Accounting Standards Update 2016-01	27			—			—			—			27
Adoption of Accounting Standards Update 2018-02	(40		)	4			—			(6		)	(42		)
Balance at January 1, 2018	(186		)	20			11			(95		)	(250		)
2018 net change	(338		)	(1		)	14			(3		)	(328		)
Balance at March 31, 2018	$	(524	)	$	19		$	25		$	(98	)	$	(578	)
Balance at December 31, 2018	$	(481	)	$	18		$	19		$	(95	)	$	(539	)
Cumulative effect of changes in accounting principles, net of tax (c)
Adoption of Accounting Standards Update 2017-08	8			—			—			—			8
Balance at January 1, 2019	(473		)	18			19			(95		)	(531		)
2019 net change	315			—			(8		)	(1		)	306
Balance at March 31, 2019	$	(158	)	$	18		$	11		$	(96	)	$	(225	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 17.

(c) Refer to the section titled Recently Adopted Accounting Standards in Note 1 for additional information.

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive (loss) income.

Three months ended March 31, 2019($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized gains arising during the period	$	421			$	(99	)		$	322
Less: Net realized gains reclassified to income from continuing operations	9			(a)	(2		)	(b)	7
Net change	412				(97		)		315
Translation adjustments
Net unrealized gains arising during the period	2				(1		)		1
Net investment hedges (c)
Net unrealized losses arising during the period	(2		)		1				(1		)
Cash flow hedges (c)
Net unrealized losses arising during the period	(5		)		1				(4		)
Less: Net realized gains reclassified to income from continuing operations	5				(1		)		4
Net change	(10		)		2				(8		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive loss	$	401			$	(95	)		$	306

(a) Includes gains reclassified to other gain (loss) on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 17.

Three months ended March 31, 2018($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized losses arising during the period	$	(436	)		$	103			$	(333	)
Less: Net realized gains reclassified to income from continuing operations	6			(a)	(1		)	(b)	5
Net change	(442		)		104				(338		)
Translation adjustments
Net unrealized losses arising during the period	(5		)		1				(4		)
Net investment hedges (c)
Net unrealized gains arising during the period	4				(1		)		3
Cash flow hedges (c)
Net unrealized gains arising during the period	18				(4		)		14
Defined benefit pension plans
Net unrealized losses arising during the period	(3		)		—				(3		)
Other comprehensive loss	$	(428	)		$	100			$	(328	)

(a) Includes gains reclassified to other (loss) gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 17.

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Earnings per Common Share

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Earnings Per Share

Earnings per Common Share

The following table presents the calculation of basic and diluted earnings per common share.

	Three months ended March 31,
($ in millions, except per share data; shares in thousands) (a)	2019			2018
Net income from continuing operations attributable to common stockholders	$	375		$	252
Loss from discontinued operations, net of tax	(1		)	(2		)
Net income attributable to common stockholders	$	374		$	250
Basic weighted-average common shares outstanding (b)	404,129			436,213
Diluted weighted-average common shares outstanding (b)	405,959			438,931
Basic earnings per common share
Net income from continuing operations	$	0.93		$	0.58
Loss from discontinued operations, net of tax	—			(0.01		)
Net income	$	0.93		$	0.57
Diluted earnings per common share
Net income from continuing operations	$	0.92		$	0.57
Loss from discontinued operations, net of tax	—			(0.01		)
Net income	$	0.92		$	0.57

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

(b) Includes shares related to share-based compensation that vested but were not yet issued.

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Regulatory Capital and Other Regulatory Matters

3 Months Ended

Mar. 31, 2019

Regulatory Capital Requirements [Abstract]

Regulatory Capital Requirements under Banking Regulations

Regulatory Capital and Other Regulatory Matters

The FRB and other U.S. banking agencies have adopted risk-based and leverage capital standards that establish minimum capital-to-asset ratios for BHCs, like Ally, and depository institutions, like Ally Bank.The risk-based capital ratios are based on a banking organization’s risk-weighted assets (RWAs), which are generally determined under the standardized approach applicable to Ally and Ally Bank by (1) assigning on-balance sheet exposures to broad risk weight categories according to the counterparty or, if relevant, the guarantor or collateral (with higher risk weights assigned to categories of exposures perceived as representing greater risk), and (2) multiplying off-balance sheet exposures by specified credit conversion factors to calculate credit equivalent amounts and assigning those credit equivalent amounts to the relevant risk weight categories. The leverage ratio, in contrast, is based on an institution’s average unweighted on-balance sheet exposures.

Ally and Ally Bank are subject to capital requirements issued by U.S. banking regulators that require us to maintain risk-based and leverage capital ratios above minimum levels. As of January 1, 2015, Ally and Ally Bank became subject to the rules implementing the 2010 Basel III capital framework in the United States (U.S. Basel III), which generally reflects higher capital requirements, capital buffers, and changes to regulatory capital definitions, deductions, and adjustments, relative to the predecessor requirements implementing the Basel I capital framework in the United States. Certain aspects of U.S. Basel III, including the capital buffers, were subject to a phase-in period through December 31, 2018.

Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary action by regulators that, if undertaken, could have a direct material effect on the Condensed Consolidated Financial Statements or the results of operations and financial condition of Ally and Ally Bank. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we and Ally Bank must meet specific capital guidelines that involve quantitative measures of capital, assets, and certain off-balance sheet items. These measures and related classifications, which are used in the calculation of our risk-based and leverage capital ratios and those of Ally Bank, are also subject to qualitative judgments by the regulators about the components of capital, the risk-weightings of assets and other exposures, and other factors. The FRB also uses these ratios and guidelines as part of the capital planning and stress testing processes. In addition, in order for Ally to maintain its status as an FHC, Ally and its bank subsidiary, Ally Bank, must remain well capitalized and well managed, as defined under applicable laws. The well capitalized standard for insured depository institutions, such as Ally Bank, reflects the capital requirements under U.S. Basel III.

Under U.S. Basel III, Ally and Ally Bank must maintain a minimum Common Equity Tier 1 risk-based capital ratio of4.5%, a minimum Tier 1 risk-based capital ratio of6%, and a minimum total risk-based capital ratio of8%. In addition to these minimum risk-based capital ratios, Ally and Ally Bank are subject to a capital conservation buffer of more than2.5%. Failure to maintain the full amount of the buffer would result in restrictions on the ability of Ally and Ally Bank to make capital distributions, including dividend payments and stock repurchases and redemptions, and to pay discretionary bonuses to executive officers. U.S. Basel III also subjects Ally and Ally Bank to a minimum Tier 1 leverage ratio of4%.

U.S. Basel III also revised the eligibility criteria for regulatory capital instruments and provides for the phase-out of instruments that had previously been recognized as capital but that do not satisfy these criteria. For example, subject to certain exceptions (e.g., certain debt or equity issued to the U.S. government under the Emergency Economic Stabilization Act), trust preferred and other hybrid securities were excluded from a BHC’s Tier 1 capital as of January 1, 2016. Also, subject to a phase-in schedule, certain items are deducted from Common Equity Tier 1 capital under U.S. Basel III that had not previously been deducted from regulatory capital, and certain other deductions from regulatory capital have been modified. Among other things, U.S. Basel III requires significant investments in the common stock of unconsolidated financial institutions, mortgage servicing assets, and certain deferred tax assets that exceed specified individual and aggregate thresholds to be deducted from Common Equity Tier 1 capital. U.S. Basel III also revised the standardized approach for calculating RWAs by, among other things, modifying certain risk weights and the methods for calculating RWAs for certain types of assets and exposures.

Ally and Ally Bank are subject to the U.S. Basel III standardized approach for counterparty credit risk, but not to the U.S. Basel III advanced approaches for credit risk or operational risk. Ally is also not subject to the U.S. market risk capital rule, which applies only to banking organizations with significant trading assets and liabilities.

In December 2018, the FRB and other U.S. banking agencies approved a final rule to address the impact of CECL on regulatory capital by allowing BHCs and banks, including Ally, the option to phase in the day-one impact of CECL over a period of three years for regulatory capital purposes. In addition, the FRB announced that although BHCs subject to company-run stress tests as part of CCAR must incorporate CECL beginning in the 2020 cycle, in order to reduce uncertainty, the FRB will maintain its current modeling framework for the allowance for loan losses in supervisory stress tests through the 2021 cycle.

In May 2018, targeted amendments to the Dodd-Frank Act and other financial-services laws were enacted through the Economic Growth, Regulatory Relief, and Consumer Protection Act (EGRRCP Act), including amendments that affect whether and, if so, how the FRB applies enhanced prudential standards to BHCs like us with $100 billion or more but less than $250 billion in total consolidated assets. During the fourth quarter of 2018, the FRB and other U.S. banking agencies issued proposals that would implement these amendments in the EGRRCP Act and establish risk-based categories for determining the prudential standards and the capital and liquidity requirements that apply to large U.S. banking organizations. Under the proposals, Ally would be treated as a Category IV firm and, as such, would be (1) made subject to the FRB’s Comprehensive Capital Analysis and Review (CCAR) on a two-year cycle rather than the current one-year cycle, (2) made subject to supervisory stress testing on a two-year cycle rather than the current one-year cycle, (3) required to continue submitting an annual capital plan to the FRB for non-objection, (4) allowed to continue excluding accumulated other comprehensive income (AOCI) from regulatory capital, (5) required to continue maintaining a buffer of unencumbered highly liquid assets to meet projected net cash outflows for 30 days, (6) required to conduct liquidity stress tests on a quarterly basis rather than the current monthly basis, (7) allowed to engage in more tailored liquidity risk management, including monthly rather than weekly calculations of collateral positions, the elimination of limits for activities that are not relevant to the firm, and fewer required elements of monitoring of intraday liquidity exposures, (8) exempted from company-run stress testing, the modified liquidity coverage ratio (LCR), and the proposed modified net stable funding ratio (NSFR), and (9) allowed to remain exempted from the supplementary leverage ratio, the countercyclical capital buffer, and single counterparty credit limits.

Following the issuance of this proposed rule, during the first quarter of 2019, the FRB announced that a number of large and noncomplex BHCs with $100 billion or more but less than $250 billionin total consolidated assets, including Ally, will not be required to submit a capital plan to the FRB, participate in the supervisory stress test or CCAR, or conduct company-run stress tests during the 2019 cycle. Instead, Ally’s capital actions during this cycle will be largely based on the results from its 2018 supervisory stress test.

In April 2018, the FRB issued a proposal to more closely align forward-looking stress testing results with the FRB’s non-stress regulatory capital requirements for banking organizations with$50 billionor more in total consolidated assets. The proposal would introduce a stress capital buffer based on firm-specific stress test performance, which would effectively replace the non-stress capital conservation buffer. The proposal would also make several changes to the CCAR process, such as eliminating the CCAR quantitative objection, narrowing the set of planned capital actions assumed to occur in the stress scenario, and eliminating the 30% dividend payout ratio as a criterion for heightened scrutiny of a firm’s capital plan.In December 2017, the Basel Committee approved revisions to the global Basel III capital framework (commonly known as Basel IV), many of which—if adopted in the United States—could heighten regulatory capital standards even more.

At this time, how all of these proposals and revisions will be harmonized and finalized in the United States is not clear or predictable and we continue to evaluate the impacts these proposals and revisions may have on us.

Compliance with capital requirements is a strategic priority for Ally. We expect to be in compliance with all applicable requirements within the established timeframes.

The following table summarizes our capital ratios under the U.S. Basel III capital framework.

	March 31, 2019				December 31, 2018				Required minimum (a)		Well-capitalized minimum
($ in millions)	Amount		Ratio		Amount		Ratio
Capital ratios
Common Equity Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	13,603	9.33	%	$	13,397	9.14	%	4.50	%	(b)
Ally Bank	16,609		12.55		16,552		12.61		4.50		6.50	%
Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	16,035	10.99	%	$	15,831	10.80	%	6.00	%	6.00	%
Ally Bank	16,609		12.55		16,552		12.61		6.00		8.00
Total (to risk-weighted assets)
Ally Financial Inc.	$	18,292	12.54	%	$	18,046	12.31	%	8.00	%	10.00	%
Ally Bank	17,802		13.46		17,620		13.42		8.00		10.00
Tier 1 leverage (to adjusted quarterly average assets) (c)
Ally Financial Inc.	$	16,035	9.02	%	$	15,831	9.00	%	4.00	%	(b)
Ally Bank	16,609		10.45		16,552		10.69		4.00		5.00	%

(a) In addition to the minimum risk-based capital requirements for the Common Equity Tier 1 capital, Tier 1 capital, and total capital ratios, Ally and Ally Bank were required to maintain a minimum capital conservation buffer of 2.5% and 1.875% at March 31, 2019, and December 31, 2018, respectively.

(b) Currently, there is no ratio component for determining whether a BHC is “well-capitalized.”

(c) Federal regulatory reporting guidelines require the calculation of adjusted quarterly average assets using a daily average methodology.

At March 31, 2019, Ally and Ally Bank were “well-capitalized” and met all applicable capital requirements to which each was subject.

Capital Planning and Stress Tests

Pending the adoption of proposals issued by the FRB and other U.S. banking agencies during the fourth quarter of 2018 that would implement the EGRRCP Act, Ally is required to conduct semi-annual company-run stress tests, is subject to an annual supervisory stress test conducted by the FRB, and must submit a proposed capital plan to the FRB.

Ally’s proposed capital plan must include an assessment of our expected uses and sources of capital and a description of all planned capital actions over a nine-quarter planning horizon, including any issuance of a debt or equity capital instrument, any dividend or other capital distribution, and any similar action that the FRB determines could have an impact on Ally’s capital. The proposed capital plan must also include a discussion of how Ally, under expected and stressful conditions, will maintain capital commensurate with its risks and above the minimum regulatory capital ratios, and will serve as a source of strength to Ally Bank. The FRB will either object to Ally’s proposed capital plan, in whole or in part, or provide a notice of non-objection. If the FRB objects to the proposed capital plan, or if certain material events occur after approval of the plan, Ally must submit a revised capital plan within 30 days. Even if the FRB does not object to our capital plan, Ally may be precluded from or limited in paying dividends or other capital distributions without the FRB’s approval under certain circumstances—for example, when we would not meet minimum regulatory capital ratios and capital buffers after giving effect to the distributions.

The following table presents information related to our common stock and distributions to our common stockholders over the last five quarters.

	Common stock repurchased during period (a)			Number of common shares outstanding		Cash dividends declared per common share (b)
($ in millions, except per share data; shares in thousands)	Approximate dollar value		Number of shares	Beginning of period	End of period
2018
First quarter	$	185	6,473	437,054	432,691	$	0.13
Second quarter	195		7,280	432,691	425,752	0.13
Third quarter	250		9,194	425,752	416,591	0.15
Fourth quarter	309		12,121	416,591	404,900	0.15
2019
First quarter	$	211	8,113	404,900	399,761	$	0.17

(a) Includes shares of common stock withheld to cover income taxes owed by participants in our share-based incentive plans.

(b) On April 14, 2019, the Ally Board of Directors (the Board) declared a quarterly cash dividend of $0.17 per share on all common stock, payable on May 15, 2019. Refer to Note 24 for further information regarding this common stock dividend.

Ally submitted its 2018 capital plan and company-run stress test results to the FRB on April 5, 2018. On June 21, 2018, we publicly disclosed summary results of the stress test under the severely adverse scenario in accordance with applicable regulatory requirements. On June 28, 2018, we received from the FRB a non-objection to our capital plan, which included increases in both our stock-repurchase program and our planned dividends. Consistent with the capital plan, the Board authorizedincreases in our stock-repurchase program, permitting us to repurchase up to$1.0 billionof our common stock from time to time from the third quarter of 2018 through the second quarter of 2019. Also consistent with the capital plan, on April 14, 2019, the Board declared a quarterly cash dividend of $0.17per share of our common stock. Refer to Note 24 for further information on the most recent dividend. On October 5, 2018, we submitted to the FRB the results of our company-run mid-cycle stress test and publicly disclosed summary results under the severely adverse scenario in accordance with applicable regulatory requirements.

As described earlier in this note, Ally’s capital actions during this cycle will be largely based on the results from its 2018 supervisory stress test. On April 1, 2019, the Board authorized an increase in our stock-repurchase program, permitting us to repurchase up to$1.25 billionof our common stock from time to time from the third quarter of 2019 through the second quarter of 2020, representing a 25% increase over our previously announced program.

Our ability to make capital distributions, including our ability to pay dividends or repurchase shares of our common stock, will continue to be subject to the FRB’s review and approval by the Board. The amount and size of any future dividends and share repurchases also will be subject to various factors, including Ally’s capital and liquidity positions, regulatory considerations, any accounting standards that affect capital or liquidity (including CECL), financial and operational performance, alternative uses of capital, common-stock price, and general market conditions, and may be suspended at any time.

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Derivative Instruments and Hedging Activities

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities Disclosure

Derivative Instruments and Hedging Activities

We enter into derivative instruments, which may include interest rate, foreign-currency, and equity swaps, futures, forwards, and options in connection with our risk-management activities. Our primary objective for utilizing derivative financial instruments is to manage interest rate risk associated with our fixed- and variable-rate assets and liabilities, foreign exchange risks related to our foreign-currency denominated assets and liabilities, and other market risks related to our investment portfolio.

Interest Rate Risk

We monitor our mix of fixed- and variable-rate assets and liabilities and may enter into interest rate swaps, forwards, futures, options, and swaptions to achieve our desired mix of fixed- and variable-rate assets and liabilities. We execute these trades to modify our exposure to interest rate risk by converting certain fixed-rate instruments to a variable-rate and certain variable-rate instruments to a fixed-rate. We use a mix of both derivatives that qualify for hedge accounting treatment and economic hedges.

Derivatives qualifying for hedge accounting can include receive-fixed swaps designated as fair value hedges of specific fixed-rate unsecured debt obligations, receive-fixed swaps designated as fair value hedges of specific fixed-rate FHLB advances, pay-fixed swaps designated as fair value hedges of securities within our available-for-sale portfolio, and pay-fixed swaps designated as fair value hedges of closed portfolios of fixed-rate held-for-investment consumer automotive loan assets in which the hedged item is the last layer expected to be remaining at the end of the hedging relationship. Other derivatives qualifying for hedge accounting consist of pay-fixed swaps designated as cash flow hedges of the expected future cash flows in the form of interest payments on certain variable-rate borrowings and deposit liabilities, as well as interest rate floor contracts designated as cash flow hedges of the expected future cash flows in the form of interest receipts on a portion of our dealer floorplan commercial loans.

We may also execute economic hedges, which consist of interest rate swaps, interest rate caps, forwards, futures, options, and swaptions to mitigate interest rate risk.

We also enter into interest rate lock commitments and forward-sale commitments that are executed as part of our mortgage business that meet the accounting definition of a derivative.

Foreign Exchange Risk

We enter into derivative financial instrument contracts to mitigate the risk associated with variability in cash flows related to our various foreign-currency exposures.

We enter into foreign-currency forwards with external counterparties as net investment hedges of foreign exchange exposure on our investment in foreign subsidiaries. Our equity is impacted by the cumulative translation adjustments resulting from the translation of foreign subsidiary results; this impact is reflected in our accumulated other comprehensive loss. We also periodically enter into foreign-currency forwards to economically hedge any foreign-denominated debt, centralized lending, and foreign-denominated third-party loans. These foreign-currency forwards that are used as economic hedges are recorded at fair value with changes recorded as income offsetting the gains and losses on the associated foreign-currency transactions.

Equity Risk

We enter into equity options to economically hedge our exposure to the equity markets.

Counterparty Credit Risk

Derivative financial instruments contain an element of credit risk if counterparties are unable to meet the terms of the agreements. Credit risk associated with derivative financial instruments is measured as the net replacement cost should the counterparties that owe us under the contract completely fail to perform under the terms of those contracts, assuming no recoveries of underlying collateral as measured by the market value of the derivative financial instrument.

We manage our risk to financial counterparties through internal credit analysis, limits, and monitoring. Additionally, derivatives and repurchase agreements are entered into with approved counterparties using industry standard agreements.

We execute certain over-the-counter (OTC) derivatives such as interest rate caps using bilateral agreements with financial counterparties. Bilateral agreements generally require both parties to post collateral in the event the fair values of the derivative financial instruments meet posting thresholds established under the agreements. In the event that either party defaults on the obligation, the secured party may seize the collateral. Payments related to the exchange of collateral for OTC derivatives are recognized as collateral.

We also execute certain derivatives such as interest rate swaps with clearinghouses, which requires us to post and receive collateral. For these clearinghouse derivatives, these payments are recognized as settlements rather than collateral.

Certain derivative instruments contain provisions that require us to either post additional collateral or immediately settle any outstanding liability balances upon the occurrence of a specified credit-risk-related event. No such specified credit-risk-related events occurred during the three months endedMarch 31, 2019, or 2018.

We placed cash collateral totaling $19 million and noncash collateral totaling $99 million supporting our derivative positions at March 31, 2019, and $26 million and $105 million at December 31, 2018, respectively, in accounts maintained by counterparties. These amounts include collateral placed at clearinghouses and exclude cash and noncash collateral pledged under repurchase agreements. Refer to Note 12 for details on the repurchase agreements. The receivables for cash collateral placed are included on our Condensed Consolidated Balance Sheet in other assets.

We received cash collateral from counterparties totaling $12 million at March 31, 2019, and we received $30 million and $3 million of cash and noncash collateral, respectively, at December 31, 2018, in accounts maintained by counterparties. These amounts include collateral received from clearinghouses and exclude cash and noncash collateral pledged under repurchase agreements. Refer to Note 12 for details on repurchase agreements. The payables for cash collateral received are included on our Condensed Consolidated Balance Sheet in accrued expenses and other liabilities. Included in these amounts is noncash collateral where we have been granted the right to sell or pledge the underlying assets. We have not sold or pledged any of the noncash collateral received under these agreements.

Balance Sheet Presentation

The following table summarizes the amounts of derivative instruments reported on our Condensed Consolidated Balance Sheet. The amounts are presented on a gross basis, are segregated by derivatives that are designated and qualifying as hedging instruments or those that are not, and are further segregated by type of contract within those two categories.

Derivative contracts in a receivable and payable position exclude open trade equity on derivatives cleared through central clearing counterparties. Any associated collateral exchanged with our central clearing counterparties are treated as settlements of the derivative exposure, rather than collateral. Such payments are recognized as settlements of the derivatives contracts in a receivable and payable position on our Condensed Consolidated Balance Sheet.

Notional amounts are reference amounts from which contractual obligations are derived and are not recorded on the balance sheet. In our view, derivative notional is not an accurate measure of our derivative exposure when viewed in isolation from other factors, such as market rate fluctuations and counterparty credit risk.

	March 31, 2019						December 31, 2018
	Derivative contracts in a				Notional amount		Derivative contracts in a				Notional amount
($ in millions)	receivable position		payable position				receivable position		payable position
Derivatives designated as accounting hedges
Interest rate contracts
Swaps	$	—	$	—	$	12,085	$	—	$	—	$	24,203
Purchased options	1		—		100		—		—		—
Foreign exchange contracts
Forwards	—		1		134		1		—		136
Total derivatives designated as accounting hedges	1		1		12,319		1		—		24,339
Derivatives not designated as accounting hedges
Interest rate contracts
Futures and forwards	—		—		11		—		—		11
Written options	2		19		6,180		—		37		6,793
Purchased options	19		—		6,081		37		—		6,742
Total interest rate risk	21		19		12,272		37		37		13,546
Foreign exchange contracts
Futures and forwards	—		—		124		3		—		181
Total foreign exchange risk	—		—		124		3		—		181
Equity contracts
Written options	—		1		1		—		—		—
Total equity risk	—		1		1		—		—		—
Total derivatives not designated as accounting hedges	21		20		12,397		40		37		13,727
Total derivatives	$	22	$	21	$	24,716	$	41	$	37	$	38,066

The following table presents amounts recorded on our Condensed Consolidated Balance Sheet related to cumulative basis adjustments for fair value hedges.

($ in millions)	Carrying amount of the hedged items				Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged items
					Total				Discontinued (a)
	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Assets
Available-for-sale securities (b) (c)	$	1,495	$	1,485	$	10	$	—	$	8	$	(5	)
Finance receivables and loans, net (d)	36,433		40,850		63		24		68		5
Liabilities
Long-term debt	$	12,263	$	13,001	$	66	$	67	$	66	$	67

(a) Represents the fair value hedging adjustment on qualifying hedges for which the hedging relationship was discontinued. This represents a subset of the amounts reported in the total hedging adjustment.

(b) The carrying amount of hedged available-for-sale securities is presented above using amortized cost. Refer to Note 6 for a reconciliation of the amortized cost and fair value of available-for-sale securities.

(c) The amount identified as the last of layer in the hedge relationship was $28 million at both March 31, 2019, and December 31, 2018, but the hedge relationship was discontinued during the three months ended March 31, 2019. The carrying amount associated with the last-of-layer relationship was $46 million and $47 million, respectively. There was no basis adjustment associated with the last-of-layer relationships for either period.

(d) The hedged item represents the carrying value of the hedged portfolio of assets. The amount identified as the last of layer in the open hedge relationship was $9.6 billion as of March 31, 2019, and $21.4 billion as of December 31, 2018. The basis adjustment associated with the open last-of-layer relationship was a $5 million liability as of March 31, 2019, and a $19 million asset as of December 31, 2018, which would be allocated across the entire remaining closed pool upon termination or maturity of the hedge relationship. The amount that is identified as the last of layer in the discontinued hedge relationship was $11.2 billion for the three months endedMarch 31, 2019. The basis adjustment associated with the discontinued last-of-layer relationship was a $65 million asset for the three months endedMarch 31, 2019, which was allocated across the entire remaining pool upon termination of the hedge relationship.

Statement of Comprehensive Income Presentation

The following table summarizes the location and amounts of gains and losses on derivative instruments not designated as accounting hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2019			2018
Gain (loss) recognized in earnings
Interest rate contracts
Gain on mortgage and automotive loans, net	$	1		$	—
Other income, net of losses	(5		)	2
Total interest rate contracts	(4		)	2
Foreign exchange contracts
Other income, net of losses	(1		)	—
Total foreign exchange contracts	(1		)	—
(Loss) gain recognized in earnings	$	(5	)	$	2

The following table summarizes the location and amounts of gains and losses on derivative instruments designated as fair value hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Interest and fees on finance receivables and loans						Interest and dividends on investment securities and other earning assets						Interest on deposits				Interest on long-term debt
Three months ended March 31, ($ in millions)	2019			2018			2019			2018			2019		2018		2019		2018
Gain (loss) on fair value hedging relationships
Interest rate contracts
Hedged fixed-rate unsecured debt	$	—		$	—		$	—		$	—		$	—	$	—	$	—	$	36
Derivatives designated as hedging instruments on fixed-rate unsecured debt	—			—			—			—			—		—		—		(35		)
Hedged fixed-rate FHLB advances	—			—			—			—			—		—		—		33
Derivatives designated as hedging instruments on fixed-rate FHLB advances	—			—			—			—			—		—		—		(33		)
Hedged available-for-sale securities	—			—			10			(3		)	—		—		—		—
Derivatives designated as hedging instruments on available-for-sale securities	—			—			(10		)	3			—		—		—		—
Hedged fixed-rate consumer automotive loans	43			(45		)	—			—			—		—		—		—
Derivatives designated as hedging instruments on fixed-rate consumer automotive loans	(43		)	45			—			—			—		—		—		—
Total gain on fair value hedging relationships	—			—			—			—			—		—		—		1
Gain on cash flow hedging relationships
Interest rate contracts
Hedged deposit liabilities
Reclassified from accumulated other comprehensive income into income	—			—			—			—			1		—		—		—
Hedged variable-rate borrowings
Reclassified from accumulated other comprehensive income into income	—			—			—			—			—		—		4		—
Total gain on cash flow hedging relationships	$	—		$	—		$	—		$	—		$	1	$	—	$	4	$	—
Total amounts presented in the Condensed Consolidated Statement of Comprehensive Income	$	1,807		$	1,543		$	240		$	176		$	592	$	351	$	419	$	411

During the next twelve months, we estimate $7 million will be reclassified into pretax earnings from derivatives designated as cash flow hedges.

The following table summarizes the location and amounts of gains and losses related to interest and amortization on derivative instruments designated as fair value and cash flow hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Interest and fees on finance receivables and loans						Interest and dividends on investment securities and other earning assets					Interest on long-term debt
Three months ended March 31, ($ in millions)	2019			2018			2019		2018			2019			2018
Gain (loss) on fair value hedging relationships
Interest rate contracts
Amortization of deferred unsecured debt basis adjustments	$	—		$	—		$	—	$	—		$	6		$	15
Interest for qualifying accounting hedges of unsecured debt	—			—			—		—			—			3
Amortization of deferred secured debt basis adjustments (FHLB advances)	—			—			—		—			(6		)	(1		)
Interest for qualifying accounting hedges of secured debt (FHLB advances)	—			—			—		—			—			2
Interest for qualifying accounting hedges of available-for-sale securities	—			—			—		(1		)	—			—
Amortization of deferred loan basis adjustments	(4		)	(4		)	—		—			—			—
Interest for qualifying accounting hedges of consumer automotive loans held-for-investment	6			(7		)	—		—			—			—
Total gain (loss) on fair value hedging relationships	2			(11		)	—		(1		)	—			19
Gain on cash flow hedging relationships
Interest rate contracts
Interest for qualifying accounting hedges of variable-rate borrowings	—			—			—		—			—			1
Total gain on cash flow hedging relationships	$	—		$	—		$	—	$	—		$	—		$	1

The following table summarizes the effect of cash flow hedges on accumulated other comprehensive loss.

	Three months ended March 31,
($ in millions)	2019			2018
Interest rate contracts
(Loss) gain recognized in other comprehensive loss	$	(10	)	$	18

The following table summarizes the effect of net investment hedges on accumulated other comprehensive loss and the Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2019			2018
Foreign exchange contracts (a) (b)
(Loss) gain recognized in other comprehensive loss	$	(2	)	$	4

(a) There were no amounts excluded from effectiveness testing for the three months endedMarch 31, 2019, or 2018.

(b) Gains and losses reclassified from accumulated other comprehensive loss are reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income. There were no amounts reclassified for the three months endedMarch 31, 2019, or 2018.

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Income Taxes Income Taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income Tax Disclosure

Income Taxes

We recognized total income tax expense from continuing operations of $111 million for the three months endedMarch 31, 2019, compared to income tax expense of $76 million for the same period in 2018. The increase in income tax expense for the three months endedMarch 31, 2019, compared to the same period in 2018, was primarily driven by the tax effects of an increase in pretax earnings.

As of each reporting date, we consider existing evidence, both positive and negative, that could impact our view with regard to future realization of deferred tax assets. We continue to believe it is more likely than not that the benefit for certain foreign tax credit carryforwards and state net operating loss carryforwards will not be realized. In recognition of this risk, we continue to provide a partial valuation allowance on the deferred tax assets relating to these carryforwards and it is reasonably possible that the valuation allowance may change in the next twelve months.

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Fair Value

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value Disclosures

Fair Value

Fair Value Measurements

For purposes of this disclosure, fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability (exit price) in the principal or most advantageous market in an orderly transaction between market participants at the measurement date under current market conditions. Fair value is based on the assumptions we believe market participants would use when pricing an asset or liability. Additionally, entities are required to consider all aspects of nonperformance risk, including the entity’s own credit standing, when measuring the fair value of a liability.

Judgment is used in estimating inputs to our internal valuation models used to estimate our Level 3 fair value measurements. Level 3 inputs such as interest rate movements, prepayment speeds, credit losses, and discount rates are inherently difficult to estimate. Changes to these inputs can have a significant effect on fair value measurements and amounts that could be realized.

GAAP specifies a three-level hierarchy that is used when measuring and disclosing fair value. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). An instrument’s categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. The following is a description of the three hierarchy levels.

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities at the measurement date. Additionally, the entity must have the ability to access the active market, and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs are other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent management’s best assumptions of how market participants would price the assets or liabilities. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

The following are descriptions of the valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models, and significant assumptions utilized.

• Equity Securities — Includes various marketable equity securities measured at fair value with changes in fair value recognized in net income. Measurements based on observable market prices are classified as Level 1.

• Available-for-sale securities — All classes of available-for-sale securities are carried at fair value based on observable market prices, when available. If observable market prices are not available, our valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate and consider recent market transactions, experience with similar securities, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we are required to utilize various significant assumptions including market observable inputs (e.g., forward interest rates) and internally developed inputs (including prepayment speeds, delinquency levels, and credit losses).

• Interests retained in financial asset sales — Includes certain noncertificated interests retained from the sale of automotive finance receivables. Due to inactivity in the market, valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate; therefore, we classified these assets as Level 3. The valuation considers recent market transactions, experience with similar assets, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we utilize various significant assumptions, including market observable inputs (e.g., forward interest rates) and internally developed inputs (e.g., prepayment speeds, delinquency levels, and credit losses).

• Derivative instruments — We enter into a variety of derivative financial instruments as part of our risk-management strategies. Certain of these derivatives are exchange traded, such as Eurodollar futures, options of Eurodollar futures, and equity options. To determine the fair value of these instruments, we utilize the quoted market prices for the particular derivative contracts; therefore, we classified these contracts as Level 1.

We also execute OTC and centrally-cleared derivative contracts, such as interest rate swaps, swaptions, foreign-currency denominated forward contracts, caps, floors, and agency to-be-announced securities. We utilize third-party-developed valuation models that are widely accepted in the market to value these derivative contracts. The specific terms of the contract and market observable inputs (such as interest rate forward curves, interpolated volatility assumptions, or equity pricing) are used in the model. We classified these derivative contracts as Level 2 because all significant inputs into these models were market observable.

We also enter into interest rate lock commitments and forward-sale commitments that are executed as part of our mortgage business, certain of which meet the accounting definition of a derivative and therefore are recorded as derivatives on our Condensed Consolidated Balance Sheet. Because these derivatives are valued using internal pricing models with unobservable inputs, they are classified as Level 3.

We are required to consider all aspects of nonperformance risk, including our own credit standing, when measuring fair value of a liability. We reduce credit risk on the majority of our derivatives by entering into legally enforceable agreements that enable the posting and receiving of collateral associated with the fair value of our derivative positions on an ongoing basis. In the event that we do not enter into legally enforceable agreements that enable the posting and receiving of collateral, we will consider our credit risk and the credit risk of our counterparties in the valuation of derivative instruments through a credit valuation adjustment (CVA), if warranted. The CVA calculation utilizes the credit default swap spreads of the counterparty.

Recurring Fair Value

The following tables display the assets and liabilities measured at fair value on a recurring basis including financial instruments elected for the fair value option. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items; therefore, they do not directly display the impact of our risk-management activities.

	Recurring fair value measurements
March 31, 2019($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Investment securities
Equity securities (a)	$	525	$	—	$	11	$	536
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,941		1		—		1,942
U.S. States and political subdivisions	—		781		—		781
Foreign government	7		165		—		172
Agency mortgage-backed residential	—		18,844		—		18,844
Agency mortgage-backed commercial	—		320		—		320
Mortgage-backed residential	—		2,886		—		2,886
Mortgage-backed commercial	—		723		—		723
Asset-backed	—		668		—		668
Corporate debt	—		1,294		—		1,294
Total available-for-sale securities	1,948		25,682		—		27,630
Mortgage loans held-for-sale (b)	—		—		15		15
Interests retained in financial asset sales	—		—		4		4
Derivative contracts in a receivable position
Interest rate	—		20		2		22
Total derivative contracts in a receivable position	—		20		2		22
Total assets	$	2,473	$	25,702	$	32	$	28,207
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position
Interest rate	$	—	$	19	$	—	$	19
Foreign currency	—		1		—		1
Other	1		—		—		1
Total derivative contracts in a payable position	1		20		—		21
Total liabilities	$	1	$	20	$	—	$	21

(a) Our investment in any one industry did not exceed 15%.

(b) Carried at fair value due to fair value option elections.

	Recurring fair value measurements
December 31, 2018 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Investment securities
Equity securities (a)	$	766	$	—	$	7	$	773
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,850		1		—		1,851
U.S. States and political subdivisions	—		802		—		802
Foreign government	7		138		—		145
Agency mortgage-backed residential	—		17,138		—		17,138
Agency mortgage-backed commercial	—		3		—		3
Mortgage-backed residential	—		2,686		—		2,686
Mortgage-backed commercial	—		714		—		714
Asset-backed	—		723		—		723
Corporate debt	—		1,241		—		1,241
Total available-for-sale securities	1,857		23,446		—		25,303
Mortgage loans held-for-sale (b)	—		—		8		8
Interests retained in financial asset sales	—		—		4		4
Derivative contracts in a receivable position
Interest rate	—		37		—		37
Foreign currency	—		4		—		4
Total derivative contracts in a receivable position	—		41		—		41
Total assets	$	2,623	$	23,487	$	19	$	26,129
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position
Interest rate	$	—	$	37	$	—	$	37
Total derivative contracts in a payable position	—		37		—		37
Total liabilities	$	—	$	37	$	—	$	37

(a) Our investment in any one industry did not exceed 9%.

(b) Carried at fair value due to fair value option elections.

The following tables present the reconciliation for all Level 3 assets and liabilities measured at fair value on a recurring basis. There were no transfers into or out of Level 3 in the periods presented. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the following tables do not fully reflect the impact of our risk-management activities.

	Level 3 recurring fair value measurements
			Net realized/unrealized gains														Fair value at March 31, 2019		Net unrealized gains still held at March 31, 2019
($ in millions)	Fair value at Jan. 1, 2019		included in earnings			included in OCI		Purchases		Sales			Issuances		Settlements				included in earnings		included in OCI
Assets
Equity securities	$	7	$	4	(a)	$	—	$	—	$	—		$	—	$	—	$	11	$	4	$	—
Mortgage loans held-for-sale (b)	8		1		(c)	—		90		(84		)	—		—		15		—		—
Other assets
Interests retained in financial asset sales	4		—			—		—		—			—		—		4		—		—
Derivative assets	—		2		(c)	—		—		—			—		—		2		2		—
Total assets	$	19	$	7		$	—	$	90	$	(84	)	$	—	$	—	$	32	$	6	$	—

(a) Reported as other gain on investments, net, in the Condensed Consolidated Statement of Comprehensive Income.

(b) Carried at fair value due to fair value option elections.

(c) Reported as gain on mortgage and automotive loans, net, in the Condensed Consolidated Statement of Comprehensive Income.

	Level 3 recurring fair value measurements
	Fair value at Jan. 1, 2018		Net realized/unrealized (losses) gains						Purchases		Sales			Issuances		Settlements			Fair value at March 31, 2018		Net unrealized losses included in earnings still held at March 31, 2018
($ in millions)			included in earnings				included in OCI
Assets
Equity securities	$	19	$	(4	)	(a)	$	—	$	—	$	—		$	—	$	(3	)	$	12	$	(5	)
Mortgage loans held-for-sale (b)	13		1			(c)	—		59		(66		)	—		—			7		—
Other assets
Interests retained in financial asset sales	5		—				—		—		—			—		—			5		—
Derivative assets	1		—				—		—		—			—		—			1		—
Total assets	$	38	$	(3	)		$	—	$	59	$	(66	)	$	—	$	(3	)	$	25	$	(5	)

(a) Reported as other loss on investments, net, in the Condensed Consolidated Statement of Comprehensive Income.

(b) Carried at fair value due to fair value option elections.

(c) Reported as gain on mortgage and automotive loans, net, in the Condensed Consolidated Statement of Comprehensive Income.

Nonrecurring Fair Value

We may be required to measure certain assets and liabilities at fair value from time to time. These periodic fair value measures typically result from the application of lower-of-cost or fair value accounting or certain impairment measures. These items would constitute nonrecurring fair value measures.

The following tables display assets and liabilities measured at fair value on a nonrecurring basis and still held at March 31, 2019, and December 31, 2018, respectively. The amounts are as of the end of each period presented, which approximate the fair value measurements that occurred during each period.

	Nonrecurring fair value measurements								Lower-of-cost or fair value reserve, valuation reserve, or cumulative impairment			Total gain (loss) included in earnings
March 31, 2019($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net
Automotive	$	—	$	—	$	18	$	18	$	—		n/m	(a)
Other	—		—		74		74		—			n/m	(a)
Total loans held-for-sale, net	—		—		92		92		—			n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		83		83		(18		)	n/m	(a)
Other	—		—		30		30		(40		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		113		113		(58		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		12		12		(1		)	n/m	(a)
Nonmarketable equity investments	—		—		2		2		—			n/m	(a)
Equity-method investments	—		—		1		1		(3		)	n/m	(a)
Total assets	$	—	$	—	$	220	$	220	$	(62	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation allowance, loan loss allowance, or cumulative impairment to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation allowance, loan loss allowance, or cumulative impairment.

(b) Represents the portion of the portfolio specifically impaired during 2019. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

	Nonrecurring fair value measurements								Lower-of-cost or fair value reserve, valuation reserve, or cumulative impairment			Total gain (loss) included in earnings
December 31, 2018 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net
Automotive (a)	$	—	$	—	$	210	$	210	$	(2	)	n/m	(b)
Other	—		—		96		96		—			n/m	(b)
Total loans held-for-sale, net	—		—		306		306		(2		)	n/m	(b)
Commercial finance receivables and loans, net (c)
Automotive	—		—		84		84		(10		)	n/m	(b)
Other	—		—		55		55		(46		)	n/m	(b)
Total commercial finance receivables and loans, net	—		—		139		139		(56		)	n/m	(b)
Other assets
Nonmarketable equity investments	—		—		1		1		(1		)	n/m	(b)
Equity-method investments	—		—		3		3		—			n/m	(b)
Repossessed and foreclosed assets (d)	—		—		13		13		(1		)	n/m	(b)
Total assets	$	—	$	—	$	462	$	462	$	(60	)	n/m

n/m = not meaningful

(a) Represents loans within our commercial automotive portfolio. Of this amount, $104 million was valued based upon a sales price for a transaction that closed in January 2019, and $106 million was valued using a discounted cash flow analysis, with a spread over forward interest rates as a significant unobservable input utilizing a range of 0.08–1.09% and weighted average of 0.72%.

(b) We consider the applicable valuation allowance, loan loss allowance, or cumulative impairment to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation allowance, loan loss allowance, or cumulative impairment.

(c) Represents the portion of the portfolio specifically impaired during 2018. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(d) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

Fair Value Option for Financial Assets

We elected the fair value option for an insignificant amount of conforming mortgage loans held-for-sale. We elected the fair value option to mitigate earnings volatility by better matching the accounting for the assets with the related derivatives. Our intent in electing fair value measurement was to mitigate a divergence between accounting gains or losses and economic exposure for certain assets and liabilities.

Fair Value of Financial Instruments

The following table presents the carrying and estimated fair value of financial instruments, except for those recorded at fair value on a recurring basis presented in the previous section of this note titled Recurring Fair Value. When possible, we use quoted market prices to determine fair value. Where quoted market prices are not available, the fair value is internally derived based on appropriate valuation methodologies with respect to the amount and timing of future cash flows and estimated discount rates. However, considerable judgment is required in interpreting current market data to develop the market assumptions and inputs necessary to estimate fair value. As such, the actual amount received to sell an asset or the amount paid to settle a liability could differ from our estimates. Fair value information presented herein was based on information available at March 31, 2019, and December 31, 2018.

			Estimated fair value
($ in millions)	Carrying value		Level 1		Level 2		Level 3		Total
March 31, 2019
Financial assets
Held-to-maturity securities	$	2,387	$	—	$	2,374	$	—	$	2,374
Loans held-for-sale, net	92		—		—		92		92
Finance receivables and loans, net	128,767		—		—		131,541		131,541
FHLB/FRB stock (a)	1,180		—		1,180		—		1,180
Financial liabilities
Deposit liabilities	$	54,899	$	—	$	—	$	55,106	$	55,106
Short-term borrowings	6,115		—		—		6,119		6,119
Long-term debt	41,490		—		23,038		20,661		43,699
December 31, 2018
Financial assets
Held-to-maturity securities	$	2,362	$	—	$	2,307	$	—	$	2,307
Loans held-for-sale, net	306		—		—		306		306
Finance receivables and loans, net	128,684		—		—		130,878		130,878
FHLB/FRB stock (a)	1,351		—		1,351		—		1,351
Financial liabilities
Deposit liabilities	$	51,985	$	—	$	—	$	51,997	$	51,997
Short-term borrowings	9,987		—		—		9,992		9,992
Long-term debt	44,193		—		23,846		21,800		45,646

(a) Included in other assets on our Condensed Consolidated Balance Sheet.

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Offsetting Assets and Liabilities

3 Months Ended

Mar. 31, 2019

Offsetting Assets and Liabilities [Abstract]

Offsetting Assets and Liabilities

Offsetting Assets and Liabilities

Our derivative contracts and repurchase/reverse repurchase transactions are supported by qualifying master netting and master repurchase agreements. These agreements are legally enforceable bilateral agreements that (i) create a single legal obligation for all individual transactions covered by the agreement to the nondefaulting entity upon an event of default of the counterparty, including bankruptcy, insolvency, or similar proceeding, and (ii) provide the nondefaulting entity the right to accelerate, terminate, and close-out on a net basis all transactions under the agreement and to liquidate or set off collateral promptly upon an event of default of the counterparty.

To further mitigate the risk of counterparty default related to derivative instruments, we maintain collateral agreements with certain counterparties. The agreements require both parties to maintain collateral in the event the fair values of the derivative financial instruments meet established thresholds. In the event that either party defaults on the obligation, the secured party may seize the collateral. Generally, our collateral arrangements are bilateral such that we and the counterparty post collateral for the obligation. Contractual terms provide for standard and customary exchange of collateral based on changes in the market value of the outstanding derivatives. A party posts additional collateral when their obligation rises or removes collateral when it falls, such that the net replacement cost of the nondefaulting party is covered in the event of counterparty default.

In certain instances as it relates to our derivative instruments, we have the option to report derivative assets and liabilities as well as assets and liabilities associated with cash collateral received or delivered that is governed by a master netting agreement on a net basis as long as certain qualifying criteria are met. Similarly, for our repurchase/reverse repurchase transactions, we have the option to report recognized assets and liabilities subject to a master netting agreement on a net basis if certain qualifying criteria are met. At March 31, 2019, these instruments are reported as gross assets and gross liabilities on the Condensed Consolidated Balance Sheet.

The composition of offsetting derivative instruments, financial assets, and financial liabilities was as follows.

	Gross amounts of recognized assets/liabilities		Gross amounts offset on the Condensed Consolidated Balance Sheet		Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet
							Gross amounts not offset on the Condensed Consolidated Balance Sheet
March 31, 2019($ in millions)							Financial instruments			Collateral (a) (b) (c)			Net amount
Assets
Derivative assets in net asset positions (d)	$	20	$	—	$	20	$	(1	)	$	(1	)	$	18
Derivative assets with no offsetting arrangements	2		—		2		—			—			2
Total assets	$	22	$	—	$	22	$	(1	)	$	(1	)	$	20
Liabilities
Derivative liabilities in net liability positions (d)	$	20	$	—	$	20	$	—		$	(1	)	$	19
Derivative liabilities in net asset positions	1		—		1		(1		)	—			—
Total derivative liabilities (d)	21		—		21		(1		)	(1		)	19
Securities sold under agreements to repurchase (e)	854		—		854		—			(854		)	—
Total liabilities	$	875	$	—	$	875	$	(1	)	$	(855	)	$	19

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. There was $3 million of noncash collateral associated with our repurchase agreements pledged to us that was excluded at March 31, 2019. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $3 million at March 31, 2019. We have not sold or pledged any of the noncash collateral received under these agreements as of March 31, 2019.

(d) For additional information on derivative instruments and hedging activities, refer to Note 17.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

	Gross amounts of recognized assets/liabilities		Gross amounts offset on the Condensed Consolidated Balance Sheet		Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet
							Gross amounts not offset on the Condensed Consolidated Balance Sheet
December 31, 2018 ($ in millions)							Financial instruments		Collateral (a) (b) (c)			Net amount
Assets
Derivative assets in net asset positions	$	41	$	—	$	41	$	—	$	(4	)	$	37
Total assets (d)	$	41	$	—	$	41	$	—	$	(4	)	$	37
Liabilities
Derivative liabilities in net liability positions (d)	$	37	$	—	$	37	$	—	$	—		$	37
Securities sold under agreements to repurchase (e)	685		—		685		—		(685		)	—
Total liabilities	$	722	$	—	$	722	$	—	$	(685	)	$	37

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. There was $3 million of noncash derivative collateral, and $4 million of noncash collateral associated with our repurchase agreements, pledged to us that was excluded at December 31, 2018. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $7 million at December 31, 2018. We have not sold or pledged any of the noncash collateral received under these agreements as of December 31, 2018.

(d) For additional information on derivative instruments and hedging activities, refer to Note 17.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

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Segment Information

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Segment Reporting Disclosure

Segment Information

Operating segments are defined as components of an enterprise that engage in business activity from which revenues are earned and expenses incurred for which discrete financial information is available that is evaluated regularly by our chief operating decision maker in deciding how to allocate resources and in assessing performance.

We report our results of operations on a business-line basis through four operating segments: Automotive Finance operations, Insurance operations, Mortgage Finance operations, and Corporate Finance operations, with the remaining activity reported in Corporate and Other. The operating segments are determined based on the products and services offered, and reflect the manner in which financial information is currently evaluated by management. The following is a description of each of our reportable operating segments.

Automotive Finance operations— One of the largest full service automotive finance operations in the United States providing automotive financing services to consumers, automotive dealers, companies, and municipalities. Our automotive finance services include providing retail installment sales contracts, loans and operating leases, offering term loans to dealers, financing dealer floorplans and other lines of credit to dealers, warehouse lines to automotive retailers, fleet financing, providing financing to companies and municipalities for the purchase or lease of vehicles, and vehicle-remarketing services.

Insurance operations — A complementary automotive-focused business offering both consumer finance protection and insurance products sold primarily through the automotive dealer channel, and commercial insurance products sold directly to dealers. As part of our focus on offering dealers a broad range of consumer financial and insurance products, we provide VSCs, VMCs, and GAP products. We also underwrite select commercial insurance coverages, which primarily insure dealers’ vehicle inventory.

Mortgage Finance operations — Primarily consists of the management of a held-for-investment consumer mortgage finance loan portfolio, which includes bulk purchases of high-quality jumbo and low-to-moderate income (LMI) mortgage loans originated by third parties. Our direct-to-consumer mortgage offering, named Ally Home, consists of a variety of jumbo and conforming fixed- and adjustable-rate mortgage products with the assistance of a third-party fulfillment provider. Jumbo mortgage loans are generally held on our balance sheet and are accounted for as held-for-investment. Conforming mortgage loans are generally originated as held-for-sale and then sold to the fulfillment provider, and we retain no mortgage servicing rights associated with those loans that are sold.

Corporate Finance operations — Primarily provides senior secured leveraged cash flow and asset-based loans to mostly U.S.-based middle-market companies. Our primary focus is on businesses owned by private equity sponsors with loans typically used for leveraged buyouts, mergers and acquisitions, debt refinancing, restructurings, and working capital. We also offer a commercial real estate product to serve companies in the healthcare industry.

Corporate and Other primarily consists of centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, original issue discount, and the residual impacts of our corporate funds-transfer pricing (FTP) and treasury asset liability management (ALM) activities. Corporate and Other also includes certain equity investments, which primarily consist of FHLB and FRB stock, the management of our legacy mortgage portfolio, which primarily consists of loans originated prior to January 1, 2009, and reclassifications and eliminations between the reportable operating segments. Additionally, financial results related to Ally Invest are currently included within Corporate and Other.

We utilize an FTP methodology for the majority of our business operations. The FTP methodology assigns charge rates and credit rates to classes of assets and liabilities based on expected duration and the benchmark rate curve plus an assumed credit spread. Matching duration allocates interest income and interest expense to these reportable segments so their respective results are insulated from interest rate risk. This methodology is consistent with our ALM practices, which includes managing interest rate risk centrally at a corporate level. The net residual impact of the FTP methodology is included within the results of Corporate and Other.

The information presented in our reportable operating segments is based in part on internal allocations, which involve management judgment.

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other			Consolidated (a)
2019
Net financing revenue and other interest income	$	980	$	12	$	50	$	54	$	36		$	1,132
Other revenue	68		360		2		11		25			466
Total net revenue	1,048		372		52		65		61			1,598
Provision for loan losses	262		—		2		23		(5		)	282
Total noninterest expense	457		227		37		29		80			830
Income (loss) from continuing operations before income tax expense	$	329	$	145	$	13	$	13	$	(14	)	$	486
Total assets	$	115,789	$	8,179	$	16,301	$	5,006	$	34,842		$	180,117
2018
Net financing revenue and other interest income	$	909	$	12	$	43	$	46	$	39		$	1,049
Other revenue	66		246		1		8		33			354
Total net revenue	975		258		44		54		72			1,403
Provision for loan losses	259		—		2		—		—			261
Total noninterest expense	448		231		34		25		76			814
Income (loss) from continuing operations before income tax expense	$	268	$	27	$	8	$	29	$	(4	)	$	328
Total assets	$	114,934	$	7,557	$	12,780	$	4,375	$	30,375		$	170,021

(a) Net financing revenue and other interest income after the provision for loan losses totaled $850 million and $788 million for the three months endedMarch 31, 2019, and March 31, 2018, respectively.

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Parent and Guarantor Condensed Consolidating Financial Statements

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Condensed Financial Statements

Parent and Guarantor Condensed Consolidating Financial Statements

Certain of our senior notes issued by the parent are guaranteed by 100% directly owned subsidiaries of Ally (the Guarantors). As of March 31, 2019, the Guarantors include Ally US LLC and IB Finance Holding Company, LLC (IB Finance), each of which fully and unconditionally guarantee the senior notes on a joint and several basis.

The following financial statements present condensed consolidating financial data for (i) Ally Financial Inc. (on a parent company-only basis); (ii) the Guarantors; (iii) the nonguarantor subsidiaries (all other subsidiaries); and (iv) a column for adjustments to arrive at (v) the information for the parent company, the Guarantors, and nonguarantors on a consolidated basis.

Investment in subsidiaries is accounted for by the parent company and the Guarantors using the equity method for this presentation. Results of operations of subsidiaries are therefore classified in the parent company’s and Guarantors’ investment in subsidiaries accounts. The elimination entries set forth in the following condensed consolidating financial statements eliminate distributed and undistributed income of subsidiaries, investment in subsidiaries, and intercompany balances and transactions between the parent, the Guarantors, and nonguarantors.

Condensed Consolidating Statements of Comprehensive Income

Three months ended March 31, 2019($ in millions)	Parent			Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	(60	)	$	—	$	1,867	$	—		$	1,807
Interest and fees on finance receivables and loans — intercompany	3			—		2		(5		)	—
Interest on loans held-for-sale	—			—		2		—			2
Interest and dividends on investment securities and other earning assets	—			—		240		—			240
Interest on cash and cash equivalents	2			—		21		—			23
Interest-bearing cash — intercompany	2			—		3		(5		)	—
Operating leases	2			—		359		—			361
Total financing (loss) revenue and other interest income	(51		)	—		2,494		(10		)	2,433
Interest expense
Interest on deposits	—			—		592		—			592
Interest on short-term borrowings	13			—		31		—			44
Interest on long-term debt	211			—		208		—			419
Interest on intercompany debt	5			—		5		(10		)	—
Total interest expense	229			—		836		(10		)	1,055
Net depreciation expense on operating lease assets	1			—		245		—			246
Net financing (loss) revenue	(281		)	—		1,413		—			1,132
Cash dividends from subsidiaries
Bank subsidiary	400			400		—		(800		)	—
Nonbank subsidiaries	42			—		—		(42		)	—
Other revenue
Insurance premiums and service revenue earned	—			—		261		—			261
Gain on mortgage and automotive loans, net	4			—		6		—			10
Other gain on investments, net	—			—		108		—			108
Other income, net of losses	103			—		144		(160		)	87
Total other revenue	107			—		519		(160		)	466
Total net revenue	268			400		1,932		(1,002		)	1,598
Provision for loan losses	27			—		272		(17		)	282
Noninterest expense
Compensation and benefits expense	12			—		306		—			318
Insurance losses and loss adjustment expenses	—			—		59		—			59
Other operating expenses	155			—		458		(160		)	453
Total noninterest expense	167			—		823		(160		)	830
Income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	74			400		837		(825		)	486
Income tax (benefit) expense from continuing operations	(61		)	—		172		—			111
Net income from continuing operations	135			400		665		(825		)	375
Loss from discontinued operations, net of tax	(1		)	—		—		—			(1		)
Undistributed income of subsidiaries
Bank subsidiary	57			57		—		(114		)	—
Nonbank subsidiaries	183			—		—		(183		)	—
Net income	374			457		665		(1,122		)	374
Other comprehensive income, net of tax	306			229		320		(549		)	306
Comprehensive income	$	680		$	686	$	985	$	(1,671	)	$	680

Three months ended March 31, 2018($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	11		$	—		$	1,532		$	—		$	1,543
Interest and fees on finance receivables and loans — intercompany	2			—			1			(3		)	—
Interest and dividends on investment securities and other earning assets	—			—			176			—			176
Interest on cash and cash equivalents	2			—			14			(1		)	15
Interest-bearing cash — intercompany	2			—			2			(4		)	—
Operating leases	2			—			380			—			382
Total financing revenue and other interest income	19			—			2,105			(8		)	2,116
Interest expense
Interest on deposits	—			—			354			(3		)	351
Interest on short-term borrowings	10			—			22			—			32
Interest on long-term debt	258			—			153			—			411
Interest on intercompany debt	3			—			2			(5		)	—
Total interest expense	271			—			531			(8		)	794
Net depreciation expense on operating lease assets	4			—			269			—			273
Net financing (loss) revenue	(256		)	—			1,305			—			1,049
Cash dividends from subsidiaries
Bank subsidiary	1,000			1,000			—			(2,000		)	—
Nonbank subsidiaries	169			—			—			(169		)	—
Other revenue
Insurance premiums and service revenue earned	—			—			256			—			256
Gain on mortgage and automotive loans, net	28			—			1			(28		)	1
Other loss on investments, net	—			—			(12		)	—			(12		)
Other income, net of losses	96			—			221			(208		)	109
Total other revenue	124			—			466			(236		)	354
Total net revenue	1,037			1,000			1,771			(2,405		)	1,403
Provision for loan losses	81			—			208			(28		)	261
Noninterest expense
Compensation and benefits expense	23			—			283			—			306
Insurance losses and loss adjustment expenses	—			—			63			—			63
Other operating expenses	182			—			471			(208		)	445
Total noninterest expense	205			—			817			(208		)	814
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	751			1,000			746			(2,169		)	328
Income tax (benefit) expense from continuing operations	(56		)	—			132			—			76
Net income from continuing operations	807			1,000			614			(2,169		)	252
Loss from discontinued operations, net of tax	(1		)	—			(1		)	—			(2		)
Undistributed (loss) income of subsidiaries
Bank subsidiary	(597		)	(597		)	—			1,194			—
Nonbank subsidiaries	41			—			—			(41		)	—
Net income	250			403			613			(1,016		)	250
Other comprehensive loss, net of tax	(328		)	(276		)	(339		)	615			(328		)
Comprehensive (loss) income	$	(78	)	$	127		$	274		$	(401	)	$	(78	)

Condensed Consolidating Balance Sheet

March 31, 2019($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	45		$	—	$	901		$	—		$	946
Interest-bearing	14			—		2,997			—			3,011
Interest-bearing — intercompany	1,345			—		697			(2,042		)	—
Total cash and cash equivalents	1,404			—		4,595			(2,042		)	3,957
Equity securities	—			—		536			—			536
Available-for-sale securities	—			—		27,630			—			27,630
Held-to-maturity securities	—			—		2,404			(17		)	2,387
Loans held-for-sale, net	—			—		107			—			107
Finance receivables and loans, net
Finance receivables and loans, net	2,109			—		127,928			18			130,055
Intercompany loans to
Nonbank subsidiaries	372			—		104			(476		)	—
Allowance for loan losses	(36		)	—		(1,252		)	—			(1,288		)
Total finance receivables and loans, net	2,445			—		126,780			(458		)	128,767
Investment in operating leases, net	3			—		8,336			—			8,339
Intercompany receivables from
Bank subsidiary	104			—		—			(104		)	—
Nonbank subsidiaries	46			—		110			(156		)	—
Investment in subsidiaries
Bank subsidiary	16,499			16,499		—			(32,998		)	—
Nonbank subsidiaries	6,687			—		—			(6,687		)	—
Premiums receivable and other insurance assets	—			—		2,401			—			2,401
Other assets	2,292			—		5,440			(1,739		)	5,993
Total assets	$	29,480		$	16,499	$	178,339		$	(44,201	)	$	180,117
Liabilities and equity
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	141		$	—		$	141
Interest-bearing	—			—		113,158			—			113,158
Interest-bearing — intercompany	—			—		1,345			(1,345		)	—
Total deposit liabilities	—			—		114,644			(1,345		)	113,299
Short-term borrowings	2,486			—		3,629			—			6,115
Long-term debt	11,887			—		29,603			—			41,490
Intercompany debt to
Bank subsidiary	17			—		—			(17		)	—
Nonbank subsidiaries	801			—		372			(1,173		)	—
Intercompany payables to
Bank subsidiary	46			—		—			(46		)	—
Nonbank subsidiaries	108			—		113			(221		)	—
Interest payable	218			—		478			—			696
Unearned insurance premiums and service revenue	—			—		3,096			—			3,096
Accrued expenses and other liabilities	218			—		3,236			(1,732		)	1,722
Total liabilities	15,781			—		155,171			(4,534		)	166,418
Total equity	13,699			16,499		23,168			(39,667		)	13,699
Total liabilities and equity	$	29,480		$	16,499	$	178,339		$	(44,201	)	$	180,117

December 31, 2018 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	55		$	—	$	755		$	—		$	810
Interest-bearing	5			—		3,722			—			3,727
Interest-bearing — intercompany	1,249			—		521			(1,770		)	—
Total cash and cash equivalents	1,309			—		4,998			(1,770		)	4,537
Equity securities	—			—		773			—			773
Available-for-sale securities	—			—		25,303			—			25,303
Held-to-maturity securities	—			—		2,382			(20		)	2,362
Loans held-for-sale, net	—			—		314			—			314
Finance receivables and loans, net
Finance receivables and loans, net	2,349			—		127,577			—			129,926
Intercompany loans to
Nonbank subsidiaries	882			—		397			(1,279		)	—
Allowance for loan losses	(55		)	—		(1,187		)	—			(1,242		)
Total finance receivables and loans, net	3,176			—		126,787			(1,279		)	128,684
Investment in operating leases, net	5			—		8,412			—			8,417
Intercompany receivables from
Bank subsidiary	158			—		—			(158		)	—
Nonbank subsidiaries	45			—		129			(174		)	—
Investment in subsidiaries
Bank subsidiary	16,213			16,213		—			(32,426		)	—
Nonbank subsidiaries	6,928			—		—			(6,928		)	—
Premiums receivable and other insurance assets	—			—		2,326			—			2,326
Other assets	2,226			—		5,453			(1,526		)	6,153
Total assets	$	30,060		$	16,213	$	176,877		$	(44,281	)	$	178,869
Liabilities and equity
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	142		$	—		$	142
Interest-bearing	1			—		106,035			—			106,036
Interest-bearing — intercompany	—			—		1,249			(1,249		)	—
Total deposit liabilities	1			—		107,426			(1,249		)	106,178
Short-term borrowings	2,477			—		7,510			—			9,987
Long-term debt	12,774			—		31,419			—			44,193
Intercompany debt to
Bank subsidiary	20			—		—			(20		)	—
Nonbank subsidiaries	918			—		882			(1,800		)	—
Intercompany payables to
Bank subsidiary	45			—		—			(45		)	—
Nonbank subsidiaries	124			—		129			(253		)	—
Interest payable	159			—		364			—			523
Unearned insurance premiums and service revenue	—			—		3,044			—			3,044
Accrued expenses and other liabilities	274			—		2,962			(1,560		)	1,676
Total liabilities	16,792			—		153,736			(4,927		)	165,601
Total equity	13,268			16,213		23,141			(39,354		)	13,268
Total liabilities and equity	$	30,060		$	16,213	$	176,877		$	(44,281	)	$	178,869

Condensed Consolidating Statement of Cash Flows

Three months ended March 31, 2019($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash provided by operating activities	$	155		$	400		$	1,369		$	(843	)	$	1,081
Investing activities
Purchases of equity securities	—			—			(48		)	—			(48		)
Proceeds from sales of equity securities	—			—			383			—			383
Purchases of available-for-sale securities	—			—			(3,401		)	—			(3,401		)
Proceeds from sales of available-for-sale securities	—			—			656			—			656
Proceeds from repayments of available-for-sale securities	—			—			694			—			694
Purchases of held-to-maturity securities	—			—			(131		)	—			(131		)
Proceeds from repayments of held-to-maturity securities	—			—			44			—			44
Net change in investment securities — intercompany	—			—			3			(3		)	—
Purchases of finance receivables and loans held-for-investment	—			—			(1,843		)	391			(1,452		)
Proceeds from sales of finance receivables and loans initially held-for-investment	402			—			146			(391		)	157
Originations and repayments of finance receivables and loans held-for-investment and other, net	301			—			848			—			1,149
Net change in loans — intercompany	507			—			290			(797		)	—
Purchases of operating lease assets	—			—			(792		)	—			(792		)
Disposals of operating lease assets	1			—			623			—			624
Capital contributions to subsidiaries	(1		)	—			—			1			—
Returns of contributed capital	15			—			—			(15		)	—
Net change in nonmarketable equity investments	(1		)	—			172			—			171
Other, net	—			—			(94		)	(1		)	(95		)
Net cash provided by (used in) investing activities	1,224			—			(2,450		)	(815		)	(2,041		)
Financing activities
Net change in short-term borrowings — third party	9			—			(3,881		)	—			(3,872		)
Net (decrease) increase in deposits	(1		)	—			7,211			(96		)	7,114
Proceeds from issuance of long-term debt — third party	7			—			1,759			—			1,766
Repayments of long-term debt — third party	(900		)	—			(3,590		)	—			(4,490		)
Net change in debt — intercompany	(118		)	—			(507		)	625			—
Repurchase of common stock	(211		)	—			—			—			(211		)
Dividends paid — third party	(70		)	—			—			—			(70		)
Dividends paid and returns of contributed capital — intercompany	—			(400		)	(458		)	858			—
Capital contributions from parent	—			—			1			(1		)	—
Net cash (used in) provided by financing activities	(1,284		)	(400		)	535			1,386			237
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	—			—			1			—			1
Net increase (decrease) in cash and cash equivalents and restricted cash	95			—			(545		)	(272		)	(722		)
Cash and cash equivalents and restricted cash at beginning of year	1,398			—			5,998			(1,770		)	5,626
Cash and cash equivalents and restricted cash at March 31,	$	1,493		$	—		$	5,453		$	(2,042	)	$	4,904

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, 2019($ in millions)	Parent		Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	1,404	$	—	$	4,595	$	(2,042	)	$	3,957
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	89		—		858		—			947
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	1,493	$	—	$	5,453	$	(2,042	)	$	4,904

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

Three months ended March 31, 2018($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash provided by operating activities	$	456		$	1,000		$	1,812		$	(2,171	)	$	1,097
Investing activities
Purchases of equity securities	—			—			(374		)	—			(374		)
Proceeds from sales of equity securities	—			—			220			—			220
Purchases of available-for-sale securities	—			—			(2,360		)	—			(2,360		)
Proceeds from sales of available-for-sale securities	—			—			328			—			328
Proceeds from repayments of available-for-sale securities	—			—			795			—			795
Purchases of held-to-maturity securities	—			—			(155		)	—			(155		)
Proceeds from repayments of held-to-maturity securities	—			—			35			—			35
Net change in investment securities — intercompany	—			—			9			(9		)	—
Purchases of finance receivables and loans held-for-investment	—			—			(2,317		)	820			(1,497		)
Proceeds from sales of finance receivables and loans initially held-for-investment	820			—			—			(820		)	—
Originations and repayments of finance receivables and loans held-for-investment and other, net	432			—			(1,732		)	—			(1,300		)
Net change in loans — intercompany	(423		)	—			1			422			—
Purchases of operating lease assets	—			—			(969		)	—			(969		)
Disposals of operating lease assets	4			—			972			—			976
Capital contributions to subsidiaries	(49		)	(6		)	—			55			—
Returns of contributed capital	38			—			—			(38		)	—
Net change in nonmarketable equity investments	—			—			(19		)	—			(19		)
Other, net	(3		)	—			(80		)	1			(82		)
Net cash provided by (used in) investing activities	819			(6		)	(5,646		)	431			(4,402		)
Financing activities
Net change in short-term borrowings — third party	(214		)	—			(1,634		)	—			(1,848		)
Net (decrease) increase in deposits	(6		)	—			3,776			403			4,173
Proceeds from issuance of long-term debt — third party	15			—			6,650			—			6,665
Repayments of long-term debt — third party	(1,152		)	—			(4,619		)	—			(5,771		)
Net change in debt — intercompany	(127		)	—			422			(295		)	—
Repurchase of common stock	(185		)	—			—			—			(185		)
Dividends paid — third party	(58		)	—			—			—			(58		)
Dividends paid and returns of contributed capital — intercompany	—			(1,000		)	(1,208		)	2,208			—
Capital contributions from parent	—			6			49			(55		)	—
Net cash (used in) provided by financing activities	(1,727		)	(994		)	3,436			2,261			2,976
Effect of exchange-rate changes on cash and cash equivalents	—			—			(2		)	—			(2		)
Net decrease in cash and cash equivalents and restricted cash	(452		)	—			(400		)	521			(331		)
Cash and cash equivalents and restricted cash at beginning of year	1,395			—			5,707			(1,833		)	5,269
Cash and cash equivalents and restricted cash at March 31,	$	943		$	—		$	5,307		$	(1,312	)	$	4,938

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, 2018 ($ in millions)	Parent		Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	796	$	—	$	4,237	$	(1,312	)	$	3,721
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	147		—		1,070		—			1,217
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	943	$	—	$	5,307	$	(1,312	)	$	4,938

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

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Contingencies and Other Risks

3 Months Ended

Mar. 31, 2019

Loss Contingency [Abstract]

Contingencies Disclosure

Contingencies and Other Risks

Ally and its subsidiaries, including Ally Bank, are or may be subject to potential liability in connection with pending or threatened legal proceedings and other matters. These legal matters may be formal or informal and include litigation and arbitration with one or more identified claimants, certified or purported class actions with yet-to-be-identified claimants, and regulatory or other governmental information-gathering requests, examinations, investigations, and enforcement proceedings. Our legal matters exist in varying stages of adjudication, arbitration, negotiation, or investigation and span our business lines and operations. Claims may be based in law or equity—such as those arising under contracts or in tort and those involving banking, consumer-protection, securities, tax, employment, and other laws—and some can present novel legal theories and allege substantial or indeterminate damages.

Ally and its subsidiaries, including Ally Bank, also are or may be subject to potential liability under other contingent exposures, including indemnification, tax, self-insurance, and other miscellaneous contingencies.

We accrue for a legal matter or other contingent exposure when a loss becomes probable and the amount of loss can be reasonably estimated. Accruals are evaluated each quarter and may be adjusted, upward or downward, based on our best judgment after consultation with counsel. No assurance exists that our accruals will not need to be adjusted in the future. When a probable or reasonably possible loss on a legal matter or other contingent exposure could be material to our consolidated financial condition, results of operations, or cash flows, we provide disclosure in this note as prescribed by ASC 450, Contingencies. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information related to our policy for establishing accruals.

The course and outcome of legal matters are inherently unpredictable. This is especially so when a matter is still in its early stages, the damages sought are indeterminate or unsupported, significant facts are unclear or disputed, novel questions of law or other meaningful legal uncertainties exist, a request to certify a proceeding as a class action is outstanding or granted, multiple parties are named, or regulatory or other governmental entities are involved. Other contingent exposures and their ultimate resolution are similarly unpredictable for reasons that can vary based on the circumstances.

As a result, we often are unable to determine how or when threatened or pending legal matters and other contingent exposures will be resolved and what losses may be incrementally and ultimately incurred. Actual losses may be higher or lower than any amounts accrued or estimated for those matters and other exposures, possibly to a significant degree.

Subject to the foregoing, based on our current knowledge and after consultation with counsel, we do not believe that the ultimate outcomes of currently threatened or pending legal matters and other contingent exposures are likely to be material to our consolidated financial condition after taking into account existing accruals. In light of the uncertainties inherent in these matters and other exposures, however, one or more of them could be material to our results of operations or cash flows during a particular reporting period, depending on factors such as the amount of the loss or liability and the level of our income for that period.

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Subsequent Events

3 Months Ended

Mar. 31, 2019

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

Declaration of Quarterly Dividend

On April 14, 2019, the Board declared a quarterly cash dividend of $0.17 per share on all common stock. The dividend is payable on May 15, 2019, to stockholders of record at the close of business on May 1, 2019.

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Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Accounting, Policy

Our accounting and reporting policies conform to accounting principles generally accepted in the United States of America (GAAP). Additionally, where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and that affect income and expenses during the reporting period and related disclosures. In developing the estimates and assumptions, management uses all available evidence; however, actual results could differ because of uncertainties associated with estimating the amounts, timing, and likelihood of possible outcomes. Our most significant estimates pertain to the allowance for loan losses, valuations of automotive lease assets and residuals, fair value of financial instruments, and the determination of the provision for income taxes.

Lessee, Leases, Policy

At contract inception, we determine whether the contract is or contains a lease based on the terms and conditions of the contract. Lease contracts are recognized on our Condensed Consolidated Balance Sheet as right-of-use (ROU) assets and lease liabilities; however, we have elected not to recognize ROU assets and lease liabilities on real estate leases with terms of one year or less. Lease liabilities and their corresponding ROU assets are recorded based on the present value of the future lease payments over the expected lease term. As the interest rate implicit in the lease contract is typically not readily determinable, we utilize our incremental borrowing rate, which is the rate we would incur to borrow on a collateralized basis over a similar term on an amount equal to the lease payments in a similar economic environment. The ROU asset also includes initial direct costs paid less lease incentives received from the lessor. Our lease contracts are generally classified as operating and, as a result, we recognize a single lease cost within other operating expenses on the income statement on a straight-line basis over the lease term. This update to our accounting policy resulted from our adoption of Accounting Standards Update (ASU) 2016-02 on January 1, 2019, as further described within the section below titled Recently Adopted Accounting Standards

Investment, Policy

Premiums on debt securities that have noncontingent call features that are callable at fixed prices on preset dates are amortized to the earliest call date as an adjustment to investment yield. All other premiums and discounts on debt securities are amortized over the stated maturity of the security as an adjustment to investment yield. This method of amortization differs from that described in Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K, which describes our full accounting policy for Investments. This update to our amortization methodology resulted from the adoption of ASU 2017-08 on January 1, 2019, as further described within the section below titled Recently Adopted Accounting Standards.

Income Tax, Policy

In calculating the provision for interim income taxes, in accordance with Accounting Standards Codification (ASC) 740, Income Taxes, we apply an estimated annual effective tax rate to year-to-date ordinary income. At the end of each interim period, we estimate the effective tax rate expected to be applicable for the full fiscal year. This method differs from that described in Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K, which describes our annual significant income tax accounting policy and related methodology.

Accounting Standards Update 2016-02

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

New Accounting Pronouncements, Policy

In February 2016, the Financial Accounting Standards Board (FASB) issued ASU 2016-02. The amendments in this update primarily replace the existing accounting requirements for operating leases for lessees. Lessee accounting requirements for finance leases (previously referred to as capital leases) and lessor accounting requirements for operating leases and sales type and direct financing leases are largely unchanged. The amendments require the lessee of an operating lease to record a balance sheet gross-up upon lease commencement by recognizing a ROU asset and lease liability equal to the present value of the lease payments. The ROU asset and lease liability should be derecognized in a manner that effectively yields a straight line lease expense over the lease term. In addition to the changes to the lessee operating lease accounting requirements, the amendments also change the types of costs that can be capitalized related to a lease agreement for both lessees and lessors. The amendments also require additional disclosures for all lease types for both lessees and lessors. The FASB issued additional ASUs to clarify the guidance and provide certain practical expedients and an additional transition option. We adopted ASU 2016-02 and the subsequent ASUs that modified ASU 2016-02 (collectively, the amendments) on January 1, 2019. This includes the early adoption of ASU 2019-01, which was issued in March 2019 to amend certain provisions included in ASU 2016-02.

We adopted this guidance using the modified retrospective approach on January 1, 2019, and have not adjusted prior period comparative information and will continue to disclose prior period financial information in accordance with the previous lease accounting guidance. We have elected certain practical expedients permitted within the amendments that allow us to not reassess (i) current lease classifications, (ii) whether existing contracts meet the definition of a lease under the amendments to the lease guidance, and (iii) whether current initial direct costs meet the new criteria for capitalization, for all existing leases as of the adoption date. We made an accounting policy election to calculate the impact of adoption using the remaining minimum lease payments and remaining lease term for each contract that was identified as a lease, discounted at our incremental borrowing rate as of the adoption date. The adoption of the amendments resulted in a ROU asset of approximately $161 million from operating leases for our various corporate facilities, a $29 million reduction to accrued expenses and other liabilities for accrued rent and unamortized tenant improvement allowances, and a lease liability of approximately $190 million. The adoption did not change our previously reported Condensed Consolidated Statements of Comprehensive Income and did not result in a cumulative catch-up adjustment to opening retained earnings.

Accounting Standards Update 2017-08

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

New Accounting Pronouncements, Policy

In March 2017, the FASB issued ASU 2017-08. The amendments in this update require premiums on purchased callable debt securities to be amortized to the security’s earliest call date. Prior to this ASU, premiums and discounts on purchased callable debt securities were generally required to be amortized to the security’s maturity date. The amendments do not require an accounting change for securities held at a discount. We adopted the amendments on January 1, 2019, on a modified retrospective basis, which resulted in an increase to our accumulated deficit of $10 million, net of income taxes, partially offset by an $8 million decrease to accumulated other comprehensive loss, net of income taxes.

Accounting Standards Update 2016-13

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

New Accounting Pronouncements, Policy

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (CECL). The amendments in this update introduce a new accounting model to measure credit losses for financial assets measured at amortized cost. Credit losses for financial assets measured at amortized cost should be determined based on the total current expected credit losses over the life of the financial asset or group of financial assets. In effect, the financial asset or group of financial assets should be presented at the net amount expected to be collected. Credit losses will no longer be recorded under the current incurred loss model for financial assets measured at amortized cost. The amendments also modify the accounting for available-for-sale debt securities whereby credit losses will be recorded through an allowance for credit losses rather than a write-down to the security’s cost basis, which allows for reversals of credit losses when estimated credit losses decline. Credit losses for available-for-sale debt securities should be measured in a manner similar to current GAAP. The amendments are effective on January 1, 2020, with early adoption permitted as of January 1, 2019. The amendments must be applied using a modified retrospective approach with a cumulative-effect adjustment through retained earnings as of the beginning of the fiscal year upon adoption. We plan to adopt these amendments on January 1, 2020, and expect to utilize the modified retrospective approach as required.

The new accounting model for credit losses represents a significant departure from existing GAAP, and will materially increase the allowance for credit losses on our finance receivables and loans, with a resulting negative adjustment to retained earnings. We expect that our consumer automotive loan portfolio will generate the majority of this increase. The amount of the change in the allowance for credit losses will also be impacted by the composition of our portfolio at the adoption date, as well as economic conditions and forecasts at that time. Management created a cross-functional working group to govern the implementation of these amendments, including consideration of model development, data integrity, technology, reporting and disclosure requirements, key accounting interpretations, control environment, and corporate governance. We are in the process of refining and testing the models and procedures that will be used to calculate the credit loss reserves in accordance with these amendments. We performed a limited parallel run during the first quarter of 2019, and will continue to refine and enhance our estimation process with additional parallel testing throughout 2019. Additionally, we do not expect a material allowance for credit losses on our debt securities as a result of the standard based upon the current composition of our portfolio.

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Fair Value Fair Value (Policies)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurement, Policy

GAAP specifies a three-level hierarchy that is used when measuring and disclosing fair value. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). An instrument’s categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. The following is a description of the three hierarchy levels.

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities at the measurement date. Additionally, the entity must have the ability to access the active market, and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs are other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent management’s best assumptions of how market participants would price the assets or liabilities. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

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Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents a disaggregated view of our revenue from contracts with customers included in other revenue that falls within the scope of the revenue recognition principles of ASC 606, Revenue from Contracts with Customers. For further information regarding our revenue recognition policies and details about the nature of our respective revenue streams, refer to Note 1 and Note 3 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K.

Three months ended March 31,  ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other		Consolidated
2019
Revenue from contracts with customers
Noninsurance contracts (a) (b) (c)	$	—	$	131	$	—	$	—	$	—	$	131
Remarketing fee income	18		—		—		—		—		18
Brokerage commissions and other revenue	—		—		—		—		17		17
Deposit account and other banking fees	—		—		—		—		5		5
Brokered/agent commissions	—		3		—		—		—		3
Other	5		—		—		—		—		5
Total revenue from contracts with customers	23		134		—		—		22		179
All other revenue	45		226		2		11		3		287
Total other revenue (d)	$	68	$	360	$	2	$	11	$	25	$	466
2018
Revenue from contracts with customers
Noninsurance contracts (a) (b) (c)	$	—	$	123	$	—	$	—	$	—	$	123
Remarketing fee income	23		—		—		—		—		23
Brokerage commissions and other revenue	—		—		—		—		16		16
Deposit account and other banking fees	—		—		—		—		3		3
Brokered/agent commissions	—		4		—		—		—		4
Other	2		1		—		—		—		3
Total revenue from contracts with customers	25		128		—		—		19		172
All other revenue	41		118		1		8		14		182
Total other revenue (d)	$	66	$	246	$	1	$	8	$	33	$	354

(a) We had $2.6 billion and $2.5 billion in unearned revenue associated with outstanding contracts at January 1, 2019, and January 1, 2018, respectively, and $199 million and $194 million of these balances were recognized as insurance premiums and service revenue earned in our Condensed Consolidated Statement of Comprehensive Income during the three months ended March 31, 2019, and March 31, 2018, respectively.

(b) At March 31, 2019, we had unearned revenue of $2.7 billion associated with outstanding contracts, and with respect to this balance we expect to recognize revenue of $554 million during the remainder of 2019, $672 million in 2020, $562 million in 2021, $424 million in 2022, and $477 million thereafter. At March 31, 2018, we had unearned revenue of $2.5 billion associated with outstanding contracts.

(c) We had opening and closing balances of deferred insurance assets of $1.5 billion and $1.6 billion at January 1, 2019, and March 31, 2019, respectively, and recognized $111 million of expense during the three months endedMarch 31, 2019. We had opening and closing balances of deferred insurance assets of $1.4 billion at both January 1, 2018, and March 31, 2018, and recognized $103 million of expense during the three months ended March 31, 2018.

(d) Represents a component of total net revenue. Refer to Note 21 for further information on our reportable operating segments.

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Other Income, Net of Losses (Tables)

3 Months Ended

Mar. 31, 2019

Other Nonoperating Income (Expense) [Abstract]

Schedule of Other Nonoperating Income, by Component

Details of other income, net of losses, were as follows.

	Three months ended March 31,
($ in millions)	2019		2018
Late charges and other administrative fees	$	29	$	29
Remarketing fees	18		23
Servicing fees	6		8
Income from equity-method investments	4		6
Other, net	30		43
Total other income, net of losses	$	87	$	109

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Reserves for Insurance Losses and Loss Adjustment Expenses Reserves for Insurance Losses and Loss Adjustment Expenses (Tables)

3 Months Ended

Mar. 31, 2019

Reserves for Insurance Losses and Loss Adjustment Expenses [Abstract]

Short-Duration Insurance and Deposit Contracts [Text Block]

The following table shows a rollforward of our reserves for insurance losses and loss adjustment expenses.

($ in millions)	2019			2018
Total gross reserves for insurance losses and loss adjustment expenses at January 1,	$	134		$	140
Less: Reinsurance recoverable	96			108
Net reserves for insurance losses and loss adjustment expenses at January 1,	38			32
Net insurance losses and loss adjustment expenses incurred related to:
Current year	59			60
Prior years (a)	—			3
Total net insurance losses and loss adjustment expenses incurred	59			63
Net insurance losses and loss adjustment expenses paid or payable related to:
Current year	(33		)	(31		)
Prior years	(23		)	(19		)
Total net insurance losses and loss adjustment expenses paid or payable	(56		)	(50		)
Net reserves for insurance losses and loss adjustment expenses at March 31,	41			45
Plus: Reinsurance recoverable	94			112
Total gross reserves for insurance losses and loss adjustment expenses at March 31,	$	135		$	157

(a) There have been no material adverse changes to the reserve for prior years.

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Other Operating Expenses (Tables)

3 Months Ended

Mar. 31, 2019

Operating Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component

Details of other operating expenses were as follows.

	Three months ended March 31,
($ in millions)	2019		2018
Insurance commissions	$	114	$	110
Technology and communications	77		71
Advertising and marketing	48		39
Lease and loan administration	39		42
Professional services	29		32
Regulatory and licensing fees	28		30
Vehicle remarketing and repossession	27		32
Premises and equipment depreciation	22		20
Occupancy	13		11
Non-income taxes	9		8
Amortization of intangible assets	3		3
Other	44		47
Total other operating expenses	$	453	$	445

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

Our investment portfolio includes various debt and equity securities. Our debt securities, which are classified as available-for-sale and held-to-maturity, include government securities, corporate bonds, asset-backed securities, and mortgage-backed securities. The cost, fair value, and gross unrealized gains and losses on available-for-sale and held-to-maturity debt securities were as follows.

	March 31, 2019									December 31, 2018
	Amortized cost		Gross unrealized					Fair value		Amortized cost		Gross unrealized					Fair value
($ in millions)			gains		losses							gains		losses
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	1,990	$	1	$	(49	)	$	1,942	$	1,911	$	—	$	(60	)	$	1,851
U.S. States and political subdivisions	771		13		(3		)	781		816		3		(17		)	802
Foreign government	170		2		—			172		145		1		(1		)	145
Agency mortgage-backed residential	18,939		98		(193		)	18,844		17,486		47		(395		)	17,138
Agency mortgage-backed commercial	316		4		—			320		3		—		—			3
Mortgage-backed residential	2,912		7		(33		)	2,886		2,796		1		(111		)	2,686
Mortgage-backed commercial	725		—		(2		)	723		715		1		(2		)	714
Asset-backed	665		4		(1		)	668		723		2		(2		)	723
Corporate debt	1,301		7		(14		)	1,294		1,286		1		(46		)	1,241
Total available-for-sale securities (a) (b) (c)	$	27,789	$	136	$	(295	)	$	27,630	$	25,881	$	56	$	(634	)	$	25,303
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential (d)	$	2,351	$	15	$	(28	)	$	2,338	$	2,319	$	6	$	(61	)	$	2,264
Asset-backed retained notes	36		—		—			36		43		—		—			43
Total held-to-maturity securities	$	2,387	$	15	$	(28	)	$	2,374	$	2,362	$	6	$	(61	)	$	2,307

(a) Certain entities related to our Insurance operations are required to deposit securities with state regulatory authorities. These deposited securities totaled $12 million at both March 31, 2019, and December 31, 2018.

(b) Certain available-for-sale securities are included in fair value hedging relationships. Refer to Note 17 for additional information.

(c) Available-for-sale securities with a fair value of $4.1 billion and $9.2 billion at March 31, 2019, and December 31, 2018, respectively, were pledged to secure advances from the Federal Home Loan Bank (FHLB), short-term borrowings or repurchase agreements, or for other purposes as required by contractual obligation or law. Under these agreements, we have granted the counterparty the right to sell or pledge $985 million and $821 million of the underlying investment securities at March 31, 2019, and December 31, 2018, respectively.

(d) Held-to-maturity securities with a fair value of $1.3 billion and $1.2 billion at March 31, 2019, and December 31, 2018, respectively, were pledged to secure advances from the FHLB.

Investments Classified by Contractual Maturity Date

The maturity distribution of debt securities outstanding is summarized in the following tables. Call or prepayment options may cause actual maturities to differ from contractual maturities.

	Total				Due in one year or less				Due after one year through five years				Due after five years through ten years				Due after ten years
($ in millions)	Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield
March 31, 2019
Fair value of available-for-sale securities (a)
U.S. Treasury and federal agencies	$	1,942	1.7	%	$	28	1.7	%	$	1,341	1.6	%	$	573	1.9	%	$	—	—	%
U.S. States and political subdivisions	781		3.2		52		2.7		43		2.5		212		2.7		474		3.5
Foreign government	172		2.3		41		2.1		55		2.3		73		2.4		3		2.7
Agency mortgage-backed residential	18,844		3.4		—		—		—		—		52		1.9		18,792		3.4
Agency mortgage-backed commercial	320		3.2		—		—		3		3.1		83		3.3		234		3.2
Mortgage-backed residential	2,886		3.3		—		—		—		—		—		—		2,886		3.3
Mortgage-backed commercial	723		3.8		—		—		—		—		36		4.0		687		3.8
Asset-backed	668		3.5		—		—		390		3.4		165		4.0		113		3.3
Corporate debt	1,294		3.2		152		3.1		512		2.9		606		3.4		24		5.9
Total available-for-sale securities	$	27,630	3.3		$	273	2.7		$	2,344	2.2		$	1,800	2.8		$	23,213	3.4
Amortized cost of available-for-sale securities	$	27,789			$	273			$	2,376			$	1,814			$	23,326
Amortized cost of held-to-maturity securities
Agency mortgage-backed residential	$	2,351	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	2,351	3.2	%
Asset-backed retained notes	36		2.1		—		—		36		2.1		—		—		—		—
Total held-to-maturity securities	$	2,387	3.2		$	—	—		$	36	2.1		$	—	—		$	2,351	3.2
December 31, 2018
Fair value of available-for-sale securities (a)
U.S. Treasury and federal agencies	$	1,851	1.9	%	$	12	1.0	%	$	1,277	1.8	%	$	562	2.0	%	$	—	—	%
U.S. States and political subdivisions	802		3.0		49		1.9		43		2.3		252		2.6		458		3.4
Foreign government	145		2.4		18		3.1		60		2.3		67		2.4		—		—
Agency mortgage-backed residential	17,138		3.3		—		—		—		—		54		1.9		17,084		3.3
Agency mortgage-backed commercial	3		3.1		—		—		3		3.1		—		—		—		—
Mortgage-backed residential	2,686		3.3		—		—		—		—		—		—		2,686		3.3
Mortgage-backed commercial	714		3.8		—		—		—		—		46		3.9		668		3.8
Asset-backed	723		3.5		—		—		478		3.4		121		4.0		124		3.3
Corporate debt	1,241		3.1		144		2.8		496		2.9		581		3.3		20		5.5
Total available-for-sale securities	$	25,303	3.2		$	223	2.6		$	2,357	2.4		$	1,683	2.8		$	21,040	3.3
Amortized cost of available-for-sale securities	$	25,881			$	224			$	2,405			$	1,743			$	21,509
Amortized cost of held-to-maturity securities
Agency mortgage-backed residential	$	2,319	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	2,319	3.2	%
Asset-backed retained notes	43		2.0		—		—		42		2.0		1		3.3		—		—
Total held-to-maturity securities	$	2,362	3.2		$	—	—		$	42	2.0		$	1	3.3		$	2,319	3.2

(a) Yield is calculated using the effective yield of each security at the end of the period, weighted based on the market value. The effective yield considers the contractual coupon and amortized cost, and excludes expected capital gains and losses.

Investment Income

The following table presents interest and dividends on investment securities.

	Three months ended March 31,
($ in millions)	2019		2018
Taxable interest	$	214	$	154
Taxable dividends	3		3
Interest and dividends exempt from U.S. federal income tax	5		6
Interest and dividends on investment securities	$	222	$	163

Schedule of Realized Gain (Loss)

The following table presents gross gains and losses realized upon the sales of available-for-sale securities, and net gains or losses on equity securities held during the period. There were no other-than-temporary impairments of available-for-sale securities for the periods presented.

	Three months ended March 31,
($ in millions)	2019			2018
Available-for-sale securities
Gross realized gains	$	10		$	6
Gross realized losses (a)	(1		)	—
Net realized gains on available-for-sale securities	9			6
Net realized gain on equity securities	29			22
Net unrealized gain (loss) on equity securities	70			(40		)
Other gain (loss) on investments, net	$	108		$	(12	)

(a) Certain available-for-sale securities were sold at a loss during the three months endedMarch 31, 2019, as a result of market conditions within these periods (e.g., a downgrade in the rating of a debt security) or based on corporate actions outside of our control (such as a call by the issuer). Any such sales were made in accordance with our risk-management policies and practices.

Schedule of Unrealized Loss on Investments

The table below summarizes available-for-sale and held-to-maturity securities in an unrealized loss position, which we evaluated for other than temporary impairment. For additional information on our methodology, refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K. As of March 31, 2019, we did not have the intent to sell the available-for-sale or held-to-maturity securities with an unrealized loss position and we do not believe it is more likely than not that we will be required to sell these securities before recovery of their amortized cost basis. As a result of this evaluation, we believe that the securities with an unrealized loss position are not considered to be other-than-temporarily impaired at March 31, 2019.

	March 31, 2019										December 31, 2018
	Less than 12 months					12 months or longer					Less than 12 months					12 months or longer
($ in millions)	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	42	$	—		$	1,749	$	(49	)	$	31	$	—		$	1,758	$	(60	)
U.S. States and political subdivisions	23		—			189		(3		)	259		(3		)	317		(14		)
Foreign government	4		—			22		—			6		—			74		(1		)
Agency mortgage-backed residential	510		(1		)	11,145		(192		)	5,537		(94		)	7,808		(301		)
Agency mortgage-backed commercial	30		—			—		—			—		—			—		—
Mortgage-backed residential	131		—			1,676		(33		)	1,024		(20		)	1,360		(91		)
Mortgage-backed commercial	517		(2		)	41		—			347		(1		)	36		(1		)
Asset-backed	6		—			214		(1		)	294		(1		)	124		(1		)
Corporate debt	105		—			764		(14		)	576		(19		)	569		(27		)
Total temporarily impaired available-for-sale securities	$	1,368	$	(3	)	$	15,800	$	(292	)	$	8,074	$	(138	)	$	12,046	$	(496	)
Held-to-maturity securities
Debt securities
Agency mortgage-backed residential	$	86	$	—		$	1,376	$	(28	)	$	457	$	(6	)	$	1,376	$	(55	)
Asset-backed retained notes	—		—			16		—			16		—			19		—
Total held-to-maturity debt securities	$	86	$	—		$	1,392	$	(28	)	$	473	$	(6	)	$	1,395	$	(55	)

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Finance Receivables and Loans, Net (Tables)

3 Months Ended

Mar. 31, 2019

Loans and Leases Receivable, Net Amount [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

The composition of finance receivables and loans reported at gross carrying value was as follows.

($ in millions)	March 31, 2019		December 31, 2018
Consumer automotive (a)	$	71,553	$	70,539
Consumer mortgage
Mortgage Finance (b)	16,225		15,155
Mortgage — Legacy (c)	1,433		1,546
Total consumer mortgage	17,658		16,701
Total consumer	89,211		87,240
Commercial
Commercial and industrial
Automotive	31,559		33,672
Other	4,516		4,205
Commercial real estate	4,769		4,809
Total commercial	40,844		42,686
Total finance receivables and loans (d)	$	130,055	$	129,926

(a) Certain finance receivables and loans are included in fair value hedging relationships. Refer to Note 17 for additional information.

(b) Includes loans originated as interest-only mortgage loans of $17 million and $18 million at March 31, 2019, and December 31, 2018, respectively, 33% of which are expected to start principal amortization in 2019, and 40% in 2020. The remainder of these loans have exited the interest-only period.

(c) Includes loans originated as interest-only mortgage loans of $305 million and $341 million at March 31, 2019, and December 31, 2018, respectively, of which 99% have exited the interest-only period.

(d) Totals include net unearned income, unamortized premiums and discounts, and deferred fees and costs of $584 million and $587 million at March 31, 2019, and December 31, 2018, respectively.

Allowance for Credit Losses on Financing Receivables

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2019($ in millions)	Consumer automotive			Consumer mortgage			Commercial			Total
Allowance at January 1, 2019	$	1,048		$	53		$	141		$	1,242
Charge-offs (a)	(352		)	(3		)	(5		)	(360		)
Recoveries	118			5			—			123
Net charge-offs	(234		)	2			(5		)	(237		)
Provision for loan losses	257			(3		)	28			282
Other (b)	(1		)	—			2			1
Allowance at March 31, 2019	$	1,070		$	52		$	166		$	1,288
Allowance for loan losses at March 31, 2019
Individually evaluated for impairment	$	46		$	22		$	58		$	126
Collectively evaluated for impairment	1,024			30			108			1,162
Finance receivables and loans at gross carrying value
Ending balance	$	71,553		$	17,658		$	40,844		$	130,055
Individually evaluated for impairment	501			227			269			997
Collectively evaluated for impairment	71,052			17,431			40,575			129,058

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

(b) Primarily related to the transfer of finance receivables and loans from held-for-sale to held-for-investment.

Three months ended March 31, 2018 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial		Total
Allowance at January 1, 2018	$	1,066		$	79		$	131	$	1,276
Charge-offs (a)	(365		)	(12		)	—		(377		)
Recoveries	112			6			—		118
Net charge-offs	(253		)	(6		)	—		(259		)
Provision for loan losses	253			1			7		261
Allowance at March 31, 2018	$	1,066		$	74		$	138	$	1,278
Allowance for loan losses at March 31, 2018
Individually evaluated for impairment	$	40		$	27		$	21	$	88
Collectively evaluated for impairment	1,026			47			117		1,190
Finance receivables and loans at gross carrying value
Ending balance	$	69,318		$	14,683		$	41,326	$	125,327
Individually evaluated for impairment	463			230			147		840
Collectively evaluated for impairment	68,855			14,453			41,179		124,487

(a) Represents the amount of the gross carrying value directly written off. For consumer and commercial loans, the loss from a charge-off is measured as the difference between the gross carrying value of a loan and the fair value of the collateral, less costs to sell. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for more information regarding our charge-off policies.

Schedule Of Sales Of Financing Receivables And Loans

The following table presents information about significant sales of finance receivables and loans and transfers of finance receivables and loans from held-for-investment to held-for-sale based on net carrying value.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	20	$	—
Consumer mortgage	—		1
Total sales and transfers (a)	$	20	$	1

(a) During the three months ended March 31, 2019, we also sold $128 million of finance receivables that were classified as held-for-sale and transferred $63 million of finance receivables from held-for-sale to held-for-investment as of March 31, 2019, both relating to equipment finance receivables from our commercial automotive business.

Schedule of Purchases of Financing Receivables and Loans

The following table presents information about significant purchases of finance receivables and loans based on unpaid principal balance at the time of purchase.

	Three months ended March 31,
($ in millions)	2019		2018
Consumer automotive	$	99	$	168
Consumer mortgage	1,235		1,295
Total purchases of finance receivables and loans	$	1,334	$	1,463

Past Due Financing Receivables

The following table presents an analysis of our past-due finance receivables and loans recorded at gross carrying value.

($ in millions)	30–59 days past due		60–89 days past due		90 days or more past due		Total past due		Current		Total finance receivables and loans
March 31, 2019
Consumer automotive	$	1,575	$	379	$	260	$	2,214	$	69,339	$	71,553
Consumer mortgage
Mortgage Finance	52		8		9		69		16,156		16,225
Mortgage — Legacy	31		11		36		78		1,355		1,433
Total consumer mortgage	83		19		45		147		17,511		17,658
Total consumer	1,658		398		305		2,361		86,850		89,211
Commercial
Commercial and industrial
Automotive	1		8		78		87		31,472		31,559
Other	—		—		2		2		4,514		4,516
Commercial real estate	—		—		2		2		4,767		4,769
Total commercial	1		8		82		91		40,753		40,844
Total consumer and commercial	$	1,659	$	406	$	387	$	2,452	$	127,603	$	130,055
December 31, 2018
Consumer automotive	$	2,107	$	537	$	296	$	2,940	$	67,599	$	70,539
Consumer mortgage
Mortgage Finance	67		5		4		76		15,079		15,155
Mortgage — Legacy	30		10		42		82		1,464		1,546
Total consumer mortgage	97		15		46		158		16,543		16,701
Total consumer	2,204		552		342		3,098		84,142		87,240
Commercial
Commercial and industrial
Automotive	—		1		31		32		33,640		33,672
Other	—		4		16		20		4,185		4,205
Commercial real estate	—		—		1		1		4,808		4,809
Total commercial	—		5		48		53		42,633		42,686
Total consumer and commercial	$	2,204	$	557	$	390	$	3,151	$	126,775	$	129,926

Schedule of Financing Receivables, Non Accrual Status

The following table presents the gross carrying value of our finance receivables and loans on nonaccrual status.

($ in millions)	March 31, 2019		December 31, 2018
Consumer automotive	$	643	$	664
Consumer mortgage
Mortgage Finance	13		9
Mortgage — Legacy	62		70
Total consumer mortgage	75		79
Total consumer	718		743
Commercial
Commercial and industrial
Automotive	138		203
Other	125		142
Commercial real estate	6		4
Total commercial	269		349
Total consumer and commercial finance receivables and loans	$	987	$	1,092

Financing Receivable Credit Quality Indicators

The following table presents performing and nonperforming credit quality indicators in accordance with our internal accounting policies for our consumer finance receivables and loans recorded at gross carrying value. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or more, or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information.

	March 31, 2019						December 31, 2018
($ in millions)	Performing		Nonperforming		Total		Performing		Nonperforming		Total
Consumer automotive	$	70,910	$	643	$	71,553	$	69,875	$	664	$	70,539
Consumer mortgage
Mortgage Finance	16,212		13		16,225		15,146		9		15,155
Mortgage — Legacy	1,371		62		1,433		1,476		70		1,546
Total consumer mortgage	17,583		75		17,658		16,622		79		16,701
Total consumer	$	88,493	$	718	$	89,211	$	86,497	$	743	$	87,240

Schedule Of Pass And Criticized Credit Quality Indicators Of Finance Receivables

The following table presents pass and criticized credit quality indicators based on regulatory definitions for our commercial finance receivables and loans recorded at gross carrying value.

	March 31, 2019						December 31, 2018
($ in millions)	Pass		Criticized (a)		Total		Pass		Criticized (a)		Total
Commercial and industrial
Automotive	$	28,774	$	2,785	$	31,559	$	30,799	$	2,873	$	33,672
Other	3,711		805		4,516		3,373		832		4,205
Commercial real estate	4,526		243		4,769		4,538		271		4,809
Total commercial	$	37,011	$	3,833	$	40,844	$	38,710	$	3,976	$	42,686

(a) Includes loans classified as special mention, substandard, or doubtful. These classifications are based on regulatory definitions and generally represent loans within our portfolio that have a higher default risk or have already defaulted.

Impaired Financing Receivables

The following table presents information about our impaired finance receivables and loans.

($ in millions)	Unpaid principal balance (a)		Gross carrying value		Impaired with no allowance		Impaired with an allowance		Allowance for impaired loans
March 31, 2019
Consumer automotive	$	509	$	501	$	99	$	402	$	46
Consumer mortgage
Mortgage Finance	15		15		6		9		1
Mortgage — Legacy	216		212		65		147		21
Total consumer mortgage	231		227		71		156		22
Total consumer	740		728		170		558		68
Commercial
Commercial and industrial
Automotive	138		138		41		97		18
Other	144		125		56		69		40
Commercial real estate	6		6		3		3		—
Total commercial	288		269		100		169		58
Total consumer and commercial finance receivables and loans	$	1,028	$	997	$	270	$	727	$	126
December 31, 2018
Consumer automotive	$	503	$	495	$	105	$	390	$	44
Consumer mortgage
Mortgage Finance	15		15		6		9		1
Mortgage — Legacy	221		216		65		151		22
Total consumer mortgage	236		231		71		160		23
Total consumer	739		726		176		550		67
Commercial
Commercial and industrial
Automotive	203		203		112		91		10
Other	159		142		40		102		46
Commercial real estate	4		4		4		—		—
Total commercial	366		349		156		193		56
Total consumer and commercial finance receivables and loans	$	1,105	$	1,075	$	332	$	743	$	123

(a) Adjusted for charge-offs.

Schedule of Average Balance And Interest Income Of Impaired Finance Receivables

The following table presents average balance and interest income for our impaired finance receivables and loans.

	2019				2018
Three months ended March 31, ($ in millions)	Average balance		Interest income		Average balance		Interest income
Consumer automotive	$	499	$	8	$	444	$	7
Consumer mortgage
Mortgage Finance	15		—		9		—
Mortgage — Legacy	214		3		221		2
Total consumer mortgage	229		3		230		2
Total consumer	728		11		674		9
Commercial
Commercial and industrial
Automotive	170		1		47		1
Other	130		—		52		—
Commercial real estate	5		—		3		—
Total commercial	305		1		102		1
Total consumer and commercial finance receivables and loans	$	1,033	$	12	$	776	$	10

Troubled Debt Restructurings on Financing Receivables

The following table presents information related to finance receivables and loans recorded at gross carrying value modified in connection with a TDR during the period.

	2019					2018
Three months ended March 31, ($ in millions)	Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value		Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value
Consumer automotive	7,427	$	129	$	111	7,042	$	128	$	110
Consumer mortgage
Mortgage Finance	1	—		—		1	1		1
Mortgage — Legacy	20	3		3		62	10		9
Total consumer mortgage	21	3		3		63	11		10
Total consumer finance receivables and loans	7,448	132		114		7,105	139		120
Commercial
Commercial and Industrial
Automotive	6	41		41		—	—		—
Total commercial	6	41		41		—	—		—
Total consumer and commercial finance receivables and loans	7,454	$	173	$	155	7,105	$	139	$	120

Finance receivables and loans redefaulted during the period

The following table presents information about finance receivables and loans recorded at gross carrying value that have redefaulted during the reporting period and were within twelve months or less of being modified as a TDR. Redefault is when finance receivables and loans meet the requirements for evaluation under our charge-off policy (refer to Note 1 to the Consolidated Financial Statements in our 2018 Annual Report on Form 10-K for additional information) except for commercial finance receivables and loans, where redefault is defined as 90 days past due.

	2019					2018
Three months ended March 31, ($ in millions)	Number of loans	Gross carrying value		Charge-off amount		Number of loans	Gross carrying value		Charge-off amount
Consumer automotive	2,209	$	26	$	16	2,326	$	28	$	18
Total consumer finance receivables and loans	2,209	$	26	$	16	2,326	$	28	$	18

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Leasing (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Investment in Operating Leases

The following table details our total investment in operating leases.

($ in millions)	March 31, 2019		January 1, 2019 (a)
Assets
Operating lease right-of-use assets (b)	$	177	$	161
Liabilities
Operating lease liabilities (c)	$	206	$	190

(a) Date of adoption.

(b) Included in other assets on our Condensed Consolidated Balance Sheet.

(c) Included in accrued expenses and other liabilities on our Condensed Consolidated Balance Sheet.

Lessee, Operating Lease, Liability, Maturity

The following table presents future minimum rental payments we are required to make under operating leases that have commenced as of March 31, 2019, and that have noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	36
2020	46
2021	36
2022	24
2023	16
2024 and thereafter	71
Total undiscounted cash flows	229
Difference between undiscounted cash flows and discounted cash flows	(23		)
Total lease liability	$	206

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum rental payments required under operating leases as of December 31, 2018, prior to the date of adoption and as defined by the previous lease accounting guidance, with noncancellable lease terms expiring after December 31, 2018, were as follows.

Year ended December 31, ($ in millions)
2019	$	48
2020	47
2021	46
2022	37
2023	31
2024 and thereafter	294
Total minimum payments required	$	503

Lease, Cost

The following table details the components of total net operating lease expense.

	Three months ended March 31,
($ in millions)	2019		2018
Operating lease expense	$	11	$	10
Variable lease expense	2		2
Total lease expense, net (a)	$	13	$	12

(a) Included in other operating expenses in our Condensed Consolidated Statement of Comprehensive Income.

Schedule of Property Subject to or Available for Operating Lease

The following table details our investment in operating leases.

($ in millions)	March 31, 2019			December 31, 2018
Vehicles	$	9,903		$	9,995
Accumulated depreciation	(1,564		)	(1,578		)
Investment in operating leases, net	$	8,339		$	8,417

Lessor, Operating Lease, Payments to be Received, Maturity

The following table presents future minimum rental payments we have the right to receive under operating leases with noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	1,024
2020	933
2021	402
2022	57
2023	5
2024 and thereafter	—
Total lease payments from operating leases	$	2,421

Depreciation Expense on Operating Lease Assets

Depreciation expense on operating lease assets includes remarketing gains and losses recognized on the sale of operating lease assets. The following table summarizes the components of depreciation expense on operating lease assets.

	Three months ended March 31,
($ in millions)	2019			2018
Depreciation expense on operating lease assets (excluding remarketing gains)	$	261		$	291
Remarketing gains, net	(15		)	(18		)
Net depreciation expense on operating lease assets	$	246		$	273

Finance Lease, Liability, Maturity

The following table presents future minimum rental payments we have the right to receive under finance leases with noncancellable lease terms expiring after March 31, 2019.

($ in millions)
2019	$	110
2020	139
2021	134
2022	67
2023	38
2024 and thereafter	29
Total undiscounted cash flows	517
Difference between undiscounted cash flows and discounted cash flows	(52		)
Present value of lease payments recorded as lease receivable	$	465

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Securitizations and Variable Interest Entities (Tables)

3 Months Ended

Mar. 31, 2019

Securitizations And Variable Interest Entities [Abstract]

Schedule of Variable Interest Entities

The following table presents our involvement in consolidated and nonconsolidated VIEs in which we hold variable interests. For additional detail related to the assets and liabilities of consolidated variable interest entities refer to the Condensed Consolidated Balance Sheet.

($ in millions)	Carrying value of total assets			Carrying value of total liabilities			Assets sold to nonconsolidated VIEs (a)		Maximum exposure to loss in nonconsolidated VIEs
March 31, 2019
On-balance sheet variable interest entities
Consumer automotive	$	16,226	(b)	$	6,480	(c)
Commercial automotive	9,620			3,297
Off-balance sheet variable interest entities
Consumer automotive	38		(d)	—			$	957	$	995	(e)
Commercial other	867		(f)	343		(g)	—		1,115		(h)
Total	$	26,751		$	10,120		$	957	$	2,110
December 31, 2018
On-balance sheet variable interest entities
Consumer automotive	$	16,255	(b)	$	6,573	(c)
Commercial automotive	11,089			3,946
Off-balance sheet variable interest entities
Consumer automotive	45		(d)	—			$	1,235	$	1,280	(e)
Commercial other	806		(f)	326		(g)	—		1,054		(h)
Total	$	28,195		$	10,845		$	1,235	$	2,334

(a) Asset values represent the current unpaid principal balance of outstanding consumer finance receivables and loans within the VIEs.

(b) Includes $8.4 billion of assets that were not encumbered by VIE beneficial interests held by third parties at both March 31, 2019, and December 31, 2018. Ally or consolidated affiliates hold the interests in these assets.

(c) Includes $24 million and $25 million of liabilities that were not obligations to third-party beneficial interest holders at March 31, 2019, and December 31, 2018, respectively.

(d) Represents retained notes and certificated residual interests, of which $36 million and $43 million were classified as held-to-maturity securities at March 31, 2019, and December 31, 2018, respectively, and $2 million were classified as other assets at both March 31, 2019, and December 31, 2018. These assets represent our five percent interest in the credit risk of the assets underlying asset-backed securitizations.

(e) Maximum exposure to loss represents the current unpaid principal balance of outstanding loans, retained notes, certificated residual interests, as well as certain noncertificated interests retained from the sale of automotive finance receivables. This measure is based on the very unlikely event that all of our sold loans have defects that would trigger a representation and warranty provision and the underlying collateral supporting the loans becomes worthless. This required disclosure is not an indication of our expected loss.

(f) Amounts are classified as other assets.

(g) Amounts are classified as accrued expenses and other liabilities.

(h) For certain nonconsolidated affordable housing entities, maximum exposure to loss represents the yield we guaranteed investors through long-term guarantee contracts. The amount disclosed is based on the unlikely event that the underlying properties cease generating yield to investors and the yield delivered to investors in the form of low income tax housing credits is recaptured. For nonconsolidated equity investments, maximum exposure to loss represents our outstanding investment, additional committed capital, and low income housing tax credits subject to recapture. The amount disclosed is based on the unlikely event that our committed capital is funded, our investments become worthless, and the tax credits previously delivered to us are recaptured. This required disclosure is not an indication of our expected loss.

Schedule Of Cash Flow Received And Paid To Nonconsolidated Securitization Entities

The following table summarizes cash flows received and paid related to SPEs and asset-backed financings where the transfer is accounted for as a sale and we have a continuing involvement with the transferred consumer automotive assets (e.g., servicing) that were outstanding during the three months endedMarch 31, 2019, and 2018. Additionally, this table contains information regarding cash flows received from and paid to nonconsolidated SPEs that existed during each period.

Three months ended March 31, ($ in millions)	Consumer automotive
2019
Cash flows received on retained interests in securitization entities	$	7
Servicing fees	3
Cash disbursements for repurchases during the period	(1		)
2018
Cash flows received on retained interests in securitization entities	$	5
Servicing fees	5
Cash disbursements for repurchases during the period	(1		)

Schedule of Quantitative Information and Net Credit Losses about Securitized and Other Financial Assets Managed Together

The following tables present quantitative information about delinquencies and net credit losses for off-balance sheet securitizations and whole-loan sales where we have continuing involvement.

	Total amount				Amount 60 days or more past due
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Off-balance sheet securitization entities
Consumer automotive	$	957	$	1,235	$	8	$	13
Whole-loan sales (a)
Consumer automotive	503		634		2		3
Total	$	1,460	$	1,869	$	10	$	16

(a) Whole-loan sales are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

	Net credit losses
	Three months ended March 31,
($ in millions)	2019		2018
Off-balance sheet securitization entities
Consumer automotive	$	2	$	3
Whole-loan sales (a)
Consumer automotive	—		1
Total	$	2	$	4

(a) Whole-loan sales are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

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Other Assets (Tables)

3 Months Ended

Mar. 31, 2019

Other Assets [Abstract]

Schedule of Other Assets

The components of other assets were as follows.

($ in millions)	March 31, 2019			December 31, 2018
Property and equipment at cost	$	1,286		$	1,250
Accumulated depreciation	(708		)	(686		)
Net property and equipment	578			564
Nonmarketable equity investments (a)	1,240			1,410
Restricted cash held for securitization trusts (b)	838			965
Investment in qualified affordable housing projects (c)	687			649
Accrued interest, fees, and rent receivables	624			599
Equity-method investments (d)	289			262
Other accounts receivable	269			203
Goodwill (e)	240			240
Net deferred tax assets	137			317
Restricted cash and cash equivalents (f)	109			124
Fair value of derivative contracts in receivable position (g)	22			41
Cash collateral placed with counterparties	20			26
Other assets	940			753
Total other assets	$	5,993		$	6,153

(a) Includes investments in FHLB stock of $732 million and $903 million at March 31, 2019, and December 31, 2018, respectively; Federal Reserve Bank (FRB) stock of $448 million at both March 31, 2019, and December 31, 2018; and equity securities without a readily determinable fair value of $60 million and $59 million at March 31, 2019, and December 31, 2018, respectively, measured at cost with adjustments for impairment and observable changes in price. Through March 31, 2019, we recorded $3 million of cumulative impairments and downward adjustments related to equity securities without a readily determinable fair value.

(b) Includes restricted cash collected from customer payments on securitized receivables, which are distributed by us to investors as payments on the related secured debt, and cash reserve deposits utilized as a form of credit enhancement for various securitization transactions.

(c) Investment in qualified affordable housing projects are accounted for using the proportional amortization method of accounting and include $336 million and $319 million of unfunded commitments to provide additional capital contributions to investees at March 31, 2019, and December 31, 2018, respectively. Substantially all of the unfunded commitments at March 31, 2019, are expected to be paid out over the next five years.

(d) Primarily relates to investments made in connection with our Community Reinvestment Act (CRA) program.

(e) Includes goodwill of $27 million within our Insurance operations at both March 31, 2019, and December 31, 2018; $193 million within Corporate and Other at both March 31, 2019, and December 31, 2018; and $20 million within Automotive Finance operations at both March 31, 2019, and December 31, 2018. No changes to the carrying amount of goodwill were recorded during the three months endedMarch 31, 2019.

(f) Primarily represents a number of arrangements with third parties where certain restrictions are placed on balances we hold due to collateral agreements associated with operational processes with a third-party bank, or letter of credit arrangements and corresponding collateral requirements.

(g) For additional information on derivative instruments and hedging activities, refer to Note 17.

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Deposit Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Deposits [Abstract]

Deposit Liabilities, Type

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2019		December 31, 2018
Noninterest-bearing deposits	$	141	$	142
Interest-bearing deposits
Savings and money-market checking accounts	60,258		56,050
Certificates of deposit	52,899		49,985
Other deposits	1		1
Total deposit liabilities	$	113,299	$	106,178

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Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of Short-term Debt

The following table presents the composition of our short-term borrowings portfolio.

	March 31, 2019						December 31, 2018
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	2,486	$	—	$	2,486	$	2,477	$	—	$	2,477
Federal Home Loan Bank	—		2,775		2,775		—		6,825		6,825
Securities sold under agreements to repurchase	—		854		854		—		685		685
Total short-term borrowings	$	2,486	$	3,629	$	6,115	$	2,477	$	7,510	$	9,987

(a) Refer to the section below titled Long-term Debt for further details on assets restricted as collateral for payment of the related debt.

Long-term Debt

The following table presents the composition of our long-term debt portfolio.

	March 31, 2019						December 31, 2018
($ in millions)	Unsecured		Secured		Total		Unsecured		Secured		Total
Long-term debt (a)
Due within one year	$	2,630	$	6,948	$	9,578	$	1,663	$	7,313	$	8,976
Due after one year	8,708		23,204		31,912		10,444		24,773		35,217
Total long-term debt (b) (c)	$	11,338	$	30,152	$	41,490	$	12,107	$	32,086	$	44,193

(a) Includes basis adjustments related to the application of hedge accounting. Refer to Note 17 for additional information.

(b) Includes $2.6 billion of trust preferred securities at both March 31, 2019, and December 31, 2018.

(c) Includes advances net of hedge basis adjustment from the FHLB of Pittsburgh of $14.7 billion and $14.9 billion at March 31, 2019, and December 31, 2018, respectively.

Scheduled of Maturities of Long-term Debt

The following table presents the scheduled remaining maturity of long-term debt at March 31, 2019, assuming no early redemptions will occur. The amounts below include adjustments to the carrying value resulting from the application of hedge accounting. The actual payment of secured debt may vary based on the payment activity of the related pledged assets.

($ in millions)	2019			2020			2021			2022			2023			2024 and thereafter			Total
Unsecured
Long-term debt	$	917		$	2,258		$	697		$	1,075		$	12		$	7,504		$	12,463
Original issue discount	(31		)	(41		)	(45		)	(49		)	(56		)	(903		)	(1,125		)
Total unsecured	886			2,217			652			1,026			(44		)	6,601			11,338
Secured
Long-term debt	4,998			6,909			10,185			6,008			1,236			816			30,152
Total long-term debt	$	5,884		$	9,126		$	10,837		$	7,034		$	1,192		$	7,417		$	41,490

Pledged assets for the payment of the related secured borrowings and repurchase agreements

The following summarizes assets restricted as collateral for the payment of the related debt obligation primarily arising from securitization transactions accounted for as secured borrowings and repurchase agreements.

	March 31, 2019					December 31, 2018
($ in millions)	Total (a)			Ally Bank		Total (a)			Ally Bank
Investment securities (b)	$	5,243		$	4,357	$	10,280		$	9,564
Mortgage assets held-for-investment and lending receivables	17,447			17,447		16,498			16,498
Consumer automotive finance receivables	15,882			9,777		17,015			9,715
Commercial automotive finance receivables	14,269			14,269		15,563			15,563
Operating leases	132			—		170			—
Total assets restricted as collateral (c) (d)	$	52,973		$	45,850	$	59,526		$	51,340
Secured debt	$	33,781	(e)	$	27,233	$	39,596	(e)	$	32,072

(a) Ally Bank is a component of the total column.

(b) A portion of the restricted investment securities at March 31, 2019, and December 31, 2018, were restricted under repurchase agreements. Refer to the section above titled Short-term Borrowings for information on the repurchase agreements.

(c) Ally Bank has an advance agreement with the FHLB, and had assets pledged to secure borrowings that were restricted as collateral to the FHLB totaling $26.6 billion and $30.8 billion at March 31, 2019, and December 31, 2018, respectively. These assets were composed primarily of consumer mortgage finance receivables and loans and investment securities. Ally Bank has access to the FRB Discount Window. Ally Bank had assets pledged and restricted as collateral to the FRB totaling $2.4 billion at both March 31, 2019, and December 31, 2018. These assets were composed of consumer automotive finance receivables and loans. Availability under these programs is only for the operations of Ally Bank and cannot be used to fund the operations or liabilities of Ally or its subsidiaries.

(d) Excludes restricted cash and cash reserves for securitization trusts recorded within other assets on the Condensed Consolidated Balance Sheet. Refer to Note 10 for additional information.

(e) Includes $3.6 billion and $7.5 billion of short-term borrowings at March 31, 2019, and December 31, 2018, respectively.

Schedule Of Committed Funding Facilities

	Outstanding				Unused capacity (a)				Total capacity
($ in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Bank funding
Secured	$	3,050	$	3,500	$	700	$	1,300	$	3,750	$	4,800
Parent funding
Secured	2,666		3,165		1,134		635		3,800		3,800
Total committed secured credit facilities	$	5,716	$	6,665	$	1,834	$	1,935	$	7,550	$	8,600

(a) Funding from committed secured credit facilities is available on request in the event excess collateral resides in certain facilities or the extent incremental collateral is available and contributed to the facilities.

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Accrued Expenses and Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Accounts Payable and Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities

The components of accrued expenses and other liabilities were as follows.

($ in millions)	March 31, 2019		December 31, 2018
Accounts payable	$	347	$	516
Unfunded commitments for investment in qualified affordable housing projects	336		319
Employee compensation and benefits	165		255
Reserves for insurance losses and loss adjustment expenses	135		134
Deferred revenue	28		27
Cash collateral received from counterparties	27		41
Fair value of derivative contracts in payable position (a)	21		37
Other liabilities	663		347
Total accrued expenses and other liabilities	$	1,722	$	1,676

(a) For additional information on derivative instruments and hedging activities, refer to Note 17.

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Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2019

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Loss

The following table presents changes, net of tax, in each component of accumulated other comprehensive loss.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)			Cash flow hedges (b)			Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2017	$	(173	)	$	16		$	11		$	(89	)	$	(235	)
Cumulative effect of changes in accounting principles, net of tax (c)
Adoption of Accounting Standards Update 2016-01	27			—			—			—			27
Adoption of Accounting Standards Update 2018-02	(40		)	4			—			(6		)	(42		)
Balance at January 1, 2018	(186		)	20			11			(95		)	(250		)
2018 net change	(338		)	(1		)	14			(3		)	(328		)
Balance at March 31, 2018	$	(524	)	$	19		$	25		$	(98	)	$	(578	)
Balance at December 31, 2018	$	(481	)	$	18		$	19		$	(95	)	$	(539	)
Cumulative effect of changes in accounting principles, net of tax (c)
Adoption of Accounting Standards Update 2017-08	8			—			—			—			8
Balance at January 1, 2019	(473		)	18			19			(95		)	(531		)
2019 net change	315			—			(8		)	(1		)	306
Balance at March 31, 2019	$	(158	)	$	18		$	11		$	(96	)	$	(225	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 17.

(c) Refer to the section titled Recently Adopted Accounting Standards in Note 1 for additional information.

Reclassification out of Accumulated Other Comprehensive Income

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive (loss) income.

Three months ended March 31, 2019($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized gains arising during the period	$	421			$	(99	)		$	322
Less: Net realized gains reclassified to income from continuing operations	9			(a)	(2		)	(b)	7
Net change	412				(97		)		315
Translation adjustments
Net unrealized gains arising during the period	2				(1		)		1
Net investment hedges (c)
Net unrealized losses arising during the period	(2		)		1				(1		)
Cash flow hedges (c)
Net unrealized losses arising during the period	(5		)		1				(4		)
Less: Net realized gains reclassified to income from continuing operations	5				(1		)		4
Net change	(10		)		2				(8		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive loss	$	401			$	(95	)		$	306

(a) Includes gains reclassified to other gain (loss) on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 17.

Three months ended March 31, 2018($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized losses arising during the period	$	(436	)		$	103			$	(333	)
Less: Net realized gains reclassified to income from continuing operations	6			(a)	(1		)	(b)	5
Net change	(442		)		104				(338		)
Translation adjustments
Net unrealized losses arising during the period	(5		)		1				(4		)
Net investment hedges (c)
Net unrealized gains arising during the period	4				(1		)		3
Cash flow hedges (c)
Net unrealized gains arising during the period	18				(4		)		14
Defined benefit pension plans
Net unrealized losses arising during the period	(3		)		—				(3		)
Other comprehensive loss	$	(428	)		$	100			$	(328	)

(a) Includes gains reclassified to other (loss) gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 17.

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Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the calculation of basic and diluted earnings per common share.

	Three months ended March 31,
($ in millions, except per share data; shares in thousands) (a)	2019			2018
Net income from continuing operations attributable to common stockholders	$	375		$	252
Loss from discontinued operations, net of tax	(1		)	(2		)
Net income attributable to common stockholders	$	374		$	250
Basic weighted-average common shares outstanding (b)	404,129			436,213
Diluted weighted-average common shares outstanding (b)	405,959			438,931
Basic earnings per common share
Net income from continuing operations	$	0.93		$	0.58
Loss from discontinued operations, net of tax	—			(0.01		)
Net income	$	0.93		$	0.57
Diluted earnings per common share
Net income from continuing operations	$	0.92		$	0.57
Loss from discontinued operations, net of tax	—			(0.01		)
Net income	$	0.92		$	0.57

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

(b) Includes shares related to share-based compensation that vested but were not yet issued.

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Regulatory Capital and Other Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2019

Regulatory Capital Requirements [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The following table summarizes our capital ratios under the U.S. Basel III capital framework.

	March 31, 2019				December 31, 2018				Required minimum (a)		Well-capitalized minimum
($ in millions)	Amount		Ratio		Amount		Ratio
Capital ratios
Common Equity Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	13,603	9.33	%	$	13,397	9.14	%	4.50	%	(b)
Ally Bank	16,609		12.55		16,552		12.61		4.50		6.50	%
Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	16,035	10.99	%	$	15,831	10.80	%	6.00	%	6.00	%
Ally Bank	16,609		12.55		16,552		12.61		6.00		8.00
Total (to risk-weighted assets)
Ally Financial Inc.	$	18,292	12.54	%	$	18,046	12.31	%	8.00	%	10.00	%
Ally Bank	17,802		13.46		17,620		13.42		8.00		10.00
Tier 1 leverage (to adjusted quarterly average assets) (c)
Ally Financial Inc.	$	16,035	9.02	%	$	15,831	9.00	%	4.00	%	(b)
Ally Bank	16,609		10.45		16,552		10.69		4.00		5.00	%

(a) In addition to the minimum risk-based capital requirements for the Common Equity Tier 1 capital, Tier 1 capital, and total capital ratios, Ally and Ally Bank were required to maintain a minimum capital conservation buffer of 2.5% and 1.875% at March 31, 2019, and December 31, 2018, respectively.

(b) Currently, there is no ratio component for determining whether a BHC is “well-capitalized.”

(c) Federal regulatory reporting guidelines require the calculation of adjusted quarterly average assets using a daily average methodology.

Schedule of Common Share Repurchase Activity

The following table presents information related to our common stock and distributions to our common stockholders over the last five quarters.

	Common stock repurchased during period (a)			Number of common shares outstanding		Cash dividends declared per common share (b)
($ in millions, except per share data; shares in thousands)	Approximate dollar value		Number of shares	Beginning of period	End of period
2018
First quarter	$	185	6,473	437,054	432,691	$	0.13
Second quarter	195		7,280	432,691	425,752	0.13
Third quarter	250		9,194	425,752	416,591	0.15
Fourth quarter	309		12,121	416,591	404,900	0.15
2019
First quarter	$	211	8,113	404,900	399,761	$	0.17

(a) Includes shares of common stock withheld to cover income taxes owed by participants in our share-based incentive plans.

(b) On April 14, 2019, the Ally Board of Directors (the Board) declared a quarterly cash dividend of $0.17 per share on all common stock, payable on May 15, 2019. Refer to Note 24 for further information regarding this common stock dividend.

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Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position

The following table summarizes the amounts of derivative instruments reported on our Condensed Consolidated Balance Sheet. The amounts are presented on a gross basis, are segregated by derivatives that are designated and qualifying as hedging instruments or those that are not, and are further segregated by type of contract within those two categories.

Derivative contracts in a receivable and payable position exclude open trade equity on derivatives cleared through central clearing counterparties. Any associated collateral exchanged with our central clearing counterparties are treated as settlements of the derivative exposure, rather than collateral. Such payments are recognized as settlements of the derivatives contracts in a receivable and payable position on our Condensed Consolidated Balance Sheet.

Notional amounts are reference amounts from which contractual obligations are derived and are not recorded on the balance sheet. In our view, derivative notional is not an accurate measure of our derivative exposure when viewed in isolation from other factors, such as market rate fluctuations and counterparty credit risk.

	March 31, 2019						December 31, 2018
	Derivative contracts in a				Notional amount		Derivative contracts in a				Notional amount
($ in millions)	receivable position		payable position				receivable position		payable position
Derivatives designated as accounting hedges
Interest rate contracts
Swaps	$	—	$	—	$	12,085	$	—	$	—	$	24,203
Purchased options	1		—		100		—		—		—
Foreign exchange contracts
Forwards	—		1		134		1		—		136
Total derivatives designated as accounting hedges	1		1		12,319		1		—		24,339
Derivatives not designated as accounting hedges
Interest rate contracts
Futures and forwards	—		—		11		—		—		11
Written options	2		19		6,180		—		37		6,793
Purchased options	19		—		6,081		37		—		6,742
Total interest rate risk	21		19		12,272		37		37		13,546
Foreign exchange contracts
Futures and forwards	—		—		124		3		—		181
Total foreign exchange risk	—		—		124		3		—		181
Equity contracts
Written options	—		1		1		—		—		—
Total equity risk	—		1		1		—		—		—
Total derivatives not designated as accounting hedges	21		20		12,397		40		37		13,727
Total derivatives	$	22	$	21	$	24,716	$	41	$	37	$	38,066

Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location

The following table presents amounts recorded on our Condensed Consolidated Balance Sheet related to cumulative basis adjustments for fair value hedges.

($ in millions)	Carrying amount of the hedged items				Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged items
					Total				Discontinued (a)
	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Assets
Available-for-sale securities (b) (c)	$	1,495	$	1,485	$	10	$	—	$	8	$	(5	)
Finance receivables and loans, net (d)	36,433		40,850		63		24		68		5
Liabilities
Long-term debt	$	12,263	$	13,001	$	66	$	67	$	66	$	67

(a) Represents the fair value hedging adjustment on qualifying hedges for which the hedging relationship was discontinued. This represents a subset of the amounts reported in the total hedging adjustment.

(b) The carrying amount of hedged available-for-sale securities is presented above using amortized cost. Refer to Note 6 for a reconciliation of the amortized cost and fair value of available-for-sale securities.

(c) The amount identified as the last of layer in the hedge relationship was $28 million at both March 31, 2019, and December 31, 2018, but the hedge relationship was discontinued during the three months ended March 31, 2019. The carrying amount associated with the last-of-layer relationship was $46 million and $47 million, respectively. There was no basis adjustment associated with the last-of-layer relationships for either period.

(d) The hedged item represents the carrying value of the hedged portfolio of assets. The amount identified as the last of layer in the open hedge relationship was $9.6 billion as of March 31, 2019, and $21.4 billion as of December 31, 2018. The basis adjustment associated with the open last-of-layer relationship was a $5 million liability as of March 31, 2019, and a $19 million asset as of December 31, 2018, which would be allocated across the entire remaining closed pool upon termination or maturity of the hedge relationship. The amount that is identified as the last of layer in the discontinued hedge relationship was $11.2 billion for the three months endedMarch 31, 2019. The basis adjustment associated with the discontinued last-of-layer relationship was a $65 million asset for the three months endedMarch 31, 2019, which was allocated across the entire remaining pool upon termination of the hedge relationship.

Derivative Instruments, Gain (Loss)

The following table summarizes the location and amounts of gains and losses on derivative instruments not designated as accounting hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2019			2018
Gain (loss) recognized in earnings
Interest rate contracts
Gain on mortgage and automotive loans, net	$	1		$	—
Other income, net of losses	(5		)	2
Total interest rate contracts	(4		)	2
Foreign exchange contracts
Other income, net of losses	(1		)	—
Total foreign exchange contracts	(1		)	—
(Loss) gain recognized in earnings	$	(5	)	$	2

Derivative Instruments Designated as FV Hedges, Gain (Loss)

The following table summarizes the location and amounts of gains and losses on derivative instruments designated as fair value hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Interest and fees on finance receivables and loans						Interest and dividends on investment securities and other earning assets						Interest on deposits				Interest on long-term debt
Three months ended March 31, ($ in millions)	2019			2018			2019			2018			2019		2018		2019		2018
Gain (loss) on fair value hedging relationships
Interest rate contracts
Hedged fixed-rate unsecured debt	$	—		$	—		$	—		$	—		$	—	$	—	$	—	$	36
Derivatives designated as hedging instruments on fixed-rate unsecured debt	—			—			—			—			—		—		—		(35		)
Hedged fixed-rate FHLB advances	—			—			—			—			—		—		—		33
Derivatives designated as hedging instruments on fixed-rate FHLB advances	—			—			—			—			—		—		—		(33		)
Hedged available-for-sale securities	—			—			10			(3		)	—		—		—		—
Derivatives designated as hedging instruments on available-for-sale securities	—			—			(10		)	3			—		—		—		—
Hedged fixed-rate consumer automotive loans	43			(45		)	—			—			—		—		—		—
Derivatives designated as hedging instruments on fixed-rate consumer automotive loans	(43		)	45			—			—			—		—		—		—
Total gain on fair value hedging relationships	—			—			—			—			—		—		—		1
Gain on cash flow hedging relationships
Interest rate contracts
Hedged deposit liabilities
Reclassified from accumulated other comprehensive income into income	—			—			—			—			1		—		—		—
Hedged variable-rate borrowings
Reclassified from accumulated other comprehensive income into income	—			—			—			—			—		—		4		—
Total gain on cash flow hedging relationships	$	—		$	—		$	—		$	—		$	1	$	—	$	4	$	—
Total amounts presented in the Condensed Consolidated Statement of Comprehensive Income	$	1,807		$	1,543		$	240		$	176		$	592	$	351	$	419	$	411

Schedule of Derivative Instruments

The following table summarizes the location and amounts of gains and losses related to interest and amortization on derivative instruments designated as fair value and cash flow hedges reported in our Condensed Consolidated Statement of Comprehensive Income.

	Interest and fees on finance receivables and loans						Interest and dividends on investment securities and other earning assets					Interest on long-term debt
Three months ended March 31, ($ in millions)	2019			2018			2019		2018			2019			2018
Gain (loss) on fair value hedging relationships
Interest rate contracts
Amortization of deferred unsecured debt basis adjustments	$	—		$	—		$	—	$	—		$	6		$	15
Interest for qualifying accounting hedges of unsecured debt	—			—			—		—			—			3
Amortization of deferred secured debt basis adjustments (FHLB advances)	—			—			—		—			(6		)	(1		)
Interest for qualifying accounting hedges of secured debt (FHLB advances)	—			—			—		—			—			2
Interest for qualifying accounting hedges of available-for-sale securities	—			—			—		(1		)	—			—
Amortization of deferred loan basis adjustments	(4		)	(4		)	—		—			—			—
Interest for qualifying accounting hedges of consumer automotive loans held-for-investment	6			(7		)	—		—			—			—
Total gain (loss) on fair value hedging relationships	2			(11		)	—		(1		)	—			19
Gain on cash flow hedging relationships
Interest rate contracts
Interest for qualifying accounting hedges of variable-rate borrowings	—			—			—		—			—			1
Total gain on cash flow hedging relationships	$	—		$	—		$	—	$	—		$	—		$	1

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)

The following table summarizes the effect of cash flow hedges on accumulated other comprehensive loss.

	Three months ended March 31,
($ in millions)	2019			2018
Interest rate contracts
(Loss) gain recognized in other comprehensive loss	$	(10	)	$	18

Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss)

The following table summarizes the effect of net investment hedges on accumulated other comprehensive loss and the Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2019			2018
Foreign exchange contracts (a) (b)
(Loss) gain recognized in other comprehensive loss	$	(2	)	$	4

(a) There were no amounts excluded from effectiveness testing for the three months endedMarch 31, 2019, or 2018.

(b) Gains and losses reclassified from accumulated other comprehensive loss are reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income. There were no amounts reclassified for the three months endedMarch 31, 2019, or 2018

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Fair Value (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on a Recurring Basis

The following tables display the assets and liabilities measured at fair value on a recurring basis including financial instruments elected for the fair value option. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items; therefore, they do not directly display the impact of our risk-management activities.

	Recurring fair value measurements
March 31, 2019($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Investment securities
Equity securities (a)	$	525	$	—	$	11	$	536
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,941		1		—		1,942
U.S. States and political subdivisions	—		781		—		781
Foreign government	7		165		—		172
Agency mortgage-backed residential	—		18,844		—		18,844
Agency mortgage-backed commercial	—		320		—		320
Mortgage-backed residential	—		2,886		—		2,886
Mortgage-backed commercial	—		723		—		723
Asset-backed	—		668		—		668
Corporate debt	—		1,294		—		1,294
Total available-for-sale securities	1,948		25,682		—		27,630
Mortgage loans held-for-sale (b)	—		—		15		15
Interests retained in financial asset sales	—		—		4		4
Derivative contracts in a receivable position
Interest rate	—		20		2		22
Total derivative contracts in a receivable position	—		20		2		22
Total assets	$	2,473	$	25,702	$	32	$	28,207
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position
Interest rate	$	—	$	19	$	—	$	19
Foreign currency	—		1		—		1
Other	1		—		—		1
Total derivative contracts in a payable position	1		20		—		21
Total liabilities	$	1	$	20	$	—	$	21

(a) Our investment in any one industry did not exceed 15%.

(b) Carried at fair value due to fair value option elections.

	Recurring fair value measurements
December 31, 2018 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Investment securities
Equity securities (a)	$	766	$	—	$	7	$	773
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	1,850		1		—		1,851
U.S. States and political subdivisions	—		802		—		802
Foreign government	7		138		—		145
Agency mortgage-backed residential	—		17,138		—		17,138
Agency mortgage-backed commercial	—		3		—		3
Mortgage-backed residential	—		2,686		—		2,686
Mortgage-backed commercial	—		714		—		714
Asset-backed	—		723		—		723
Corporate debt	—		1,241		—		1,241
Total available-for-sale securities	1,857		23,446		—		25,303
Mortgage loans held-for-sale (b)	—		—		8		8
Interests retained in financial asset sales	—		—		4		4
Derivative contracts in a receivable position
Interest rate	—		37		—		37
Foreign currency	—		4		—		4
Total derivative contracts in a receivable position	—		41		—		41
Total assets	$	2,623	$	23,487	$	19	$	26,129
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position
Interest rate	$	—	$	37	$	—	$	37
Total derivative contracts in a payable position	—		37		—		37
Total liabilities	$	—	$	37	$	—	$	37

(a) Our investment in any one industry did not exceed 9%.

(b) Carried at fair value due to fair value option elections.

Fair Value, Assets Measured on a Recurring Basis, Unobservable Input Reconciliation

The following tables present the reconciliation for all Level 3 assets and liabilities measured at fair value on a recurring basis. There were no transfers into or out of Level 3 in the periods presented. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the following tables do not fully reflect the impact of our risk-management activities.

	Level 3 recurring fair value measurements
			Net realized/unrealized gains														Fair value at March 31, 2019		Net unrealized gains still held at March 31, 2019
($ in millions)	Fair value at Jan. 1, 2019		included in earnings			included in OCI		Purchases		Sales			Issuances		Settlements				included in earnings		included in OCI
Assets
Equity securities	$	7	$	4	(a)	$	—	$	—	$	—		$	—	$	—	$	11	$	4	$	—
Mortgage loans held-for-sale (b)	8		1		(c)	—		90		(84		)	—		—		15		—		—
Other assets
Interests retained in financial asset sales	4		—			—		—		—			—		—		4		—		—
Derivative assets	—		2		(c)	—		—		—			—		—		2		2		—
Total assets	$	19	$	7		$	—	$	90	$	(84	)	$	—	$	—	$	32	$	6	$	—

(a) Reported as other gain on investments, net, in the Condensed Consolidated Statement of Comprehensive Income.

(b) Carried at fair value due to fair value option elections.

(c) Reported as gain on mortgage and automotive loans, net, in the Condensed Consolidated Statement of Comprehensive Income.

	Level 3 recurring fair value measurements
	Fair value at Jan. 1, 2018		Net realized/unrealized (losses) gains						Purchases		Sales			Issuances		Settlements			Fair value at March 31, 2018		Net unrealized losses included in earnings still held at March 31, 2018
($ in millions)			included in earnings				included in OCI
Assets
Equity securities	$	19	$	(4	)	(a)	$	—	$	—	$	—		$	—	$	(3	)	$	12	$	(5	)
Mortgage loans held-for-sale (b)	13		1			(c)	—		59		(66		)	—		—			7		—
Other assets
Interests retained in financial asset sales	5		—				—		—		—			—		—			5		—
Derivative assets	1		—				—		—		—			—		—			1		—
Total assets	$	38	$	(3	)		$	—	$	59	$	(66	)	$	—	$	(3	)	$	25	$	(5	)

(a) Reported as other loss on investments, net, in the Condensed Consolidated Statement of Comprehensive Income.

(b) Carried at fair value due to fair value option elections.

(c) Reported as gain on mortgage and automotive loans, net, in the Condensed Consolidated Statement of Comprehensive Income.

Fair Value Measurements - Nonrecurring Basis

The following tables display assets and liabilities measured at fair value on a nonrecurring basis and still held at March 31, 2019, and December 31, 2018, respectively. The amounts are as of the end of each period presented, which approximate the fair value measurements that occurred during each period.

	Nonrecurring fair value measurements								Lower-of-cost or fair value reserve, valuation reserve, or cumulative impairment			Total gain (loss) included in earnings
March 31, 2019($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net
Automotive	$	—	$	—	$	18	$	18	$	—		n/m	(a)
Other	—		—		74		74		—			n/m	(a)
Total loans held-for-sale, net	—		—		92		92		—			n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		83		83		(18		)	n/m	(a)
Other	—		—		30		30		(40		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		113		113		(58		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		12		12		(1		)	n/m	(a)
Nonmarketable equity investments	—		—		2		2		—			n/m	(a)
Equity-method investments	—		—		1		1		(3		)	n/m	(a)
Total assets	$	—	$	—	$	220	$	220	$	(62	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation allowance, loan loss allowance, or cumulative impairment to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation allowance, loan loss allowance, or cumulative impairment.

(b) Represents the portion of the portfolio specifically impaired during 2019. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

	Nonrecurring fair value measurements								Lower-of-cost or fair value reserve, valuation reserve, or cumulative impairment			Total gain (loss) included in earnings
December 31, 2018 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net
Automotive (a)	$	—	$	—	$	210	$	210	$	(2	)	n/m	(b)
Other	—		—		96		96		—			n/m	(b)
Total loans held-for-sale, net	—		—		306		306		(2		)	n/m	(b)
Commercial finance receivables and loans, net (c)
Automotive	—		—		84		84		(10		)	n/m	(b)
Other	—		—		55		55		(46		)	n/m	(b)
Total commercial finance receivables and loans, net	—		—		139		139		(56		)	n/m	(b)
Other assets
Nonmarketable equity investments	—		—		1		1		(1		)	n/m	(b)
Equity-method investments	—		—		3		3		—			n/m	(b)
Repossessed and foreclosed assets (d)	—		—		13		13		(1		)	n/m	(b)
Total assets	$	—	$	—	$	462	$	462	$	(60	)	n/m

n/m = not meaningful

(a) Represents loans within our commercial automotive portfolio. Of this amount, $104 million was valued based upon a sales price for a transaction that closed in January 2019, and $106 million was valued using a discounted cash flow analysis, with a spread over forward interest rates as a significant unobservable input utilizing a range of 0.08–1.09% and weighted average of 0.72%.

(b) We consider the applicable valuation allowance, loan loss allowance, or cumulative impairment to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation allowance, loan loss allowance, or cumulative impairment.

(c) Represents the portion of the portfolio specifically impaired during 2018. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(d) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

Financial Instruments Disclosure

The following table presents the carrying and estimated fair value of financial instruments, except for those recorded at fair value on a recurring basis presented in the previous section of this note titled Recurring Fair Value. When possible, we use quoted market prices to determine fair value. Where quoted market prices are not available, the fair value is internally derived based on appropriate valuation methodologies with respect to the amount and timing of future cash flows and estimated discount rates. However, considerable judgment is required in interpreting current market data to develop the market assumptions and inputs necessary to estimate fair value. As such, the actual amount received to sell an asset or the amount paid to settle a liability could differ from our estimates. Fair value information presented herein was based on information available at March 31, 2019, and December 31, 2018.

			Estimated fair value
($ in millions)	Carrying value		Level 1		Level 2		Level 3		Total
March 31, 2019
Financial assets
Held-to-maturity securities	$	2,387	$	—	$	2,374	$	—	$	2,374
Loans held-for-sale, net	92		—		—		92		92
Finance receivables and loans, net	128,767		—		—		131,541		131,541
FHLB/FRB stock (a)	1,180		—		1,180		—		1,180
Financial liabilities
Deposit liabilities	$	54,899	$	—	$	—	$	55,106	$	55,106
Short-term borrowings	6,115		—		—		6,119		6,119
Long-term debt	41,490		—		23,038		20,661		43,699
December 31, 2018
Financial assets
Held-to-maturity securities	$	2,362	$	—	$	2,307	$	—	$	2,307
Loans held-for-sale, net	306		—		—		306		306
Finance receivables and loans, net	128,684		—		—		130,878		130,878
FHLB/FRB stock (a)	1,351		—		1,351		—		1,351
Financial liabilities
Deposit liabilities	$	51,985	$	—	$	—	$	51,997	$	51,997
Short-term borrowings	9,987		—		—		9,992		9,992
Long-term debt	44,193		—		23,846		21,800		45,646

(a) Included in other assets on our Condensed Consolidated Balance Sheet.

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Offsetting Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Offsetting Assets and Liabilities [Abstract]

Offsetting Assets and Liabilities

The composition of offsetting derivative instruments, financial assets, and financial liabilities was as follows.

	Gross amounts of recognized assets/liabilities		Gross amounts offset on the Condensed Consolidated Balance Sheet		Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet
							Gross amounts not offset on the Condensed Consolidated Balance Sheet
March 31, 2019($ in millions)							Financial instruments			Collateral (a) (b) (c)			Net amount
Assets
Derivative assets in net asset positions (d)	$	20	$	—	$	20	$	(1	)	$	(1	)	$	18
Derivative assets with no offsetting arrangements	2		—		2		—			—			2
Total assets	$	22	$	—	$	22	$	(1	)	$	(1	)	$	20
Liabilities
Derivative liabilities in net liability positions (d)	$	20	$	—	$	20	$	—		$	(1	)	$	19
Derivative liabilities in net asset positions	1		—		1		(1		)	—			—
Total derivative liabilities (d)	21		—		21		(1		)	(1		)	19
Securities sold under agreements to repurchase (e)	854		—		854		—			(854		)	—
Total liabilities	$	875	$	—	$	875	$	(1	)	$	(855	)	$	19

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. There was $3 million of noncash collateral associated with our repurchase agreements pledged to us that was excluded at March 31, 2019. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $3 million at March 31, 2019. We have not sold or pledged any of the noncash collateral received under these agreements as of March 31, 2019.

(d) For additional information on derivative instruments and hedging activities, refer to Note 17.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

	Gross amounts of recognized assets/liabilities		Gross amounts offset on the Condensed Consolidated Balance Sheet		Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet
							Gross amounts not offset on the Condensed Consolidated Balance Sheet
December 31, 2018 ($ in millions)							Financial instruments		Collateral (a) (b) (c)			Net amount
Assets
Derivative assets in net asset positions	$	41	$	—	$	41	$	—	$	(4	)	$	37
Total assets (d)	$	41	$	—	$	41	$	—	$	(4	)	$	37
Liabilities
Derivative liabilities in net liability positions (d)	$	37	$	—	$	37	$	—	$	—		$	37
Securities sold under agreements to repurchase (e)	685		—		685		—		(685		)	—
Total liabilities	$	722	$	—	$	722	$	—	$	(685	)	$	37

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. There was $3 million of noncash derivative collateral, and $4 million of noncash collateral associated with our repurchase agreements, pledged to us that was excluded at December 31, 2018. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $7 million at December 31, 2018. We have not sold or pledged any of the noncash collateral received under these agreements as of December 31, 2018.

(d) For additional information on derivative instruments and hedging activities, refer to Note 17.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other			Consolidated (a)
2019
Net financing revenue and other interest income	$	980	$	12	$	50	$	54	$	36		$	1,132
Other revenue	68		360		2		11		25			466
Total net revenue	1,048		372		52		65		61			1,598
Provision for loan losses	262		—		2		23		(5		)	282
Total noninterest expense	457		227		37		29		80			830
Income (loss) from continuing operations before income tax expense	$	329	$	145	$	13	$	13	$	(14	)	$	486
Total assets	$	115,789	$	8,179	$	16,301	$	5,006	$	34,842		$	180,117
2018
Net financing revenue and other interest income	$	909	$	12	$	43	$	46	$	39		$	1,049
Other revenue	66		246		1		8		33			354
Total net revenue	975		258		44		54		72			1,403
Provision for loan losses	259		—		2		—		—			261
Total noninterest expense	448		231		34		25		76			814
Income (loss) from continuing operations before income tax expense	$	268	$	27	$	8	$	29	$	(4	)	$	328
Total assets	$	114,934	$	7,557	$	12,780	$	4,375	$	30,375		$	170,021

(a) Net financing revenue and other interest income after the provision for loan losses totaled $850 million and $788 million for the three months endedMarch 31, 2019, and March 31, 2018, respectively.

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Parent and Guarantor Condensed Consolidating Financial Statements (Tables)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Condensed Income Statement

Condensed Consolidating Statements of Comprehensive Income

Three months ended March 31, 2019($ in millions)	Parent			Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	(60	)	$	—	$	1,867	$	—		$	1,807
Interest and fees on finance receivables and loans — intercompany	3			—		2		(5		)	—
Interest on loans held-for-sale	—			—		2		—			2
Interest and dividends on investment securities and other earning assets	—			—		240		—			240
Interest on cash and cash equivalents	2			—		21		—			23
Interest-bearing cash — intercompany	2			—		3		(5		)	—
Operating leases	2			—		359		—			361
Total financing (loss) revenue and other interest income	(51		)	—		2,494		(10		)	2,433
Interest expense
Interest on deposits	—			—		592		—			592
Interest on short-term borrowings	13			—		31		—			44
Interest on long-term debt	211			—		208		—			419
Interest on intercompany debt	5			—		5		(10		)	—
Total interest expense	229			—		836		(10		)	1,055
Net depreciation expense on operating lease assets	1			—		245		—			246
Net financing (loss) revenue	(281		)	—		1,413		—			1,132
Cash dividends from subsidiaries
Bank subsidiary	400			400		—		(800		)	—
Nonbank subsidiaries	42			—		—		(42		)	—
Other revenue
Insurance premiums and service revenue earned	—			—		261		—			261
Gain on mortgage and automotive loans, net	4			—		6		—			10
Other gain on investments, net	—			—		108		—			108
Other income, net of losses	103			—		144		(160		)	87
Total other revenue	107			—		519		(160		)	466
Total net revenue	268			400		1,932		(1,002		)	1,598
Provision for loan losses	27			—		272		(17		)	282
Noninterest expense
Compensation and benefits expense	12			—		306		—			318
Insurance losses and loss adjustment expenses	—			—		59		—			59
Other operating expenses	155			—		458		(160		)	453
Total noninterest expense	167			—		823		(160		)	830
Income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	74			400		837		(825		)	486
Income tax (benefit) expense from continuing operations	(61		)	—		172		—			111
Net income from continuing operations	135			400		665		(825		)	375
Loss from discontinued operations, net of tax	(1		)	—		—		—			(1		)
Undistributed income of subsidiaries
Bank subsidiary	57			57		—		(114		)	—
Nonbank subsidiaries	183			—		—		(183		)	—
Net income	374			457		665		(1,122		)	374
Other comprehensive income, net of tax	306			229		320		(549		)	306
Comprehensive income	$	680		$	686	$	985	$	(1,671	)	$	680

Three months ended March 31, 2018($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	11		$	—		$	1,532		$	—		$	1,543
Interest and fees on finance receivables and loans — intercompany	2			—			1			(3		)	—
Interest and dividends on investment securities and other earning assets	—			—			176			—			176
Interest on cash and cash equivalents	2			—			14			(1		)	15
Interest-bearing cash — intercompany	2			—			2			(4		)	—
Operating leases	2			—			380			—			382
Total financing revenue and other interest income	19			—			2,105			(8		)	2,116
Interest expense
Interest on deposits	—			—			354			(3		)	351
Interest on short-term borrowings	10			—			22			—			32
Interest on long-term debt	258			—			153			—			411
Interest on intercompany debt	3			—			2			(5		)	—
Total interest expense	271			—			531			(8		)	794
Net depreciation expense on operating lease assets	4			—			269			—			273
Net financing (loss) revenue	(256		)	—			1,305			—			1,049
Cash dividends from subsidiaries
Bank subsidiary	1,000			1,000			—			(2,000		)	—
Nonbank subsidiaries	169			—			—			(169		)	—
Other revenue
Insurance premiums and service revenue earned	—			—			256			—			256
Gain on mortgage and automotive loans, net	28			—			1			(28		)	1
Other loss on investments, net	—			—			(12		)	—			(12		)
Other income, net of losses	96			—			221			(208		)	109
Total other revenue	124			—			466			(236		)	354
Total net revenue	1,037			1,000			1,771			(2,405		)	1,403
Provision for loan losses	81			—			208			(28		)	261
Noninterest expense
Compensation and benefits expense	23			—			283			—			306
Insurance losses and loss adjustment expenses	—			—			63			—			63
Other operating expenses	182			—			471			(208		)	445
Total noninterest expense	205			—			817			(208		)	814
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	751			1,000			746			(2,169		)	328
Income tax (benefit) expense from continuing operations	(56		)	—			132			—			76
Net income from continuing operations	807			1,000			614			(2,169		)	252
Loss from discontinued operations, net of tax	(1		)	—			(1		)	—			(2		)
Undistributed (loss) income of subsidiaries
Bank subsidiary	(597		)	(597		)	—			1,194			—
Nonbank subsidiaries	41			—			—			(41		)	—
Net income	250			403			613			(1,016		)	250
Other comprehensive loss, net of tax	(328		)	(276		)	(339		)	615			(328		)
Comprehensive (loss) income	$	(78	)	$	127		$	274		$	(401	)	$	(78	)

Condensed Balance Sheet

Condensed Consolidating Balance Sheet

March 31, 2019($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	45		$	—	$	901		$	—		$	946
Interest-bearing	14			—		2,997			—			3,011
Interest-bearing — intercompany	1,345			—		697			(2,042		)	—
Total cash and cash equivalents	1,404			—		4,595			(2,042		)	3,957
Equity securities	—			—		536			—			536
Available-for-sale securities	—			—		27,630			—			27,630
Held-to-maturity securities	—			—		2,404			(17		)	2,387
Loans held-for-sale, net	—			—		107			—			107
Finance receivables and loans, net
Finance receivables and loans, net	2,109			—		127,928			18			130,055
Intercompany loans to
Nonbank subsidiaries	372			—		104			(476		)	—
Allowance for loan losses	(36		)	—		(1,252		)	—			(1,288		)
Total finance receivables and loans, net	2,445			—		126,780			(458		)	128,767
Investment in operating leases, net	3			—		8,336			—			8,339
Intercompany receivables from
Bank subsidiary	104			—		—			(104		)	—
Nonbank subsidiaries	46			—		110			(156		)	—
Investment in subsidiaries
Bank subsidiary	16,499			16,499		—			(32,998		)	—
Nonbank subsidiaries	6,687			—		—			(6,687		)	—
Premiums receivable and other insurance assets	—			—		2,401			—			2,401
Other assets	2,292			—		5,440			(1,739		)	5,993
Total assets	$	29,480		$	16,499	$	178,339		$	(44,201	)	$	180,117
Liabilities and equity
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	141		$	—		$	141
Interest-bearing	—			—		113,158			—			113,158
Interest-bearing — intercompany	—			—		1,345			(1,345		)	—
Total deposit liabilities	—			—		114,644			(1,345		)	113,299
Short-term borrowings	2,486			—		3,629			—			6,115
Long-term debt	11,887			—		29,603			—			41,490
Intercompany debt to
Bank subsidiary	17			—		—			(17		)	—
Nonbank subsidiaries	801			—		372			(1,173		)	—
Intercompany payables to
Bank subsidiary	46			—		—			(46		)	—
Nonbank subsidiaries	108			—		113			(221		)	—
Interest payable	218			—		478			—			696
Unearned insurance premiums and service revenue	—			—		3,096			—			3,096
Accrued expenses and other liabilities	218			—		3,236			(1,732		)	1,722
Total liabilities	15,781			—		155,171			(4,534		)	166,418
Total equity	13,699			16,499		23,168			(39,667		)	13,699
Total liabilities and equity	$	29,480		$	16,499	$	178,339		$	(44,201	)	$	180,117

December 31, 2018 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	55		$	—	$	755		$	—		$	810
Interest-bearing	5			—		3,722			—			3,727
Interest-bearing — intercompany	1,249			—		521			(1,770		)	—
Total cash and cash equivalents	1,309			—		4,998			(1,770		)	4,537
Equity securities	—			—		773			—			773
Available-for-sale securities	—			—		25,303			—			25,303
Held-to-maturity securities	—			—		2,382			(20		)	2,362
Loans held-for-sale, net	—			—		314			—			314
Finance receivables and loans, net
Finance receivables and loans, net	2,349			—		127,577			—			129,926
Intercompany loans to
Nonbank subsidiaries	882			—		397			(1,279		)	—
Allowance for loan losses	(55		)	—		(1,187		)	—			(1,242		)
Total finance receivables and loans, net	3,176			—		126,787			(1,279		)	128,684
Investment in operating leases, net	5			—		8,412			—			8,417
Intercompany receivables from
Bank subsidiary	158			—		—			(158		)	—
Nonbank subsidiaries	45			—		129			(174		)	—
Investment in subsidiaries
Bank subsidiary	16,213			16,213		—			(32,426		)	—
Nonbank subsidiaries	6,928			—		—			(6,928		)	—
Premiums receivable and other insurance assets	—			—		2,326			—			2,326
Other assets	2,226			—		5,453			(1,526		)	6,153
Total assets	$	30,060		$	16,213	$	176,877		$	(44,281	)	$	178,869
Liabilities and equity
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	142		$	—		$	142
Interest-bearing	1			—		106,035			—			106,036
Interest-bearing — intercompany	—			—		1,249			(1,249		)	—
Total deposit liabilities	1			—		107,426			(1,249		)	106,178
Short-term borrowings	2,477			—		7,510			—			9,987
Long-term debt	12,774			—		31,419			—			44,193
Intercompany debt to
Bank subsidiary	20			—		—			(20		)	—
Nonbank subsidiaries	918			—		882			(1,800		)	—
Intercompany payables to
Bank subsidiary	45			—		—			(45		)	—
Nonbank subsidiaries	124			—		129			(253		)	—
Interest payable	159			—		364			—			523
Unearned insurance premiums and service revenue	—			—		3,044			—			3,044
Accrued expenses and other liabilities	274			—		2,962			(1,560		)	1,676
Total liabilities	16,792			—		153,736			(4,927		)	165,601
Total equity	13,268			16,213		23,141			(39,354		)	13,268
Total liabilities and equity	$	30,060		$	16,213	$	176,877		$	(44,281	)	$	178,869

Condensed Cash Flow Statement

Condensed Consolidating Statement of Cash Flows

Three months ended March 31, 2019($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash provided by operating activities	$	155		$	400		$	1,369		$	(843	)	$	1,081
Investing activities
Purchases of equity securities	—			—			(48		)	—			(48		)
Proceeds from sales of equity securities	—			—			383			—			383
Purchases of available-for-sale securities	—			—			(3,401		)	—			(3,401		)
Proceeds from sales of available-for-sale securities	—			—			656			—			656
Proceeds from repayments of available-for-sale securities	—			—			694			—			694
Purchases of held-to-maturity securities	—			—			(131		)	—			(131		)
Proceeds from repayments of held-to-maturity securities	—			—			44			—			44
Net change in investment securities — intercompany	—			—			3			(3		)	—
Purchases of finance receivables and loans held-for-investment	—			—			(1,843		)	391			(1,452		)
Proceeds from sales of finance receivables and loans initially held-for-investment	402			—			146			(391		)	157
Originations and repayments of finance receivables and loans held-for-investment and other, net	301			—			848			—			1,149
Net change in loans — intercompany	507			—			290			(797		)	—
Purchases of operating lease assets	—			—			(792		)	—			(792		)
Disposals of operating lease assets	1			—			623			—			624
Capital contributions to subsidiaries	(1		)	—			—			1			—
Returns of contributed capital	15			—			—			(15		)	—
Net change in nonmarketable equity investments	(1		)	—			172			—			171
Other, net	—			—			(94		)	(1		)	(95		)
Net cash provided by (used in) investing activities	1,224			—			(2,450		)	(815		)	(2,041		)
Financing activities
Net change in short-term borrowings — third party	9			—			(3,881		)	—			(3,872		)
Net (decrease) increase in deposits	(1		)	—			7,211			(96		)	7,114
Proceeds from issuance of long-term debt — third party	7			—			1,759			—			1,766
Repayments of long-term debt — third party	(900		)	—			(3,590		)	—			(4,490		)
Net change in debt — intercompany	(118		)	—			(507		)	625			—
Repurchase of common stock	(211		)	—			—			—			(211		)
Dividends paid — third party	(70		)	—			—			—			(70		)
Dividends paid and returns of contributed capital — intercompany	—			(400		)	(458		)	858			—
Capital contributions from parent	—			—			1			(1		)	—
Net cash (used in) provided by financing activities	(1,284		)	(400		)	535			1,386			237
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	—			—			1			—			1
Net increase (decrease) in cash and cash equivalents and restricted cash	95			—			(545		)	(272		)	(722		)
Cash and cash equivalents and restricted cash at beginning of year	1,398			—			5,998			(1,770		)	5,626
Cash and cash equivalents and restricted cash at March 31,	$	1,493		$	—		$	5,453		$	(2,042	)	$	4,904

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, 2019($ in millions)	Parent		Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	1,404	$	—	$	4,595	$	(2,042	)	$	3,957
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	89		—		858		—			947
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	1,493	$	—	$	5,453	$	(2,042	)	$	4,904

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

Three months ended March 31, 2018($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash provided by operating activities	$	456		$	1,000		$	1,812		$	(2,171	)	$	1,097
Investing activities
Purchases of equity securities	—			—			(374		)	—			(374		)
Proceeds from sales of equity securities	—			—			220			—			220
Purchases of available-for-sale securities	—			—			(2,360		)	—			(2,360		)
Proceeds from sales of available-for-sale securities	—			—			328			—			328
Proceeds from repayments of available-for-sale securities	—			—			795			—			795
Purchases of held-to-maturity securities	—			—			(155		)	—			(155		)
Proceeds from repayments of held-to-maturity securities	—			—			35			—			35
Net change in investment securities — intercompany	—			—			9			(9		)	—
Purchases of finance receivables and loans held-for-investment	—			—			(2,317		)	820			(1,497		)
Proceeds from sales of finance receivables and loans initially held-for-investment	820			—			—			(820		)	—
Originations and repayments of finance receivables and loans held-for-investment and other, net	432			—			(1,732		)	—			(1,300		)
Net change in loans — intercompany	(423		)	—			1			422			—
Purchases of operating lease assets	—			—			(969		)	—			(969		)
Disposals of operating lease assets	4			—			972			—			976
Capital contributions to subsidiaries	(49		)	(6		)	—			55			—
Returns of contributed capital	38			—			—			(38		)	—
Net change in nonmarketable equity investments	—			—			(19		)	—			(19		)
Other, net	(3		)	—			(80		)	1			(82		)
Net cash provided by (used in) investing activities	819			(6		)	(5,646		)	431			(4,402		)
Financing activities
Net change in short-term borrowings — third party	(214		)	—			(1,634		)	—			(1,848		)
Net (decrease) increase in deposits	(6		)	—			3,776			403			4,173
Proceeds from issuance of long-term debt — third party	15			—			6,650			—			6,665
Repayments of long-term debt — third party	(1,152		)	—			(4,619		)	—			(5,771		)
Net change in debt — intercompany	(127		)	—			422			(295		)	—
Repurchase of common stock	(185		)	—			—			—			(185		)
Dividends paid — third party	(58		)	—			—			—			(58		)
Dividends paid and returns of contributed capital — intercompany	—			(1,000		)	(1,208		)	2,208			—
Capital contributions from parent	—			6			49			(55		)	—
Net cash (used in) provided by financing activities	(1,727		)	(994		)	3,436			2,261			2,976
Effect of exchange-rate changes on cash and cash equivalents	—			—			(2		)	—			(2		)
Net decrease in cash and cash equivalents and restricted cash	(452		)	—			(400		)	521			(331		)
Cash and cash equivalents and restricted cash at beginning of year	1,395			—			5,707			(1,833		)	5,269
Cash and cash equivalents and restricted cash at March 31,	$	943		$	—		$	5,307		$	(1,312	)	$	4,938

The following table provides a reconciliation of cash and cash equivalents and restricted cash from the Condensed Consolidated Balance Sheet to the Condensed Consolidated Statement of Cash Flows.

March 31, 2018 ($ in millions)	Parent		Guarantors		Nonguarantors		Consolidating adjustments			Ally consolidated
Cash and cash equivalents on the Condensed Consolidated Balance Sheet	$	796	$	—	$	4,237	$	(1,312	)	$	3,721
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet (a)	147		—		1,070		—			1,217
Total cash and cash equivalents and restricted cash in the Condensed Consolidated Statement of Cash Flows	$	943	$	—	$	5,307	$	(1,312	)	$	4,938

(a) Restricted cash balances relate primarily to Ally securitization arrangements. Refer toNote 10for additional details describing the nature of restricted cash balances.

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Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Right-of-Use Asset	$ 177
Operating Lease, Liability	206
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Right-of-Use Asset		$ 161
Operating Lease, Liability		$ 190
Accounting Standards Update 2016-02 | Accrued expenses and other liabilities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	29
Accounting Standards Update 2016-02 | Accumulated other comprehensive loss
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	8
Accounting Standards Update 2017-08 | Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ (10)

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Revenue from Contracts with Customers (Disaggregation of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019	Jan. 01, 2018
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 179	$ 172
Other revenue	466	354
Insurance commissions	114	110
Out of scope of Topic 606
Disaggregation of Revenue [Line Items]
Other revenue	287	182
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	22	19
Other revenue	25	33
Corporate and Other | Out of scope of Topic 606
Disaggregation of Revenue [Line Items]
Other revenue	3	14
Noninsurance contracts
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	131	123
Unearned revenue, remaining performance obligation, amount	2,700	2,500	$ 2,600	$ 2,500
Unearned revenue, revenue recognized	199	194
Deferred commissions	1,600	1,400	$ 1,500
Insurance commissions	111	103
Noninsurance contracts | 2019
Disaggregation of Revenue [Line Items]
Unearned revenue, remaining performance obligation, amount	554
Noninsurance contracts | 2020
Disaggregation of Revenue [Line Items]
Unearned revenue, remaining performance obligation, amount	672
Noninsurance contracts | 2021
Disaggregation of Revenue [Line Items]
Unearned revenue, remaining performance obligation, amount	562
Noninsurance contracts | 2022
Disaggregation of Revenue [Line Items]
Unearned revenue, remaining performance obligation, amount	424
Noninsurance contracts | 2023 and thereafter
Disaggregation of Revenue [Line Items]
Unearned revenue, remaining performance obligation, amount	477
Noninsurance contracts | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Remarketing fee income
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	18	23
Remarketing fee income | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Brokerage commissions and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	17	16
Brokerage commissions and other revenue | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	17	16
Deposit account and other banking fees
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	5	3
Deposit account and other banking fees | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	5	3
Brokered/agent commissions
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3	4
Brokered/agent commissions | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	5	3
Other | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Automotive Finance operations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	23	25
Other revenue	68	66
Automotive Finance operations | Out of scope of Topic 606
Disaggregation of Revenue [Line Items]
Other revenue	45	41
Automotive Finance operations | Noninsurance contracts
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Automotive Finance operations | Remarketing fee income
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	18	23
Automotive Finance operations | Brokerage commissions and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Automotive Finance operations | Deposit account and other banking fees
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Automotive Finance operations | Brokered/agent commissions
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Automotive Finance operations | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	5	2
Automotive Finance operations | Sale of off-lease vehicles
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	15	18
Insurance operations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	134	128
Other revenue	360	246
Insurance operations | Out of scope of Topic 606
Disaggregation of Revenue [Line Items]
Other revenue	226	118
Insurance operations | Noninsurance contracts
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	131	123
Insurance operations | Remarketing fee income
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Insurance operations | Brokerage commissions and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Insurance operations | Deposit account and other banking fees
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Insurance operations | Brokered/agent commissions
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3	4
Insurance operations | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	1
Mortgage Finance operations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Other revenue	2	1
Mortgage Finance operations | Out of scope of Topic 606
Disaggregation of Revenue [Line Items]
Other revenue	2	1
Mortgage Finance operations | Noninsurance contracts
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Mortgage Finance operations | Remarketing fee income
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Mortgage Finance operations | Brokerage commissions and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Mortgage Finance operations | Deposit account and other banking fees
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Mortgage Finance operations | Brokered/agent commissions
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Mortgage Finance operations | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Corporate Finance operations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Other revenue	11	8
Corporate Finance operations | Out of scope of Topic 606
Disaggregation of Revenue [Line Items]
Other revenue	11	8
Corporate Finance operations | Noninsurance contracts
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Corporate Finance operations | Remarketing fee income
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Corporate Finance operations | Brokerage commissions and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Corporate Finance operations | Deposit account and other banking fees
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Corporate Finance operations | Brokered/agent commissions
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Corporate Finance operations | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 0	$ 0

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Other Income, Net of Losses (Schedule of Other Income, Net of Losses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Nonoperating Income (Expense) [Abstract]
Late charges and other administrative fees	$ 29	$ 29
Remarketing fees	18	23
Servicing fees	6	8
Income from equity-method investments	4	6
Other income, net	30	43
Total other income, net of losses	$ 87	$ 109

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Reserves for Insurance Losses and Loss Adjustment Expenses Reserves for Insurance Losses and Loss Adjustment Expenses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Gross reserves for insurance losses and loss adjustment expenses	$ 134	$ 140
Reinsurance recoverable	96	108
Net reserves for insurance losses and loss adjustment expenses	38	32
Net insurance losses and loss adjustment expenses, current year	59	60
Net insurance losses and loss adjustment expenses, prior years	0	3
Net insurance losses and loss adjustment expenses incurred	59	63
Net insurance losses and loss adjustment expenses paid or payable, current year	33	31
Net insurance losses and loss adjustment expenses paid or payable, prior years	23	19
Total net insurance losses and loss adjustment expenses paid or payable	56	50
Net reserves for insurance losses and loss adjustment expenses	41	45
Reinsurance recoverable	94	112
Gross reserves for insurance losses and loss adjustment expenses	$ 135	$ 157

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Other Operating Expenses (Schedule Of Other Operating Expenses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Expenses [Abstract]
Insurance commissions	$ 114	$ 110
Technology and communications	77	71
Advertising and marketing	48	39
Lease and loan administration	39	42
Professional services	29	32
Regulatory and licensing fees	28	30
Vehicle remarketing and repossession	27	32
Premises and equipment depreciation	22	20
Occupancy	13	11
Non-income taxes	9	8
Amortization of intangible assets	3	3
Other operating expenses	44	47
Total other operating expenses	$ 453	$ 445

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Investment Securities (Investment Table) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost	$ 2,387	$ 2,362
Held-to-maturity securities, fair value	2,374	2,307
Securities, amount eligible to be repledged or sold by counterparty	985	821
Available-for-sale securities
Schedule of Investments [Line Items]
Securities pledged for Federal Home Loan Bank, at fair value	4,100	9,200
US Treasury | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	1,990	1,911
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	49	60
Debt securities, available-for-sale, fair value	1,942	1,851
US States and political subdivisions | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	771	816
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	13	3
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	3	17
Debt securities, available-for-sale, fair value	781	802
Foreign government | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	170	145
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2	1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	1
Debt securities, available-for-sale, fair value	172	145
Agency mortgage-backed residential | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	18,939	17,486
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	98	47
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	193	395
Debt securities, available-for-sale, fair value	18,844	17,138
Agency mortgage-backed residential | Held-to-maturity securities
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost	2,351	2,319
Debt securities, held-to-maturity, unrecognized gain	15	6
Debt securities, held-to-maturity, unrecognized loss	28	61
Held-to-maturity securities, fair value	2,338	2,264
Agency mortgage-backed commercial | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	316	3
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	4	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Debt securities, available-for-sale, fair value	320	3
Mortgage-backed residential | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	2,912	2,796
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	7	1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	33	111
Debt securities, available-for-sale, fair value	2,886	2,686
Mortgage-backed commercial | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	725	715
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2	2
Debt securities, available-for-sale, fair value	723	714
Asset-backed | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	665	723
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	4	2
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1	2
Debt securities, available-for-sale, fair value	668	723
Asset-backed | Held-to-maturity securities
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost	36	43
Debt securities, held-to-maturity, unrecognized gain	0	0
Debt securities, held-to-maturity, unrecognized loss	0	0
Held-to-maturity securities, fair value	36	43
Corporate debt | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	1,301	1,286
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	7	1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	14	46
Debt securities, available-for-sale, fair value	1,294	1,241
Available-for-sale debt securities | Available-for-sale securities
Schedule of Investments [Line Items]
Debt securities, available-for-sale, amortized cost	27,789	25,881
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	136	56
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	295	634
Debt securities, available-for-sale, fair value	27,630	25,303
Held-to-maturity securities
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost	2,387	2,362
Debt securities, held-to-maturity, unrecognized gain	15	6
Debt securities, held-to-maturity, unrecognized loss	28	61
Held-to-maturity securities, fair value	2,374	2,307
Federal Home Loan Bank certificates and obligations | Held-to-maturity securities
Schedule of Investments [Line Items]
Securities pledged for Federal Home Loan Bank, at fair value	1,300	1,200
Insurance operations
Schedule of Investments [Line Items]
Deposit securities	$ 12	$ 12

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Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Cash equivalents	$ 56	$ 35
Held-to-maturity securities
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost, before other-than-temporary impairment	$ 2,387	$ 2,362
Debt securities, held-to-maturity, yield	3.20%	3.20%
Debt securities, held-to-maturity, maturity, within one year, amortized Cost	$ 0	$ 0
Debt securities, held-to-maturity, due in one year or less, yield	0.00%	0.00%
Debt securities, held-to-maturity, maturity, after one through five years, amortized cost	$ 36	$ 42
Debt securities, held-to-maturity, due after one year through five years, yield	2.10%	2.00%
Debt securities, held-to-maturity, maturity, after five through ten years, amortized cost	$ 0	$ 1
Debt securities, held-to-maturity, due after five years through ten years, yield	0.00%	3.30%
Debt securities, held-to-maturity, maturity, after 10 Years, amortized cost	$ 2,351	$ 2,319
Debt securities, held-to-maturity, due after ten years, yield	3.20%	3.20%
Available-for-sale securities | US Treasury
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 1,942	$ 1,851
Debt securities, available-for-sale, yield	1.70%	1.90%
Debt securities, available-for-sale, due in one year or less	$ 28	$ 12
Debt securities, available-for-sale, due in one year or less, yield	1.70%	1.00%
Debt securities, available-for-sale, due after one year through five years	$ 1,341	$ 1,277
Debt securities, available-for-sale, due after one year through five years, yield	1.60%	1.80%
Debt securities, available-for-sale, due after five years through ten years	$ 573	$ 562
Debt securities, available-for-sale, due after five years through ten years, yield	1.90%	2.00%
Debt securities, available-for-sale, due after ten years	$ 0	$ 0
Debt securities, available-for-sale, due after ten years, yield	0.00%	0.00%
Debt securities, available-for-sale, amortized cost	$ 1,990	$ 1,911
Available-for-sale securities | US States and political subdivisions
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 781	$ 802
Debt securities, available-for-sale, yield	3.20%	3.00%
Debt securities, available-for-sale, due in one year or less	$ 52	$ 49
Debt securities, available-for-sale, due in one year or less, yield	2.70%	1.90%
Debt securities, available-for-sale, due after one year through five years	$ 43	$ 43
Debt securities, available-for-sale, due after one year through five years, yield	2.50%	2.30%
Debt securities, available-for-sale, due after five years through ten years	$ 212	$ 252
Debt securities, available-for-sale, due after five years through ten years, yield	2.70%	2.60%
Debt securities, available-for-sale, due after ten years	$ 474	$ 458
Debt securities, available-for-sale, due after ten years, yield	3.50%	3.40%
Debt securities, available-for-sale, amortized cost	$ 771	$ 816
Available-for-sale securities | Foreign government
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 172	$ 145
Debt securities, available-for-sale, yield	2.30%	2.40%
Debt securities, available-for-sale, due in one year or less	$ 41	$ 18
Debt securities, available-for-sale, due in one year or less, yield	2.10%	3.10%
Debt securities, available-for-sale, due after one year through five years	$ 55	$ 60
Debt securities, available-for-sale, due after one year through five years, yield	2.30%	2.30%
Debt securities, available-for-sale, due after five years through ten years	$ 73	$ 67
Debt securities, available-for-sale, due after five years through ten years, yield	2.40%	2.40%
Debt securities, available-for-sale, due after ten years	$ 3	$ 0
Debt securities, available-for-sale, due after ten years, yield	2.70%	0.00%
Debt securities, available-for-sale, amortized cost	$ 170	$ 145
Available-for-sale securities | Agency mortgage-backed residential
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 18,844	$ 17,138
Debt securities, available-for-sale, yield	3.40%	3.30%
Debt securities, available-for-sale, due in one year or less	$ 0	$ 0
Debt securities, available-for-sale, due in one year or less, yield	0.00%	0.00%
Debt securities, available-for-sale, due after one year through five years	$ 0	$ 0
Debt securities, available-for-sale, due after one year through five years, yield	0.00%	0.00%
Debt securities, available-for-sale, due after five years through ten years	$ 52	$ 54
Debt securities, available-for-sale, due after five years through ten years, yield	1.90%	1.90%
Debt securities, available-for-sale, due after ten years	$ 18,792	$ 17,084
Debt securities, available-for-sale, due after ten years, yield	3.40%	3.30%
Debt securities, available-for-sale, amortized cost	$ 18,939	$ 17,486
Available-for-sale securities | Agency mortgage-backed commercial [Member]
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 320	$ 3
Debt securities, available-for-sale, yield	3.20%	3.10%
Debt securities, available-for-sale, due in one year or less	$ 0	$ 0
Debt securities, available-for-sale, due in one year or less, yield	0.00%	0.00%
Debt securities, available-for-sale, due after one year through five years	$ 3	$ 3
Debt securities, available-for-sale, due after one year through five years, yield	3.10%	3.10%
Debt securities, available-for-sale, due after five years through ten years	$ 83	$ 0
Debt securities, available-for-sale, due after five years through ten years, yield	3.30%	0.00%
Debt securities, available-for-sale, due after ten years	$ 234	$ 0
Debt securities, available-for-sale, due after ten years, yield	3.20%	0.00%
Debt securities, available-for-sale, amortized cost	$ 316	$ 3
Available-for-sale securities | Mortgage-backed residential
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 2,886	$ 2,686
Debt securities, available-for-sale, yield	3.30%	3.30%
Debt securities, available-for-sale, due in one year or less	$ 0	$ 0
Debt securities, available-for-sale, due in one year or less, yield	0.00%	0.00%
Debt securities, available-for-sale, due after one year through five years	$ 0	$ 0
Debt securities, available-for-sale, due after one year through five years, yield	0.00%	0.00%
Debt securities, available-for-sale, due after five years through ten years	$ 0	$ 0
Debt securities, available-for-sale, due after five years through ten years, yield	0.00%	0.00%
Debt securities, available-for-sale, due after ten years	$ 2,886	$ 2,686
Debt securities, available-for-sale, due after ten years, yield	3.30%	3.30%
Debt securities, available-for-sale, amortized cost	$ 2,912	$ 2,796
Available-for-sale securities | Mortgage-backed commercial
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 723	$ 714
Debt securities, available-for-sale, yield	3.80%	3.80%
Debt securities, available-for-sale, due in one year or less	$ 0	$ 0
Debt securities, available-for-sale, due in one year or less, yield	0.00%	0.00%
Debt securities, available-for-sale, due after one year through five years	$ 0	$ 0
Debt securities, available-for-sale, due after one year through five years, yield	0.00%	0.00%
Debt securities, available-for-sale, due after five years through ten years	$ 36	$ 46
Debt securities, available-for-sale, due after five years through ten years, yield	4.00%	3.90%
Debt securities, available-for-sale, due after ten years	$ 687	$ 668
Debt securities, available-for-sale, due after ten years, yield	3.80%	3.80%
Debt securities, available-for-sale, amortized cost	$ 725	$ 715
Available-for-sale securities | Asset-backed
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 668	$ 723
Debt securities, available-for-sale, yield	3.50%	3.50%
Debt securities, available-for-sale, due in one year or less	$ 0	$ 0
Debt securities, available-for-sale, due in one year or less, yield	0.00%	0.00%
Debt securities, available-for-sale, due after one year through five years	$ 390	$ 478
Debt securities, available-for-sale, due after one year through five years, yield	3.40%	3.40%
Debt securities, available-for-sale, due after five years through ten years	$ 165	$ 121
Debt securities, available-for-sale, due after five years through ten years, yield	4.00%	4.00%
Debt securities, available-for-sale, due after ten years	$ 113	$ 124
Debt securities, available-for-sale, due after ten years, yield	3.30%	3.30%
Debt securities, available-for-sale, amortized cost	$ 665	$ 723
Available-for-sale securities | Corporate debt
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 1,294	$ 1,241
Debt securities, available-for-sale, yield	3.20%	3.10%
Debt securities, available-for-sale, due in one year or less	$ 152	$ 144
Debt securities, available-for-sale, due in one year or less, yield	3.10%	2.80%
Debt securities, available-for-sale, due after one year through five years	$ 512	$ 496
Debt securities, available-for-sale, due after one year through five years, yield	2.90%	2.90%
Debt securities, available-for-sale, due after five years through ten years	$ 606	$ 581
Debt securities, available-for-sale, due after five years through ten years, yield	3.40%	3.30%
Debt securities, available-for-sale, due after ten years	$ 24	$ 20
Debt securities, available-for-sale, due after ten years, yield	5.90%	5.50%
Debt securities, available-for-sale, amortized cost	$ 1,301	$ 1,286
Available-for-sale securities | Available-for-sale debt securities
Schedule of Investments [Line Items]
Total available-for-sale debt securities	$ 27,630	$ 25,303
Debt securities, available-for-sale, yield	3.30%	3.20%
Debt securities, available-for-sale, due in one year or less	$ 273	$ 223
Debt securities, available-for-sale, due in one year or less, yield	2.70%	2.60%
Debt securities, available-for-sale, due after one year through five years	$ 2,344	$ 2,357
Debt securities, available-for-sale, due after one year through five years, yield	2.20%	2.40%
Debt securities, available-for-sale, due after five years through ten years	$ 1,800	$ 1,683
Debt securities, available-for-sale, due after five years through ten years, yield	2.80%	2.80%
Debt securities, available-for-sale, due after ten years	$ 23,213	$ 21,040
Debt securities, available-for-sale, due after ten years, yield	3.40%	3.30%
Debt securities, available-for-sale, amortized cost	$ 27,789	$ 25,881
Debt securities, available-for-sale, maturity, within one year, amortized cost	273	224
Debt securities, available-for-sale, maturity, after one through five years, amortized cost	2,376	2,405
Debt securities, available-for-sale, maturity, after five through ten years, amortized cost	1,814	1,743
Debt securities, available-for-sale, maturity, after 10 Years, amortized cost	23,326	21,509
Held-to-maturity securities | Agency mortgage-backed residential
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost, before other-than-temporary impairment	$ 2,351	$ 2,319
Debt securities, held-to-maturity, yield	3.20%	3.20%
Debt securities, held-to-maturity, maturity, within one year, amortized Cost	$ 0	$ 0
Debt securities, held-to-maturity, due in one year or less, yield	0.00%	0.00%
Debt securities, held-to-maturity, maturity, after one through five years, amortized cost	$ 0	$ 0
Debt securities, held-to-maturity, due after one year through five years, yield	0.00%	0.00%
Debt securities, held-to-maturity, maturity, after five through ten years, amortized cost	$ 0	$ 0
Debt securities, held-to-maturity, due after five years through ten years, yield	0.00%	0.00%
Debt securities, held-to-maturity, maturity, after 10 Years, amortized cost	$ 2,351	$ 2,319
Debt securities, held-to-maturity, due after ten years, yield	3.20%	3.20%
Held-to-maturity securities | Asset-backed
Schedule of Investments [Line Items]
Debt securities, held-to-maturity, amortized cost, before other-than-temporary impairment	$ 36	$ 43
Debt securities, held-to-maturity, yield	2.10%	2.00%
Debt securities, held-to-maturity, maturity, within one year, amortized Cost	$ 0	$ 0
Debt securities, held-to-maturity, due in one year or less, yield	0.00%	0.00%
Debt securities, held-to-maturity, maturity, after one through five years, amortized cost	$ 36	$ 42
Debt securities, held-to-maturity, due after one year through five years, yield	2.10%	2.00%
Debt securities, held-to-maturity, maturity, after five through ten years, amortized cost	$ 0	$ 1
Debt securities, held-to-maturity, due after five years through ten years, yield	0.00%	3.30%
Debt securities, held-to-maturity, maturity, after 10 Years, amortized cost	$ 0	$ 0
Debt securities, held-to-maturity, due after ten years, yield	0.00%	0.00%

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Investment Securities (Investment Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Taxable interest	$ 214	$ 154
Taxable dividends	3	3
Interest and dividends exempt from U.S. federal income tax	5	6
Interest and dividends on investment securities	240	176
Excludes other earning assets
Interest and dividends on investment securities	$ 222	$ 163

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Investment Securities (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Debt Securities, Available-for-sale [Abstract]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	$ 0	$ 0
Available-for-sale securities, gross realized gains	10	6
Available-for-sale securities, gross realized losses	(1)	0
Net realized gains (losses) on available-for-sale securities	9	6
Net realized gain (loss) on equity securities	29	22
Net unrealized gain (loss) on equity securities	70	(40)
Other (loss) gain on investments, net	$ 108	$ (12)

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Investment Securities (Schedule of Unrealized Loss on Investments) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	$ 1,368	$ 8,074
Debt securities, available-for-sale, unrealized loss, less than 12 months	(3)	(138)
Debt securities, available-for-sale, fair value, 12 months or longer	15,800	12,046
Debt securities, available-for-sale, unrealized loss, 12 months or longer	(292)	(496)
Debt Securities, held-to-maturity, less than 12 Months, fair value	86	473
Debt securities, held-to-maturity, unrealized loss, less than 12 Months	0	6
Debt Securities, held-to-maturity, 12 Months or Longer, fair value	1,392	1,395
Debt securities, held-to-maturity, unrealized loss, 12 months or longer	28	55
US Treasury
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	42	31
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	0
Debt securities, available-for-sale, fair value, 12 months or longer	1,749	1,758
Debt securities, available-for-sale, unrealized loss, 12 months or longer	(49)	(60)
US States and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	23	259
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	(3)
Debt securities, available-for-sale, fair value, 12 months or longer	189	317
Debt securities, available-for-sale, unrealized loss, 12 months or longer	(3)	(14)
Foreign government
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	4	6
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	0
Debt securities, available-for-sale, fair value, 12 months or longer	22	74
Debt securities, available-for-sale, unrealized loss, 12 months or longer	0	(1)
Agency mortgage-backed residential
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	510	5,537
Debt securities, available-for-sale, unrealized loss, less than 12 months	(1)	(94)
Debt securities, available-for-sale, fair value, 12 months or longer	11,145	7,808
Debt securities, available-for-sale, unrealized loss, 12 months or longer	(192)	(301)
Debt Securities, held-to-maturity, less than 12 Months, fair value	86	457
Debt securities, held-to-maturity, unrealized loss, less than 12 Months	0	6
Debt Securities, held-to-maturity, 12 Months or Longer, fair value	1,376	1,376
Debt securities, held-to-maturity, unrealized loss, 12 months or longer	28	55
Agency mortgage-backed commercial [Member]
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	30	0
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	0
Debt securities, available-for-sale, fair value, 12 months or longer	0	0
Debt securities, available-for-sale, unrealized loss, 12 months or longer	0	0
Mortgage-backed residential
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	131	1,024
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	(20)
Debt securities, available-for-sale, fair value, 12 months or longer	1,676	1,360
Debt securities, available-for-sale, unrealized loss, 12 months or longer	(33)	(91)
Mortgage-backed commercial
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	517	347
Debt securities, available-for-sale, unrealized loss, less than 12 months	(2)	(1)
Debt securities, available-for-sale, fair value, 12 months or longer	41	36
Debt securities, available-for-sale, unrealized loss, 12 months or longer	0	(1)
Asset-backed
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	6	294
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	(1)
Debt securities, available-for-sale, fair value, 12 months or longer	214	124
Debt securities, available-for-sale, unrealized loss, 12 months or longer	(1)	(1)
Debt Securities, held-to-maturity, less than 12 Months, fair value	0	16
Debt securities, held-to-maturity, unrealized loss, less than 12 Months	0	0
Debt Securities, held-to-maturity, 12 Months or Longer, fair value	16	19
Debt securities, held-to-maturity, unrealized loss, 12 months or longer	0	0
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, fair value, less than 12 months	105	576
Debt securities, available-for-sale, unrealized loss, less than 12 months	0	(19)
Debt securities, available-for-sale, fair value, 12 months or longer	764	569
Debt securities, available-for-sale, unrealized loss, 12 months or longer	$ (14)	$ (27)

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Finance Receivables and Loans, Net (Schedule of Accounts, Notes, Loans and Financing Receivables) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 130,055	$ 129,926	$ 125,327
Loans and finance receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unamortized premiums and discounts and deferred fees and costs	584	587
Consumer portfolio segment | Consumer loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	89,211	87,240
Consumer portfolio segment | Automobile loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	71,553	70,539	69,318
Consumer portfolio segment | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	17,658	16,701	14,683
Consumer portfolio segment | Mortgage Finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	16,225	15,155
Interest-only mortgage loans	$ 17	18
Consumer portfolio segment | Mortgage Finance | 2019, or sooner
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	33.00%
Consumer portfolio segment | Mortgage Finance | 2020, or sooner
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	40.00%
Consumer portfolio segment | Mortgage - Legacy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 1,433	1,546
Interest-only mortgage loans	$ 305	341
Interest-only mortgage loans having exited the interest-only period	99.00%
Commercial portfolio segment | Commercial loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 40,844	42,686	$ 41,326
Commercial portfolio segment | Commercial and industrial automotive
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	31,559	33,672
Commercial portfolio segment | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	4,516	4,205
Commercial portfolio segment | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 4,769	$ 4,809

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Finance Receivables and Loans, Net (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses	$ 1,242	$ 1,276
Allowance for loan and lease losses, charge-offs	(360)	(377)
Allowance for loan and lease losses, recoveries	123	118
Allowance for loan and lease losses, net charge-offs	(237)	(259)
Provision for loan losses	282	261
Allowance for loan losses	1,288	1,278
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, individually evaluated for impairment	126	88
Allowance for loan losses, collectively evaluated for impairment	1,162	1,190
Finance receivables and loans, net	130,055	125,327	$ 129,926
Finance receivables and loans, individually evaluated for impairment	997	840
Finance receivables and loans, collectively evaluated for impairment	129,058	124,487
Allowance for Loan and Lease Losses, Adjustments, Other	1
Consumer portfolio segment | Automobile loan
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses	1,048	1,066
Allowance for loan and lease losses, charge-offs	(352)	(365)
Allowance for loan and lease losses, recoveries	118	112
Allowance for loan and lease losses, net charge-offs	(234)	(253)
Provision for loan losses	257	253
Allowance for loan losses	1,070	1,066
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, individually evaluated for impairment	46	40
Allowance for loan losses, collectively evaluated for impairment	1,024	1,026
Finance receivables and loans, net	71,553	69,318	70,539
Finance receivables and loans, individually evaluated for impairment	501	463
Finance receivables and loans, collectively evaluated for impairment	71,052	68,855
Allowance for Loan and Lease Losses, Adjustments, Other	(1)
Consumer portfolio segment | Residential mortgage
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses	53	79
Allowance for loan and lease losses, charge-offs	(3)	(12)
Allowance for loan and lease losses, recoveries	5	6
Allowance for loan and lease losses, net charge-offs	2	(6)
Provision for loan losses	(3)	1
Allowance for loan losses	52	74
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, individually evaluated for impairment	22	27
Allowance for loan losses, collectively evaluated for impairment	30	47
Finance receivables and loans, net	17,658	14,683	16,701
Finance receivables and loans, individually evaluated for impairment	227	230
Finance receivables and loans, collectively evaluated for impairment	17,431	14,453
Allowance for Loan and Lease Losses, Adjustments, Other	0
Commercial portfolio segment | Commercial loan
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses	141	131
Allowance for loan and lease losses, charge-offs	(5)	0
Allowance for loan and lease losses, recoveries	0	0
Allowance for loan and lease losses, net charge-offs	(5)	0
Provision for loan losses	28	7
Allowance for loan losses	166	138
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, individually evaluated for impairment	58	21
Allowance for loan losses, collectively evaluated for impairment	108	117
Finance receivables and loans, net	40,844	41,326	$ 42,686
Finance receivables and loans, individually evaluated for impairment	269	147
Finance receivables and loans, collectively evaluated for impairment	40,575	$ 41,179
Allowance for Loan and Lease Losses, Adjustments, Other	$ 2

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Finance Receivables and Loans, Net (Schedule of Sales of Financing Receivables and Loans) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, significant sales and transfers	$ 20	$ 1
Financing Receivable, Significant Sales	128
Loans held-for-sale transferred to finance receivables and loans held-for-investment	63	0
Consumer portfolio segment | Automobile loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, significant sales and transfers	20	0
Consumer portfolio segment | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, significant sales and transfers	$ 0	$ 1

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Finance Receivables and Loans, Net (Schedule of Purchases of Financing Receivables and Loans) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables and loans, significant purchases	$ 1,334	$ 1,463
Consumer portfolio segment | Automobile loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables and loans, significant purchases	99	168
Consumer portfolio segment | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables and loans, significant purchases	$ 1,235	$ 1,295

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Finance Receivables and Loans, Net (Past Due Financing Receivables and Loans) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	$ 2,452	$ 3,151
Financing receivable, recorded investment, current	127,603	126,775
Total finance receivables and loans	130,055	129,926	$ 125,327
Consumer portfolio segment | Consumer loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	2,361	3,098
Financing receivable, recorded investment, current	86,850	84,142
Total finance receivables and loans	89,211	87,240
Consumer portfolio segment | Automobile loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	2,214	2,940
Financing receivable, recorded investment, current	69,339	67,599
Total finance receivables and loans	71,553	70,539	69,318
Consumer portfolio segment | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	147	158
Financing receivable, recorded investment, current	17,511	16,543
Total finance receivables and loans	17,658	16,701	14,683
Consumer portfolio segment | Mortgage Finance
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	69	76
Financing receivable, recorded investment, current	16,156	15,079
Total finance receivables and loans	16,225	15,155
Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	78	82
Financing receivable, recorded investment, current	1,355	1,464
Total finance receivables and loans	1,433	1,546
Commercial portfolio segment | Commercial loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	91	53
Financing receivable, recorded investment, current	40,753	42,633
Total finance receivables and loans	40,844	42,686	$ 41,326
Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	87	32
Financing receivable, recorded investment, current	31,472	33,640
Total finance receivables and loans	31,559	33,672
Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	2	20
Financing receivable, recorded investment, current	4,514	4,185
Total finance receivables and loans	4,516	4,205
Commercial portfolio segment | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	2	1
Financing receivable, recorded investment, current	4,767	4,808
Total finance receivables and loans	4,769	4,809
Financing receivables, 30 to 59 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	1,659	2,204
Financing receivables, 30 to 59 days past due | Consumer portfolio segment | Consumer loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	1,658	2,204
Financing receivables, 30 to 59 days past due | Consumer portfolio segment | Automobile loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	1,575	2,107
Financing receivables, 30 to 59 days past due | Consumer portfolio segment | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	83	97
Financing receivables, 30 to 59 days past due | Consumer portfolio segment | Mortgage Finance
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	52	67
Financing receivables, 30 to 59 days past due | Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	31	30
Financing receivables, 30 to 59 days past due | Commercial portfolio segment | Commercial loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	1	0
Financing receivables, 30 to 59 days past due | Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	1	0
Financing receivables, 30 to 59 days past due | Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, 30 to 59 days past due | Commercial portfolio segment | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, 60 to 89 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	406	557
Financing receivables, 60 to 89 days past due | Consumer portfolio segment | Consumer loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	398	552
Financing receivables, 60 to 89 days past due | Consumer portfolio segment | Automobile loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	379	537
Financing receivables, 60 to 89 days past due | Consumer portfolio segment | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	19	15
Financing receivables, 60 to 89 days past due | Consumer portfolio segment | Mortgage Finance
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	8	5
Financing receivables, 60 to 89 days past due | Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	11	10
Financing receivables, 60 to 89 days past due | Commercial portfolio segment | Commercial loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	8	5
Financing receivables, 60 to 89 days past due | Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	8	1
Financing receivables, 60 to 89 days past due | Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	4
Financing receivables, 60 to 89 days past due | Commercial portfolio segment | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, equal to greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	387	390
Financing receivables, equal to greater than 90 days past due | Consumer portfolio segment | Consumer loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	305	342
Financing receivables, equal to greater than 90 days past due | Consumer portfolio segment | Automobile loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	260	296
Financing receivables, equal to greater than 90 days past due | Consumer portfolio segment | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	45	46
Financing receivables, equal to greater than 90 days past due | Consumer portfolio segment | Mortgage Finance
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	9	4
Financing receivables, equal to greater than 90 days past due | Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	36	42
Financing receivables, equal to greater than 90 days past due | Commercial portfolio segment | Commercial loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	82	48
Financing receivables, equal to greater than 90 days past due | Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	78	31
Financing receivables, equal to greater than 90 days past due | Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	2	16
Financing receivables, equal to greater than 90 days past due | Commercial portfolio segment | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, recorded investment, past due	$ 2	$ 1

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Finance Receivables and Loans, Net (Schedule of Financing Receivables, Non Accrual Status) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 987	$ 1,092
Consumer portfolio segment | Consumer loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	718	743
Consumer portfolio segment | Automobile loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	643	664
Consumer portfolio segment | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	75	79
Consumer portfolio segment | Mortgage Finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	13	9
Consumer portfolio segment | Mortgage - Legacy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	62	70
Commercial portfolio segment | Commercial loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	269	349
Commercial portfolio segment | Commercial and industrial automotive
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	138	203
Commercial portfolio segment | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	125	142
Commercial portfolio segment | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 6	$ 4

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Finance Receivables and Loans, Net (Financing Receivable Credit Quality Indicators) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 130,055	$ 129,926	$ 125,327
Consumer portfolio segment | Consumer loan
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	89,211	87,240
Consumer portfolio segment | Consumer loan | Performing financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	88,493	86,497
Consumer portfolio segment | Consumer loan | Nonperforming financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	718	743
Consumer portfolio segment | Automobile loan
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	71,553	70,539	69,318
Consumer portfolio segment | Automobile loan | Performing financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	70,910	69,875
Consumer portfolio segment | Automobile loan | Nonperforming financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	643	664
Consumer portfolio segment | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	17,658	16,701	$ 14,683
Consumer portfolio segment | Residential mortgage | Performing financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	17,583	16,622
Consumer portfolio segment | Residential mortgage | Nonperforming financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	75	79
Consumer portfolio segment | Mortgage Finance
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	16,225	15,155
Consumer portfolio segment | Mortgage Finance | Performing financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	16,212	15,146
Consumer portfolio segment | Mortgage Finance | Nonperforming financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	13	9
Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	1,433	1,546
Consumer portfolio segment | Mortgage - Legacy | Performing financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	1,371	1,476
Consumer portfolio segment | Mortgage - Legacy | Nonperforming financial instruments
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 62	$ 70

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Finance Receivables and Loans, Net (Schedule of Pass And Criticized Credit Quality Indicators of Finance Receivables) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 130,055	$ 129,926	$ 125,327
Commercial portfolio segment | Commercial loan
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	40,844	42,686	$ 41,326
Commercial portfolio segment | Commercial loan | Pass
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	37,011	38,710
Commercial portfolio segment | Commercial loan | Criticized
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	3,833	3,976
Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	31,559	33,672
Commercial portfolio segment | Commercial and industrial automotive | Pass
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	28,774	30,799
Commercial portfolio segment | Commercial and industrial automotive | Criticized
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	2,785	2,873
Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	4,516	4,205
Commercial portfolio segment | Commercial and industrial other | Pass
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	3,711	3,373
Commercial portfolio segment | Commercial and industrial other | Criticized
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	805	832
Commercial portfolio segment | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	4,769	4,809
Commercial portfolio segment | Commercial real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	4,526	4,538
Commercial portfolio segment | Commercial real estate | Criticized
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 243	$ 271

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Finance Receivables and Loans, Net (Impaired Financing Receivables) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	$ 1,028	$ 1,105
Financing receivable, impaired, gross carrying value	997	1,075
Financing receivable, impaired, with no allowance	270	332
Financing receivable, impaired, with related allowance	727	743
Financing receivable, impaired, allowance for impaired loans	126	123
Consumer portfolio segment | Consumer loan
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	740	739
Financing receivable, impaired, gross carrying value	728	726
Financing receivable, impaired, with no allowance	170	176
Financing receivable, impaired, with related allowance	558	550
Financing receivable, impaired, allowance for impaired loans	68	67
Consumer portfolio segment | Automobile loan
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	509	503
Financing receivable, impaired, gross carrying value	501	495
Financing receivable, impaired, with no allowance	99	105
Financing receivable, impaired, with related allowance	402	390
Financing receivable, impaired, allowance for impaired loans	46	44
Consumer portfolio segment | Residential mortgage
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	231	236
Financing receivable, impaired, gross carrying value	227	231
Financing receivable, impaired, with no allowance	71	71
Financing receivable, impaired, with related allowance	156	160
Financing receivable, impaired, allowance for impaired loans	22	23
Consumer portfolio segment | Mortgage Finance
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	15	15
Financing receivable, impaired, gross carrying value	15	15
Financing receivable, impaired, with no allowance	6	6
Financing receivable, impaired, with related allowance	9	9
Financing receivable, impaired, allowance for impaired loans	1	1
Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	216	221
Financing receivable, impaired, gross carrying value	212	216
Financing receivable, impaired, with no allowance	65	65
Financing receivable, impaired, with related allowance	147	151
Financing receivable, impaired, allowance for impaired loans	21	22
Commercial portfolio segment | Commercial loan
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	288	366
Financing receivable, impaired, gross carrying value	269	349
Financing receivable, impaired, with no allowance	100	156
Financing receivable, impaired, with related allowance	169	193
Financing receivable, impaired, allowance for impaired loans	58	56
Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	138	203
Financing receivable, impaired, gross carrying value	138	203
Financing receivable, impaired, with no allowance	41	112
Financing receivable, impaired, with related allowance	97	91
Financing receivable, impaired, allowance for impaired loans	18	10
Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	144	159
Financing receivable, impaired, gross carrying value	125	142
Financing receivable, impaired, with no allowance	56	40
Financing receivable, impaired, with related allowance	69	102
Financing receivable, impaired, allowance for impaired loans	40	46
Commercial portfolio segment | Commercial real estate
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, unpaid principal balance	6	4
Financing receivable, impaired, gross carrying value	6	4
Financing receivable, impaired, with no allowance	3	4
Financing receivable, impaired, with related allowance	3	0
Financing receivable, impaired, allowance for impaired loans	$ 0	$ 0

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Finance Receivables and Loans, Net (Schedule of Average Balance and Interest Income of Impaired Finance Receivables) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	$ 1,033	$ 776
Financing receivable, impaired, interest income	12	10
Consumer portfolio segment | Consumer loan
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	728	674
Financing receivable, impaired, interest income	11	9
Consumer portfolio segment | Automobile loan
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	499	444
Financing receivable, impaired, interest income	8	7
Consumer portfolio segment | Residential mortgage
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	229	230
Financing receivable, impaired, interest income	3	2
Consumer portfolio segment | Mortgage Finance
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	15	9
Financing receivable, impaired, interest income	0	0
Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	214	221
Financing receivable, impaired, interest income	3	2
Commercial portfolio segment | Commercial loan
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	305	102
Financing receivable, impaired, interest income	1	1
Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	170	47
Financing receivable, impaired, interest income	1	1
Commercial portfolio segment | Commercial and industrial other
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	130	52
Financing receivable, impaired, interest income	0	0
Commercial portfolio segment | Commercial real estate
Financing Receivable, Impaired [Line Items]
Financing receivable, impaired, average balance	5	3
Financing receivable, impaired, interest income	$ 0	$ 0

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Finance Receivables and Loans, Net (Troubled Debt Restructurings) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, gross carrying value	$ 837		$ 812
Loans and leases receivable, impaired, commitment to lend	$ 13		$ 4
Financing receivable, modifications, number of loans	7,454	7,105
Financing receivable, modifications, pre-modification gross carrying value	$ 173	$ 139
Financing receivable, modifications, post-modification gross carrying value	$ 155	$ 120
Consumer portfolio segment | Consumer loan
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	7,448	7,105
Financing receivable, modifications, pre-modification gross carrying value	$ 132	$ 139
Financing receivable, modifications, post-modification gross carrying value	$ 114	$ 120
Consumer portfolio segment | Automobile loan
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	7,427	7,042
Financing receivable, modifications, pre-modification gross carrying value	$ 129	$ 128
Financing receivable, modifications, post-modification gross carrying value	$ 111	$ 110
Consumer portfolio segment | Residential mortgage
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	21	63
Financing receivable, modifications, pre-modification gross carrying value	$ 3	$ 11
Financing receivable, modifications, post-modification gross carrying value	$ 3	$ 10
Consumer portfolio segment | Mortgage Finance
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	1	1
Financing receivable, modifications, pre-modification gross carrying value	$ 0	$ 1
Financing receivable, modifications, post-modification gross carrying value	$ 0	$ 1
Consumer portfolio segment | Mortgage - Legacy
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	20	62
Financing receivable, modifications, pre-modification gross carrying value	$ 3	$ 10
Financing receivable, modifications, post-modification gross carrying value	$ 3	$ 9
Commercial portfolio segment | Commercial and industrial automotive
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	6	0
Financing receivable, modifications, pre-modification gross carrying value	$ 41	$ 0
Financing receivable, modifications, post-modification gross carrying value	$ 41	$ 0
Commercial portfolio segment | Commercial loan
Financing Receivable, Modifications [Line Items]
Financing receivable, modifications, number of loans	6	0
Financing receivable, modifications, pre-modification gross carrying value	$ 41	$ 0
Financing receivable, modifications, post-modification gross carrying value	$ 41	$ 0

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Finance Receivables and Loans, Net (Finance receivables and loans redefaulted during the period) (Details) - Consumer portfolio segment $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Consumer loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, modifications, subsequent default, number of loans	2,209	2,326
Financing receivable, modifications, subsequent default, gross carrying value	$ 26	$ 28
Financing receivables, impaired, troubled debt restructuring, charge-off amount	$ 16	$ 18
Automobile loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, modifications, subsequent default, number of loans	2,209	2,326
Financing receivable, modifications, subsequent default, gross carrying value	$ 26	$ 28
Financing receivables, impaired, troubled debt restructuring, charge-off amount	$ 16	$ 18

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Leasing (Investments In Operating Leases) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Jan. 01, 2019
Operating Leased Assets [Line Items]
Lessee, operating lease, remaining lease term, minimum	6 months
Lessee, operating lease, remaining lease term, maximum	13 years
Lessee, operating lease, option to extend, minimum	1 year
Lessee, operating lease, option to extend, maximum	15 years
Lessee, operating lease, option to terminate, minimum	2 years
Lessee, operating lease, option to terminate, maximum	5 years
Lessee, operating lease, noncancellable lease term	367 days
Lessee, operating lease, lease extension, maximum	48 months
Operating Lease, Right-of-Use Asset	$ 177
Operating Lease, Liability	206
Cash paid for amounts included in the measurement of lease liabilities	$ 12
Operating lease, weighted-average remaining lease term	7 years
Operating lease, weighted average discount rate	2.98%
Leasing Arrangement [Member]
Operating Leased Assets [Line Items]
Operating Lease, Right-of-Use Asset	$ 27
Accounting Standards Update 2016-02
Operating Leased Assets [Line Items]
Operating Lease, Right-of-Use Asset		$ 161
Operating Lease, Liability		$ 190

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Leasing Leasing (Lessee, Operating Lease, Liability, Maturity) (Details) $ in Millions	Mar. 31, 2019 USD ($)
Operating Lease Liabilities, Payments Due [Abstract]
Lessee, operating lease, payments due next twelve months	$ 36
Lessee, operating lease, payments due year two	46
Lessee, operating lease, payments due year three	36
Lessee, operating lease, payments due year four	24
Lessee, operating lease, payments due year five	16
Lessee, operating lease, payments due after year five	71
Lessee, Operating Lease, Liability, Payments, Due	229
Difference between undiscounted cash flows and discounted cash flows	(23)
Operating Lease, Liability	206
Lessee, Operating Lease, Lease Not yet Commenced, Undiscounted Future Lease Payments	$ 290
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	15 years

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Leasing Leasing (Schedule of Future Minimum Rental Payments for Operating Leases) (Details) $ in Millions	Dec. 31, 2018 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating leases, future minimum payments due, next twelve months	$ 48
Operating leases, future minimum payments, due in two years	47
Operating leases, future minimum payments, due in three years	46
Operating leases, future minimum payments, due in four years	37
Operating leases, future minimum payments, due in five years	31
Operating leases, future minimum payments, due thereafter	294
Total minimum payments required	$ 503

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Leasing Leasing (Lease, Cost) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Lease, Cost [Abstract]
Operating lease expense	$ 11	$ 10
Variable lease expense	2	2
Total lease expense, net	$ 13	$ 12

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Leasing Leasing (Schedule of Property Subject to or Available for Operating Lease) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Property Subject to or Available for Operating Lease, Net [Abstract]
Operating leases with a residual value guarantee	$ 394
Lessor, operating lease, lessee option to purchase underlying asset, minimum lease term	24 months
Residual value guarantee	15.00%
Vehicles available for operating lease, gross	$ 9,903	$ 9,995
Vehicles available for operating lease, accumulated depreciation	(1,564)	(1,578)
Investment in operating leases, net	$ 8,339	$ 8,417
Lessor, operating lease, lessee option to purchase underlying asset, maximum lease term	60 months

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Leasing Leasing (Lessor, Operating Lease, Payments to be Received, Maturity) (Details) $ in Millions	Mar. 31, 2019 USD ($)
Operating Leases, Future Minimum Payments Receivable [Abstract]
Operating lease, future minimum payments receivable, current	$ 1,024
Operating leases, future minimum payments receivable, in two years	933
Operating leases, future minimum payments receivable, in three years	402
Operating leases, future minimum payments receivable, in four years	57
Operating leases, future minimum payments receivable, in five years	5
Operating leases, future minimum payments receivable, thereafter	0
Total lease payments from operating leases	$ 2,421

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Leasing Leasing (Depreciation Expense on Operating Lease Assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Leases, Operating [Abstract]
Operating lease revenue	$ 361	$ 382
Depreciation expense on operating lease assets	261	291
Remarketing (gains) and losses, net	(15)	(18)
Net depreciation expense on operating lease assets	$ 246	$ 273

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Leasing Leasing (Sales-type and Direct Financing Leases, Lease Receivable, Maturity) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Sales-type and Direct Financing Leases, Lease Receivable, Fiscal Year Maturity [Abstract]
Direct financing lease, net investment in lease	$ 481		$ 439
Direct financing lease, present value of lease payments recorded as lease receivable	465		425
Direct financing lease, unguaranteed residual asset	16		$ 14
Direct financing lease, interest income	6	$ 6
Direct financing leases, payments to be received, remainder of fiscal year	110
Direct financing leases, payments to be received, two years	139
Direct financing leases, payments to be received, three years	134
Direct financing leases, payments to be received, four years	67
Direct financing leases, payments to be received, five years	38
Direct financing leases, payments to be received, thereafter	29
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received	517
Direct financing leases, lease receivable, difference between undiscounted cash flows and discounted cash flows	$ (52)

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Securitizations and Variable Interest Entities (Schedule of Variable Interest Entities) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Variable Interest Entity [Line Items]
Securitization or asset-backed financing arrangement, financial asset for which transfer is accounted as sale, gain on sale	$ 0	$ 0
Variable interest entity, assets deconsolidated	(957)		$ (1,235)
Variable interest entity, carrying value of assets for which we have continuing involvement	26,751		28,195
Variable interest entity, carrying value of liabilities for which we have continuing involvement	10,120		10,845
Variable interest entity, maximum loss exposure	2,110		2,334
Commercial portfolio segment
Variable Interest Entity [Line Items]
Variable interest entity, nonconsolidated, carrying amount, assets	867		806
Variable interest entity, nonconsolidated, carrying amount, liabilities	343		326
Variable interest entity, assets deconsolidated	0		0
Variable interest entity, maximum loss exposure	1,115		1,054
Automobile loan | Consumer portfolio segment
Variable Interest Entity [Line Items]
Variable interest entity, consolidated, carrying amount, assets	16,226		16,255
Variable interest entity, consolidated, carrying amount, liabilities	6,480		6,573
Variable interest entity, nonconsolidated, carrying amount, assets	38		45
Variable interest entity, nonconsolidated, carrying amount, liabilities	0		0
Variable interest entity, assets deconsolidated	(957)		(1,235)
Variable interest entity, maximum loss exposure	995		1,280
Automobile loan | Consumer portfolio segment | Held-to-maturity securities
Variable Interest Entity [Line Items]
Variable interest entity, consolidated, carrying amount, assets	36		43
Automobile loan | Consumer portfolio segment | Other assets
Variable Interest Entity [Line Items]
Variable interest entity, consolidated, carrying amount, assets	2		2
Automobile loan | Commercial portfolio segment
Variable Interest Entity [Line Items]
Variable interest entity, consolidated, carrying amount, assets	9,620		11,089
Variable interest entity, consolidated, carrying amount, liabilities	3,297		3,946
Unencumbered | Automobile loan | Consumer portfolio segment
Variable Interest Entity [Line Items]
Variable interest entity, consolidated, carrying amount, assets	8,400		8,400
Variable interest entity, consolidated, carrying amount, liabilities	$ 24		$ 25

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Securitizations and Variable Interest Entities (Schedule of Cash Flow Received from and Paid to Nonconsolidated Securitization Entities) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flow Received and Paid to Nonconsolidated Securitization Entities [Line Items]
Cash flows between transferor and transferee, disbursement for repurchases during the period	$ (1)
Consumer portfolio segment | Automobile loan
Cash Flow Received and Paid to Nonconsolidated Securitization Entities [Line Items]
Cash flows between transferor and transferee, cash flows received on retained interests in securitization entities	7	$ 5
Cash flows between transferor and transferee, servicing fees	$ 3	5
Cash flows between transferor and transferee, disbursement for repurchases during the period		$ (1)

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Securitizations and Variable Interest Entities (Schedule of Quantitative Information and Net Credit Losses about Securitized and Other Financial Assets Managed Together) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Loans managed and securitized, principal amount outstanding	$ 1,460		$ 1,869
Loans managed and securitized, delinquent amount at end of period	10		16
Loans managed and securitized, net credit losses	2	$ 4
Off-balance sheet loans | Consumer portfolio segment | Automobile loan
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Loans managed and securitized, principal amount outstanding	957		1,235
Loans managed and securitized, delinquent amount at end of period	8		13
Loans managed and securitized, net credit losses	2	3
Whole-loan sales
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Loans managed and securitized, principal amount outstanding	503		634
Loans managed and securitized, delinquent amount at end of period	2		$ 3
Loans managed and securitized, net credit losses	$ 0	$ 1

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Other Assets (Schedule of Other Assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Other Assets [Abstract]
Property and equipment at cost	$ 1,286	$ 1,250
Accumulated depreciation, property and equipment	(708)	(686)
Property and equipment, net	578	564
Nonmarketable equity securities	1,240	1,410
Restricted cash collections for securitization trusts	838	965
Investments in qualified affordable housing projects	687	649
Accrued interest, late fees, and rent receivables	624	599
Equity method investments	289	262
Other accounts receivable	269	203
Goodwill	240	240
Deferred tax assets, net	137	317
Restricted cash and cash equivalents	109	124
Derivative contracts in a receivable position, fair value	22	41
Cash collateral placed with counterparties	20	26
Other assets, other	940	753
Total other assets	5,993	6,153
Federal Home Loan Bank stock	732	903
Federal Reserve Bank stock	448	448
Equity securities without a readily determinable fair value	60	59
Impairment related to equity securities without a readily determinable fair value	3
Investments in qualified affordable housing projects, unfunded commitment	336	319
Goodwill [Line Items]
Goodwill	240	240
Corporate and Other
Other Assets [Abstract]
Goodwill	193	193
Goodwill [Line Items]
Goodwill	193	193
Insurance operations
Other Assets [Abstract]
Goodwill	27	27
Goodwill [Line Items]
Goodwill	27	27
Automotive Finance operations
Other Assets [Abstract]
Goodwill	20	20
Goodwill [Line Items]
Goodwill	$ 20	$ 20

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Deposit Liabilities (Schedule of Deposit Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Deposits [Abstract]
Noninterest-bearing deposits	$ 141	$ 142
Interest-bearing Deposit Liabilities, by Component [Abstract]
Interest-bearing deposits, savings and money-market checking accounts	60,258	56,050
Interest-bearing deposits, certificates of deposits	52,899	49,985
Interest-bearing deposits, other	1	1
Total deposit liabilities	113,299	106,178
Certificates of deposit, $100,000 or more	22,100	21,000
Certificates of deposit, in excess of $250,000 federal insurance limit	$ 6,600	$ 6,100

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Debt (Schedule of Short-term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Short-term Debt [Line Items]
Demand notes	$ 2,486	$ 2,477
Federal Home Loan Bank, advances	2,775	6,825
Securities sold under agreements to repurchase	854	685
Total short-term borrowings	6,115	9,987
Non-derivative cash collateral placed with counterparties associated with repurchase agreements		0
Non-derivative cash collateral received from counterparties associated with repurchase agreements	8	8
Non-derivative noncash collateral received from counterparties associated with repurchase agreements	3	4
Unsecured debt
Short-term Debt [Line Items]
Demand notes	2,486	2,477
Federal Home Loan Bank, advances	0	0
Securities sold under agreements to repurchase	0	0
Total short-term borrowings	2,486	2,477
Secured debt
Short-term Debt [Line Items]
Demand notes	0	0
Federal Home Loan Bank, advances	2,775	6,825
Securities sold under agreements to repurchase	854	685
Total short-term borrowings	3,629	$ 7,510
Maturity within 30 days | Secured debt
Short-term Debt [Line Items]
Financial instruments sold under agreements to repurchase	513
Maturity within 31 to 60 days | Secured debt
Short-term Debt [Line Items]
Financial instruments sold under agreements to repurchase	268
Maturity within 61 to 90 days | Secured debt
Short-term Debt [Line Items]
Financial instruments sold under agreements to repurchase	73
US Treasury | Secured debt
Short-term Debt [Line Items]
Financial instruments sold under agreements to repurchase	448
Agency mortgage-backed residential | Secured debt
Short-term Debt [Line Items]
Financial instruments sold under agreements to repurchase	$ 406

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Debt (Long-term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt, due within one year	$ 9,578	$ 8,976
Long-term debt, due after one year	31,912	35,217
Total long-term debt	41,490	44,193
Trust preferred securities	2,600	2,600
Secured debt	33,781	39,596
Unsecured debt
Debt Instrument [Line Items]
Long-term debt, due within one year	2,630	1,663
Long-term debt, due after one year	8,708	10,444
Total long-term debt	11,338	12,107
Secured debt
Debt Instrument [Line Items]
Long-term debt, due within one year	6,948	7,313
Long-term debt, due after one year	23,204	24,773
Total long-term debt	30,152	32,086
Federal Home Loan Bank advances
Debt Instrument [Line Items]
Secured debt	$ 14,700	$ 14,900

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Debt (Scheduled Remaining Maturity of Long-term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt, maturities, repayments of principal in next 12 months	$ 5,884
Long-term debt, maturities, repayments of principal in year two	9,126
Long-term debt, maturities, repayments of principal in year three	10,837
Long-term debt, maturities, repayments of principal in year four	7,034
Long-term debt, maturities, repayments of principal in year five	1,192
Long-term debt, maturities, repayments of principal after year five	7,417
Total long-term debt	41,490	$ 44,193
Unsecured debt
Debt Instrument [Line Items]
Long-term debt, maturities, repayments of principal in next 12 months	886
Long-term debt, maturities, repayments of principal in year two	2,217
Long-term debt, maturities, repayments of principal in year three	652
Long-term debt, maturities, repayments of principal in year four	1,026
Long-term debt, maturities, repayments of principal in year five	(44)
Long-term debt, maturities, repayments of principal after year five	6,601
Total long-term debt	11,338	12,107
Secured debt
Debt Instrument [Line Items]
Total long-term debt	30,152	$ 32,086
Long-term debt | Unsecured debt
Debt Instrument [Line Items]
Long-term debt, maturities, repayments of principal in next 12 months	917
Long-term debt, maturities, repayments of principal in year two	2,258
Long-term debt, maturities, repayments of principal in year three	697
Long-term debt, maturities, repayments of principal in year four	1,075
Long-term debt, maturities, repayments of principal in year five	12
Long-term debt, maturities, repayments of principal after year five	7,504
Total long-term debt	12,463
Long-term debt | Secured debt
Debt Instrument [Line Items]
Long-term debt, maturities, repayments of principal in next 12 months	4,998
Long-term debt, maturities, repayments of principal in year two	6,909
Long-term debt, maturities, repayments of principal in year three	10,185
Long-term debt, maturities, repayments of principal in year four	6,008
Long-term debt, maturities, repayments of principal in year five	1,236
Long-term debt, maturities, repayments of principal after year five	816
Total long-term debt	30,152
Original issue discount | Unsecured debt
Debt Instrument [Line Items]
Debt instrument, unamortized discount, current	(31)
Debt instrument, unamortized discount	(1,125)
Original issue discount | Unsecured debt | Debt instrument, redemption, period two
Debt Instrument [Line Items]
Debt instrument, unamortized discount, noncurrent	(41)
Original issue discount | Unsecured debt | Debt instrument, redemption, period three
Debt Instrument [Line Items]
Debt instrument, unamortized discount, noncurrent	(45)
Original issue discount | Unsecured debt | Debt Instrument, redemption, period four
Debt Instrument [Line Items]
Debt instrument, unamortized discount, noncurrent	(49)
Original issue discount | Unsecured debt | Debt Instrument, redemption, period five
Debt Instrument [Line Items]
Debt instrument, unamortized discount, noncurrent	(56)
Original issue discount | Unsecured debt | Debt instrument, redemption, period six
Debt Instrument [Line Items]
Debt instrument, unamortized discount, noncurrent	$ (903)

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Debt (Pledged Assets Related to Secured Borrowings and Repurchase Agreement) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Pledged Assets related to secured borrowings [Line Items]
Pledged financial instruments, investment securities	$ 5,243	$ 10,280
Pledged assets, mortgage assets held-for-investment and lending receivables	17,447	16,498
Pledged assets,operating leases	132	170
Pledged assets, restricted as collateral	52,973	59,526
Secured debt	33,781	39,596
Ally Bank
Pledged Assets related to secured borrowings [Line Items]
Pledged financial instruments, investment securities	4,357	9,564
Pledged assets, mortgage assets held-for-investment and lending receivables	17,447	16,498
Pledged assets,operating leases	0	0
Pledged assets, restricted as collateral	45,850	51,340
Secured debt	27,233	32,072
Pledged assets for Federal Home Loan Bank | Ally Bank
Pledged Assets related to secured borrowings [Line Items]
Pledged assets, restricted as collateral	26,600	30,800
Pledged assets for Federal Reserve Bank | Ally Bank
Pledged Assets related to secured borrowings [Line Items]
Pledged assets, restricted as collateral	2,400	2,400
Short-term borrowings
Pledged Assets related to secured borrowings [Line Items]
Secured debt	3,600	7,500
Consumer portfolio segment | Automobile loan
Pledged Assets related to secured borrowings [Line Items]
Pledged assets, finance receivables	15,882	17,015
Consumer portfolio segment | Automobile loan | Ally Bank
Pledged Assets related to secured borrowings [Line Items]
Pledged assets, finance receivables	9,777	9,715
Commercial portfolio segment | Automobile loan
Pledged Assets related to secured borrowings [Line Items]
Pledged assets, finance receivables	14,269	15,563
Commercial portfolio segment | Automobile loan | Ally Bank
Pledged Assets related to secured borrowings [Line Items]
Pledged assets, finance receivables	$ 14,269	$ 15,563

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Debt (Narrative - Trust Preferred Securities) (Details) $ / shares in Units, $ in Billions	Mar. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($)
Narrative - Trust Preferred Securities [Line Items]
Trust preferred securities	$ 2.6	$ 2.6
Trust preferred securities, fixed rate, floating rate, percentage	8.125%
Preferred stock, liquidation amount per share | $ / shares	$ 25
Distribution payable in addition to annual rate equal to three-month London interbank offer rate, percentage	5.785%
Period of consecutive quarters for which Ally has right to defer interest payments, maximum	20
Redemption price, percentage of principal debt, plus accrued and unpaid interest	100.00%
Fixed income interest rate
Narrative - Trust Preferred Securities [Line Items]
Trust preferred securities	$ 2.6	$ 2.6

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Debt (Committed Funding Facilities) (Details) - Committed funding facilities - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term line of credit	$ 5,716	$ 6,665
Line of credit facility, remaining borrowing capacity	1,834	1,935
Line of credit facility, maximum borrowing capacity	7,550	8,600
Ally Bank | Secured debt
Debt Instrument [Line Items]
Long-term line of credit	3,050	3,500
Line of credit facility, remaining borrowing capacity	700	1,300
Line of credit facility, maximum borrowing capacity	3,750	4,800
Secured funding facilities, revolving, one year or greater
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	6,000
Nonbank funding | Secured debt
Debt Instrument [Line Items]
Long-term line of credit	2,666	3,165
Line of credit facility, remaining borrowing capacity	1,134	635
Line of credit facility, maximum borrowing capacity	$ 3,800	$ 3,800

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Accrued Expenses and Other Liabilities (Schedule of Accrued Expenses and Other Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Accounts Payable and Accrued Liabilities [Abstract]
Accounts payable	$ 347	$ 516
Unfunded commitments for investment in qualified affordable housing projects	336	319
Employee compensation and benefits	165	255
Reserves for insurance losses and loss adjustment expenses	135	134	$ 157	$ 140
Deferred revenue	28	27
Cash collateral received from counterparties	27	41
Fair value of derivative contracts in a payable position	21	37
Other liabilities	663	347
Total accrued expenses and other liabilities	$ 1,722	$ 1,676

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Accumulated Other Comprehensive Loss (Rollforward) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax [Abstract]
Accumulated other comprehensive income (loss), investment securities, adjustment, after tax	$ (158)	$ (524)	$ (473)	$ (481)	$ (186)	$ (173)
Other comprehensive income (loss), investment securities, net change, after tax	315	(338)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), translation adjustment, net of tax	18	19	18	18	20	16
Other comprehensive income (loss), foreign currency translation adjustment, net of tax	0	(1)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, net of tax	11	25	19	19	11	11
Other comprehensive income (loss), cash flow hedges, net change, after tax	(8)	14
Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), defined benefit pension plans, after tax	(96)	(98)	(95)	(95)	(95)	(89)
Other comprehensive (income) loss, defined benefit plan, after reclassification adjustment, after tax	(1)	(3)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Total accumulated other comprehensive loss, net of tax	225	578	531	$ 539	250	$ 235
Other comprehensive income (loss), net of tax	$ 306	$ (328)
Accounting Standards Update 2016-01
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax [Abstract]
Accumulated other comprehensive income (loss), investment securities, adjustment, after tax					27
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), translation adjustment, net of tax					0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, net of tax					0
Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), defined benefit pension plans, after tax					0
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Total accumulated other comprehensive loss, net of tax					(27)
Accounting Standards Update 2018-02
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax [Abstract]
Accumulated other comprehensive income (loss), investment securities, adjustment, after tax					(40)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), translation adjustment, net of tax					4
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, net of tax					0
Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), defined benefit pension plans, after tax					(6)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Total accumulated other comprehensive loss, net of tax					$ 42
Accounting Standards Update 2017-08
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax [Abstract]
Accumulated other comprehensive income (loss), investment securities, adjustment, after tax			8
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), translation adjustment, net of tax			0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, net of tax			0
Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax [Abstract]
Accumulated other comprehensive income (loss), defined benefit pension plans, after tax			0
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Total accumulated other comprehensive loss, net of tax			$ (8)

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Accumulated Other Comprehensive Loss (Before and After Tax) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax [Abstract]
Other compehrensive income (loss), investment securities, net unrealized gains (losses) arising during the period, before tax	$ 421	$ (436)
Other compehrensive income (loss), investement securities, net realized gains reclassified to income from continuing operations, before tax	9	6
Other comprehensive income, investment securities, net change, before tax	412	(442)
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax [Abstract]
Other comprehensive income (loss), investment securities, unrealized holding gains (losses) arising during the period, tax	(99)	103
Other comprehensive income (loss), investment securities, net realized gains reclassified to income from continuing operations, tax effect	(2)	(1)
Other comprehensive income (loss), investment securities, net change, tax effect	(97)	104
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax [Abstract]
Other comprehensive income (loss), investment securities, net unrealized gains (losses) arising during the period, after tax	322	(333)
Other comprehensive income (loss), investment securities, net realized gains reclassified to income from continuing operations, after tax	7	5
Other comprehensive income (loss), investment securities, net change, after tax	315	(338)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract]
Other comprehensive income (loss), translation adjustments, net change, before tax	2	(5)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract]
Other comprehensive income (loss), translation adjustments, net unrealized gains (losses) arising during the period, tax effect	1	(1)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Other comprehensive income (loss), translation adjustments, net unrealized gains (losses) arising during the period, after tax	1	(4)
Other Comprehensive Income (Loss), Net investment hedges, before Tax [Abstract]
Other comprehensive income (loss), net investment hedges, unrealized gains (losses) arising during the period, before tax	(2)	4
Other Comprehensive Income (Loss), Net investment hedges, Tax [Abstract]
Other comprehensive income (loss), net investment hedges, net unrealized gains arising during the period, tax effect	1	(1)
Other Comprehensive Income (Loss), Net investment hedges, Net of Tax [Abstract]
Net investment hedges, unrealized gains (losses) arising during the period, after tax	(1)	3
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract]
Other comprehensive income (loss), cash flow hedges, net unrealized gains (losses) arising during the period before tax	(5)	18
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	5
Other comprehensive income (loss), cash flow hedge, gain (loss), after reclassification, before tax	(10)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax [Abstract]
Other comprehensive income (loss), cash flow hedges, net unrealized gains arising during the period, tax	1	(4)
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, tax	(1)
Other comprehensive income (loss), cash flow hedge, gain (loss), after reclassification, tax	2
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Other comprehensive income (loss), cash flow hedges, net unrealized gains (losses) arising during the period	(4)	14
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, after tax	4
Other comprehensive income (loss), cash flow hedge, gain (loss), after reclassification and tax	(8)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax [Abstract]
Other comprehensive income (loss), defined benefit pension plans, net unrealized gains (losses) arising during period, before tax	(1)	(3)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Tax [Abstract]
Other comprehensive income (loss), defined benefit pension plans, net unrealized gains (losses) arising during period, tax	0	0
Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax [Abstract]
Other comprehensive (income), defined benefit pension plans, net unrealized gains (losses) arising during period, after tax	(1)	(3)
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before tax	401	(428)
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss), tax effect	(95)	100
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), net of tax	$ 306	$ (328)

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Earnings per Common Share (Schedule of Basic and Diluted Earnings per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income from continuing operations attributable to common shareholders	$ 375	$ 252
Income (loss) from discontinued operations, net of tax	(1)	(2)
Net income attributable to common stockholders	$ 374	$ 250
Basic weighted-average common shares outstanding	404,129	436,213
Diluted weighted-average common shares outstanding	405,959	438,931
Earnings Per Share, Basic [Abstract]
Net income from continuing operations, basic earnings per common share	$ 0.93	$ 0.58
Income (loss) from discontinued operations, net of tax, basic earnings per common share	0.00	(0.01)
Net income, basic earnings per common share	0.93	0.57
Earnings Per Share, Diluted [Abstract]
Net income from continuing operations, diluted earnings per common share	0.92	0.57
Income (loss) from discontinued operations, net of tax, diluted earnings per common share	0.00	(0.01)
Net income, diluted earnings per common share	$ 0.92	$ 0.57

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Regulatory Capital and Other Regulatory Matters (Schedule of Regulatory Capital Amount and Ratios) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier one capital ratio	4.50%
Tier one capital to risk-weighted assets, required minimum	6.00%
Capital to risk-weighted assets, required minimum	8.00%
Capital conservation buffer	2.50%
Tier one leverage ratio, minimum	4.00%
BHC enhanced prudential standards, minimum	$ 100,000
BHC enhanced prudential standards, maximum	250,000
BHC stress test threshold	$ 50,000
BHC capital requirement, dividend payout ratio	30.00%
Minimum capital conservation buffer	2.50%	1.875%
Parent company
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier one capital	$ 13,603	$ 13,397
Common equity tier one capital ratio	9.33%	9.14%
Tier one capital to risk-weighted assets, amount	$ 16,035	$ 15,831
Tier one capital to risk-weighted assets, ratio	10.99%	10.80%
Capital to risk-weighted assets, amount	$ 18,292	$ 18,046
Capital to risk-weighted assets, ratio	12.54%	12.31%
Tier one leverage to adjusted quarterly average assets, amount	$ 16,035	$ 15,831
Tier one leverage to adjusted quarterly average assets, ratio	9.02%	9.00%
Subsidiaries
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier one capital	$ 16,609	$ 16,552
Common equity tier one capital ratio	12.55%	12.61%
Tier one capital to risk-weighted assets, amount	$ 16,609	$ 16,552
Tier one capital to risk-weighted assets, ratio	12.55%	12.61%
Capital to risk-weighted assets, amount	$ 17,802	$ 17,620
Capital to risk-weighted assets, ratio	13.46%	13.42%
Tier one leverage to adjusted quarterly average assets, amount	$ 16,609	$ 16,552
Tier one leverage to adjusted quarterly average assets, ratio	10.45%	10.69%
Required minimum | Parent company
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier one capital ratio	4.50%
Tier one capital to risk-weighted assets, required minimum	6.00%
Capital to risk-weighted assets, required minimum	8.00%
Tier one leverage ratio, minimum	4.00%
Required minimum | Subsidiaries
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier one capital ratio	4.50%
Tier one capital to risk-weighted assets, required minimum	6.00%
Capital to risk-weighted assets, required minimum	8.00%
Tier one leverage ratio, minimum	4.00%
Well-capitalized minimum | Parent company
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier one capital to risk-weighted assets, well-capitalized minimum	6.00%
Capital to risk weighted assets, well-capitalzed minimum	10.00%
Well-capitalized minimum | Subsidiaries
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier one capital ratio	6.50%
Tier one capital to risk-weighted assets, well-capitalized minimum	8.00%
Capital to risk weighted assets, well-capitalzed minimum	10.00%
Tier one leverage to adjusted quarterly average assets, well-capitalized minimum	5.00%

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Regulatory Capital and Other Regulatory Matters (Common Share Repurchases) (Details) - USD ($) $ / shares in Units, $ in Millions	Apr. 14, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Accelerated Share Repurchases [Line Items]
Treasury stock, common, amount		$ 211	$ 309	$ 250	$ 195	$ 185
Treasury stock, common, shares		8,113,000	12,121,000	9,194,000	7,280,000	6,473,000
Common stock, shares outstanding		399,760,804	404,899,599
Dividends declared, amount per common share		$ 0.17	$ 0.15	$ 0.15	$ 0.13	$ 0.13
Beginning of period
Accelerated Share Repurchases [Line Items]
Common stock, shares outstanding			404,900,000	416,591,000	425,752,000	432,691,000	437,054,000
End of period
Accelerated Share Repurchases [Line Items]
Common stock, shares outstanding		399,761,000	404,900,000	416,591,000	425,752,000	432,691,000
Subsequent event
Accelerated Share Repurchases [Line Items]
Dividends declared, amount per common share	$ 0.17
Current period
Accelerated Share Repurchases [Line Items]
Stock repurchase program, authorized amount		$ 1,000
Future period
Accelerated Share Repurchases [Line Items]
Stock repurchase program, authorized amount		$ 1,250
Increase (decrease) in share repurchase program		25.00%

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Derivative Instruments and Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Cash collateral placed with counterparties	$ 19	$ 26
Noncash collateral placed with counterparties	99	105
Cash collateral received from counterparties	$ 12	30
Noncash collateral received from counterparties		$ 3

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Derivative Instruments and Hedging Activities (Fair Value Amounts of Derivative Instruments Reported on our Condensed Consolidated Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	$ 22	$ 41
Fair value of derivative contracts in a payable position	21	37
Derivative, notional amount	24,716	38,066
Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	1	1
Fair value of derivative contracts in a payable position	1	0
Derivative, notional amount	12,319	24,339
Not designated as hedging instrument | Other trading
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	21	40
Fair value of derivative contracts in a payable position	20	37
Derivative, notional amount	12,397	13,727
Interest rate swaps | Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	0
Fair value of derivative contracts in a payable position	0	0
Derivative, notional amount	12,085	24,203
Foreign exchange forwards | Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	1
Fair value of derivative contracts in a payable position	1	0
Derivative, notional amount	134	136
Interest rate contracts | Designated as hedging instrument | Purchased options
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	1	0
Fair value of derivative contracts in a payable position	0	0
Derivative, notional amount	100	0
Interest rate contracts | Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	21	37
Fair value of derivative contracts in a payable position	19	37
Derivative, notional amount	12,272	13,546
Interest rate contracts | Not designated as hedging instrument | Futures and forwards
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	0
Fair value of derivative contracts in a payable position	0	0
Derivative, notional amount	11	11
Interest rate contracts | Not designated as hedging instrument | Written options
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	2	0
Fair value of derivative contracts in a payable position	19	37
Derivative, notional amount	6,180	6,793
Interest rate contracts | Not designated as hedging instrument | Purchased options
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	19	37
Fair value of derivative contracts in a payable position	0	0
Derivative, notional amount	6,081	6,742
Foreign exchange contracts | Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	3
Fair value of derivative contracts in a payable position	0	0
Derivative, notional amount	124	181
Foreign exchange contracts | Not designated as hedging instrument | Futures and forwards
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	3
Fair value of derivative contracts in a payable position	0	0
Derivative, notional amount	124	181
Equity contract | Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	0
Fair value of derivative contracts in a payable position	1	0
Derivative, notional amount	1	0
Equity contract | Not designated as hedging instrument | Written options
Derivatives, Fair Value [Line Items]
Derivative contracts in a receivable position, fair value	0	0
Fair value of derivative contracts in a payable position	1	0
Derivative, notional amount	$ 1	$ 0

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Derivative Instruments and Hedging Activities (Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Long-term debt	$ 41,490	$ 44,193
Amortized cost basis of the closed portfolios used in hedging relationships	46	47
Hedged asset, last-of-layer, amount	9,600	21,400
Hedged liability, fair value hedge, cumulative increase (decrease)	5
Hedge basis adjustment, last-of-layer		19
Hedged asset, discontinued fair value hedge, last-of-layer amount	11,200
Carrying amount
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Available-for-sale debt securities	1,495	1,485
Finance receivables and loans, net	36,433	40,850
Long-term debt	12,263	13,001
Available-for-sale securities
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative basis adjustments for fair value hedges included in the carrying amount of hedged items	(10)	0
Hedged asset, last-of-layer, amount	28	28
Hedged asset, discontinued fair value hedge, cumulative increase (decrease)	0	0
Available-for-sale securities | Discontinued hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative basis adjustments for fair value hedges included in the carrying amount of hedged items	(8)	5
Finance receivables and loans, net
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative basis adjustments for fair value hedges included in the carrying amount of hedged items	(63)	(24)
Hedged asset, discontinued fair value hedge, cumulative increase (decrease)	65
Finance receivables and loans, net | Discontinued hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative basis adjustments for fair value hedges included in the carrying amount of hedged items	(68)	(5)
Long-term debt
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged liability, fair value hedge, cumulative increase (decrease)	66	67
Long-term debt | Discontinued hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged liability, fair value hedge, cumulative increase (decrease)	$ 66	$ 67

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Derivative Instruments and Hedging Activities (Statement of Gains and Losses on Derivative Instruments Reported in Statement of Comprehensive Income) (Details) - Not designated as hedging instrument - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax	$ (5)	$ 2
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest rate derivative instruments	(4)	2
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments	(1)	0
Gains on mortgage and automotive loans | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest rate derivative instruments	1	0
Other income | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest rate derivative instruments	(5)	2
Other income | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments	$ (1)	$ 0

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Derivative Instruments and Hedging Activities (Derivative Instruments Designated as Fair Value Hedges, Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Interest and fees on finance receivables and loans	$ 1,807	$ 1,543
Interest and dividends on investment securities and other earning assets	240	176
Interest on deposits	592	351
Interest on long-term debt	419	411
Designated as hedging instrument | Interest and fees on finance receivables and loans | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	0
Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	0
Designated as hedging instrument | interest on deposits [Member] | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	0
Designated as hedging instrument | Interest on long-term debt | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	1
Designated as hedging instrument | Unsecured debt | Interest and fees on finance receivables and loans | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Unsecured debt | Interest and dividends on investment securities and other earning assets | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Unsecured debt | interest on deposits [Member] | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Unsecured debt | Interest on long-term debt | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	36
Change in unrealized gain (loss) on fair value hedging instruments	0	(35)
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | Interest and fees on finance receivables and loans | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | Interest and dividends on investment securities and other earning assets | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | interest on deposits [Member] | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | Interest on long-term debt | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	33
Change in unrealized gain (loss) on fair value hedging instruments	0	(33)
Designated as hedging instrument | Available-for-sale securities | Interest and fees on finance receivables and loans | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Available-for-sale securities | Interest and dividends on investment securities and other earning assets | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	10	(3)
Change in unrealized gain (loss) on fair value hedging instruments	(10)	3
Designated as hedging instrument | Available-for-sale securities | interest on deposits [Member] | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Available-for-sale securities | Interest on long-term debt | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Fixed-rate automotive loans | Interest and fees on finance receivables and loans | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	43	(45)
Change in unrealized gain (loss) on fair value hedging instruments	(43)	45
Designated as hedging instrument | Fixed-rate automotive loans | Interest and dividends on investment securities and other earning assets | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Fixed-rate automotive loans | interest on deposits [Member] | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Designated as hedging instrument | Fixed-rate automotive loans | Interest on long-term debt | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Change in unrealized gain (loss) on hedged item in fair value hedge	0	0
Change in unrealized gain (loss) on fair value hedging instruments	0	0
Deposit liabilities | Designated as hedging instrument | Interest and fees on finance receivables and loans | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	0	0
Deposit liabilities | Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	0	0
Deposit liabilities | Designated as hedging instrument | interest on deposits [Member] | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	1	0
Deposit liabilities | Designated as hedging instrument | Interest on long-term debt | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and fees on finance receivables and loans | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and fees on finance receivables and loans | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	0	0
Variable-rate borrowings | Designated as hedging instrument | interest on deposits [Member] | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	1	0
Variable-rate borrowings | Designated as hedging instrument | interest on deposits [Member] | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest on long-term debt | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	4	0
Variable-rate borrowings | Designated as hedging instrument | Interest on long-term debt | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cash flow hedge gain (loss) reclassified to earnings	$ 4	$ 0

XML

Derivative Instruments and Hedging Activities (Interest and Amortization on Derivative Instruments) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Interest and dividends on investment securities and other earning assets	$ 240	$ 176
Interest on long-term debt	419	411
Earnings on cash flow hedges to be recognized within twelve months	7
Designated as hedging instrument | Interest and fees on finance receivables and loans | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	0
Designated as hedging instrument | Interest and fees on finance receivables and loans | Amortization and interest | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	2	(11)
Designated as hedging instrument | Interest and fees on finance receivables and loans | Amortization and interest | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	0
Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	0
Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Amortization and interest | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	(1)
Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Amortization and interest | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	0
Designated as hedging instrument | Interest on long-term debt | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	1
Designated as hedging instrument | Interest on long-term debt | Amortization and interest | Fair value hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges	0	19
Designated as hedging instrument | Interest on long-term debt | Amortization and interest | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	1
Designated as hedging instrument | Unsecured debt | Interest and fees on finance receivables and loans | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	0	0
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Unsecured debt | Interest and dividends on investment securities and other earning assets | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	0	0
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Unsecured debt | Interest on long-term debt | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	6	15
Gain (loss) on interest for qualifying hedge	0	3
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | Interest and fees on finance receivables and loans | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	0	0
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | Interest and dividends on investment securities and other earning assets | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	0	0
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Federal Home Loan Bank certificates and obligations | Interest on long-term debt | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	(6)	(1)
Gain (loss) on interest for qualifying hedge	0	2
Designated as hedging instrument | Available-for-sale securities | Interest and fees on finance receivables and loans | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Available-for-sale securities | Interest and dividends on investment securities and other earning assets | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest for qualifying hedge	0	(1)
Designated as hedging instrument | Available-for-sale securities | Interest on long-term debt | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Fixed-rate automotive loans | Interest and fees on finance receivables and loans | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	(4)	(4)
Gain (loss) on interest for qualifying hedge	6	(7)
Designated as hedging instrument | Fixed-rate automotive loans | Interest and dividends on investment securities and other earning assets | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	0	0
Gain (loss) on interest for qualifying hedge	0	0
Designated as hedging instrument | Fixed-rate automotive loans | Interest on long-term debt | Amortization and interest | Fair value hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on amortization of deferred basis adjustments	0	0
Gain (loss) on interest for qualifying hedge	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and fees on finance receivables and loans | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and fees on finance receivables and loans | Amortization and interest | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest for qualifying hedge	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest and dividends on investment securities and other earning assets | Amortization and interest | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest for qualifying hedge	0	0
Variable-rate borrowings | Designated as hedging instrument | Interest on long-term debt | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedging relationships	4	0
Variable-rate borrowings | Designated as hedging instrument | Interest on long-term debt | Amortization and interest | Cash flow hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on interest for qualifying hedge	$ 0	$ 1

XML

Derivative Instruments and Hedging Activities (Derivative Instruments Used in Net Investment Hedge Accounting Relationships) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, amounts excluded from effectiveness testing, net	$ 0	$ 0
Derivatives used in net Investment hedge, gain (loss), reclassified to earnings, net of tax	0	0
Interest rate contracts | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in other comprehensive income (loss), cash flow hedge, interest rate contracts	(10)	18
Foreign exchange contracts | Net investment hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in other comprehensive income (loss), net investment hedge, foreign exchange contracts	$ (2)	$ 4

XML

Income Taxes Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Income tax expense from continuing operations	$ 111	$ 76

XML

Fair Value (Fair Value Measurements - Recurring Basis) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 536	$ 773
Available-for-sale securities	$ 27,630	$ 25,303
Investment in any one industry did not exceed percentage	15.00%	9.00%
Fair value, measurements, recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 27,630	$ 25,303
Derivative assets	22	41
Assets, fair value	28,207	26,129
Derivative liabilities	(21)	(37)
Liabilities, fair value	21	37
Fair value, measurements, recurring | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	(19)	(37)
Fair value, measurements, recurring | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	(1)
Fair value, measurements, recurring | Other contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	(1)
Fair value, measurements, recurring | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	536	773
Fair value, measurements, recurring | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,942	1,851
Fair value, measurements, recurring | US States and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	781	802
Fair value, measurements, recurring | Foreign government
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	172	145
Fair value, measurements, recurring | Agency mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	18,844	17,138
Fair value, measurements, recurring | Agency mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	320	3
Fair value, measurements, recurring | Mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	2,886	2,686
Fair value, measurements, recurring | Mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	723	714
Fair value, measurements, recurring | Asset-backed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	668	723
Fair value, measurements, recurring | Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,294	1,241
Fair value, measurements, recurring | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held-for-sale, fair value	15	8
Fair value, measurements, recurring | Retained interest
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retained interest, fair value	4	4
Fair value, measurements, recurring | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	22	37
Fair value, measurements, recurring | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		4
Fair value, measurements, recurring | Fair value, inputs, level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,948	1,857
Derivative assets	0	0
Assets, fair value	2,473	2,623
Derivative liabilities	(1)	0
Liabilities, fair value	1	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Other contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	(1)
Fair value, measurements, recurring | Fair value, inputs, level 1 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	525	766
Fair value, measurements, recurring | Fair value, inputs, level 1 | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,941	1,850
Fair value, measurements, recurring | Fair value, inputs, level 1 | US States and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Foreign government
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	7	7
Fair value, measurements, recurring | Fair value, inputs, level 1 | Agency mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Agency mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Asset-backed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held-for-sale, fair value	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Retained interest
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retained interest, fair value	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Fair value, measurements, recurring | Fair value, inputs, level 1 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		0
Fair value, measurements, recurring | Fair value, inputs, level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	25,682	23,446
Derivative assets	20	41
Assets, fair value	25,702	23,487
Derivative liabilities	(20)	(37)
Liabilities, fair value	20	37
Fair value, measurements, recurring | Fair value, inputs, level 2 | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	(19)	(37)
Fair value, measurements, recurring | Fair value, inputs, level 2 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	(1)
Fair value, measurements, recurring | Fair value, inputs, level 2 | Other contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0
Fair value, measurements, recurring | Fair value, inputs, level 2 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 2 | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1	1
Fair value, measurements, recurring | Fair value, inputs, level 2 | US States and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	781	802
Fair value, measurements, recurring | Fair value, inputs, level 2 | Foreign government
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	165	138
Fair value, measurements, recurring | Fair value, inputs, level 2 | Agency mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	18,844	17,138
Fair value, measurements, recurring | Fair value, inputs, level 2 | Agency mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	320	3
Fair value, measurements, recurring | Fair value, inputs, level 2 | Mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	2,886	2,686
Fair value, measurements, recurring | Fair value, inputs, level 2 | Mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	723	714
Fair value, measurements, recurring | Fair value, inputs, level 2 | Asset-backed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	668	723
Fair value, measurements, recurring | Fair value, inputs, level 2 | Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,294	1,241
Fair value, measurements, recurring | Fair value, inputs, level 2 | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held-for-sale, fair value	0	0
Fair value, measurements, recurring | Fair value, inputs, level 2 | Retained interest
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retained interest, fair value	0	0
Fair value, measurements, recurring | Fair value, inputs, level 2 | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	20	37
Fair value, measurements, recurring | Fair value, inputs, level 2 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		4
Fair value, measurements, recurring | Fair value, inputs, level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Derivative assets	2	0
Assets, fair value	32	19
Derivative liabilities	0	0
Liabilities, fair value	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Other contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	11	7
Fair value, measurements, recurring | Fair value, inputs, level 3 | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | US States and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Foreign government
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Agency mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Agency mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Mortgage-backed residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Mortgage-backed commercial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Asset-backed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held-for-sale, fair value	15	8
Fair value, measurements, recurring | Fair value, inputs, level 3 | Retained interest
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retained interest, fair value	4	4
Fair value, measurements, recurring | Fair value, inputs, level 3 | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 2	0
Fair value, measurements, recurring | Fair value, inputs, level 3 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		$ 0

XML

Fair Value (Fair Value Measurements - Reconciliation of Level 3 Assets And Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, measurement, recurring, asset value, beginning balance	$ 19	$ 38
Fair value, measurement, recurring, asset, gain (loss) included in earnings	7	(3)
Fair value, measurement, recurring, asset, gain (loss) included in other comprehensive income (loss)	0	0
Fair value, measurement, recurring, asset, purchases	90	59
Fair value, measurement, recurring, asset, sales	(84)	(66)
Fair value, measurement , recurring, asset, issuances	0	0
Fair value, measurement, recurring, asset, settlements	0	(3)
Fair value, measurement, recurring, asset value, ending balance	32	25
Fair value, assets, recurring, net unrealized gains (losses)	6	(5)
Fair value, assets measured on recurring basis, change in unrealized gain (loss) included in other comprehensive income	0
Equity securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, measurement, recurring, asset value, beginning balance	7	19
Fair value, measurement, recurring, asset, gain (loss) included in earnings	4	(4)
Fair value, measurement, recurring, asset, gain (loss) included in other comprehensive income (loss)	0	0
Fair value, measurement, recurring, asset, purchases	0	0
Fair value, measurement, recurring, asset, sales	0	0
Fair value, measurement , recurring, asset, issuances	0	0
Fair value, measurement, recurring, asset, settlements	0	(3)
Fair value, measurement, recurring, asset value, ending balance	11	12
Fair value, assets, recurring, net unrealized gains (losses)	4	(5)
Fair value, assets measured on recurring basis, change in unrealized gain (loss) included in other comprehensive income	0
Loans held-for-sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, measurement, recurring, asset value, beginning balance	8	13
Fair value, measurement, recurring, asset, gain (loss) included in earnings	1	1
Fair value, measurement, recurring, asset, gain (loss) included in other comprehensive income (loss)	0	0
Fair value, measurement, recurring, asset, purchases	90	59
Fair value, measurement, recurring, asset, sales	(84)	(66)
Fair value, measurement , recurring, asset, issuances	0	0
Fair value, measurement, recurring, asset, settlements	0	0
Fair value, measurement, recurring, asset value, ending balance	15	7
Fair value, assets, recurring, net unrealized gains (losses)	0	0
Fair value, assets measured on recurring basis, change in unrealized gain (loss) included in other comprehensive income	0
Retained interest
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, measurement, recurring, asset value, beginning balance	4	5
Fair value, measurement, recurring, asset, gain (loss) included in earnings	0	0
Fair value, measurement, recurring, asset, gain (loss) included in other comprehensive income (loss)	0	0
Fair value, measurement, recurring, asset, purchases	0	0
Fair value, measurement, recurring, asset, sales	0	0
Fair value, measurement , recurring, asset, issuances	0	0
Fair value, measurement, recurring, asset, settlements	0	0
Fair value, measurement, recurring, asset value, ending balance	4	5
Fair value, assets, recurring, net unrealized gains (losses)	0	0
Fair value, assets measured on recurring basis, change in unrealized gain (loss) included in other comprehensive income	0
Derivative
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, measurement, recurring, asset value, beginning balance	0	1
Fair value, measurement, recurring, asset, gain (loss) included in earnings	2	0
Fair value, measurement, recurring, asset, gain (loss) included in other comprehensive income (loss)	0	0
Fair value, measurement, recurring, asset, purchases	0	0
Fair value, measurement, recurring, asset, sales	0	0
Fair value, measurement , recurring, asset, issuances	0	0
Fair value, measurement, recurring, asset, settlements	0	0
Fair value, measurement, recurring, asset value, ending balance	2	1
Fair value, assets, recurring, net unrealized gains (losses)	2	$ 0
Fair value, assets measured on recurring basis, change in unrealized gain (loss) included in other comprehensive income	$ 0

XML

Fair Value (Fair Value Measurements - Nonrecurring Basis) (Details) $ in Millions	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	$ 107	$ 314
Fair Value, measurements, nonrecurring | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	18	210
Lower of cost or fair value or valuation reserve allowance	0	(2)
Fair Value, measurements, nonrecurring | Loans held-for-sale, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	74	96
Lower of cost or fair value or valuation reserve allowance	0	0
Fair Value, measurements, nonrecurring | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	92	306
Lower of cost or fair value or valuation reserve allowance	0	(2)
Fair Value, measurements, nonrecurring | Commercial finance receivables and loans, automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	83	84
Lower of cost or fair value or valuation reserve allowance	(18)	(10)
Fair Value, measurements, nonrecurring | Commercial finance receivables and loans, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	30	55
Lower of cost or fair value or valuation reserve allowance	(40)	(46)
Fair Value, measurements, nonrecurring | Commercial loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	113	139
Lower of cost or fair value or valuation reserve allowance	(58)	(56)
Fair Value, measurements, nonrecurring | Repossessed and foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	12	13
Lower of cost or fair value or valuation reserve allowance	(1)	(1)
Fair Value, measurements, nonrecurring | Nonmarketable equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	2	1
Lower of cost or fair value or valuation reserve allowance	0	(1)
Fair Value, measurements, nonrecurring | Equity method investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	1	3
Lower of cost or fair value or valuation reserve allowance	(3)	0
Fair Value, measurements, nonrecurring | Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	220	462
Lower of cost or fair value or valuation reserve allowance	(62)	(60)
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Loans held-for-sale, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Commercial finance receivables and loans, automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Commercial finance receivables and loans, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Commercial loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Repossessed and foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Nonmarketable equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Equity method investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 1 | Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Loans held-for-sale, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Commercial finance receivables and loans, automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Commercial finance receivables and loans, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Commercial loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Repossessed and foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Nonmarketable equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Equity method investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 2 | Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	18	210
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Loans held-for-sale, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	74	96
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	92	306
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Commercial finance receivables and loans, automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	83	84
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Commercial finance receivables and loans, other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	30	55
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Commercial loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial finance receivables and loans, net, fair value	113	139
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Repossessed and foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	12	13
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Nonmarketable equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	2	1
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Equity method investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets, fair value	1	3
Fair Value, measurements, nonrecurring | Fair value, inputs, level 3 | Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	$ 220	462
Valuation technique, market approach | Fair Value, measurements, nonrecurring | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net		104
Valuation technique, discounted cash flow | Fair Value, measurements, nonrecurring | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net		$ 106
Minimum | Valuation technique, discounted cash flow | Fair Value, measurements, nonrecurring | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, measurement input		0.0008
Maximum | Valuation technique, discounted cash flow | Fair Value, measurements, nonrecurring | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, measurement input		0.0109
Weighted average | Valuation technique, discounted cash flow | Fair Value, measurements, nonrecurring | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, measurement input		0.0072

XML

Fair Value (Fair Value of Financial Instruments) (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	$ 2,387,000,000	$ 2,362,000,000
Loans held-for-sale, net	107,000,000	314,000,000
Finance receivables and loans, net	128,767,000,000	128,684,000,000
Deposit liabilities	113,299,000,000	106,178,000,000
Short-term borrowings	6,115,000,000	9,987,000,000
Long-term debt	41,490,000,000	44,193,000,000
Reported value measurement
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	2,387,000,000	2,362,000,000
Loans held-for-sale, net	92,000,000	306,000,000
Finance receivables and loans, net	128,767,000,000	128,684,000,000
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	1,180,000,000	1,351,000,000
Deposit liabilities	54,899,000,000	51,985,000,000
Short-term borrowings	6,115,000,000	9,987,000,000
Long-term debt	41,490,000,000	44,193,000,000
Estimate of fair value measurement
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	2,374,000,000	2,307,000,000
Loans held-for-sale, net	92,000,000	306,000,000
Finance receivables and loans, net	131,541,000,000	130,878,000,000
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	1,180,000,000	1,351,000,000
Deposit liabilities	55,106,000,000	51,997,000,000
Short-term borrowings	6,119,000,000	9,992,000,000
Long-term debt	43,699,000,000	45,646,000,000
Estimate of fair value measurement | Fair value, inputs, level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	0	0
Loans held-for-sale, net	0	0
Finance receivables and loans, net	0	0
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	0	0
Deposit liabilities	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Estimate of fair value measurement | Fair value, inputs, level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	2,374,000,000	2,307,000,000
Loans held-for-sale, net	0	0
Finance receivables and loans, net	0	0
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	1,180,000,000	1,351,000,000
Deposit liabilities	0	0
Short-term borrowings	0	0
Long-term debt	23,038,000,000	23,846,000,000
Estimate of fair value measurement | Fair value, inputs, level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	0	0
Loans held-for-sale, net	92,000,000	306,000,000
Finance receivables and loans, net	131,541,000,000	130,878,000,000
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	0	0
Deposit liabilities	55,106,000,000	51,997,000,000
Short-term borrowings	6,119,000,000	9,992,000,000
Long-term debt	$ 20,661,000,000	$ 21,800,000,000

XML

Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Offsetting Assets and Liabilities [Line Items]
Derivative asset, gross amount of recognized assets	$ 22	$ 41
Derivative liability, gross amounts of recognized liabilities	21	37
Noncash Derivative Collateral Pledged to Ally	3	3
Noncash Repurchase Collateral pledged to Ally		4
Customer securities, entity has right to sell or repledge, fair value	3	7
Derivative assets in net asset positions
Offsetting Assets and Liabilities [Line Items]
Derivative asset, gross amount of recognized assets	20	41
Derivative assets and liabilities, gross amounts offset	0	0
Derivative asset, fair value, net amounts offset against collateral	20	41
Derivative asset, gross amounts not offset	1	0
Derivative, Collateral, Obligation to Return Cash	(1)	(4)
Derivative assets, net	18	37
Derivative assets with no offsetting arrangements [Member] [Domain]
Offsetting Assets and Liabilities [Line Items]
Derivative asset, gross amount of recognized assets	2
Derivative assets and liabilities, gross amounts offset	0
Derivative asset, fair value, net amounts offset against collateral	2
Derivative asset, gross amounts not offset	0
Derivative, Collateral, Obligation to Return Cash	0
Derivative assets, net	2
Derivative assets
Offsetting Assets and Liabilities [Line Items]
Derivative asset, gross amount of recognized assets	22	41
Derivative assets and liabilities, gross amounts offset	0	0
Derivative asset, fair value, net amounts offset against collateral	22	41
Derivative asset, gross amounts not offset	1	0
Derivative, Collateral, Obligation to Return Cash	(1)	(4)
Derivative assets, net	20	37
Derivative liabilities in net liability positions
Offsetting Assets and Liabilities [Line Items]
Derivative assets and liabilities, gross amounts offset	0	0
Derivative liabilities, collateral	(1)	0
Derivative liability, gross amounts of recognized liabilities	20	37
Derivative liability, fair value, net amounts offset against collateral	20	37
Derivative liability, gross amounts not offset	0	0
Derivative liabilities, net	19	37
Derivative liabilities in net asset positions [Member]
Offsetting Assets and Liabilities [Line Items]
Derivative assets and liabilities, gross amounts offset	0
Derivative liabilities, collateral	0
Derivative liability, gross amounts of recognized liabilities	1
Derivative liability, fair value, net amounts offset against collateral	1
Derivative liability, gross amounts not offset	(1)
Derivative liabilities, net	0
Total derivative liabilities excluding repurchase agreements [Member]
Offsetting Assets and Liabilities [Line Items]
Derivative assets and liabilities, gross amounts offset	0
Derivative liabilities, collateral	(1)
Derivative liability, gross amounts of recognized liabilities	21
Derivative liability, fair value, net amounts offset against collateral	21
Derivative liability, gross amounts not offset	(1)
Derivative liabilities, net	19
Securities sold under agreements to repurchase
Offsetting Assets and Liabilities [Line Items]
Derivative assets and liabilities, gross amounts offset	0	0
Derivative liabilities, collateral	(854)	(685)
Derivative liability, gross amounts of recognized liabilities	854	685
Derivative liability, fair value, net amounts offset against collateral	854	685
Derivative liability, gross amounts not offset	0	0
Derivative liabilities, net	0	0
Derivative liabilities
Offsetting Assets and Liabilities [Line Items]
Derivative assets and liabilities, gross amounts offset	0	0
Derivative liabilities, collateral	(855)	(685)
Derivative liability, gross amounts of recognized liabilities	875	722
Derivative liability, fair value, net amounts offset against collateral	875	722
Derivative liability, gross amounts not offset	(1)	0
Derivative liabilities, net	$ 19	$ 37

XML

Segment Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments	4
Net financing revenue and other interest income	$ 1,132	$ 1,049
Other revenue	466	354
Net revenue	1,598	1,403
Provision for loan losses	282	261
Noninterest expense	830	814
Income from continuing operations before income tax expense	486	328
Assets	180,117	170,021	$ 178,869
Net financing revenue and other interest income after provision for loan losses	850	788
Corporate and Other
Segment Reporting Information [Line Items]
Net financing revenue and other interest income	36	39
Other revenue	25	33
Net revenue	61	72
Provision for loan losses	(5)	0
Noninterest expense	80	76
Income from continuing operations before income tax expense	(14)	(4)
Assets	34,842	30,375
Automotive Finance operations
Segment Reporting Information [Line Items]
Net financing revenue and other interest income	980	909
Other revenue	68	66
Net revenue	1,048	975
Provision for loan losses	262	259
Noninterest expense	457	448
Income from continuing operations before income tax expense	329	268
Assets	115,789	114,934
Insurance operations
Segment Reporting Information [Line Items]
Net financing revenue and other interest income	12	12
Other revenue	360	246
Net revenue	372	258
Provision for loan losses	0	0
Noninterest expense	227	231
Income from continuing operations before income tax expense	145	27
Assets	8,179	7,557
Mortgage Finance operations
Segment Reporting Information [Line Items]
Net financing revenue and other interest income	50	43
Other revenue	2	1
Net revenue	52	44
Provision for loan losses	2	2
Noninterest expense	37	34
Income from continuing operations before income tax expense	13	8
Assets	16,301	12,780
Corporate Finance operations
Segment Reporting Information [Line Items]
Net financing revenue and other interest income	54	46
Other revenue	11	8
Net revenue	65	54
Provision for loan losses	23	0
Noninterest expense	29	25
Income from continuing operations before income tax expense	13	29
Assets	$ 5,006	$ 4,375

XML

Parent and Guarantor Condensed Consolidating Financial Statements (Schedule of Condensed Consolidating Statement of Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	$ 1,807	$ 1,543
Interest on loans held-for-sale	2	0
Interest and dividends on investment securities and other earning assets	240	176
Interest on cash and cash equivalents	23	15
Operating leases	361	382
Financing revenue and other interest income	2,433	2,116
Interest on deposits	592	351
Interest on short-term borrowings	44	32
Interest on long-term debt	419	411
Interest on intercompany debt	0	0
Interest expense	1,055	794
Net depreciation expense on operating lease assets	246	273
Net financing (loss) revenue	1,132	1,049
Cash dividends from bank subsidiaries	0	0
Cash dividends from nonbank subsidiaries	0	0
Insurance premiums and service revenue earned	261	256
Gain on mortgage and automotive loans, net	10	1
Other (loss) gain on investments, net	108	(12)
Other income, net of losses	87	109
Other revenue	466	354
Net revenue	1,598	1,403
Provision for loan losses	282	261
Compensation and benefits expense	318	306
Insurance losses and loss adjustment expenses	59	63
Other operating expenses	453	445
Noninterest expense	830	814
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	486	328
Income tax (benefit) expense from continuing operations	111	76
Net (loss) income from continuing operations	375	252
Income (loss) from discontinued operations, net of tax	(1)	(2)
Undistributed income of bank subsidiary	0	0
Undistributed income of nonbank subsidiaries	0	0
Net income	374	250
Other comprehensive income (loss), net of tax	306	(328)
Comprehensive income	680	(78)
Parent
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	(60)	11
Interest on loans held-for-sale	0
Interest and dividends on investment securities and other earning assets	0	0
Interest on cash and cash equivalents	2	2
Operating leases	2	2
Financing revenue and other interest income	(51)	19
Interest on deposits	0	0
Interest on short-term borrowings	13	10
Interest on long-term debt	211	258
Interest on intercompany debt	5	3
Interest expense	229	271
Net depreciation expense on operating lease assets	1	4
Net financing (loss) revenue	(281)	(256)
Cash dividends from bank subsidiaries	400	1,000
Cash dividends from nonbank subsidiaries	42	169
Insurance premiums and service revenue earned	0	0
Gain on mortgage and automotive loans, net	4	28
Other (loss) gain on investments, net	0	0
Other income, net of losses	103	96
Other revenue	107	124
Net revenue	268	1,037
Provision for loan losses	27	81
Compensation and benefits expense	12	23
Insurance losses and loss adjustment expenses	0	0
Other operating expenses	155	182
Noninterest expense	167	205
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	74	751
Income tax (benefit) expense from continuing operations	(61)	(56)
Net (loss) income from continuing operations	135	807
Income (loss) from discontinued operations, net of tax	(1)	(1)
Undistributed income of bank subsidiary	57	(597)
Undistributed income of nonbank subsidiaries	183	41
Net income	374	250
Other comprehensive income (loss), net of tax	306	(328)
Comprehensive income	680	(78)
Guarantors
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on loans held-for-sale	0
Interest and dividends on investment securities and other earning assets	0	0
Interest on cash and cash equivalents	0	0
Operating leases	0	0
Financing revenue and other interest income	0	0
Interest on deposits	0	0
Interest on short-term borrowings	0	0
Interest on long-term debt	0	0
Interest on intercompany debt	0	0
Interest expense	0	0
Net depreciation expense on operating lease assets	0	0
Net financing (loss) revenue	0	0
Cash dividends from bank subsidiaries	400	1,000
Cash dividends from nonbank subsidiaries	0	0
Insurance premiums and service revenue earned	0	0
Gain on mortgage and automotive loans, net	0	0
Other (loss) gain on investments, net	0	0
Other income, net of losses	0	0
Other revenue	0	0
Net revenue	400	1,000
Provision for loan losses	0	0
Compensation and benefits expense	0	0
Insurance losses and loss adjustment expenses	0	0
Other operating expenses	0	0
Noninterest expense	0	0
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	400	1,000
Income tax (benefit) expense from continuing operations	0	0
Net (loss) income from continuing operations	400	1,000
Income (loss) from discontinued operations, net of tax	0	0
Undistributed income of bank subsidiary	57	(597)
Undistributed income of nonbank subsidiaries	0	0
Net income	457	403
Other comprehensive income (loss), net of tax	229	(276)
Comprehensive income	686	127
Nonguarantors
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	1,867	1,532
Interest on loans held-for-sale	2
Interest and dividends on investment securities and other earning assets	240	176
Interest on cash and cash equivalents	21	14
Operating leases	359	380
Financing revenue and other interest income	2,494	2,105
Interest on deposits	592	354
Interest on short-term borrowings	31	22
Interest on long-term debt	208	153
Interest on intercompany debt	5	2
Interest expense	836	531
Net depreciation expense on operating lease assets	245	269
Net financing (loss) revenue	1,413	1,305
Cash dividends from bank subsidiaries	0	0
Cash dividends from nonbank subsidiaries	0	0
Insurance premiums and service revenue earned	261	256
Gain on mortgage and automotive loans, net	6	1
Other (loss) gain on investments, net	108	(12)
Other income, net of losses	144	221
Other revenue	519	466
Net revenue	1,932	1,771
Provision for loan losses	272	208
Compensation and benefits expense	306	283
Insurance losses and loss adjustment expenses	59	63
Other operating expenses	458	471
Noninterest expense	823	817
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	837	746
Income tax (benefit) expense from continuing operations	172	132
Net (loss) income from continuing operations	665	614
Income (loss) from discontinued operations, net of tax	0	(1)
Undistributed income of bank subsidiary	0	0
Undistributed income of nonbank subsidiaries	0	0
Net income	665	613
Other comprehensive income (loss), net of tax	320	(339)
Comprehensive income	985	274
Affiliated entity
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on cash and cash equivalents	0	0
Gain on mortgage and automotive loans, net	0	0
Affiliated entity | Parent
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	3	2
Interest on cash and cash equivalents	2	2
Gain on mortgage and automotive loans, net	507	(423)
Affiliated entity | Guarantors
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on cash and cash equivalents	0	0
Gain on mortgage and automotive loans, net	0	0
Affiliated entity | Nonguarantors
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	2	1
Interest on cash and cash equivalents	3	2
Gain on mortgage and automotive loans, net	290	1
Consolidating adjustments
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on loans held-for-sale	0
Interest and dividends on investment securities and other earning assets	0	0
Interest on cash and cash equivalents	0	(1)
Operating leases	0	0
Financing revenue and other interest income	(10)	(8)
Interest on deposits	0	(3)
Interest on short-term borrowings	0	0
Interest on long-term debt	0	0
Interest on intercompany debt	(10)	(5)
Interest expense	(10)	(8)
Net depreciation expense on operating lease assets	0	0
Net financing (loss) revenue	0	0
Cash dividends from bank subsidiaries	(800)	(2,000)
Cash dividends from nonbank subsidiaries	(42)	(169)
Insurance premiums and service revenue earned	0	0
Gain on mortgage and automotive loans, net	0	(28)
Other (loss) gain on investments, net	0	0
Other income, net of losses	(160)	(208)
Other revenue	(160)	(236)
Net revenue	(1,002)	(2,405)
Provision for loan losses	(17)	(28)
Compensation and benefits expense	0	0
Insurance losses and loss adjustment expenses	0	0
Other operating expenses	(160)	(208)
Noninterest expense	(160)	(208)
Income from continuing operations before income tax (benefit) expense and undistributed (loss) income of subsidiaries	(825)	(2,169)
Income tax (benefit) expense from continuing operations	0	0
Net (loss) income from continuing operations	(825)	(2,169)
Income (loss) from discontinued operations, net of tax	0	0
Undistributed income of bank subsidiary	(114)	1,194
Undistributed income of nonbank subsidiaries	(183)	(41)
Net income	(1,122)	(1,016)
Other comprehensive income (loss), net of tax	(549)	615
Comprehensive income	(1,671)	(401)
Consolidating adjustments | Affiliated entity
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	(5)	(3)
Interest on cash and cash equivalents	(5)	(4)
Gain on mortgage and automotive loans, net	$ (797)	$ 422

XML

Parent and Guarantor Condensed Consolidating Financial Statements (Schedule of Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, noninterest-bearing	$ 946		$ 810
Cash and cash equivalents, interest-bearing	3,011		3,727
Cash and cash equivalents	3,957		4,537	$ 3,721
Equity securities	536		773
Available-for-sale securities	27,630		25,303
Held-to-maturity securities	2,387		2,362
Loans held-for-sale, net	107		314
Finance receivables and loans, net	130,055		129,926	125,327
Intercompany loans to nonbank subsidiary	0		0
Allowance for loan losses	1,288		1,242	1,278		$ 1,276
Total finance receivables and loans, net	128,767		128,684
Investment in operating leases, net	8,339		8,417
Intercompany receivables from bank subsidiary	0		0
Intercompany receivables from nonbank subsidiary	0		0
Investment in bank subsidiaries	0		0
Investment in nonbank subsidiaries	0		0
Premiums receivable and other insurance assets	2,401		2,326
Other assets	5,993		6,153
Assets	180,117		178,869	170,021
Deposit liabilities, noninterest-bearing	141		142
Deposit liabilities, interest-bearing	113,158		106,036
Deposit liabilities	113,299		106,178
Short-term borrowings	6,115		9,987
Long-term debt	41,490		44,193
Intercompany debt payable to bank subsidiaries	0		0
Intercompany debt payable to nonbank subsidiaries	0		0
Intercompany payables to bank subsidiary	0		0
Intercompany payables to nonbank subsidiaries	0		0
Interest payable	696		523
Unearned insurance premiums and service revenue	3,096		3,044
Accrued expenses and other liabilities	1,722		1,676
Total liabilities	166,418		165,601
Equity	13,699	$ 13,266	13,268	13,082	$ 13,375	$ 13,494
Total liabilities and equity	180,117		178,869
Parent
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, noninterest-bearing	45		55
Cash and cash equivalents, interest-bearing	14		5
Cash and cash equivalents	1,404		1,309	796
Equity securities	0		0
Available-for-sale securities	0		0
Held-to-maturity securities	0		0
Loans held-for-sale, net	0		0
Finance receivables and loans, net	2,109		2,349
Intercompany loans to nonbank subsidiary	372		882
Allowance for loan losses	36		55
Total finance receivables and loans, net	2,445		3,176
Investment in operating leases, net	3		5
Intercompany receivables from bank subsidiary	104		158
Intercompany receivables from nonbank subsidiary	46		45
Investment in bank subsidiaries	16,499		16,213
Investment in nonbank subsidiaries	6,687		6,928
Premiums receivable and other insurance assets	0		0
Other assets	2,292		2,226
Assets	29,480		30,060
Deposit liabilities, noninterest-bearing	0		0
Deposit liabilities, interest-bearing	0		1
Deposit liabilities	0		1
Short-term borrowings	2,486		2,477
Long-term debt	11,887		12,774
Intercompany debt payable to bank subsidiaries	17		20
Intercompany debt payable to nonbank subsidiaries	801		918
Intercompany payables to bank subsidiary	46		45
Intercompany payables to nonbank subsidiaries	108		124
Interest payable	218		159
Unearned insurance premiums and service revenue	0		0
Accrued expenses and other liabilities	218		274
Total liabilities	15,781		16,792
Equity	13,699		13,268
Total liabilities and equity	29,480		30,060
Guarantors
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, noninterest-bearing	0		0
Cash and cash equivalents, interest-bearing	0		0
Cash and cash equivalents	0		0	0
Equity securities	0		0
Available-for-sale securities	0		0
Held-to-maturity securities	0		0
Loans held-for-sale, net	0		0
Finance receivables and loans, net	0		0
Intercompany loans to nonbank subsidiary	0		0
Allowance for loan losses	0		0
Total finance receivables and loans, net	0		0
Investment in operating leases, net	0		0
Intercompany receivables from bank subsidiary	0		0
Intercompany receivables from nonbank subsidiary	0		0
Investment in bank subsidiaries	16,499		16,213
Investment in nonbank subsidiaries	0		0
Premiums receivable and other insurance assets	0		0
Other assets	0		0
Assets	16,499		16,213
Deposit liabilities, noninterest-bearing	0		0
Deposit liabilities, interest-bearing	0		0
Deposit liabilities	0		0
Short-term borrowings	0		0
Long-term debt	0		0
Intercompany debt payable to bank subsidiaries	0		0
Intercompany debt payable to nonbank subsidiaries	0		0
Intercompany payables to bank subsidiary	0		0
Intercompany payables to nonbank subsidiaries	0		0
Interest payable	0		0
Unearned insurance premiums and service revenue	0		0
Accrued expenses and other liabilities	0		0
Total liabilities	0		0
Equity	16,499		16,213
Total liabilities and equity	16,499		16,213
Nonguarantors
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, noninterest-bearing	901		755
Cash and cash equivalents, interest-bearing	2,997		3,722
Cash and cash equivalents	4,595		4,998	4,237
Equity securities	536		773
Available-for-sale securities	27,630		25,303
Held-to-maturity securities	2,404		2,382
Loans held-for-sale, net	107		314
Finance receivables and loans, net	127,928		127,577
Intercompany loans to nonbank subsidiary	104		397
Allowance for loan losses	1,252		1,187
Total finance receivables and loans, net	126,780		126,787
Investment in operating leases, net	8,336		8,412
Intercompany receivables from bank subsidiary	0		0
Intercompany receivables from nonbank subsidiary	110		129
Investment in bank subsidiaries	0		0
Investment in nonbank subsidiaries	0		0
Premiums receivable and other insurance assets	2,401		2,326
Other assets	5,440		5,453
Assets	178,339		176,877
Deposit liabilities, noninterest-bearing	141		142
Deposit liabilities, interest-bearing	113,158		106,035
Deposit liabilities	114,644		107,426
Short-term borrowings	3,629		7,510
Long-term debt	29,603		31,419
Intercompany debt payable to bank subsidiaries	0		0
Intercompany debt payable to nonbank subsidiaries	372		882
Intercompany payables to bank subsidiary	0		0
Intercompany payables to nonbank subsidiaries	113		129
Interest payable	478		364
Unearned insurance premiums and service revenue	3,096		3,044
Accrued expenses and other liabilities	3,236		2,962
Total liabilities	155,171		153,736
Equity	23,168		23,141
Total liabilities and equity	178,339		176,877
Affiliated entity
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, interest-bearing	0		0
Deposit liabilities, interest-bearing	0		0
Affiliated entity | Parent
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, interest-bearing	1,345		1,249
Deposit liabilities, interest-bearing	0		0
Affiliated entity | Guarantors
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, interest-bearing	0		0
Deposit liabilities, interest-bearing	0		0
Affiliated entity | Nonguarantors
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, interest-bearing	697		521
Deposit liabilities, interest-bearing	1,345		1,249
Consolidating adjustments
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, noninterest-bearing	0		0
Cash and cash equivalents, interest-bearing	0		0
Cash and cash equivalents	(2,042)		(1,770)	$ (1,312)
Equity securities	0		0
Available-for-sale securities	0		0
Held-to-maturity securities	(17)		(20)
Loans held-for-sale, net	0		0
Finance receivables and loans, net	18		0
Intercompany loans to nonbank subsidiary	(476)		(1,279)
Allowance for loan losses	0		0
Total finance receivables and loans, net	(458)		(1,279)
Investment in operating leases, net	0		0
Intercompany receivables from bank subsidiary	(104)		(158)
Intercompany receivables from nonbank subsidiary	(156)		(174)
Investment in bank subsidiaries	(32,998)		(32,426)
Investment in nonbank subsidiaries	(6,687)		(6,928)
Premiums receivable and other insurance assets	0		0
Other assets	(1,739)		(1,526)
Assets	(44,201)		(44,281)
Deposit liabilities, noninterest-bearing	0		0
Deposit liabilities, interest-bearing	0		0
Deposit liabilities	(1,345)		(1,249)
Short-term borrowings	0		0
Long-term debt	0		0
Intercompany debt payable to bank subsidiaries	(17)		(20)
Intercompany debt payable to nonbank subsidiaries	(1,173)		(1,800)
Intercompany payables to bank subsidiary	(46)		(45)
Intercompany payables to nonbank subsidiaries	(221)		(253)
Interest payable	0		0
Unearned insurance premiums and service revenue	0		0
Accrued expenses and other liabilities	(1,732)		(1,560)
Total liabilities	(4,534)		(4,927)
Equity	(39,667)		(39,354)
Total liabilities and equity	(44,201)		(44,281)
Consolidating adjustments | Affiliated entity
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents, interest-bearing	(2,042)		(1,770)
Deposit liabilities, interest-bearing	$ (1,345)		$ (1,249)

XML

Parent and Guarantor Condensed Consolidating Financial Statements (Statement of Cash Flows) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net cash provided by (used in) operating activities	$ 1,081	$ 1,097
Purchases of equity securities	(48)	(374)
Proceeds from sales of equity securities	383	220
Purchases of available-for-sale securities	(3,401)	(2,360)
Proceeds from sale of available-for-sale securities	656	328
Proceeds from repayments of available-for-sale securities	694	795
Purchases of held-to-maturity securities	(131)	(155)
Proceeds from repayments of held-to-maturity securities	44	35
Purchases of finance receivables and loans held-for-investment	(1,452)	(1,497)
Proceeds from sales of finance receivables and loans initially held-for-investment	157	0
Originations and repayments of finance receivables and loans held-for-investment and other, net	1,149	(1,300)
Net change in intercompany loans	10	1
Purchases of operating lease assets	(792)	(969)
Disposals of operating lease assets	624	976
Capital contributions to subsidiaries	0	0
Returns of contributed capital	0	0
Net change in nonmarketable equity investments	171	(19)
Payments for (proceeds from) other, net	(95)	(82)
Net cash provided by investing activities	(2,041)	(4,402)
Net change in short-term borrowings	(3,872)	(1,848)
Net (decrease) increase in deposits	7,114	4,173
Proceeds from issuance of long-term debt	1,766	6,665
Repayments of long-term debt	(4,490)	(5,771)
Repurchase of common stock	(211)	(185)
Dividends paid	(70)	(58)
Capital contributions from parent	0	0
Net cash provided by (used in) financing activities	237	2,976
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	1	(2)
Net increase (decrease) in cash and cash equivalents and restricted cash	(722)	(331)
Cash and cash equivalents and restricted cash	4,904	4,938	$ 5,626	$ 5,269
Cash and cash equivalents	3,957	3,721	4,537
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet	947	1,217
Parent
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net cash provided by (used in) operating activities	155	456
Purchases of equity securities	0	0
Proceeds from sales of equity securities	0	0
Purchases of available-for-sale securities	0	0
Proceeds from sale of available-for-sale securities	0	0
Proceeds from repayments of available-for-sale securities	0	0
Purchases of held-to-maturity securities	0	0
Proceeds from repayments of held-to-maturity securities	0	0
Purchases of finance receivables and loans held-for-investment	0	0
Proceeds from sales of finance receivables and loans initially held-for-investment	402	820
Originations and repayments of finance receivables and loans held-for-investment and other, net	301	432
Net change in intercompany loans	4	28
Purchases of operating lease assets	0	0
Disposals of operating lease assets	1	4
Capital contributions to subsidiaries	(1)	(49)
Returns of contributed capital	15	38
Net change in nonmarketable equity investments	(1)	0
Payments for (proceeds from) other, net	0	(3)
Net cash provided by investing activities	1,224	819
Net change in short-term borrowings	9	(214)
Net (decrease) increase in deposits	(1)	(6)
Proceeds from issuance of long-term debt	7	15
Repayments of long-term debt	(900)	(1,152)
Repurchase of common stock	(211)	(185)
Dividends paid	(70)	(58)
Capital contributions from parent	0	0
Net cash provided by (used in) financing activities	(1,284)	(1,727)
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	0	0
Net increase (decrease) in cash and cash equivalents and restricted cash	95	(452)
Cash and cash equivalents and restricted cash	1,493	943	1,398	1,395
Cash and cash equivalents	1,404	796	1,309
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet	89	147
Guarantors
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net cash provided by (used in) operating activities	400	1,000
Purchases of equity securities	0	0
Proceeds from sales of equity securities	0	0
Purchases of available-for-sale securities	0	0
Proceeds from sale of available-for-sale securities	0	0
Proceeds from repayments of available-for-sale securities	0	0
Purchases of held-to-maturity securities	0	0
Proceeds from repayments of held-to-maturity securities	0	0
Purchases of finance receivables and loans held-for-investment	0	0
Proceeds from sales of finance receivables and loans initially held-for-investment	0	0
Originations and repayments of finance receivables and loans held-for-investment and other, net	0	0
Net change in intercompany loans	0	0
Purchases of operating lease assets	0	0
Disposals of operating lease assets	0	0
Capital contributions to subsidiaries	0	(6)
Returns of contributed capital	0	0
Net change in nonmarketable equity investments	0	0
Payments for (proceeds from) other, net	0	0
Net cash provided by investing activities	0	(6)
Net change in short-term borrowings	0	0
Net (decrease) increase in deposits	0	0
Proceeds from issuance of long-term debt	0	0
Repayments of long-term debt	0	0
Repurchase of common stock	0	0
Dividends paid	0	0
Capital contributions from parent	0	6
Net cash provided by (used in) financing activities	(400)	(994)
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	0	0
Net increase (decrease) in cash and cash equivalents and restricted cash	0	0
Cash and cash equivalents and restricted cash	0	0	0	0
Cash and cash equivalents	0	0	0
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet	0	0
Nonguarantors
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net cash provided by (used in) operating activities	1,369	1,812
Purchases of equity securities	(48)	(374)
Proceeds from sales of equity securities	383	220
Purchases of available-for-sale securities	(3,401)	(2,360)
Proceeds from sale of available-for-sale securities	656	328
Proceeds from repayments of available-for-sale securities	694	795
Purchases of held-to-maturity securities	(131)	(155)
Proceeds from repayments of held-to-maturity securities	44	35
Purchases of finance receivables and loans held-for-investment	(1,843)	(2,317)
Proceeds from sales of finance receivables and loans initially held-for-investment	146	0
Originations and repayments of finance receivables and loans held-for-investment and other, net	848	(1,732)
Net change in intercompany loans	6	1
Purchases of operating lease assets	(792)	(969)
Disposals of operating lease assets	623	972
Capital contributions to subsidiaries	0	0
Returns of contributed capital	0	0
Net change in nonmarketable equity investments	172	(19)
Payments for (proceeds from) other, net	(94)	(80)
Net cash provided by investing activities	(2,450)	(5,646)
Net change in short-term borrowings	(3,881)	(1,634)
Net (decrease) increase in deposits	7,211	3,776
Proceeds from issuance of long-term debt	1,759	6,650
Repayments of long-term debt	(3,590)	(4,619)
Repurchase of common stock	0	0
Dividends paid	0	0
Capital contributions from parent	1	49
Net cash provided by (used in) financing activities	535	3,436
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	1	(2)
Net increase (decrease) in cash and cash equivalents and restricted cash	(545)	(400)
Cash and cash equivalents and restricted cash	5,453	5,307	5,998	5,707
Cash and cash equivalents	4,595	4,237	4,998
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet	858	1,070
Consolidating adjustments
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net cash provided by (used in) operating activities	(843)	(2,171)
Purchases of equity securities	0	0
Proceeds from sales of equity securities	0	0
Purchases of available-for-sale securities	0	0
Proceeds from sale of available-for-sale securities	0	0
Proceeds from repayments of available-for-sale securities	0	0
Purchases of held-to-maturity securities	0	0
Proceeds from repayments of held-to-maturity securities	0	0
Purchases of finance receivables and loans held-for-investment	391	820
Proceeds from sales of finance receivables and loans initially held-for-investment	(391)	(820)
Originations and repayments of finance receivables and loans held-for-investment and other, net	0	0
Net change in intercompany loans	0	(28)
Purchases of operating lease assets	0	0
Disposals of operating lease assets	0	0
Capital contributions to subsidiaries	1	55
Returns of contributed capital	(15)	(38)
Net change in nonmarketable equity investments	0	0
Payments for (proceeds from) other, net	(1)	1
Net cash provided by investing activities	(815)	431
Net change in short-term borrowings	0	0
Net (decrease) increase in deposits	(96)	403
Proceeds from issuance of long-term debt	0	0
Repayments of long-term debt	0	0
Repurchase of common stock	0	0
Dividends paid	0	0
Capital contributions from parent	(1)	(55)
Net cash provided by (used in) financing activities	1,386	2,261
Effect of exchange-rate changes on cash and cash equivalents and restricted cash	0	0
Net increase (decrease) in cash and cash equivalents and restricted cash	(272)	521
Cash and cash equivalents and restricted cash	(2,042)	(1,312)	(1,770)	$ (1,833)
Cash and cash equivalents	(2,042)	(1,312)	$ (1,770)
Restricted cash included in other assets on the Condensed Consolidated Balance Sheet	0	0
Affiliated entity
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net change in intercompany investment securities	0	0
Net change in intercompany loans	0	0
Net change in intercompany debt	0	0
Dividends paid and returns of contributed capital, intercompany	0	0
Affiliated entity | Parent
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net change in intercompany investment securities	0	0
Net change in intercompany loans	507	(423)
Net change in intercompany debt	(118)	(127)
Dividends paid and returns of contributed capital, intercompany	0	0
Affiliated entity | Guarantors
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net change in intercompany investment securities	0	0
Net change in intercompany loans	0	0
Net change in intercompany debt	0	0
Dividends paid and returns of contributed capital, intercompany	(400)	(1,000)
Affiliated entity | Nonguarantors
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net change in intercompany investment securities	3	9
Net change in intercompany loans	290	1
Net change in intercompany debt	(507)	422
Dividends paid and returns of contributed capital, intercompany	(458)	(1,208)
Affiliated entity | Consolidating adjustments
Parent and Guarantor Consolidating Statement of Cash Flows [Line Items]
Net change in intercompany investment securities	(3)	(9)
Net change in intercompany loans	(797)	422
Net change in intercompany debt	625	(295)
Dividends paid and returns of contributed capital, intercompany	$ 858	$ 2,208

XML

Subsequent Events (Details) - $ / shares	Apr. 14, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Subsequent Event [Line Items]
Dividends declared, amount per common share		$ 0.17	$ 0.15	$ 0.15	$ 0.13	$ 0.13
Subsequent event
Subsequent Event [Line Items]
Dividends declared, amount per common share	$ 0.17

XML

Label	Element	Value
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax	$ (250,000,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax	us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax	(531,000,000)
Treasury Stock [Member]
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(1,110,000,000)
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(2,049,000,000)
Common Stock Including Additional Paid in Capital [Member]
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	21,245,000,000
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	21,345,000,000
Retained Earnings [Member]
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(6,510,000,000)
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(5,499,000,000)
Accounting Standards Update 2017-08 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(2,000,000)
Accounting Standards Update 2017-08 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	8,000,000
Accounting Standards Update 2017-08 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(10,000,000)
Accounting Standards Update 2016-01 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	7,000,000
Accounting Standards Update 2016-01 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	27,000,000
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(20,000,000)
Accounting Standards Update 2014-09 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(126,000,000)
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(126,000,000)
Accounting Standards Update 2018-02 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0
Accounting Standards Update 2018-02 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(42,000,000)
Accounting Standards Update 2018-02 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 42,000,000