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 December 31, 2017

OR

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

Commission file number 001-33977

VISA INC.

(Exact name of Registrant as specified in its charter)

Delaware	26-0267673
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
P.O. Box 8999 San Francisco, California	94128-8999
(Address of principal executive offices)	(Zip Code)

(650) 432-3200

(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  o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files).  Yes  þ    No  o

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 definition 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	Smaller reporting company   o
Non-accelerated filer o (Do not check if a smaller reporting company.)		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  o    No  þ

As of January 26, 2018 there were 1,802,624,578 shares of class A common stock, par value $0.0001 per share, 245,513,385 shares of class B common stock, par value $0.0001 per share, and 12,400,261 shares of class C common stock, par value $0.0001 per share, of Visa Inc. outstanding.

VISA INC.

TABLE OF CONTENTS

		Page
PART I.	Financial Information	3
Item 1.	Financial Statements (unaudited)	3
	Consolidated Balance Sheets—December 31, 2017 and September 30, 2017	3
	Consolidated Statements of Operations—Three Months Ended December 31, 2017 and 2016	4
	Consolidated Statements of Comprehensive Income—Three Months Ended December 31, 2017 and 2016	5
	Consolidated Statements of Cash Flows—Three Months Ended December 31, 2017 and 2016	6
	Notes to Consolidated Financial Statements (unaudited)	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	21
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	29
Item 4.	Controls and Procedures	29
PART II.	Other Information	30
Item 1.	Legal Proceedings	30
Item 1A.	Risk Factors	30
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	30
Item 3.	Defaults Upon Senior Securities	30
Item 4.	Mine Safety Disclosures	30
Item 5.	Other Information	30
Item 6.	Exhibits	30
	Signatures	31
	Exhibit Index	32

2

PART I. FINANCIAL INFORMATION

ITEM 1. Financial Statements

VISA INC.

CONSOLIDATED BALANCE SHEETS

(UNAUDITED)

	December 31, 2017			September 30, 2017
	(in millions, except par value data)
Assets
Cash and cash equivalents	$	8,138		$	9,874
Restricted cash—U.S. litigation escrow (Note 2)	883			1,031
Investment securities (Note 3):
Trading	106			82
Available-for-sale	3,307			3,482
Settlement receivable	1,618			1,422
Accounts receivable	1,281			1,132
Customer collateral (Note 5)	1,155			1,106
Current portion of client incentives	295			344
Prepaid expenses and other current assets	504			550
Total current assets	17,287			19,023
Investment securities, available-for-sale (Note 3)	2,674			1,926
Client incentives	557			591
Property, equipment and technology, net	2,238			2,253
Other assets	1,127			1,226
Intangible assets, net	28,109			27,848
Goodwill	15,162			15,110
Total assets	$	67,154		$	67,977
Liabilities
Accounts payable	$	108		$	179
Settlement payable	2,302			2,003
Customer collateral (Note 5)	1,155			1,106
Accrued compensation and benefits	389			757
Client incentives	2,355			2,089
Accrued liabilities	1,224			1,129
Current maturities of long-term debt (Note 4)	—			1,749
Accrued litigation (Note 11)	830			982
Total current liabilities	8,363			9,994
Long-term debt (Note 4)	16,621			16,618
Deferred tax liabilities	5,107			5,980
Deferred purchase consideration	1,330			1,304
Other liabilities	2,332			1,321
Total liabilities	33,753			35,217
Equity
Preferred stock, $0.0001 par value, 25 shares authorized and 5 shares issued and outstanding as follows:
Series A convertible participating preferred stock, none issued (Note 7)	—			—
Series B convertible participating preferred stock, 2 shares issued and outstanding at December 31, 2017 and September 30, 2017 (the “UK&I preferred stock”) (Note 7)	2,295			2,326
Series C convertible participating preferred stock, 3 shares issued and outstanding at December 31, 2017 and September 30, 2017 (the “Europe preferred stock”) (Note 7)	3,181			3,200
Class A common stock, $0.0001 par value, 2,001,622 shares authorized, 1,805 and 1,818 shares issued and outstanding at December 31, 2017 and September 30, 2017, respectively (Note 7)	—			—
Class B common stock, $0.0001 par value, 622 shares authorized, 245 shares issued and outstanding at December 31, 2017 and September 30, 2017 (Note 7)	—			—
Class C common stock, $0.0001 par value, 1,097 shares authorized, 12 and 13 shares issued and outstanding at December 31, 2017 and September 30, 2017, respectively (Note 7)	—			—
Right to recover for covered losses (Note 2)	(5		)	(52		)
Additional paid-in capital	16,761			16,900
Accumulated income	9,966			9,508
Accumulated other comprehensive income (loss), net:
Investment securities, available-for-sale	61			73
Defined benefit pension and other postretirement plans	(76		)	(76		)
Derivative instruments classified as cash flow hedges	(33		)	(36		)
Foreign currency translation adjustments	1,251			917
Total accumulated other comprehensive income, net	1,203			878
Total equity	33,401			32,760
Total liabilities and equity	$	67,154		$	67,977

See accompanying notes, which are an integral part of these unaudited consolidated financial statements.

3

VISA INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)

	Three Months Ended December 31,
	2017			2016
	(in millions, except per share data)
Operating Revenues
Service revenues	$	2,146		$	1,918
Data processing revenues	2,147			1,892
International transaction revenues	1,666			1,489
Other revenues	229			203
Client incentives	(1,326		)	(1,041		)
Net operating revenues	4,862			4,461
Operating Expenses
Personnel	679			571
Marketing	223			218
Network and processing	160			145
Professional fees	92			80
Depreciation and amortization	145			146
General and administrative	236			186
Litigation provision (Note 11)	—			15
Total operating expenses	1,535			1,361
Operating income	3,327			3,100
Non-operating Income (Expense)
Interest expense	(154		)	(140		)
Other	66			19
Total non-operating expense	(88		)	(121		)
Income before income taxes	3,239			2,979
Income tax provision (Note 10)	717			909
Net income	$	2,522		$	2,070
Basic earnings per share (Note 8)
Class A common stock	$	1.07		$	0.86
Class B common stock	$	1.77		$	1.41
Class C common stock	$	4.30		$	3.43
Basic weighted-average shares outstanding (Note 8)
Class A common stock	1,811			1,860
Class B common stock	245			245
Class C common stock	13			17
Diluted earnings per share (Note 8)
Class A common stock	$	1.07		$	0.86
Class B common stock	$	1.77		$	1.41
Class C common stock	$	4.29		$	3.42
Diluted weighted-average shares outstanding (Note 8)
Class A common stock	2,353			2,421
Class B common stock	245			245
Class C common stock	13			17

See accompanying notes, which are an integral part of these unaudited consolidated financial statements.

4

VISA INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

	Three Months Ended December 31,
	2017			2016
	(in millions)
Net income	$	2,522		$	2,070
Other comprehensive income (loss), net of tax:
Investment securities, available-for-sale:
Net unrealized gain (loss)	9			(3		)
Income tax effect	(3		)	(1		)
Reclassification adjustment for net gain realized in net income	(28		)	—
Income tax effect	10			—
Defined benefit pension and other postretirement plans:
Amortization of actuarial loss and prior service credit realized in net income	—			6
Income tax effect	—			(2		)
Derivative instruments classified as cash flow hedges:
Net unrealized (loss) gain	(1		)	74
Income tax effect	(5		)	(7		)
Reclassification adjustment for net loss realized in net income	11			12
Income tax effect	(2		)	(2		)
Foreign currency translation adjustments	334			(988		)
Other comprehensive income (loss), net of tax	325			(911		)
Comprehensive income	$	2,847		$	1,159

See accompanying notes, which are an integral part of these unaudited consolidated financial statements.

5

VISA INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Three Months Ended December 31,
	2017			2016
	(in millions)
Operating Activities
Net income	$	2,522		$	2,070
Adjustments to reconcile net income to net cash provided by operating activities:
Client incentives	1,326			1,041
Share-based compensation (Note 9)	68			45
Depreciation and amortization of property, equipment, technology and intangible assets	145			146
Deferred income taxes	(919		)	77
Right to recover for covered losses recorded in equity (Note 2)	(3		)	(94		)
Other	(23		)	13
Change in operating assets and liabilities:
Settlement receivable	(180		)	56
Accounts receivable	(146		)	(89		)
Client incentives	(986		)	(1,129		)
Other assets	92			66
Accounts payable	(51		)	(102		)
Settlement payable	275			79
Accrued and other liabilities	794			316
Accrued litigation (Note 11)	(152		)	13
Net cash provided by operating activities	2,762			2,508
Investing Activities
Purchases of property, equipment, technology and intangible assets	(141		)	(171		)
Investment securities, available-for-sale:
Purchases	(1,636		)	(1,032		)
Proceeds from maturities and sales	1,076			788
Purchases of / contributions to other investments	(6		)	(2		)
Net cash used in investing activities	(707		)	(417		)
Financing Activities
Repurchase of class A common stock (Note 7)	(1,778		)	(1,893		)
Repayments of long-term debt (Note 4)	(1,750		)	—
Dividends paid (Note 7)	(458		)	(399		)
Proceeds from issuance of commercial paper	—			566
Payments from litigation escrow account—U.S. retrospective responsibility plan (Note 2 and Note 11)	150			—
Cash proceeds from issuance of common stock under employee equity plans	53			56
Restricted stock and performance-based shares settled in cash for taxes	(88		)	(60		)
Net cash used in financing activities	(3,871		)	(1,730		)
Effect of exchange rate changes on cash and cash equivalents	80			(156		)
(Decrease) increase in cash and cash equivalents	(1,736		)	205
Cash and cash equivalents at beginning of period	9,874			5,619
Cash and cash equivalents at end of period	$	8,138		$	5,824
Supplemental Disclosure
Income taxes paid, net of refunds	$	183		$	96
Interest payments on debt (Note 4)	$	241		$	244
Accruals related to purchases of property, equipment, technology and intangible assets	$	26		$	69

See accompanying notes, which are an integral part of these unaudited consolidated financial statements.

6

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

(UNAUDITED)

Note 1—Summary of Significant Accounting Policies

Organization. Visa Inc. ("Visa" or the "Company") is a global payments technology company that enables fast, secure and reliable electronic payments across more than 200 countries and territories. Visa and its wholly-owned consolidated subsidiaries, including Visa U.S.A. Inc. ("Visa U.S.A."), Visa International Service Association ("Visa International"), Visa Worldwide Pte. Limited, Visa Europe Limited ("Visa Europe"), Visa Canada Corporation, Visa Technology & Operations LLC and CyberSource Corporation, operate one of the world’s largest retail electronic payments networks — VisaNet — which facilitates authorization, clearing and settlement of payment transactions and enables the Company to provide its financial institution and merchant clients a wide range of products, platforms and value-added services. VisaNet also offers fraud protection for account holders and assured payment for merchants. Visa is not a bank and does not issue cards, extend credit or set rates and fees for account holders on Visa products. In most cases, account holder and merchant relationships belong to, and are managed by, Visa's financial institution clients.

Consolidation and basis of presentation. The accompanying unaudited consolidated financial statements include the accounts of Visa and its consolidated entities and are presented in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP"). The Company consolidates its majority-owned and controlled entities, including variable interest entities ("VIEs") for which the Company is the primary beneficiary. The Company’s investments in VIEs have not been material to its consolidated financial statements as of and for the periods presented. All significant intercompany accounts and transactions are eliminated in consolidation.

The accompanying unaudited consolidated financial statements are presented in accordance with the U.S. Securities and Exchange Commission (SEC) requirements for Quarterly Reports on Form 10-Q and, consequently, do not include all of the annual disclosures required by U.S. GAAP. Reference should be made to the Visa Annual Report on Form 10-K for the year ended September 30, 2017 for additional disclosures, including a summary of the Company’s significant accounting policies.

In the opinion of management, the accompanying unaudited consolidated financial statements include all normal recurring adjustments necessary for a fair presentation of the Company's financial position, results of operations and cash flows for the interim periods presented.

Recently Issued and Adopted Accounting Pronouncements.

In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2014-09, which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of goods or services to customers. The ASU will replace existing revenue recognition guidance in U.S. GAAP when it becomes effective. Subsequently, the FASB also issued a series of amendments to the new revenue standard. The Company will adopt the standard effective October 1, 2018, and expects to adopt the standard using the modified retrospective transition method. The Company expects that the new standard will primarily impact recognition timing for certain fixed incentives and price discounts provided to clients, and the classification of certain client incentives between contra revenues and operating expenses. The Company is still in the process of quantifying the full effect that ASU 2014-09 and all of its related subsequent updates will have on its consolidated financial statements and related disclosures. The impact of the new standard to future financial results is unknowable as it is not possible to estimate the impact to the recognition of new customer contracts which may be executed in future periods. The Company has completed an assessment of its existing customer contracts through December 31, 2017. Application of the new standard to consolidated financial statements for the first quarter of fiscal 2018 would not have resulted in a material impact. The Company will continue to assess the impact of the new standard as new customer contracts are executed going forward.

In March 2016, the FASB issued ASU 2016-05, which clarifies that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815, Derivatives and Hedging, does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

7

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

In March 2016, the FASB issued ASU 2016-06, which clarifies the requirements for assessing whether contingent call/put options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment is required to assess the embedded call/put options solely in accordance with a four-step decision sequence. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

In March 2016, the FASB issued ASU 2016-07, which eliminates the requirement that an entity retroactively adopt the equity method of accounting if an investment qualifies for use of the equity method as a result of an increase in the level of ownership or degree of influence. The equity method investor is required to add the cost of acquiring the additional interest in the investee to the current basis of the investor's previously held interest and adopt the equity method of accounting as of the date the investment becomes qualified for equity method accounting. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

Note 2—U.S. and Europe Retrospective Responsibility Plans

U.S. Retrospective Responsibility Plan

Under the terms of the U.S. retrospective responsibility plan, the Company maintains an escrow account from which settlements of, or judgments in, certain litigation referred to as the "U.S. covered litigation" are paid. The escrow funds are held in money market investments along with interest income earned, less applicable taxes, and are classified as restricted cash on the consolidated balance sheets. The balance of the escrow account was $0.9 billion at December 31, 2017 and $1.0 billion at September 30, 2017. The Company paid $150 million from the litigation escrow account during the three months ended December 31, 2017. See Note 11—Legal Matters.

The accrual related to the U.S. covered litigation could be either higher or lower than the litigation escrow account balance. The Company did not record an additional accrual for the U.S. covered litigation during the three months ended December 31, 2017. See Note 11—Legal Matters.

Europe Retrospective Responsibility Plan

The Company, Visa Europe or their affiliates are parties to certain existing and potential litigation relating to the setting of multilateral interchange fee rates in the Visa Europe territory (the "VE territory covered litigation"). Under the terms of the Europe retrospective responsibility plan, the Company is entitled to recover certain losses resulting from VE territory covered litigation (the "VE territory covered losses") through a periodic adjustment to the class A common stock conversion rates applicable to the UK&I and Europe preferred stock. VE territory covered losses are recorded in "right to recover for covered losses" within equity before the corresponding adjustment to the applicable conversion rate is effected. Adjustments to the conversion rate may be executed once in any six-month period unless a single, individual loss greater than €20 million is incurred, in which case, the six-month limitation does not apply. When the adjustment to the conversion rate is made, the amount previously recorded in "right to recover for covered losses" as contra-equity is then recorded against the book value of the preferred stock within stockholders' equity.

During the three months ended December 31, 2017, the Company recovered $50 million of VE territory covered losses through adjustments to the class A common stock conversion rates applicable to the UK&I and Europe preferred stock, from 13.077 and 13.948, respectively, at September 30, 2017 to 12.966 and 13.893, respectively, at December 31, 2017.

8

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

The following table sets forth the activities related to VE territory covered losses in preferred stock and "right to recover for covered losses" within equity during the three months ended December 31, 2017. VE territory covered losses incurred reflect settlements with merchants and additional legal costs. See Note 11—Legal Matters.

	Preferred Stock						Right to Recover for Covered Losses
	UK&I			Europe
	(in millions)
Balance as of September 30, 2017	$	2,326		$	3,200		$	(52	)
VE territory covered losses incurred	—			—			(3		)
Recovery through conversion rate adjustment	(31		)	(19		)	50
Balance as of December 31, 2017	$	2,295		$	3,181		$	(5	)

The following table sets forth the as-converted value of the preferred stock available to recover VE territory covered losses compared to the book value of preferred shares recorded in stockholders' equity within the Company's unaudited consolidated balance sheet as of December 31, 2017 and September 30, 2017.⁽¹⁾

	December 31, 2017						September 30, 2017
	As-Converted Value of Preferred Stock(2)			Book Value of Preferred Stock			As-Converted Value of Preferred Stock(3)			Book Value of Preferred Stock
	(in millions)
UK&I preferred stock	$	3,667		$	2,295		$	3,414		$	2,326
Europe preferred stock	5,001			3,181			4,634			3,200
Total	8,668			5,476			8,048			5,526
Less: right to recover for covered losses	(5		)	(5		)	(52		)	(52		)
Total recovery for covered losses available	$	8,663		$	5,471		$	7,996		$	5,474

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted and book values are based on unrounded numbers.

⁽²⁾  The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of December 31, 2017; (b)12.966 and 13.893, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of December 31, 2017, respectively; and (c) $114.02, Visa's class A common stock closing stock price as of December 31, 2017.

⁽³⁾  The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of September 30, 2017; (b)13.077 and 13.948, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of September 30, 2017, respectively; and (c) $105.24, Visa's class A common stock closing stock price as of September 30, 2017.

9

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

Note 3—Fair Value Measurements and Investments

Fair Value Measurements

Assets and Liabilities Measured at Fair Value on a Recurring Basis

	Fair Value Measurements Using Inputs Considered as
	Level 1				Level 2
	December 31, 2017		September 30, 2017		December 31, 2017		September 30, 2017
	(in millions)
Assets
Cash equivalents and restricted cash:
Money market funds	$	5,918	$	5,935
U.S. government-sponsored debt securities					$	567	$	2,870
Investment securities, trading:
Equity securities	106		82
Investment securities, available-for-sale:
U.S. government-sponsored debt securities					3,530		3,663
U.S. Treasury securities	2,337		1,621
Equity securities	114		124
Prepaid and other current assets:
Foreign exchange derivative instruments					26		18
Total	$	8,475	$	7,762	$	4,123	$	6,551
Liabilities
Accrued liabilities:
Foreign exchange derivative instruments					$	65	$	98
Total	$	—	$	—	$	65	$	98

There were no transfers between Level 1 and Level 2 assets during the three months ended December 31, 2017.

Level 1 assets measured at fair value on a recurring basis. Money market funds, publicly-traded equity securities and U.S. Treasury securities are classified as Level 1 within the fair value hierarchy, as fair value is based on quoted prices in active markets.

Level 2 assets and liabilities measured at fair value on a recurring basis. The fair value of U.S. government-sponsored debt securities, as provided by third-party pricing vendors, is based on quoted prices in active markets for similar, not identical, assets. The pricing data obtained from outside sources is reviewed internally for reasonableness, compared against benchmark quotes from independent pricing sources, then confirmed or revised accordingly. Foreign exchange derivative instruments are valued using inputs that are observable in the market or can be derived principally from or corroborated by observable market data. There were no substantive changes to the valuation techniques and related inputs used to measure fair value during the three months ended December 31, 2017.

Assets Measured at Fair Value on a Non-recurring Basis

Non-marketable equity investments and investments accounted for under the equity method. These investments are classified as Level 3 due to the absence of quoted market prices, the inherent lack of liquidity, and the fact that inputs used to measure fair value are unobservable and require management's judgment. When certain events or circumstances indicate that impairment may exist, the Company revalues the investments using various assumptions, including the financial metrics and ratios of comparable public companies. There were no significant impairments during the three months ended December 31, 2017 or 2016. These investments totaled $99 million and $94 million at December 31, 2017 and September 30, 2017, respectively, and are classified in other assets on the consolidated balance sheets.

10

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

Non-financial assets and liabilities. Long-lived assets such as goodwill, indefinite-lived intangible assets, finite-lived intangible assets, and property, equipment and technology are considered non-financial assets. The Company does not have any non-financial liabilities measured at fair value on a non-recurring basis. Finite-lived intangible assets primarily consist of customer relationships, trade names and reseller relationships, all of which were obtained through acquisitions.

If the Company were required to perform a quantitative assessment for impairment testing of goodwill and indefinite-lived intangible assets, the fair values would generally be estimated using an income approach. As the assumptions employed to measure these assets on a non-recurring basis are based on management's judgment using internal and external data, these fair value determinations are classified as Level 3 in the fair value hierarchy. The Company completed its annual impairment review of its indefinite-lived intangible assets and goodwill as of February 1, 2017, and concluded that there was no impairment. No recent events or changes in circumstances indicate that impairment existed at December 31, 2017.

Other Fair Value Disclosures

Long-term debt. Debt instruments are measured at amortized cost on the Company's unaudited consolidated balance sheet at December 31, 2017. The fair value of the debt instruments, as provided by third-party pricing vendors, is based on quoted prices in active markets for similar, not identical, assets. The pricing data obtained from outside sources is reviewed internally for reasonableness, compared against benchmark quotes from independent pricing sources, then confirmed or revised accordingly. If measured at fair value in the financial statements, these instruments would be classified as Level 2 in the fair value hierarchy.

The following table presents the carrying amount and estimated fair value of the Company’s debt in order of maturity:

	December 31, 2017				September 30, 2017
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
	(in millions)
1.20% Senior Notes due December 2017	$	—	$	—	$	1,749	$	1,751
2.20% Senior Notes due December 2020	2,991		2,998		2,990		3,031
2.15% Senior Notes due September 2022	993		986		993		997
2.80% Senior Notes due December 2022	2,240		2,283		2,240		2,301
3.15% Senior Notes due December 2025	3,969		4,089		3,967		4,098
2.75% Senior Notes due September 2027	740		740		740		737
4.15% Senior Notes due December 2035	1,486		1,665		1,485		1,637
4.30% Senior Notes due December 2045	3,462		3,983		3,463		3,873
3.65% Senior Notes due September 2047	740		770		740		746
Total	$	16,621	$	17,514	$	18,367	$	19,171

Other financial instruments not measured at fair value. The following financial instruments are not measured at     fair value on the Company's unaudited consolidated balance sheet at December 31, 2017, but disclosure of their fair values is required: time deposits recorded in prepaid expenses and other current assets, settlement receivable and payable, commercial paper and customer collateral. The estimated fair value of such instruments at December 31, 2017 approximates their carrying value due to their generally short maturities. If measured at fair value in the financial statements, these financial instruments would be classified as Level 2 in the fair value hierarchy.

Investments

Available-for-sale investment securities. The Company had $110 million in gross unrealized gains and $12 million in gross unrealized losses at December 31, 2017. There were $120 million gross unrealized gains and $4 million gross unrealized losses at September 30, 2017. A majority of the Company's available-for-sale investment securities with stated maturities are due within one to two years.

11

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

Note 4—Debt

The Company had outstanding debt as follows:

	December 31, 2017							September 30, 2017
	Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Effective Interest Rate
	(in millions, except percentages)
1.20% Senior Notes due December 2017 (the "2017 Notes")	$	—	$	—		$	—	$	1,750	$	(1	)	$	1,749	1.37	%
Total current maturities of long-term debt	—		—			—		1,750		(1		)	1,749
2.20% Senior Notes due December 2020	3,000		(9		)	2,991		3,000		(10		)	2,990		2.30	%
2.15% Senior Notes due September 2022	1,000		(7		)	993		1,000		(7		)	993		2.30	%
2.80% Senior Notes due December 2022	2,250		(10		)	2,240		2,250		(10		)	2,240		2.89	%
3.15% Senior Notes due December 2025	4,000		(31		)	3,969		4,000		(33		)	3,967		3.26	%
2.75% Senior Notes due September 2027	750		(10		)	740		750		(10		)	740		2.91	%
4.15% Senior Notes due December 2035	1,500		(14		)	1,486		1,500		(15		)	1,485		4.23	%
4.30% Senior Notes due December 2045	3,500		(38		)	3,462		3,500		(37		)	3,463		4.37	%
3.65% Senior Notes due September 2047	750		(10		)	740		750		(10		)	740		3.73	%
Total long-term debt	16,750		(129		)	16,621		16,750		(132		)	16,618
Total debt	$	16,750	$	(129	)	$	16,621	$	18,500	$	(133	)	$	18,367

Senior Notes

On October 11, 2017, the Company redeemed all of the $1.75 billion principal amount outstanding of the 2017 Notes. The redemption was funded with net proceeds from new fixed-rate senior notes issued by the Company in September 2017. As a result of this redemption, we recorded a $1 million loss on extinguishment of debt during the three months ended December 31, 2017.

The Company recognized interest expense for the senior notes of $138 million and $125 million for the three months ended December 31, 2017 and 2016, respectively, as non-operating expense.

Note 5—Settlement Guarantee Management

The Company indemnifies its clients for settlement losses suffered due to failure of any other clients to fund its settlement obligations in accordance with the Visa rules. This indemnification creates settlement risk for the Company due to the difference in timing between the date of a payment transaction and the date of subsequent settlement. The Company’s settlement exposure is limited to the amount of unsettled Visa payment transactions at any point in time. The Company requires certain clients that do not meet its credit standards to post collateral to offset potential loss from their estimated unsettled transactions. The Company’s estimated maximum settlement exposure was $71.3 billion during the three months ended December 31, 2017, compared to $67.7 billion during the three months ended September 30, 2017. Of these amounts, $4.5 billion and $2.8 billion were covered by collateral at December 31, 2017 and September 30, 2017, respectively. The total available collateral balances presented in the table below were greater than the settlement exposure covered by customer collateral held due to instances in which the available collateral exceeded the total settlement exposure for certain financial institutions at each date presented.

12

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

The Company maintained collateral as follows:

	December 31, 2017		September 30, 2017
	(in millions)
Cash equivalents(1)	$	1,569	$	1,490
Pledged securities at market value	169		167
Letters of credit	1,319		1,316
Guarantees	617		941
Total	$	3,674	$	3,914

⁽¹⁾  Cash collateral held by Visa Europe is not included on the Company's consolidated balance sheets as its clients retain beneficial ownership and the cash is only accessible to the Company in the event of default by the client on its settlement obligations.

The fair value of the settlement risk guarantee is estimated based on a proprietary probability-weighted model and was approximately $3 millionat December 31, 2017 and September 30, 2017. These amounts are reflected in accrued liabilities on the Company's consolidated balance sheets.

Note 6—Pension and Other Postretirement Benefits

The Company sponsors various qualified and non-qualified defined benefit pension and other postretirement benefit plans that provide for retirement and medical benefits for all eligible employees residing in the United States. The Company also sponsors other pension benefit plans that provide benefits for internationally-based employees at certain non-U.S. locations. The components of net periodic benefit cost presented below include the U.S. pension and other postretirement benefit plans and the non-U.S. pension plans, comprising only the Visa Europe plans. Disclosures relating to other non-U.S. pension benefit plans are not included as they are immaterial, individually and in aggregate.

	U.S. Plans											Non-U.S. Plans
	Pension Benefits						Other Postretirement Benefits					Pension Benefits
	Three Months Ended December 31,						Three Months Ended December 31,					Three Months Ended December 31,
	2017			2016			2017		2016			2017			2016
	(in millions)
Service cost	$	—		$	—		$	—	$	—		$	1		$	2
Interest cost	8			9			—		—			3			3
Expected return on plan assets	(17		)	(18		)	—		—			(5		)	(4		)
Amortization of:
Prior service credit	—			—			—		(1		)	—			—
Actuarial loss	—			4			—		—			—			—
Settlement loss	—			2			—		—			—			—
Total net periodic benefit cost	$	(9	)	$	(3	)	$	—	$	(1	)	$	(1	)	$	1

13

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

Note 7—Stockholders' Equity

As-Converted Class A Common Stock. The number of shares of each series and class and the number of shares of class A common stock on an as-converted basis at December 31, 2017, are as follows:

(in millions, except conversion rates)	Shares Outstanding	Conversion Rate Into Class A Common Stock		As-converted Class A Common Stock(1)
UK&I preferred stock	2	12.9660		32
Europe preferred stock	3	13.8930		44
Class A common stock(2)	1,805	—		1,805
Class B common stock	245	1.6483	(3)	405
Class C common stock	12	4.0000		49
Total				2,335

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted class A common stock is calculated based on unrounded numbers.

⁽²⁾  Class A common stock shares outstanding exclude repurchases traded but not yet settled on or before December 31, 2017.

⁽³⁾  The class B to class A common stock conversion rate is presented on a rounded basis. Conversion calculations for dividend payments are based on a conversion rate rounded to the tenth decimal.

Reduction in as-converted shares. During the three months ended December 31, 2017, total as-converted class A common stock was reduced by 17 million shares at an average price of $110.27 per share. Of the 17 million shares, 16 million were repurchased in the open market using $1.8 billion of operating cash on hand. Additionally, the Company recovered $50 million of VE territory covered losses in accordance with the Europe retrospective responsibility plan. The recovery has the same economic effect on earnings per share as repurchasing the Company's class A common stock, because it reduces the UK&I and Europe preferred stock conversion rates and consequently the as-converted class A common stock share count. See Note 2—U.S. and Europe Retrospective Responsibility Plans.

The following table presents share repurchases in the open market.⁽¹⁾ 

(in millions, except per share data)	Three Months Ended December 31, 2017
Shares repurchased in the open market(2)	16
Average repurchase price per share(3)	$	110.24
Total cost	$	1,778

⁽¹⁾   Shares repurchased in the open market reflect repurchases settled during the three months ended December 31, 2017. These amounts include repurchases traded but not yet settled on or before September 30, 2017 and exclude repurchases traded but not yet settled on or before December 31, 2017.

⁽²⁾  All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

⁽³⁾  Figures in the table may not recalculate exactly due to rounding. Average repurchase price per share is calculated based on unrounded numbers.

As of December 31, 2017, the Company's April 2017 share repurchase program had remaining authorized funds of $2.1 billion for share repurchase. All share repurchase programs authorized prior to April 2017 have been completed. In January 2018, the Company's board of directors authorized an additional $7.5 billion share repurchase program.

Under the terms of the Europe retrospective responsibility plan, the Company is entitled to recover VE territory covered losses through periodic adjustments to the class A common stock conversion rates applicable to the UK&I and Europe preferred stock. See Note 2—U.S. and Europe Retrospective Responsibility Plans.

14

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

The following table presents as-converted UK&I and Europe preferred stock, after the Company recovered VE territory covered losses through conversion rate adjustments, for the three months ended December 31, 2017.

	Three Months Ended December 31, 2017
(in millions, except per share data)	UK&I Preferred Stock		Europe Preferred Stock
Reduction in equivalent number of shares of class A common stock(1)	—		—
Effective price per share(2)	$	111.32	$	111.32
Recovery through conversion rate adjustment	$	31	$	19

⁽¹⁾  The reduction in equivalent number of shares of class A common stock was less than one million shares for both series of preferred stock.

⁽²⁾  Effective price per share is calculated using the volume-weighted average price of the Company's class A common stock over a pricing period in accordance with the Company's current certificates of designations for its series B and C convertible participating preferred stock.

Dividends. In January 2018, the Company’s board of directors declared a quarterly cash dividend of $0.21 per share of class A common stock (determined in the case of class B and C common stock and UK&I and Europe preferred stock on an as-converted basis). The cash dividend will be paid on March 6, 2018, to all holders of record of the Company's common and preferred stock as of February 16, 2018. The Company declared and paid $458 million in dividends to holders of the Company's common stock during the three months ended December 31, 2017.

Note 8—Earnings Per Share

Basic earnings per share is computed by dividing net income available to each class by the weighted-average number of shares of common stock outstanding and participating securities during the period. Net income is allocated to each class of common stock and participating securities based on its proportional ownership on an as-converted basis. The weighted-average number of shares of each class of common stock outstanding reflects changes in ownership over the periods presented. See Note 7—Stockholders' Equity.

Diluted earnings per share is computed by dividing net income available by the weighted-average number of shares of common stock outstanding, participating securities and, if dilutive, potential class A common stock equivalent shares outstanding during the period. Dilutive class A common stock equivalents may consist of: (1) shares of class A common stock issuable upon the conversion of UK&I and Europe preferred stock and class B and C common stock based on the conversion rates in effect through the period, and (2) incremental shares of class A common stock calculated by applying the treasury stock method to the assumed exercise of employee stock options, the assumed purchase of stock under the Employee Stock Purchase Plan and the assumed vesting of unearned performance shares.

The following table presents earnings per share for the three months ended December 31, 2017.⁽¹⁾

	Basic Earnings Per Share					Diluted Earnings Per Share
	(in millions, except per share data)
	Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)	Earnings per Share = (A)/(B)		Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)		Earnings per Share = (A)/(B)
Class A common stock	$	1,945	1,811	$	1.07	$	2,522	2,353	(3)	$	1.07
Class B common stock	435		245	$	1.77	$	434	245		$	1.77
Class C common stock	54		13	$	4.30	$	54	13		$	4.29
Participating securities(4)	88		Not presented	Not presented		$	87	Not presented		Not presented
Net income	$	2,522

15

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

The following table presents earnings per share for the three months ended December 31, 2016.⁽¹⁾ 

	Basic Earnings Per Share					Diluted Earnings Per Share
	(in millions, except per share data)
	Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)	Earnings per Share = (A)/(B)		Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)		Earnings per Share = (A)/(B)
Class A common stock	$	1,594	1,860	$	0.86	$	2,070	2,421	(3)	$	0.86
Class B common stock	347		245	$	1.41	$	346	245		$	1.41
Class C common stock	57		17	$	3.43	$	57	17		$	3.42
Participating securities(4)	72		Not presented	Not presented		$	72	Not presented		Not presented
Net income	$	2,070

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

⁽²⁾  Net income is allocated based on proportional ownership on an as-converted basis. The weighted-average number of shares of as-converted class B common stock used in the income allocation was 405 million for the three months ended December 31, 2017 and 2016. The weighted-average number of shares of as-converted class C common stock used in the income allocation was 51 million and 67 million for the three months ended December 31, 2017 and 2016, respectively. The weighted-average number of shares of preferred stock, included within participating securities, was 32 million and 35 million of as-converted UK&I preferred stock for the three months ended December 31, 2017 and 2016, respectively, and 44 million of as-converted Europe preferred stock for the three months ended December 31, 2017 and 2016.

⁽³⁾  Weighted-average diluted shares outstanding are calculated on an as-converted basis, and include incremental common stock equivalents, as calculated under the treasury stock method. The computation includes approximately 5 million common stock equivalents for the three months ended December 31, 2017 and 2016, because their effect would be dilutive. The computation excludes 2 million and 3 million of common stock equivalents for the three months ended December 31, 2017 and 2016, respectively, because their effect would have been anti-dilutive.

⁽⁴⁾  Participating securities include preferred stock outstanding and unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents, such as the Company's UK&I and Europe preferred stock, restricted stock awards, restricted stock units and earned performance-based shares. Participating securities' income is allocated based on the weighted-average number of shares of as-converted stock.

Note 9—Share-based Compensation

The Company granted the following equity awards to employees and non-employee directors under the 2007 Equity Incentive Compensation Plan during the three months ended December 31, 2017:

	Granted	Weighted-Average Grant Date Fair Value		Weighted-Average Exercise Price
Non-qualified stock options	1,622,760	$	17.88	$	109.82
Restricted stock units ("RSUs")	2,626,011	$	109.82
Performance-based shares(1)	641,498	$	120.11

⁽¹⁾   Represents the maximum number of performance-based shares which could be earned.

The Company’s non-qualified stock options and RSUs are equity awards with service-only conditions and are accordingly expensed on a straight-line basis over the vesting period. The Company's performance-based shares are equity awards with service, market and performance conditions that are accounted for using the graded-vesting method. The Company recorded share-based compensation cost of $68 million for the three months ended December 31, 2017, net of estimated forfeitures, which are adjusted as appropriate.

16

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

Note 10—Income Taxes

The effective income tax rates were 22% and 31% for the three months ended December 31, 2017 and 2016, respectively. The effective tax rate for the three months ended December 31, 2017 differs from the effective tax rate in the same prior-year period primarily due to U.S. tax reform legislation, commonly referred to as the Tax Cuts and Jobs Act (the "Tax Act”), enacted on December 22, 2017. The Tax Act transitions the U.S. tax system to a new territorial system and lowers the statutory federal corporate income tax rate from 35% to 21%.

The reduction of the statutory federal corporate tax rate to 21% became effective on January 1, 2018. In fiscal 2018, the Company’s statutory federal corporate rate is a blended rate of 24.5%, which will be reduced to 21% in fiscal 2019 and thereafter.

As a result of the reduction in the federal corporate tax rate, the Company remeasured its net deferred tax liabilities as of the enactment date of the Tax Act. The deferred tax remeasurement resulted in a one-time, non-cash tax benefit estimated to be approximately $1.1 billion, recorded in the three months ended December 31, 2017.

In transitioning to the new territorial tax system, the Tax Act requires the Company to include certain untaxed foreign earnings of non-U.S. subsidiaries in its fiscal 2018 taxable income. Such foreign earnings are subject to a one-time tax at 15.5% on the amount held in cash or cash equivalents, and at 8% on the remaining non-cash amount. The 15.5% and 8% tax, collectively referred to as the “transition tax”, was estimated to be $1.1 billion, and was recorded in the three months ended December 31, 2017. The Company intends to elect to pay the transition tax over a period of eight years as permitted by the Tax Act.

The above-mentioned accounting impacts of the deferred tax remeasurement and transition tax are provisional, based on currently available information and technical guidance on the interpretations of the new law. The Company continues to obtain and analyze additional information and guidance as they become available to complete the accounting for the tax impacts of the Tax Act. Additional information currently unavailable that is needed to complete the analysis includes, but is not limited to, foreign tax returns and foreign tax documentation for the computation of foreign tax credits, the final determination of the untaxed foreign earnings subject to the transition tax, and the final determination of the net deferred tax liabilities subject to remeasurement. The provisional accounting impacts may change in future reporting periods until the accounting analysis is finalized, which will occur no later than the first quarter of fiscal 2019, as permitted by Staff Accounting Bulletin 118.

The Tax Act also introduces several tax provisions, including:

• Tax on global intangible low-tax income, which, in general, is determined annually based on the Company’s aggregate foreign subsidiaries’ income in excess of certain qualified business asset investment return. This provision is effective for the Company on October 1, 2018. The Company needs additional information to complete its analysis on whether to adopt an accounting policy to account for the tax effects of global intangible low-tax income in the period that it is subject to such tax, or to provide deferred taxes for book and tax basis differences that, upon reversal, may be subject to such tax. Hence, the Company has not recorded any tax on global intangible low-tax income in the three months ended December 31, 2017. The Company will make an accounting policy election no later than the first quarter of fiscal 2019.

• Base erosion and anti-abuse tax, which, in general, functions like a minimum tax that partially disallows deductions for certain related party transactions. This new minimum tax is determined on a year-by-year basis, and this provision is effective for the Company on October 1, 2018. Hence, no base erosion anti-abuse tax was recorded in the three months ended December 31, 2017.

• Deduction for foreign-derived intangible income, which, in general, allows a deduction of certain intangible income derived from serving foreign markets. This provision is effective for the Company on October 1, 2018. Hence, the Company has not recorded the impact of this provision in the three months ended December 31, 2017.

17

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

• Other new tax provisions, which disallow certain deductions related to entertainment expenses, fringe benefits provided to employees, executive compensation, and fines or penalties or similar payments to governments. The Company has recorded provisional amounts for the tax effects of these new provisions in the three months ended December 31, 2017, based on information currently available. The provisional amounts may change in future reporting periods when additional information is obtained and analyzed, which will occur no later than the first quarter of fiscal 2019.

During the three months ended December 31, 2017, the Company's gross unrecognized tax benefits increased by $44 million. The Company's net unrecognized tax benefits that, if recognized, would favorably impact the effective tax rate increased by $38 million. The increase in unrecognized tax benefits is primarily related to various tax positions across several jurisdictions. During the three months ended December 31, 2017 and 2016, there were no significant changes in interest and penalties related to uncertain tax positions.

The Company’s tax filings are subject to examination by the U.S. federal, state and foreign taxing authorities. The timing and outcome of the final resolutions of the various ongoing income tax examinations are highly uncertain. It is not reasonably possible to estimate the increase or decrease in unrecognized tax benefits within the next twelve months.

Note 11—Legal Matters

The Company is party to various legal and regulatory proceedings. Some of these proceedings involve complex claims that are subject to substantial uncertainties and unascertainable damages. Accordingly, except as disclosed, the Company has not established reserves or ranges of possible loss related to these proceedings, as at this time in the proceedings, the matters do not relate to a probable loss and/or the amount or range of losses are not reasonably estimable. Although the Company believes that it has strong defenses for the litigation and regulatory proceedings described below, it could, in the future, incur judgments or fines or enter into settlements of claims that could have a material adverse effect on the Company's financial position, results of operations or cash flows. From time to time, the Company may engage in settlement discussions or mediations with respect to one or more of its outstanding litigation matters, either on its own behalf or collectively with other parties.

The litigation accrual is an estimate and is based on management’s understanding of its litigation profile, the specifics of each case, advice of counsel to the extent appropriate and management’s best estimate of incurred loss as of the balance sheet date.

The following table summarizes the activity related to accrued litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	982		$	981
Provision for uncovered legal matters	—			15
Accrual of VE territory covered litigation	—			86
Payments on legal matters	(152		)	(88		)
Balance at end of period	$	830		$	994

Accrual Summary—U.S. Covered Litigation

Visa Inc., Visa U.S.A. and Visa International are parties to certain legal proceedings that are covered by the U.S. retrospective responsibility plan, which the Company refers to as the U.S. covered litigation. See Note 2—U.S. and Europe Retrospective Responsibility Plans. An accrual for the U.S. covered litigation and a charge to the litigation provision are recorded when a loss is deemed to be probable and reasonably estimable. In making this determination, the Company evaluates available information, including but not limited to actions taken by the litigation committee. The total accrual related to the U.S. covered litigation could be either higher or lower than the escrow account balance.

18

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

The following table summarizes the activity related to U.S. covered litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	978		$	978
Payments on U.S. covered litigation	(150		)	—
Balance at end of period	$	828		$	978

Accrual Summary—VE Territory Covered Litigation

Visa Inc., Visa International and Visa Europe are parties to certain legal proceedings that are covered by the Europe retrospective responsibility plan. Unlike the U.S. retrospective responsibility plan, the Europe retrospective responsibility plan does not have an escrow account that is used to fund settlements or judgments. The Company is entitled to recover VE territory covered losses through periodic adjustments to the conversion rates applicable to the UK&I preferred stock and Europe preferred stock. An accrual for the VE territory covered losses and a reduction to stockholders' equity will be recorded when the loss is deemed to be probable and reasonably estimable. See further discussion below under VE Territory Covered Litigation and Note 2—U.S. and Europe Retrospective Responsibility Plans.

The following table summarizes the activity related to VE territory covered litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	1		$	2
Accrual for VE territory covered litigation	—			86
Payments on VE territory covered litigation	(1		)	(88		)
Balance at end of period	$	—		$	—

U.S. Covered Litigation

Interchange Multidistrict Litigation (MDL) – Individual Merchant Actions

A number of individual merchant actions previously filed have been settled, and remain settled. In addition, following the automatic termination of the settlement agreement with Wal-Mart Stores Inc., Visa and Wal-Mart Stores Inc. entered into a new, unconditional settlement agreement on October 31, 2017. Consequently, as of the filing date, Visa has reached settlement agreements with individual merchants representing approximately 51% of the Visa-branded payment card sales volume of merchants who opted out of the 2012 Settlement Agreement.

VE Territory Covered Litigation

UK Merchant Litigation

Since July 2013, in excess of 300 Merchants (the capitalized term "Merchant," when used in this section, means a merchant together with subsidiary/affiliate companies that are party to the same claim) have commenced proceedings against Visa Europe, Visa Inc. and Visa International relating to interchange rates in Europe. They seek damages for alleged anti-competitive conduct in relation to one or more of the following types of interchange fees for credit and debit card transactions: UK domestic, Irish domestic, other European domestic, intra-European Economic Area and/or other inter-regional. As of the filing date, Visa Europe, Visa Inc. and Visa International have settled the claims asserted by over 75 Merchants, leaving more than 200 Merchants with outstanding claims.

19

VISA INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

In November 2016, a trial commenced relating to claims filed by a number of Merchants. All of these Merchants except one settled before the trial concluded in March 2017. On November 30, 2017, the court found entirely in Visa’s favor and entered judgment dismissing the remaining claim. An appeal has been lodged, and the Court of Appeal listed the matter for hearing in April 2018. A further judgment on exemption issues is expected to be released in early 2018, which will not change the overall finding on liability set out in the November 30, 2017 judgment.

In addition, over 30 additional Merchants have threatened to commence similar proceedings. Standstill agreements have been entered into with respect to some of those Merchants' claims. While the amount of interchange being challenged could be substantial, these claims have not yet been filed and their full scope is not yet known. The Company has learned that several additional European entities have indicated that they may also bring similar claims and the Company anticipates additional claims in the future.

Other Litigation

Canadian Competition Proceedings

Merchant Litigation. The court in Quebec held a class certification hearing in November 2017 and reserved decision.

Black Card

On December 28, 2017, Black Card LLC ("Black Card") filed a lawsuit against Visa Inc., Visa U.S.A. Inc., and certain Visa member financial institutions in the U.S. District Court for the Western District of Wisconsin. The complaint alleges that defendants conspired to impede Black Card's business in violation of Section 1 of the Sherman Act and fraudulently concealed their conduct. Black Card seeks treble damages, post-judgment interest, and attorneys' fees.

This action follows a lawsuit filed by Black Card in the U.S. District Court for the District of Wyoming in February 2015 relating to a contractual dispute. The District Court in Wyoming granted Visa's motions for summary judgment and the matter was dismissed. Black Card appealed this decision to the U.S. Court of Appeals for the Tenth Circuit on May 10, 2017.

20

ITEM 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

This management’s discussion and analysis provides a review of the results of operations, financial condition and the liquidity and capital resources of Visa Inc. and its subsidiaries (“Visa,” “we,” "us," “our” or the “Company”) on a historical basis and outlines the factors that have affected recent earnings, as well as those factors that may affect future earnings. The following discussion and analysis should be read in conjunction with our unaudited consolidated financial statements and related notes included elsewhere in this report.

Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 that relate to, among other things, our future operations, prospects, developments, strategies and growth of our business; integration of Visa Europe, including the migration of European activity to VisaNet and anticipated benefits for our European clients; anticipated expansion of our products in certain countries; industry developments; expectations regarding litigation matters, investigations and proceedings; timing and amount of stock repurchases; sufficiency of sources of liquidity and funding; effectiveness of our risk management programs; and expectations regarding the impact of recent accounting pronouncements on our consolidated financial statements. Forward-looking statements generally are identified by words such as "believes," "estimates," "expects," "intends," "may," "projects," “could," "should," "will," "continue" and other similar expressions. All statements other than statements of historical fact could be forward-looking statements, which speak only as of the date they are made, are not guarantees of future performance and are subject to certain risks, uncertainties and other factors, many of which are beyond our control and are difficult to predict. We describe risks and uncertainties that could cause actual results to differ materially from those expressed in, or implied by, any of these forward-looking statements in our SEC filings, including our Annual Report on Form 10-K, for the year ended September 30, 2017 and our subsequent reports on Forms 10-Q and 8-K. Except as required by law, we do not intend to update or revise any forward-looking statements as a result of new information, future events or otherwise.

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Overview

Visa is a global payments technology company that enables fast, secure and reliable electronic payments across more than 200 countries and territories. We facilitate global commerce through the transfer of value and information among a global network of consumers, merchants, financial institutions, businesses, strategic partners and government entities. Our advanced transaction processing network, VisaNet, enables authorization, clearing and settlement of payment transactions and allows us to provide our financial institution and merchant clients a wide range of products, platforms and value-added services.

Overall economic conditions. Our business is affected by overall economic conditions and consumer spending. Our business performance during the three months ended December 31, 2017 reflects continued uneven economic growth around the world.

U.S. Tax Reform Legislation. On December 22, 2017, the U.S. government enacted comprehensive tax reform legislation commonly referred to as the Tax Cuts and Jobs Act (the "Tax Act"). The Tax Act transitions the U.S. tax system to a new territorial system and lowers the statutory federal corporate income tax rate. As a result of the reduction in the federal corporate income tax rate, we remeasured our net deferred tax liabilities as of the enactment date and the remeasurement resulted in a one-time, non-cash tax benefit estimated to be approximately $1.1 billion, recorded in the three months ended December 31, 2017. In transitioning to the new territorial system, the Tax Act requires us to include certain untaxed foreign earnings of non-U.S. subsidiaries in our fiscal 2018 taxable income. This tax, referred to as the "transition tax", was estimated to be $1.1 billion and recorded in the three months ended December 31, 2017. See Note 10—Income Taxesto our unaudited consolidated financial statements.

Financial highlights. Ourfinancial results for the three months ended December 31, 2017 reflect the impact of certain significant items that we believe are not indicative of our operating performance in these or future periods, as they were either non-recurring or had no cash impact. There were no comparable adjustments recorded for the three months ended December 31, 2016. Our as-reported U.S. GAAP and adjusted non-GAAP net income and diluted earnings per share for these periods are as follows:

	Three Months Ended December 31,
(in millions, except percentages and per share data)	2017		2016		% Change(1)
Net income, as reported	$	2,522	$	2,070	22	%
Diluted earnings per share, as reported	$	1.07	$	0.86	25	%
Net income, as adjusted(2)	$	2,536	$	2,070	23	%
Diluted earnings per share, as adjusted(2)	$	1.08	$	0.86	26	%

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

⁽²⁾  For a full reconciliation of our adjusted financial results, see tables in Adjusted financial results below.

We recorded net operating revenues of $4.9 billion for the three months ended December 31, 2017, an increase of 9% over the prior-year comparable period, reflecting continued growth in nominal payments volume, processed transactions and nominal cross-border volume. The effect of exchange rate movements in the three months ended December 31, 2017, as partially mitigated by our hedging program, resulted in an approximately one percentage point positive impact to our net operating revenue growth.

Total operating expenses for the three months ended December 31, 2017 were $1.5 billion, an increase of 13%, over the prior-year comparable period. The increase in the period was primarily due to increases in personnel expenses, general and administrative expenses, network and processing expenses and professional fees as we continue to invest to support growth.

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Adjusted financial results. Our financial results for the three months ended December 31, 2017 reflect the impact of certain significant items that we do not believe are indicative of our ongoing operating performance in this period or future periods, as they were either non-recurring or had no cash impact. As such, we believe the presentation of adjusted financial results excluding the following items provides a clearer understanding of our operating performance for the periods presented. There were no comparable adjustments recorded for the three months ended December 31, 2016.

• Remeasurement of deferred tax balances. During the three months ended December 31, 2017, in connection with the Tax Act's reduction of the corporate income tax rate, we remeasured our net deferred tax liabilities as of the enactment date, resulting in the recognition of a non-recurring, non-cash income tax benefit estimated to be approximately $1.1 billion.

• Transition tax on foreign earnings. During the three months ended December 31, 2017, in connection with the Tax Act's requirement that we include certain untaxed foreign earnings of non-U.S. subsidiaries in our fiscal 2018 taxable income, we recorded a one-time transition tax estimated to be approximately $1.1 billion.

See Note 10—Income Taxesto our unaudited consolidated financial statements.

Adjusted financial results are non-GAAP financial measures and should not be relied upon as substitutes for measures calculated in accordance with U.S. GAAP. The following table reconciles our as-reported financial measures calculated in accordance with U.S. GAAP, to our respective non-GAAP adjusted financial measures for the three months ended December 31, 2017. There were no comparable adjustments recorded for the three months ended December 31, 2016.

	Three Months Ended December 31, 2017
(in millions, except per share data)	Income Tax Provision			Net Income			Diluted Earnings Per Share(1)
As reported	$	717		$	2,522		$	1.07
Remeasurement of deferred tax balances	1,133			(1,133		)	(0.48		)
Transition tax on foreign earnings	(1,147		)	1,147			0.49
As adjusted	$	703		$	2,536		$	1.08

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Diluted earnings per share and its respective total are calculated based on unrounded numbers.

Common stock repurchases. During the three months ended December 31, 2017, we repurchased 16 million shares of our class A common stock in the open market using $1.8 billion of cash on hand. As of December 31, 2017, we had remaining authorized funds of $2.1 billion for share repurchase. In January 2018, our board of directors authorized an additional $7.5 billion share repurchase program. See Note 7—Stockholders' Equity to our unaudited consolidated financial statements.

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Nominal payments volume and transaction counts. Payments volume is the primary driver for our service revenues, and the number of processed transactions is the primary driver for our data processing revenues. Nominal payments volume over the prior year posted high single-digit growth in the United States, driven mainly by consumer credit. Growth on a constant-dollar basis, which excludes the impact of exchange rate movements on our international payments volume, was not significantly different from growth on a nominal-dollar basis for the three months ended September 30, 2017⁽¹⁾. Growth in processed transactions reflects the ongoing worldwide shift to electronic payments.

The following table presents nominal payments and cash volume.⁽²⁾ 

	United States						International(3)						Visa Inc.(3)
	Three Months Ended September 30,(1)						Three Months Ended September 30,(1)						Three Months Ended September 30,(1)
	2017		2016		% Change		2017		2016		% Change		2017		2016		% Change
	(in billions, except percentages)
Nominal payments volume
Consumer credit	$	348	$	315	10	%	$	589	$	551	7	%	$	937	$	866	8	%
Consumer debit(4)	354		328		8	%	419		359		17	%	773		686		13	%
Commercial(5)	134		125		8	%	86		75		15	%	220		200		10	%
Total nominal payments volume	$	836	$	768	9	%	$	1,094	$	985	11	%	$	1,930	$	1,752	10	%
Cash volume	142		135		5	%	605		595		2	%	747		731		2	%
Total nominal volume(6)	$	978	$	903	8	%	$	1,700	$	1,580	8	%	$	2,677	$	2,483	8	%

The following table presents nominal and constant payments and cash volume growth.⁽²⁾ 

	International(3)				Visa Inc.(3)
	Three Months Ended September 30, 2017 vs. 2016(1)				Three Months Ended September 30, 2017 vs. 2016(1)
	Nominal		Constant(7)		Nominal		Constant(7)
Payments volume growth
Consumer credit growth	7	%	7	%	8	%	8	%
Consumer debit growth(5)	17	%	14	%	13	%	11	%
Commercial growth(6)	15	%	15	%	10	%	10	%
Total payments volume growth	11	%	10	%	10	%	10	%
Cash volume growth	2	%	0	%	2	%	1	%
Total volume growth	8	%	7	%	8	%	7	%

⁽¹⁾  Service revenues in a given quarter are assessed based on nominal payments volume in the prior quarter. Therefore, service revenues reported for the three months ended December 31, 2017 and 2016 were based on nominal payments volume reported by our financial institution clients for the three months ended September 30, 2017 and 2016, respectively.

⁽²⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

⁽³⁾  As a result of European Union Interchange Fee regulation changes, effective with the quarter ended December 31, 2016, Europe co-badged payments volume is no longer included in reported volume. For comparative purposes, international volume for the three months ended September 30, 2016 was adjusted to exclude co-badged payments volume. The associated growth rates for the three months ended September 30, 2017 were calculated using these adjusted amounts.

⁽⁴⁾  Includes consumer prepaid volume and Interlink volume.

⁽⁵⁾  Includes large, middle and small business credit and debit, as well as commercial prepaid volume.

⁽⁶⁾  Total nominal volume is the sum of total nominal payments volume and cash volume. Total nominal payments volume is the total monetary value of transactions for goods and services that are purchased on cards carrying the Visa, Visa Electron, Interlink and V PAY brands. Cash volume generally consists of cash access transactions, balance access transactions, balance transfers and convenience checks. Total nominal volume is provided by our financial institution clients, subject to review by Visa. On occasion, previously presented volume information may be updated. Prior-period updates are not material.

⁽⁷⁾  Growth on a constant-dollar basis excludes the impact of foreign currency fluctuations against the U.S. dollar.

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The following table provides the number of transactions involving Visa, Visa Electron, Interlink, V PAY and PLUS cards processed on Visa's networks during the periods presented.⁽¹⁾ 

	Three Months Ended December 31,
	2017	2016	% Change
	(in millions, except percentages)
Visa processed transactions	30,508	27,329	12	%

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

Results of Operations

Operating Revenues

The following table sets forth our operating revenues earned in the U.S. and internationally.

	Three Months Ended December 31,				2017 vs. 2016
	2017		2016		$ Change		% Change(1)
	(in millions, except percentages)
U.S.	$	2,265	$	2,121	$	144	7	%
International	2,597		2,340		257		11	%
Net operating revenues	$	4,862	$	4,461	$	401	9	%

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

The increase in operating revenues reflects the continued growth in nominal payments volume, processed transactions and nominal cross-border volume.

Our operating revenues, primarily service revenues, international transaction revenues and client incentives, are impacted by the overall strengthening or weakening of the U.S. dollar as payments volume and related revenues denominated in local currencies are converted to U.S. dollars. The effect of exchange rate movements in the three months ended December 31, 2017, as partially mitigated by our hedging program, resulted in an approximately one percentage point positive impact to our net operating revenue growth.

The following table sets forth the components of our net operating revenues.

	Three Months Ended December 31,						2017 vs. 2016
	2017			2016			$ Change			% Change(1)
	(in millions, except percentages)
Service revenues	$	2,146		$	1,918		$	228		12	%
Data processing revenues	2,147			1,892			255			13	%
International transaction revenues	1,666			1,489			177			12	%
Other revenues	229			203			26			13	%
Client incentives	(1,326		)	(1,041		)	(285		)	27	%
Net operating revenues	$	4,862		$	4,461		$	401		9	%

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

• Service revenues increased during the three-month comparable period primarily due to 10% growth in nominal payments volume.

• Data processing revenues increased mainly due to overall growth in processed transactions of 12% during the three-month comparable period.

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• International transaction revenues increased primarily due to nominal cross-border volume growth of 14% during the three-month comparable period. International transaction revenue growth was partially offset by lower volatility in a broad range of currencies.

• Client incentives increased during the three-month comparable period mainly due to incentives recognized on long-term customer contracts that were initiated or renewed after the first quarter of fiscal 2017 and overall growth in global payments volume. The amount of client incentives we record in future periods will vary based on changes in performance expectations, actual client performance, amendments to existing contracts or the execution of new contracts.

Operating Expenses

The following table sets forth components of our total operating expenses.

	Three Months Ended December 31,				2017 vs. 2016
	2017		2016		$ Change			% Change(1)
	(in millions, except percentages)
Personnel	$	679	$	571	$	108		19	%
Marketing	223		218		5			3	%
Network and processing	160		145		15			10	%
Professional fees	92		80		12			14	%
Depreciation and amortization	145		146		(1		)	(1	)%
General and administrative	236		186		50			27	%
Litigation provision	—		15		(15		)	(100	)%
Total operating expenses	$	1,535	$	1,361	$	174		13	%

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

• Personnel expenses increased primarily due to an increase in headcount, reflecting our strategy to invest for future growth.

• Network and processing expenses increased mainly due to continued technology and processing network investments to support growth.

• Professional fees increased primarily due to consulting fees related to technology and other corporate projects.

• General and administrativeexpenses increased mainly due to increases in product enhancements and travel activities in support of our business growth, as well as higher indirect taxes.

Non-operating Income (Expense)

The following table sets forth components of our non-operating income (expense).

	Three Months Ended December 31,						2017 vs. 2016
	2017			2016			$ Change			% Change(1)
	(in millions, except percentages)
Interest expense	$	(154	)	$	(140	)	$	(14	)	10	%
Other	66			19			47			NM
Total non-operating expense	$	(88	)	$	(121	)	$	33		(27	)%

NM — not meaningful

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Percentage changes are calculated based on unrounded numbers.

• Interest expense increased in the three months ended December 31, 2017 primarily due to the issuance of $2.5 billion fixed-rate senior notes in September 2017. See Note 4—Debt to our unaudited consolidated financial statements.

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• Other non-operating income increased in the three months ended December 31, 2017 due to a gain on the sale of an investment and higher interest income on our cash and investments.

Effective Income Tax Rate

The effective income tax rates were 22% and 31% for the three months ended December 31, 2017 and 2016, respectively. The effective tax rate for the three months ended December 31, 2017 differs from the effective tax rate in the same prior-year period primarily due to the Tax Act. The Tax Act transitions the U.S. tax system to a new territorial system and lowers the statutory federal corporate income tax rate from 35% to 21%.

The reduction of the statutory federal corporate tax rate to 21% became effective on January 1, 2018. In fiscal 2018, our statutory federal corporate rate is a blended rate of 24.5%, which will be reduced to 21% in fiscal 2019 and thereafter.

As a result of the reduction in the federal corporate tax rate, we remeasured our net deferred tax liabilities as of the enactment date of the Tax Act. The deferred tax remeasurement resulted in a one-time, non-cash tax benefit estimated to be approximately $1.1 billion, recorded in the three months ended December 31, 2017.

In transitioning to the new territorial tax system, the Tax Act requires that we include certain untaxed foreign earnings of non-U.S. subsidiaries in our fiscal 2018 taxable income. Such foreign earnings are subject to a one-time tax at 15.5% on the amount held in cash or cash equivalents, and at 8% on the remaining non-cash amount. The 15.5% and 8% tax, collectively referred to as the “transition tax”, was estimated to be $1.1 billion, and was recorded in the three months ended December 31, 2017. We intend to elect to pay the transition tax over a period of eight years as permitted by the Tax Act.

The above-mentioned accounting impacts of the deferred tax remeasurement and transition tax are provisional, based on currently available information and technical guidance on the interpretations of the new law. We continue to obtain and analyze additional information and guidance as they become available to complete the accounting for the tax impacts of the Tax Act. The provisional accounting impacts may change in future reporting periods until the accounting analysis is finalized, which will occur no later than the first quarter of fiscal 2019.

During the three months ended December 31, 2017, our gross unrecognized tax benefits increased by $44 million. Our net unrecognized tax benefits that, if recognized, would favorably impact the effective tax rate increased by $38 million. The increase in unrecognized tax benefits is primarily related to various tax positions across several jurisdictions. See Note 10—Income Taxes to our unaudited consolidated financial statements.

Adjusted effective income tax rate. Our financial results for the three months ended December 31, 2017 reflect the impact of certain significant items that we believe are not indicative of our operating performance in this period or future periods, as they were either non-recurring or had no cash impact. As such, we have presented our adjusted effective income tax rate for this period in the table below, which we believe provides a clearer understanding of our operating performance for the reported period. There were no comparable adjustments recorded for the three months ended December 31, 2016. See Overview—Adjusted financial results within this Management's Discussion and Analysis of Financial Condition and Results of Operations for descriptions of the adjustments in the tables below.

	Three Months Ended December 31, 2017
(in millions, except percentages)	Income Before Income Taxes		Income Tax Provision			Effective Income Tax Rate(1)
As reported	$	3,239	$	717		22.1	%
Remeasurement of deferred tax balances	—		1,133
Transition tax on foreign earnings	—		(1,147		)
As adjusted	$	3,239	$	703		21.7	%

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Effective income tax rate is calculated based on unrounded numbers.

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Liquidity and Capital Resources

Cash Flow Data

The following table summarizes our cash flow activity for the periods presented:

	Three Months Ended December 31,
	2017			2016
	(in millions)
Total cash provided by (used in):
Operating activities	$	2,762		$	2,508
Investing activities	(707		)	(417		)
Financing activities	(3,871		)	(1,730		)
Effect of exchange rate changes on cash and cash equivalents	80			(156		)
(Decrease) increase in cash and cash equivalents	$	(1,736	)	$	205

Operating activities. Cash provided by operating activities for the three months ended December 31, 2017 was higher than the prior-year comparable period, reflecting continued growth in our underlying business.

Investing activities. Cash used in investing activities for the three months ended December 31, 2017 was higher than the prior-year comparable period as purchases of available-for-sale investment securities reflected additional investment of net proceeds received from new fixed-rate senior notes issued in September 2017.

Financing activities. Cash used in financing activities for the three months ended December 31, 2017was higher than the prior-year comparable period primarily due to the repayment of the 2017 Notes and an increase in dividends paid in the current year, while the prior year included proceeds from issuance of commercial paper. This increase was partially offset by payments from our litigation escrow account and a decrease in the repurchases of our class A common stock. See Note 2—U.S. and Europe Retrospective Responsibility Plans, Note 4—Debt and Note 7—Stockholders' Equityto our unaudited consolidated financial statements.

Sources of Liquidity

Our primary sources of liquidity are cash on hand, cash flow from operations, our investment portfolio and access to various equity and borrowing arrangements. Funds from operations are maintained in cash and cash equivalents and short-term or long-term available-for-sale investment securities based upon our funding requirements, access to liquidity from these holdings, and the returns that these holdings provide. We believe that cash flow generated from operations, in conjunction with access to our other sources of liquidity, will be more than sufficient to meet our ongoing operational needs.

Cash and cash equivalents and short-term and long-term available-for-sale investment securities held by our foreign subsidiaries, primarily attributable to undistributed earnings, totaled $6.3 billion at December 31, 2017. This excludes $1.8 billion of cash and cash equivalents and available-for-sale investment securities we returned during the three months ended December 31, 2017 from our foreign subsidiaries to the United States. This transaction did not constitute a return of undistributed earnings. Pursuant to the Tax Act, we are required to pay U.S. tax on most of the undistributed and untaxed foreign earnings of non-U.S. subsidiaries accumulated as of December 31, 2017. If it were necessary to repatriate the undistributed earnings of our foreign subsidiaries for use in the United States in the future, the repatriated earnings would not be subject to further U.S. tax.

Uses of Liquidity

There has been no significant change to our primary uses of liquidity since September 30, 2017, except as discussed below. Based on our current cash flow budgets and forecasts of our short-term and long-term liquidity needs, we believe that our projected sources of liquidity will be sufficient to meet our projected liquidity needs for more than the next 12 months. We will continue to assess our liquidity position and potential sources of supplemental liquidity in view of our operating performance, current economic and capital market conditions and other relevant circumstances.

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Senior Notes. In October 2017, we redeemed all of the $1.75 billion principal amount outstanding of the 2017 Notes. The redemption was funded with the net proceeds from the new fixed-rate senior notes issued in September 2017. Interest payments of $241 million were made in fiscal 2018. See Note 4—Debt to our unaudited consolidated financial statements.

Common stock repurchases. During the three months ended December 31, 2017, we repurchased 16 million shares of our class A common stock using $1.8 billion of cash on hand. As of December 31, 2017, we had remaining authorized funds of $2.1 billion for share repurchase. All share repurchase programs authorized prior to April 2017 have been completed. In January 2018, our board of directors authorized an additional $7.5 billion share repurchase program. See Note 7—Stockholders' Equity to our unaudited consolidated financial statements.

Dividends. During the three months ended December 31, 2017, we declared and paid $458 million in dividends to holders of our common stock. In January 2018, our board of directors declared a cash dividend in the amount of $0.21 per share of class A common stock (determined in the case of class B and C common stock and UK&I and Europe preferred stock on an as-converted basis), which will be paid on March 6, 2018, to all holders of record of our common and preferred stock as of February 16, 2018. See Note 7—Stockholders' Equity to our unaudited consolidated financial statements. We expect to continue paying quarterly dividends in cash, subject to approval by the board of directors. All three series of preferred stock and class B and C common stock will share ratably on an as-converted basis in such future dividends.

Fair Value Measurements—Financial Instruments

As of December 31, 2017, our financial instruments measured at fair value on a recurring basis included $12.6 billion of assets and $65 million of liabilities. See Note 3—Fair Value Measurements and Investments to our unaudited consolidated financial statements.

ITEM 3. Quantitative and Qualitative Disclosures about Market Risk

There have been no significant changes to our market risks during the three months ended December 31, 2017, compared to September 30, 2017.

ITEM 4. Controls and Procedures

Disclosure controls and procedures. Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of the disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) of Visa Inc. at the end of the period covered by this report and, based on such evaluation, have concluded that the disclosure controls and procedures of Visa Inc. were effective at the reasonable assurance level as of such date.

Changes in internal control over financial reporting. There has been no change in the internal control over financial reporting of Visa Inc. that occurred during the fiscal period covered by this report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

ITEM 1. Legal Proceedings.

Refer to Note 11—Legal Matters to the unaudited consolidated financial statements included in this Form 10-Q for a description of the Company’s current material legal proceedings.

ITEM 1A. Risk Factors.

For a discussion of the Company’s risk factors, see the information under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended September 30, 2017, filed with the SEC on November 17, 2017.

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

ISSUER PURCHASES OF EQUITY SECURITIES

The table below sets forth the Company’s purchases of common stock during the three months ended December 31, 2017.

Period	Total Number  of Shares Purchased(1)	Average Price  Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(2),(3)	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs(2),(3)
October 1-31, 2017	2,759,883	$	107.13	2,759,883	$	3,498,752,595
November 1-30, 2017	5,414,230	$	110.99	5,278,751	$	2,912,592,445
December 1-31, 2017	7,508,416	$	111.73	7,508,416	$	2,073,527,997
Total	15,682,529	$	110.67	15,547,050

⁽¹⁾  Includes 135,479 shares of class A common stock withheld at an average price of $109.82 per share (per the terms of grants under our 2007 Equity Incentive Compensation Plan) to offset tax withholding obligations that occur upon vesting and release of restricted shares.

⁽²⁾  The figures in the table reflect transactions according to trade dates. For purposes of our unaudited consolidated financial statements included in this Form 10-Q, the impact of these repurchases is recorded according to settlement dates.

⁽³⁾  Our board of directors from time to time authorizes the repurchase of shares of our common stock up to a certain monetary limit. In April 2017 and January 2018, our board of directors authorized share repurchase programs for $5.0 billion and $7.5 billion, respectively. These authorizations have no expiration date. All share repurchase programs authorized prior to April 2017 have been completed.

ITEM 3. Defaults Upon Senior Securities.

None.

ITEM 4. Mine Safety Disclosures.

Not applicable.

ITEM 5. Other Information.

None.

ITEM 6. Exhibits.

The list of exhibits required to be filed as exhibits to this report is listed in the “Exhibit Index,” which is incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		VISA INC.
Date:	February 1, 2018	By:	/s/ Alfred F. Kelly, Jr.
		Name:	Alfred F. Kelly, Jr.
		Title:	Chief Executive Officer (Principal Executive Officer)
Date:	February 1, 2018	By:	/s/ Vasant M. Prabhu
		Name:	Vasant M. Prabhu
		Title:	Chief Financial Officer (Principal Financial Officer)
Date:	February 1, 2018	By:	/s/ James H. Hoffmeister
		Name:	James H. Hoffmeister
		Title:	Global Corporate Controller and Chief Accounting Officer (Principal Accounting Officer)

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EXHIBIT INDEX

		Incorporated by Reference
Exhibit Number	Description of Documents	Schedule/ Form	File Number	Exhibit	Filing Date
10.1	Form of Visa Inc. 2007 Equity Incentive Compensation Plan Restricted Stock Unit Award Agreement granted after November 1, 2017
31.1+	Certification of Chief Executive Officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2+	Certification of Chief Financial Officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1+	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2+	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS+	XBRL Instance Document
101.SCH+	XBRL Taxonomy Extension Schema Document
101.CAL+	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF+	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB+	XBRL Taxonomy Extension Label Linkbase Document
101.PRE+	XBRL Taxonomy Extension Presentation Linkbase Document

+ Filed or furnished herewith.

32

EX-10.1

EXHIBIT 10.1

NoticeofRestrictedStockUnitGrant

Participant: <first_name> <last_name>

Company: Visa Inc.

Notice: YouhavebeengrantedthefollowingRestrictedStockUnitsinaccordancewiththetermsoftheVisaInc.2007EquityIncentiveCompensation Plan(the“Plan”)andtheRestrictedStockUnitAwardAgreement(“Agreement”)attachedhereto.

TypeofAward: RestrictedStockUnits

GrantID: <award_id>

Grant: GrantDate:<award_date>

Number of Shares Underlying Restricted Stock Units: <shares_awarded>

Vesting: The RestrictedStockUnits shall be fully vested on the Grant Date.

Acceptance: You are deemed to have accepted your Restricted Stock Units award and agreed to the terms and conditions set forth in this Agreement, the terms and conditions of the Plan, and the Addendum with Additional Country Specific Terms and Conditions attached as Exhibit A, all of which are made part of the Agreement. You can access this on-line form through your account at www.schwab.com/public/eac/home.

DIR_(RSU)

Visa Inc.

2007 Equity Incentive Compensation Plan

Restricted Stock Unit Award Agreement

This Restricted Stock Unit Award Agreement (this “Agreement”), dated as of the Grant Date (the “Grant Date”) set forth in the Notice of Restricted Stock Unit Grant attached as Schedule A hereto (the “Grant Notice”), is made between Visa Inc. (the “Company”) and the Participant set forth in the Grant Notice. The Grant Notice is included in and made part of this Agreement.

1.     Definitions.

Capitalized terms used but not defined herein have the meaning set forth in the Visa Inc. 2007 Equity Incentive Compensation Plan (the “Plan”).

2.     Grant of the Restricted Stock Units.

Subject to the provisions of this Agreement and the provisions of the Plan, the Company hereby grants to the Participant, pursuant to the Plan, the number of Restricted Stock Units set forth in the Grant Notice (the “Restricted Stock Units”).

3.     Dividend Equivalents.

Each Restricted Stock Unit shall entitle the Participant to Dividend Equivalents with respect to regular cash dividends that would otherwise be paid on the Share underlying such Restricted Stock Unit during the period from the Grant Date to the date on which such Restricted Stock Unit is settled in accordance with Section 6. Any such Dividend Equivalent shall be paid to the Participant at (or within thirty (30) days following) the time such related dividends are paid to holders of Shares.

4.     Vesting.

The Restricted Stock Units shall be fully vested on the Grant date as set forth in the Grant Notice.

5.     Deferral Election.

The Participant may elect to defer commencement of the settlement of the vested Restricted Stock Units until the later of (a) the first anniversary of the Grant Date and (b) a date or dates during the Participant’s service as a member of the Board or following the Participant’s termination of service as a member of the Board, subject however to earlier settlement (i) upon or within thirty (30) days following the Participant’s death or (ii) upon, or within thirty (30) days following, a Change of Control that constitutes a "change in control event" within the meaning of Section 409A of the Code. To do so, the Participant must make a valid and timely election pursuant to the terms of the deferral election form provided to the Participant for this purpose.

DIR_(RSU)

6.    Settlement of Restricted Stock Units.

Unless the Participant has made a valid deferral election pursuant to Section 5 above or unless otherwise provided in the Plan, including, without limitation, by reason of a Change of Control, the Company shall cause to be delivered to the Participant (a) the full number of Shares underlying the Restricted Stock Units, (b) a cash payment determined by reference to the then-current Fair Market Value of such Shares or (c) a combination of Shares and such cash payment as the Committee, in its sole discretion, shall determine, subject to satisfaction of applicable tax withholding obligations with respect thereto in accordance with Section 7 of this Agreement, within 90 days following the Grant Date or if earlier, upon, or within 90 days following, the earlier to occur of (i) a Change of Control that constitutes a "change in control event" within the meaning of Section 409A of the Code and (ii) the Participant’s death provided, however, that if the Participant’s Termination occurs under any circumstances other than death, any such delivery of Shares or cash payment shall be delayed for six (6) months from the date of such Participant’s Retirement if the Participant is a “specified employee” (as such term is defined in Section 409A(a)(2)(B)(i) of the Code). Any right to a distribution or series of distributions of Shares hereunder shall be treated as a right to a series of separate payments for purposes of Section 409A of the Code.

7.     Taxes and Withholdings.

In the event any Restricted Stock Units become includible in the Participant’s gross income for income tax purposes, any taxes of any kind required by law to be withheld with respect to such Restricted Stock Units shall be satisfied by the Company withholding Shares or cash otherwise deliverable or payable to the Participant pursuant to the Restricted Stock Unit award (provided, however, that the amount of any Shares so withheld shall not exceed the amount necessary to satisfy required Federal, state, local and non-United States withholding obligations using the applicable statutory withholding rates for Federal, state, local and/or non-U.S. tax purposes, including payroll taxes, that are applicable to supplemental taxable income), pursuant to any procedures, and subject to any limitations as the Committee may prescribe and subject to applicable law, based on the Fair Market Value of the Shares on the payment date. The Company may, in the discretion of the Committee, provide for alternative arrangements to satisfy applicable tax withholding requirements in accordance with Article XVII of the Plan.

Regardless of any action the Company takes with respect to any or all tax withholding (including social insurance contribution obligations, if any), the Participant acknowledges that the ultimate liability for all such taxes is and remains the Participant’s responsibility (or that of the Participant’s beneficiary), and that the Company does not: (a) make any representations or undertakings regarding the treatment of any tax withholding in connection with any aspect of the Restricted Stock Units, including the grant or vesting thereof, the subsequent sale of Shares and the receipt of any dividends; or (b) commits to structure the terms of the Restricted Stock Units or any aspect of the Restricted Stock Units to reduce or eliminate the Participant’s (or his or her beneficiary’s) liability for such tax.

8.     No Rights as a Shareholder Prior to Issuance of Shares.

DIR_(RSU)

Neither the Participant nor any other person shall become the beneficial owner of the Shares underlying the Restricted Stock Units, nor have any rights to dividends or other rights as a shareholder with respect to any such Shares, until and after such Shares, if any, have been actually issued to the Participant and transferred on the books and records of the Company or its agent in accordance with the terms of the Plan and this Agreement.

9.     No Right to Continued Service.

Neither the Restricted Stock Units nor any terms contained in this Agreement shall confer upon the Participant any rights or claims except in accordance with the express provisions of the Plan and this Agreement, and shall not give the Participant any express or implied right to be retained in the service of the Company for any period or in any particular position or at any particular rate of compensation, nor restrict in any way the right of the Company, which right is hereby expressly reserved, to modify or terminate the Participant’s service at any time for any reason.

10.     The Plan.

By accepting any benefit under this Agreement, the Participant and any person claiming under or through the Participant shall be conclusively deemed to have indicated his or her acceptance and ratification of, and consent to, all of the terms and conditions of the Plan and this Agreement and any action taken under the Plan by the Board, the Committee or the Company, in any case in accordance with the terms and conditions of the Plan. In the event of any conflict between the provisions of the Plan and this Agreement, the provisions of the Plan shall control, and this Agreement shall be deemed to be modified accordingly. This Agreement is subject to all the terms, provisions and conditions of the Plan, which are incorporated herein by reference, and to such rules, policies and regulations as may from time to time be adopted by the Committee. The Plan and the prospectus describing the Plan can be found on the Company’s Human Resources intranet site. A paper copy of the Plan and the prospectus shall be provided to the Participant upon the Participant’s written request to the Company at 900 Metro Center Blvd., Foster City, California 94404, Attention: Stock Plan Administrator.

11.     Compliance with Laws and Regulations.

(a) The Restricted Stock Units and the obligation of the Company to deliver Shares or cash payments hereunder shall be subject in all respects to (i) all applicable Federal and state laws, rules and regulations; and (ii) any registration, qualification, approvals or other requirements imposed by any government or regulatory agency or body which the Committee shall, in its discretion, determine to be necessary or applicable. Moreover, the Company shall not deliver any certificates for Shares to the Participant or any other person pursuant to this Agreement if doing so would be contrary to applicable law. If at any time the Company determines, in its discretion, that the listing, registration or qualification of Shares upon any national securities exchange or under any state or federal law, or the consent or approval of any governmental regulatory body, is necessary or desirable, the Company shall not be required to deliver any certificates for Shares to the Participant or any other person pursuant to this Agreement unless and until such listing,

DIR_(RSU)

registration, qualification, consent or approval has been effected or obtained, or otherwise provided for, free of any conditions not acceptable to the Company.

(b) It is intended that any Shares received under this Agreement shall have been registered under the Securities Act. If the Participant is an “affiliate” of the Company, as that term is defined in Rule 144 under the Securities Act (“Rule 144”), the Participant may not sell the Shares received except in compliance with Rule 144. Certificates representing Shares issued to an “affiliate” of the Company may bear a legend setting forth such restrictions on the disposition or transfer of the Shares as the Company deems appropriate to comply with federal and state securities laws.

(c) If at any time the Shares are not registered under the Securities Act, and/or there is no current prospectus in effect under the Securities Act with respect to the Shares, the Participant shall execute, prior to the delivery of any Shares to the Participant by the Company pursuant to this Agreement, an agreement (in such form as the Company may specify) in which the Participant represents and warrants that the Participant is purchasing or acquiring the Shares acquired under this Agreement for the Participant 's own account, for investment only and not with a view to the resale or distribution thereof, and represents and agrees that any subsequent offer for sale or distribution of any kind of such Shares shall be made only pursuant to either (i) a registration statement on an appropriate form under the Securities Act,     which registration statement has become effective and is current with regard to the Shares being offered or sold; or (ii) a specific exemption from the registration requirements of the Securities Act, but in claiming such exemption the Participant shall, prior to any offer for sale of such Shares, obtain a prior favorable written opinion, in form and substance satisfactory to the Company, from counsel for or approved by the Company, as to the applicability of such exemption thereto.

12.     Notices.

All notices by the Participant or the Participant’s successors or permitted assigns shall be addressed to the Company at 900 Metro Center Blvd., Foster City, California 94404, Attention: Stock Plan Administrator or such other address as the Company may from time to time specify. All notices to the Participant shall be addressed to the Participant at the Participant’s address in the Company's records.

13.     Other Plans.

The Participant acknowledges that any income derived from this Restricted Stock Units award shall not affect the Participant’s participation in, or benefits under, any other benefit plan or other contract or arrangement maintained by the Company or any Subsidiary or Affiliate.

14.    Rights of Participant.

In accepting the grant, the Participant acknowledges that:

(a) the Plan is established voluntarily by the Company, it is discretionary in nature and it may be modified, suspended or terminated by the Company at any time, as provided in the Plan and this Agreement;

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(b) the grant of the Restricted Stock Units is voluntary and occasional and does not create any contractual or other right for the Participant or any other person to receive future grants of Restricted Stock Units, or benefits in lieu of Restricted Stock Units;

(c) all decisions with respect to any future grants will be at the sole discretion of the Company;

(d) the Restricted Stock Units do not constitute compensation of any kind for services of any kind rendered to the Company, its Affiliates and/or Subsidiaries, and are not part of the terms and conditions of the Participant’s employment or service with the Company, its Affiliates and/or Subsidiaries;

(e) no provision of this Agreement or of the Restricted Stock Units granted hereunder shall give the Participant any right to continue in the employ or service of the Company or any Affiliate or Subsidiary, create any inference as to the length of employment or service of the Participant, affect the right of an employer to terminate the employment of the Participant, with or without Cause, or give the Participant any right to participate in any employee welfare or benefit plan or other program (other than the Plan); and

(f) if the Participant ceases to be an employee or other individual service provider of the Company or any Affiliate or Subsidiary for any reason, the Participant shall not be entitled by way of compensation for loss of office or otherwise howsoever to any sum or other benefit to compensate the Participant for the loss of any rights under this Agreement or the Plan.

15.     Data Protection.

(a) The Participant hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of his personal data as described in this document by and among, as applicable, the Company, its Affiliates and its Subsidiaries (“the Group”) for the exclusive purpose of implementing, administering and managing his participation in the Plan.

(b) The Participant acknowledges that the Group holds certain personal information about him, including, but not limited to, his name, home address and telephone number, date of birth, social insurance number or other identification number, salary, nationality, job title, details of all Restricted Stock Units or any other entitlement to Shares outstanding in the Participant’s favor, for the purpose of implementing, administering and managing the Plan (“Data”).

(c) The Participant acknowledges and agrees that Data may be transferred to any third parties assisting in the implementation, administration and management of the Plan, that these recipients may be located in the Participant’s country of residence or elsewhere, and that the recipient’s country of residence may have different data privacy laws and protections than those of the Participant’s country. The Participants authorize the recipients to receive, possess, use, retain and transfer the Data, in electronic or other form, for the purposes of implementing, administering and managing the Participant’s participation in the Plan, including any requisite transfer of such Data as may be required to a broker or other third party with whom the Participant may elect to deposit any Shares acquired. The Participant understands that Data

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will be held only as long as is necessary to implement, administer and manage his participation in the Plan. The Participant understands that he may, at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing his local human resources representative. The Participant understands, however, that refusing or withdrawing his consent may affect his ability to participate in the Plan.

DIR_(RSU)

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

EXCHANGE ACT RULES 13A-14(A)/15D-14(A),

AS ADOPTED PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Alfred F. Kelly, Jr., certify that:

1. I have reviewed this quarterly report on Form 10-Q of Visa 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(s) 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;

(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 (the registrant's fourth fiscal quarter in the case of an annual report) 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(s) 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 the registrant's board of directors (or persons performing the equivalent functions):

(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:	February 1, 2018	/s/ Alfred F. Kelly, Jr.
		Alfred F. Kelly, Jr. Chief Executive Officer (Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

EXCHANGE ACT RULES 13A-14(A)/15D-14(A),

AS ADOPTED PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Vasant M. Prabhu, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Visa 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(s) 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;

(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 (the registrant's fourth fiscal quarter in the case of an annual report) 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(s) 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 the registrant's board of directors (or persons performing the equivalent functions):

(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:	February 1, 2018	/s/ Vasant M. Prabhu
		Vasant M. Prabhu Chief Financial Officer (Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Visa Inc. (the “Company”) on Form 10-Q for the period ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Alfred F. Kelly, Jr., do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

• the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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

Date:	February 1, 2018	/s/ Alfred F. Kelly, Jr.
		Alfred F. Kelly, Jr. Chief Executive Officer (Principal Executive Officer)

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Visa Inc. (the “Company”) on Form 10-Q for the period ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Vasant M. Prabhu, do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

• the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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

Date:	February 1, 2018	/s/ Vasant M. Prabhu
		Vasant M. Prabhu Chief Financial Officer (Principal Financial Officer)

XML

Document and Entity Information - shares	3 Months Ended
	Dec. 31, 2017	Jan. 26, 2018
Entity Registrant Name	VISA INC.
Entity Central Index Key	0001403161
Current Fiscal Year End Date	--09-30
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Amendment Flag	false
Class A common stock
Entity Common Stock, Shares Outstanding		1,802,624,578
Class B common stock
Entity Common Stock, Shares Outstanding		245,513,385
Class C common stock
Entity Common Stock, Shares Outstanding		12,400,261

XML

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2017	Sep. 30, 2017
Assets
Cash and cash equivalents		$ 8,138	$ 9,874
Restricted cash—U.S. litigation escrow (Note 2)		883	1,031
Investment securities (Note 3):
Trading		106	82
Available-for-sale		3,307	3,482
Settlement receivable		1,618	1,422
Accounts receivable		1,281	1,132
Customer collateral (Note 5)		1,155	1,106
Current portion of client incentives		295	344
Prepaid expenses and other current assets		504	550
Total current assets		17,287	19,023
Investment securities, available-for-sale (Note 3)		2,674	1,926
Client incentives		557	591
Property, equipment and technology, net		2,238	2,253
Other assets		1,127	1,226
Intangible assets, net		28,109	27,848
Goodwill		15,162	15,110
Total assets		67,154	67,977
Liabilities
Accounts payable		108	179
Settlement payable		2,302	2,003
Customer collateral (Note 5)		1,155	1,106
Accrued compensation and benefits		389	757
Client incentives		2,355	2,089
Accrued liabilities		1,224	1,129
Current maturities of long-term debt (Note 4)		0	1,749
Accrued litigation (Note 11)		830	982
Total current liabilities		8,363	9,994
Long-term debt (Note 4)		16,621	16,618
Deferred tax liabilities		5,107	5,980
Deferred purchase consideration		1,330	1,304
Other liabilities		2,332	1,321
Total liabilities		33,753	35,217
Equity
Preferred stock	[1]	5,476	5,526
Right to recover for covered losses (Note 2)	[1]	(5)	(52)
Additional paid-in capital		16,761	16,900
Accumulated income		9,966	9,508
Accumulated other comprehensive income (loss), net:
Investment securities, available-for-sale		61	73
Defined benefit pension and other postretirement plans		(76)	(76)
Derivative instruments classified as cash flow hedges		(33)	(36)
Foreign currency translation adjustments		1,251	917
Total accumulated other comprehensive income, net		1,203	878
Total equity		33,401	32,760
Total liabilities and equity		67,154	67,977
Series A Preferred Stock
Equity
Preferred stock		0	0
U.K.& I preferred stock
Equity
Preferred stock	[1]	2,295	2,326
Europe preferred stock
Equity
Preferred stock	[1]	3,181	3,200
Class A common stock
Equity
Common stock		0	0
Class B common stock
Equity
Common stock		0	0
Class C common stock
Equity
Common stock		$ 0	$ 0

[1] Figures in the table may not recalculate exactly due to rounding. As-converted and book values are based on unrounded numbers.

XML

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Millions	Dec. 31, 2017		Sep. 30, 2017
Preferred Stock
Preferred stock, par value	$ 0.0001		$ 0.0001
Preferred stock, shares authorized	25		25
Preferred stock, shares issued	5		5
Preferred stock, shares outstanding	5		5
Series A Preferred Stock
Preferred stock, shares issued	0		0
U.K.& I preferred stock
Preferred stock, shares issued	2		2
Preferred stock, shares outstanding	2		2
Europe preferred stock
Preferred stock, shares issued	3		3
Preferred stock, shares outstanding	3		3
Class A common stock
Common stock, par value	$ 0.0001		$ 0.0001
Common stock, shares authorized	2,001,622		2,001,622
Common stock, shares issued	1,805		1,818
Common stock, shares outstanding	1,805	[1]	1,818
Class B common stock
Common stock, par value	$ 0.0001		$ 0.0001
Common stock, shares authorized	622		622
Common stock, shares issued	245		245
Common stock, shares outstanding	245		245
Class C common stock
Common stock, par value	$ 0.0001		$ 0.0001
Common stock, shares authorized	1,097		1,097
Common stock, shares issued	12		13
Common stock, shares outstanding	12		13

[1] Class A common stock shares outstanding exclude repurchases traded but not yet settled on or before December 31, 2017.

XML

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Operating Revenues
Service revenues		$ 2,146	$ 1,918
Data processing revenues		2,147	1,892
International transaction revenues		1,666	1,489
Other revenues		229	203
Client incentives		(1,326)	(1,041)
Net operating revenues		4,862	4,461
Operating Expenses
Personnel		679	571
Marketing		223	218
Network and processing		160	145
Professional fees		92	80
Depreciation and amortization		145	146
General and administrative		236	186
Litigation provision (Note 11)		0	15
Total operating expenses		1,535	1,361
Operating income		3,327	3,100
Non-operating Income (Expense)
Interest expense		(154)	(140)
Other		66	19
Total non-operating expense		(88)	(121)
Income before income taxes		3,239	2,979
Income tax provision (Note 10)		717	909
Net income		$ 2,522	$ 2,070
Class A common stock
Earnings Per Share
Basic earnings per share (in dollars per share)	[1]	$ 1.07	$ 0.86
Basic weighted-average shares outstanding (in shares)		1,811	1,860
Diluted earnings per share (in dollars per share)	[1]	$ 1.07	$ 0.86
Diluted weighted-average shares outstanding (in shares)	[2]	2,353	2,421
Class B common stock
Earnings Per Share
Basic earnings per share (in dollars per share)	[1]	$ 1.77	$ 1.41
Basic weighted-average shares outstanding (in shares)		245	245
Diluted earnings per share (in dollars per share)	[1]	$ 1.77	$ 1.41
Diluted weighted-average shares outstanding (in shares)		245	245
Class C common stock
Earnings Per Share
Basic earnings per share (in dollars per share)	[1]	$ 4.30	$ 3.43
Basic weighted-average shares outstanding (in shares)		13	17
Diluted earnings per share (in dollars per share)	[1]	$ 4.29	$ 3.42
Diluted weighted-average shares outstanding (in shares)		13	17

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

[2] Weighted-average diluted shares outstanding are calculated on an as-converted basis, and include incremental common stock equivalents, as calculated under the treasury stock method. The computation includes approximately 5 million common stock equivalents for the three months ended December 31, 2017 and 2016, because their effect would be dilutive. The computation excludes 2 million and 3 million of common stock equivalents for the three months ended December 31, 2017 and 2016, respectively, because their effect would have been anti-dilutive.

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 2,522	$ 2,070
Investment securities, available-for-sale:
Net unrealized gain (loss)	9	(3)
Income tax effect	(3)	(1)
Reclassification adjustment for net gain realized in net income	(28)	0
Income tax effect	10	0
Defined benefit pension and other postretirement plans:
Amortization of actuarial loss and prior service credit realized in net income	0	6
Income tax effect	0	(2)
Derivative instruments classified as cash flow hedges:
Net unrealized (loss) gain	(1)	74
Income tax effect	(5)	(7)
Reclassification adjustment for net loss realized in net income	11	12
Income tax effect	(2)	(2)
Foreign currency translation adjustments	334	(988)
Other comprehensive income (loss), net of tax	325	(911)
Comprehensive income	$ 2,847	$ 1,159

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating Activities
Net income	$ 2,522	$ 2,070
Adjustments to reconcile net income to net cash provided by operating activities:
Client incentives	1,326	1,041
Share-based compensation (Note 9)	68	45
Depreciation and amortization of property, equipment, technology and intangible assets	145	146
Deferred income taxes	(919)	77
Right to recover for covered losses recorded in equity (Note 2)	(3)	(94)
Other	(23)	13
Change in operating assets and liabilities:
Settlement receivable	(180)	56
Accounts receivable	(146)	(89)
Client incentives	(986)	(1,129)
Other assets	92	66
Accounts payable	(51)	(102)
Settlement payable	275	79
Accrued and other liabilities	794	316
Accrued litigation (Note 11)	(152)	13
Net cash provided by operating activities	2,762	2,508
Investing Activities
Purchases of property, equipment, technology and intangible assets	(141)	(171)
Investment securities, available-for-sale:
Purchases	(1,636)	(1,032)
Proceeds from maturities and sales	1,076	788
Purchases of / contributions to other investments	(6)	(2)
Net cash used in investing activities	(707)	(417)
Financing Activities
Repayments of long-term debt (Note 4)	(1,750)	0
Dividends paid (Note 7)	(458)	(399)
Proceeds from issuance of commercial paper	0	566
Payments from litigation escrow account—U.S. retrospective responsibility plan (Note 2 and Note 11)	150	0
Cash proceeds from issuance of common stock under employee equity plans	53	56
Restricted stock and performance-based shares settled in cash for taxes	(88)	(60)
Net cash used in financing activities	(3,871)	(1,730)
Effect of exchange rate changes on cash and cash equivalents	80	(156)
(Decrease) increase in cash and cash equivalents	(1,736)	205
Cash and cash equivalents at beginning of period	9,874	5,619
Cash and cash equivalents at end of period	8,138	5,824
Supplemental Disclosure
Income taxes paid, net of refunds	183	96
Interest payments on debt (Note 4)	241	244
Accruals related to purchases of property, equipment, technology and intangible assets	26	69
Class A common stock
Financing Activities
Repurchase of class A common stock (Note 7)	$ (1,778)	$ (1,893)

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Summary of Significant Accounting Policies

3 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 1—Summary of Significant Accounting Policies

Organization. Visa Inc. ("Visa" or the "Company") is a global payments technology company that enables fast, secure and reliable electronic payments across more than 200 countries and territories. Visa and its wholly-owned consolidated subsidiaries, including Visa U.S.A. Inc. ("Visa U.S.A."), Visa International Service Association ("Visa International"), Visa Worldwide Pte. Limited, Visa Europe Limited ("Visa Europe"), Visa Canada Corporation, Visa Technology & Operations LLC and CyberSource Corporation, operate one of the world’s largest retail electronic payments networks — VisaNet — which facilitates authorization, clearing and settlement of payment transactions and enables the Company to provide its financial institution and merchant clients a wide range of products, platforms and value-added services. VisaNet also offers fraud protection for account holders and assured payment for merchants. Visa is not a bank and does not issue cards, extend credit or set rates and fees for account holders on Visa products. In most cases, account holder and merchant relationships belong to, and are managed by, Visa's financial institution clients.

Consolidation and basis of presentation. The accompanying unaudited consolidated financial statements include the accounts of Visa and its consolidated entities and are presented in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP"). The Company consolidates its majority-owned and controlled entities, including variable interest entities ("VIEs") for which the Company is the primary beneficiary. The Company’s investments in VIEs have not been material to its consolidated financial statements as of and for the periods presented. All significant intercompany accounts and transactions are eliminated in consolidation.

The accompanying unaudited consolidated financial statements are presented in accordance with the U.S. Securities and Exchange Commission (SEC) requirements for Quarterly Reports on Form 10-Q and, consequently, do not include all of the annual disclosures required by U.S. GAAP. Reference should be made to the Visa Annual Report on Form 10-K for the year ended September 30, 2017 for additional disclosures, including a summary of the Company’s significant accounting policies.

In the opinion of management, the accompanying unaudited consolidated financial statements include all normal recurring adjustments necessary for a fair presentation of the Company's financial position, results of operations and cash flows for the interim periods presented.

Recently Issued and Adopted Accounting Pronouncements.

In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2014-09, which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of goods or services to customers. The ASU will replace existing revenue recognition guidance in U.S. GAAP when it becomes effective. Subsequently, the FASB also issued a series of amendments to the new revenue standard. The Company will adopt the standard effective October 1, 2018, and expects to adopt the standard using the modified retrospective transition method. The Company expects that the new standard will primarily impact recognition timing for certain fixed incentives and price discounts provided to clients, and the classification of certain client incentives between contra revenues and operating expenses. The Company is still in the process of quantifying the full effect that ASU 2014-09 and all of its related subsequent updates will have on its consolidated financial statements and related disclosures. The impact of the new standard to future financial results is unknowable as it is not possible to estimate the impact to the recognition of new customer contracts which may be executed in future periods. The Company has completed an assessment of its existing customer contracts through December 31, 2017. Application of the new standard to consolidated financial statements for the first quarter of fiscal 2018 would not have resulted in a material impact. The Company will continue to assess the impact of the new standard as new customer contracts are executed going forward.

In March 2016, the FASB issued ASU 2016-05, which clarifies that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815, Derivatives and Hedging, does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

In March 2016, the FASB issued ASU 2016-06, which clarifies the requirements for assessing whether contingent call/put options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment is required to assess the embedded call/put options solely in accordance with a four-step decision sequence. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

In March 2016, the FASB issued ASU 2016-07, which eliminates the requirement that an entity retroactively adopt the equity method of accounting if an investment qualifies for use of the equity method as a result of an increase in the level of ownership or degree of influence. The equity method investor is required to add the cost of acquiring the additional interest in the investee to the current basis of the investor's previously held interest and adopt the equity method of accounting as of the date the investment becomes qualified for equity method accounting. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

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U.S. and Europe Retrospective Responsibility Plans

3 Months Ended

Dec. 31, 2017

Retrospective Responsibility Plan [Abstract]

U.S. and Europe Retrospective Responsibility Plans

Note 2—U.S. and Europe Retrospective Responsibility Plans

U.S. Retrospective Responsibility Plan

Under the terms of the U.S. retrospective responsibility plan, the Company maintains an escrow account from which settlements of, or judgments in, certain litigation referred to as the "U.S. covered litigation" are paid. The escrow funds are held in money market investments along with interest income earned, less applicable taxes, and are classified as restricted cash on the consolidated balance sheets. The balance of the escrow account was $0.9 billion at December 31, 2017 and $1.0 billion at September 30, 2017. The Company paid $150 million from the litigation escrow account during the three months ended December 31, 2017. See Note 11—Legal Matters.

The accrual related to the U.S. covered litigation could be either higher or lower than the litigation escrow account balance. The Company did not record an additional accrual for the U.S. covered litigation during the three months ended December 31, 2017. See Note 11—Legal Matters.

Europe Retrospective Responsibility Plan

The Company, Visa Europe or their affiliates are parties to certain existing and potential litigation relating to the setting of multilateral interchange fee rates in the Visa Europe territory (the "VE territory covered litigation"). Under the terms of the Europe retrospective responsibility plan, the Company is entitled to recover certain losses resulting from VE territory covered litigation (the "VE territory covered losses") through a periodic adjustment to the class A common stock conversion rates applicable to the UK&I and Europe preferred stock. VE territory covered losses are recorded in "right to recover for covered losses" within equity before the corresponding adjustment to the applicable conversion rate is effected. Adjustments to the conversion rate may be executed once in any six-month period unless a single, individual loss greater than €20 million is incurred, in which case, the six-month limitation does not apply. When the adjustment to the conversion rate is made, the amount previously recorded in "right to recover for covered losses" as contra-equity is then recorded against the book value of the preferred stock within stockholders' equity.

During the three months ended December 31, 2017, the Company recovered $50 million of VE territory covered losses through adjustments to the class A common stock conversion rates applicable to the UK&I and Europe preferred stock, from 13.077 and 13.948, respectively, at September 30, 2017 to 12.966 and 13.893, respectively, at December 31, 2017.

The following table sets forth the activities related to VE territory covered losses in preferred stock and "right to recover for covered losses" within equity during the three months ended December 31, 2017. VE territory covered losses incurred reflect settlements with merchants and additional legal costs. See Note 11—Legal Matters.

	Preferred Stock						Right to Recover for Covered Losses
	UK&I			Europe
	(in millions)
Balance as of September 30, 2017	$	2,326		$	3,200		$	(52	)
VE territory covered losses incurred	—			—			(3		)
Recovery through conversion rate adjustment	(31		)	(19		)	50
Balance as of December 31, 2017	$	2,295		$	3,181		$	(5	)

The following table sets forth the as-converted value of the preferred stock available to recover VE territory covered losses compared to the book value of preferred shares recorded in stockholders' equity within the Company's unaudited consolidated balance sheet as of December 31, 2017 and September 30, 2017.⁽¹⁾

	December 31, 2017						September 30, 2017
	As-Converted Value of Preferred Stock(2)			Book Value of Preferred Stock			As-Converted Value of Preferred Stock(3)			Book Value of Preferred Stock
	(in millions)
UK&I preferred stock	$	3,667		$	2,295		$	3,414		$	2,326
Europe preferred stock	5,001			3,181			4,634			3,200
Total	8,668			5,476			8,048			5,526
Less: right to recover for covered losses	(5		)	(5		)	(52		)	(52		)
Total recovery for covered losses available	$	8,663		$	5,471		$	7,996		$	5,474

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted and book values are based on unrounded numbers.

⁽²⁾  The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of December 31, 2017; (b)12.966 and 13.893, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of December 31, 2017, respectively; and (c) $114.02, Visa's class A common stock closing stock price as of December 31, 2017.

⁽³⁾  The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of September 30, 2017; (b)13.077 and 13.948, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of September 30, 2017, respectively; and (c) $105.24, Visa's class A common stock closing stock price as of September 30, 2017.

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Fair Value Measurements and Investments

3 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements and Investments

Note 3—Fair Value Measurements and Investments

Fair Value Measurements

Assets and Liabilities Measured at Fair Value on a Recurring Basis

	Fair Value Measurements Using Inputs Considered as
	Level 1				Level 2
	December 31, 2017		September 30, 2017		December 31, 2017		September 30, 2017
	(in millions)
Assets
Cash equivalents and restricted cash:
Money market funds	$	5,918	$	5,935
U.S. government-sponsored debt securities					$	567	$	2,870
Investment securities, trading:
Equity securities	106		82
Investment securities, available-for-sale:
U.S. government-sponsored debt securities					3,530		3,663
U.S. Treasury securities	2,337		1,621
Equity securities	114		124
Prepaid and other current assets:
Foreign exchange derivative instruments					26		18
Total	$	8,475	$	7,762	$	4,123	$	6,551
Liabilities
Accrued liabilities:
Foreign exchange derivative instruments					$	65	$	98
Total	$	—	$	—	$	65	$	98

There were no transfers between Level 1 and Level 2 assets during the three months ended December 31, 2017.

Level 1 assets measured at fair value on a recurring basis. Money market funds, publicly-traded equity securities and U.S. Treasury securities are classified as Level 1 within the fair value hierarchy, as fair value is based on quoted prices in active markets.

Level 2 assets and liabilities measured at fair value on a recurring basis. The fair value of U.S. government-sponsored debt securities, as provided by third-party pricing vendors, is based on quoted prices in active markets for similar, not identical, assets. The pricing data obtained from outside sources is reviewed internally for reasonableness, compared against benchmark quotes from independent pricing sources, then confirmed or revised accordingly. Foreign exchange derivative instruments are valued using inputs that are observable in the market or can be derived principally from or corroborated by observable market data. There were no substantive changes to the valuation techniques and related inputs used to measure fair value during the three months ended December 31, 2017.

Assets Measured at Fair Value on a Non-recurring Basis

Non-marketable equity investments and investments accounted for under the equity method. These investments are classified as Level 3 due to the absence of quoted market prices, the inherent lack of liquidity, and the fact that inputs used to measure fair value are unobservable and require management's judgment. When certain events or circumstances indicate that impairment may exist, the Company revalues the investments using various assumptions, including the financial metrics and ratios of comparable public companies. There were no significant impairments during the three months ended December 31, 2017 or 2016. These investments totaled $99 million and $94 million at December 31, 2017 and September 30, 2017, respectively, and are classified in other assets on the consolidated balance sheets.

Non-financial assets and liabilities. Long-lived assets such as goodwill, indefinite-lived intangible assets, finite-lived intangible assets, and property, equipment and technology are considered non-financial assets. The Company does not have any non-financial liabilities measured at fair value on a non-recurring basis. Finite-lived intangible assets primarily consist of customer relationships, trade names and reseller relationships, all of which were obtained through acquisitions.

If the Company were required to perform a quantitative assessment for impairment testing of goodwill and indefinite-lived intangible assets, the fair values would generally be estimated using an income approach. As the assumptions employed to measure these assets on a non-recurring basis are based on management's judgment using internal and external data, these fair value determinations are classified as Level 3 in the fair value hierarchy. The Company completed its annual impairment review of its indefinite-lived intangible assets and goodwill as of February 1, 2017, and concluded that there was no impairment. No recent events or changes in circumstances indicate that impairment existed at December 31, 2017.

Other Fair Value Disclosures

Long-term debt. Debt instruments are measured at amortized cost on the Company's unaudited consolidated balance sheet at December 31, 2017. The fair value of the debt instruments, as provided by third-party pricing vendors, is based on quoted prices in active markets for similar, not identical, assets. The pricing data obtained from outside sources is reviewed internally for reasonableness, compared against benchmark quotes from independent pricing sources, then confirmed or revised accordingly. If measured at fair value in the financial statements, these instruments would be classified as Level 2 in the fair value hierarchy.

The following table presents the carrying amount and estimated fair value of the Company’s debt in order of maturity:

	December 31, 2017				September 30, 2017
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
	(in millions)
1.20% Senior Notes due December 2017	$	—	$	—	$	1,749	$	1,751
2.20% Senior Notes due December 2020	2,991		2,998		2,990		3,031
2.15% Senior Notes due September 2022	993		986		993		997
2.80% Senior Notes due December 2022	2,240		2,283		2,240		2,301
3.15% Senior Notes due December 2025	3,969		4,089		3,967		4,098
2.75% Senior Notes due September 2027	740		740		740		737
4.15% Senior Notes due December 2035	1,486		1,665		1,485		1,637
4.30% Senior Notes due December 2045	3,462		3,983		3,463		3,873
3.65% Senior Notes due September 2047	740		770		740		746
Total	$	16,621	$	17,514	$	18,367	$	19,171

Other financial instruments not measured at fair value. The following financial instruments are not measured at     fair value on the Company's unaudited consolidated balance sheet at December 31, 2017, but disclosure of their fair values is required: time deposits recorded in prepaid expenses and other current assets, settlement receivable and payable, commercial paper and customer collateral. The estimated fair value of such instruments at December 31, 2017 approximates their carrying value due to their generally short maturities. If measured at fair value in the financial statements, these financial instruments would be classified as Level 2 in the fair value hierarchy.

Investments

Available-for-sale investment securities. The Company had $110 million in gross unrealized gains and $12 million in gross unrealized losses at December 31, 2017. There were $120 million gross unrealized gains and $4 million gross unrealized losses at September 30, 2017. A majority of the Company's available-for-sale investment securities with stated maturities are due within one to two years.

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Debt

3 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Debt

Note 4—Debt

The Company had outstanding debt as follows:

	December 31, 2017							September 30, 2017
	Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Effective Interest Rate
	(in millions, except percentages)
1.20% Senior Notes due December 2017 (the "2017 Notes")	$	—	$	—		$	—	$	1,750	$	(1	)	$	1,749	1.37	%
Total current maturities of long-term debt	—		—			—		1,750		(1		)	1,749
2.20% Senior Notes due December 2020	3,000		(9		)	2,991		3,000		(10		)	2,990		2.30	%
2.15% Senior Notes due September 2022	1,000		(7		)	993		1,000		(7		)	993		2.30	%
2.80% Senior Notes due December 2022	2,250		(10		)	2,240		2,250		(10		)	2,240		2.89	%
3.15% Senior Notes due December 2025	4,000		(31		)	3,969		4,000		(33		)	3,967		3.26	%
2.75% Senior Notes due September 2027	750		(10		)	740		750		(10		)	740		2.91	%
4.15% Senior Notes due December 2035	1,500		(14		)	1,486		1,500		(15		)	1,485		4.23	%
4.30% Senior Notes due December 2045	3,500		(38		)	3,462		3,500		(37		)	3,463		4.37	%
3.65% Senior Notes due September 2047	750		(10		)	740		750		(10		)	740		3.73	%
Total long-term debt	16,750		(129		)	16,621		16,750		(132		)	16,618
Total debt	$	16,750	$	(129	)	$	16,621	$	18,500	$	(133	)	$	18,367

Senior Notes

On October 11, 2017, the Company redeemed all of the $1.75 billion principal amount outstanding of the 2017 Notes. The redemption was funded with net proceeds from new fixed-rate senior notes issued by the Company in September 2017. As a result of this redemption, we recorded a $1 million loss on extinguishment of debt during the three months ended December 31, 2017.

The Company recognized interest expense for the senior notes of $138 million and $125 million for the three months ended December 31, 2017 and 2016, respectively, as non-operating expense.

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Settlement Guarantee Management

3 Months Ended

Dec. 31, 2017

Settlement Guarantee Management [Abstract]

Settlement Guarantee Management

Note 5—Settlement Guarantee Management

The Company indemnifies its clients for settlement losses suffered due to failure of any other clients to fund its settlement obligations in accordance with the Visa rules. This indemnification creates settlement risk for the Company due to the difference in timing between the date of a payment transaction and the date of subsequent settlement. The Company’s settlement exposure is limited to the amount of unsettled Visa payment transactions at any point in time. The Company requires certain clients that do not meet its credit standards to post collateral to offset potential loss from their estimated unsettled transactions. The Company’s estimated maximum settlement exposure was $71.3 billion during the three months ended December 31, 2017, compared to $67.7 billion during the three months ended September 30, 2017. Of these amounts, $4.5 billion and $2.8 billion were covered by collateral at December 31, 2017 and September 30, 2017, respectively. The total available collateral balances presented in the table below were greater than the settlement exposure covered by customer collateral held due to instances in which the available collateral exceeded the total settlement exposure for certain financial institutions at each date presented.

The Company maintained collateral as follows:

	December 31, 2017		September 30, 2017
	(in millions)
Cash equivalents(1)	$	1,569	$	1,490
Pledged securities at market value	169		167
Letters of credit	1,319		1,316
Guarantees	617		941
Total	$	3,674	$	3,914

⁽¹⁾  Cash collateral held by Visa Europe is not included on the Company's consolidated balance sheets as its clients retain beneficial ownership and the cash is only accessible to the Company in the event of default by the client on its settlement obligations.

The fair value of the settlement risk guarantee is estimated based on a proprietary probability-weighted model and was approximately $3 millionat December 31, 2017 and September 30, 2017. These amounts are reflected in accrued liabilities on the Company's consolidated balance sheets.

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Pension and Other Postretirement Benefits

3 Months Ended

Dec. 31, 2017

Retirement Benefits [Abstract]

Pension and Other Postretirement Benefits

Note 6—Pension and Other Postretirement Benefits

The Company sponsors various qualified and non-qualified defined benefit pension and other postretirement benefit plans that provide for retirement and medical benefits for all eligible employees residing in the United States. The Company also sponsors other pension benefit plans that provide benefits for internationally-based employees at certain non-U.S. locations. The components of net periodic benefit cost presented below include the U.S. pension and other postretirement benefit plans and the non-U.S. pension plans, comprising only the Visa Europe plans. Disclosures relating to other non-U.S. pension benefit plans are not included as they are immaterial, individually and in aggregate.

	U.S. Plans											Non-U.S. Plans
	Pension Benefits						Other Postretirement Benefits					Pension Benefits
	Three Months Ended December 31,						Three Months Ended December 31,					Three Months Ended December 31,
	2017			2016			2017		2016			2017			2016
	(in millions)
Service cost	$	—		$	—		$	—	$	—		$	1		$	2
Interest cost	8			9			—		—			3			3
Expected return on plan assets	(17		)	(18		)	—		—			(5		)	(4		)
Amortization of:
Prior service credit	—			—			—		(1		)	—			—
Actuarial loss	—			4			—		—			—			—
Settlement loss	—			2			—		—			—			—
Total net periodic benefit cost	$	(9	)	$	(3	)	$	—	$	(1	)	$	(1	)	$	1

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Stockholders' Equity

3 Months Ended

Dec. 31, 2017

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Note 7—Stockholders' Equity

As-Converted Class A Common Stock. The number of shares of each series and class and the number of shares of class A common stock on an as-converted basis at December 31, 2017, are as follows:

(in millions, except conversion rates)	Shares Outstanding	Conversion Rate Into Class A Common Stock		As-converted Class A Common Stock(1)
UK&I preferred stock	2	12.9660		32
Europe preferred stock	3	13.8930		44
Class A common stock(2)	1,805	—		1,805
Class B common stock	245	1.6483	(3)	405
Class C common stock	12	4.0000		49
Total				2,335

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted class A common stock is calculated based on unrounded numbers.

⁽²⁾  Class A common stock shares outstanding exclude repurchases traded but not yet settled on or before December 31, 2017.

⁽³⁾  The class B to class A common stock conversion rate is presented on a rounded basis. Conversion calculations for dividend payments are based on a conversion rate rounded to the tenth decimal.

Reduction in as-converted shares. During the three months ended December 31, 2017, total as-converted class A common stock was reduced by 17 million shares at an average price of $110.27 per share. Of the 17 million shares, 16 million were repurchased in the open market using $1.8 billion of operating cash on hand. Additionally, the Company recovered $50 million of VE territory covered losses in accordance with the Europe retrospective responsibility plan. The recovery has the same economic effect on earnings per share as repurchasing the Company's class A common stock, because it reduces the UK&I and Europe preferred stock conversion rates and consequently the as-converted class A common stock share count. See Note 2—U.S. and Europe Retrospective Responsibility Plans.

The following table presents share repurchases in the open market.⁽¹⁾ 

(in millions, except per share data)	Three Months Ended December 31, 2017
Shares repurchased in the open market(2)	16
Average repurchase price per share(3)	$	110.24
Total cost	$	1,778

⁽¹⁾   Shares repurchased in the open market reflect repurchases settled during the three months ended December 31, 2017. These amounts include repurchases traded but not yet settled on or before September 30, 2017 and exclude repurchases traded but not yet settled on or before December 31, 2017.

⁽²⁾  All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

⁽³⁾  Figures in the table may not recalculate exactly due to rounding. Average repurchase price per share is calculated based on unrounded numbers.

As of December 31, 2017, the Company's April 2017 share repurchase program had remaining authorized funds of $2.1 billion for share repurchase. All share repurchase programs authorized prior to April 2017 have been completed. In January 2018, the Company's board of directors authorized an additional $7.5 billion share repurchase program.

Under the terms of the Europe retrospective responsibility plan, the Company is entitled to recover VE territory covered losses through periodic adjustments to the class A common stock conversion rates applicable to the UK&I and Europe preferred stock. See Note 2—U.S. and Europe Retrospective Responsibility Plans.

The following table presents as-converted UK&I and Europe preferred stock, after the Company recovered VE territory covered losses through conversion rate adjustments, for the three months ended December 31, 2017.

	Three Months Ended December 31, 2017
(in millions, except per share data)	UK&I Preferred Stock		Europe Preferred Stock
Reduction in equivalent number of shares of class A common stock(1)	—		—
Effective price per share(2)	$	111.32	$	111.32
Recovery through conversion rate adjustment	$	31	$	19

⁽¹⁾  The reduction in equivalent number of shares of class A common stock was less than one million shares for both series of preferred stock.

⁽²⁾  Effective price per share is calculated using the volume-weighted average price of the Company's class A common stock over a pricing period in accordance with the Company's current certificates of designations for its series B and C convertible participating preferred stock.

Dividends. In January 2018, the Company’s board of directors declared a quarterly cash dividend of $0.21 per share of class A common stock (determined in the case of class B and C common stock and UK&I and Europe preferred stock on an as-converted basis). The cash dividend will be paid on March 6, 2018, to all holders of record of the Company's common and preferred stock as of February 16, 2018. The Company declared and paid $458 million in dividends to holders of the Company's common stock during the three months ended December 31, 2017.

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Earnings Per Share

3 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Earnings Per Share

Note 8—Earnings Per Share

Basic earnings per share is computed by dividing net income available to each class by the weighted-average number of shares of common stock outstanding and participating securities during the period. Net income is allocated to each class of common stock and participating securities based on its proportional ownership on an as-converted basis. The weighted-average number of shares of each class of common stock outstanding reflects changes in ownership over the periods presented. See Note 7—Stockholders' Equity.

Diluted earnings per share is computed by dividing net income available by the weighted-average number of shares of common stock outstanding, participating securities and, if dilutive, potential class A common stock equivalent shares outstanding during the period. Dilutive class A common stock equivalents may consist of: (1) shares of class A common stock issuable upon the conversion of UK&I and Europe preferred stock and class B and C common stock based on the conversion rates in effect through the period, and (2) incremental shares of class A common stock calculated by applying the treasury stock method to the assumed exercise of employee stock options, the assumed purchase of stock under the Employee Stock Purchase Plan and the assumed vesting of unearned performance shares.

The following table presents earnings per share for the three months ended December 31, 2017.⁽¹⁾

	Basic Earnings Per Share					Diluted Earnings Per Share
	(in millions, except per share data)
	Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)	Earnings per Share = (A)/(B)		Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)		Earnings per Share = (A)/(B)
Class A common stock	$	1,945	1,811	$	1.07	$	2,522	2,353	(3)	$	1.07
Class B common stock	435		245	$	1.77	$	434	245		$	1.77
Class C common stock	54		13	$	4.30	$	54	13		$	4.29
Participating securities(4)	88		Not presented	Not presented		$	87	Not presented		Not presented
Net income	$	2,522

The following table presents earnings per share for the three months ended December 31, 2016.⁽¹⁾ 

	Basic Earnings Per Share					Diluted Earnings Per Share
	(in millions, except per share data)
	Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)	Earnings per Share = (A)/(B)		Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)		Earnings per Share = (A)/(B)
Class A common stock	$	1,594	1,860	$	0.86	$	2,070	2,421	(3)	$	0.86
Class B common stock	347		245	$	1.41	$	346	245		$	1.41
Class C common stock	57		17	$	3.43	$	57	17		$	3.42
Participating securities(4)	72		Not presented	Not presented		$	72	Not presented		Not presented
Net income	$	2,070

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

⁽²⁾  Net income is allocated based on proportional ownership on an as-converted basis. The weighted-average number of shares of as-converted class B common stock used in the income allocation was 405 million for the three months ended December 31, 2017 and 2016. The weighted-average number of shares of as-converted class C common stock used in the income allocation was 51 million and 67 million for the three months ended December 31, 2017 and 2016, respectively. The weighted-average number of shares of preferred stock, included within participating securities, was 32 million and 35 million of as-converted UK&I preferred stock for the three months ended December 31, 2017 and 2016, respectively, and 44 million of as-converted Europe preferred stock for the three months ended December 31, 2017 and 2016.

⁽³⁾  Weighted-average diluted shares outstanding are calculated on an as-converted basis, and include incremental common stock equivalents, as calculated under the treasury stock method. The computation includes approximately 5 million common stock equivalents for the three months ended December 31, 2017 and 2016, because their effect would be dilutive. The computation excludes 2 million and 3 million of common stock equivalents for the three months ended December 31, 2017 and 2016, respectively, because their effect would have been anti-dilutive.

⁽⁴⁾  Participating securities include preferred stock outstanding and unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents, such as the Company's UK&I and Europe preferred stock, restricted stock awards, restricted stock units and earned performance-based shares. Participating securities' income is allocated based on the weighted-average number of shares of as-converted stock.

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Share-based Compensation

3 Months Ended

Dec. 31, 2017

Share-based Compensation [Abstract]

Share-based Compensation

Note 9—Share-based Compensation

The Company granted the following equity awards to employees and non-employee directors under the 2007 Equity Incentive Compensation Plan during the three months ended December 31, 2017:

	Granted	Weighted-Average Grant Date Fair Value		Weighted-Average Exercise Price
Non-qualified stock options	1,622,760	$	17.88	$	109.82
Restricted stock units ("RSUs")	2,626,011	$	109.82
Performance-based shares(1)	641,498	$	120.11

⁽¹⁾   Represents the maximum number of performance-based shares which could be earned.

The Company’s non-qualified stock options and RSUs are equity awards with service-only conditions and are accordingly expensed on a straight-line basis over the vesting period. The Company's performance-based shares are equity awards with service, market and performance conditions that are accounted for using the graded-vesting method. The Company recorded share-based compensation cost of $68 million for the three months ended December 31, 2017, net of estimated forfeitures, which are adjusted as appropriate.

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Income Taxes

3 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Income Taxes

Note 10—Income Taxes

The effective income tax rates were 22% and 31% for the three months ended December 31, 2017 and 2016, respectively. The effective tax rate for the three months ended December 31, 2017 differs from the effective tax rate in the same prior-year period primarily due to U.S. tax reform legislation, commonly referred to as the Tax Cuts and Jobs Act (the "Tax Act”), enacted on December 22, 2017. The Tax Act transitions the U.S. tax system to a new territorial system and lowers the statutory federal corporate income tax rate from 35% to 21%.

The reduction of the statutory federal corporate tax rate to 21% became effective on January 1, 2018. In fiscal 2018, the Company’s statutory federal corporate rate is a blended rate of 24.5%, which will be reduced to 21% in fiscal 2019 and thereafter.

As a result of the reduction in the federal corporate tax rate, the Company remeasured its net deferred tax liabilities as of the enactment date of the Tax Act. The deferred tax remeasurement resulted in a one-time, non-cash tax benefit estimated to be approximately $1.1 billion, recorded in the three months ended December 31, 2017.

In transitioning to the new territorial tax system, the Tax Act requires the Company to include certain untaxed foreign earnings of non-U.S. subsidiaries in its fiscal 2018 taxable income. Such foreign earnings are subject to a one-time tax at 15.5% on the amount held in cash or cash equivalents, and at 8% on the remaining non-cash amount. The 15.5% and 8% tax, collectively referred to as the “transition tax”, was estimated to be $1.1 billion, and was recorded in the three months ended December 31, 2017. The Company intends to elect to pay the transition tax over a period of eight years as permitted by the Tax Act.

The above-mentioned accounting impacts of the deferred tax remeasurement and transition tax are provisional, based on currently available information and technical guidance on the interpretations of the new law. The Company continues to obtain and analyze additional information and guidance as they become available to complete the accounting for the tax impacts of the Tax Act. Additional information currently unavailable that is needed to complete the analysis includes, but is not limited to, foreign tax returns and foreign tax documentation for the computation of foreign tax credits, the final determination of the untaxed foreign earnings subject to the transition tax, and the final determination of the net deferred tax liabilities subject to remeasurement. The provisional accounting impacts may change in future reporting periods until the accounting analysis is finalized, which will occur no later than the first quarter of fiscal 2019, as permitted by Staff Accounting Bulletin 118.

The Tax Act also introduces several tax provisions, including:

• Tax on global intangible low-tax income, which, in general, is determined annually based on the Company’s aggregate foreign subsidiaries’ income in excess of certain qualified business asset investment return. This provision is effective for the Company on October 1, 2018. The Company needs additional information to complete its analysis on whether to adopt an accounting policy to account for the tax effects of global intangible low-tax income in the period that it is subject to such tax, or to provide deferred taxes for book and tax basis differences that, upon reversal, may be subject to such tax. Hence, the Company has not recorded any tax on global intangible low-tax income in the three months ended December 31, 2017. The Company will make an accounting policy election no later than the first quarter of fiscal 2019.

• Base erosion and anti-abuse tax, which, in general, functions like a minimum tax that partially disallows deductions for certain related party transactions. This new minimum tax is determined on a year-by-year basis, and this provision is effective for the Company on October 1, 2018. Hence, no base erosion anti-abuse tax was recorded in the three months ended December 31, 2017.

• Deduction for foreign-derived intangible income, which, in general, allows a deduction of certain intangible income derived from serving foreign markets. This provision is effective for the Company on October 1, 2018. Hence, the Company has not recorded the impact of this provision in the three months ended December 31, 2017.

• Other new tax provisions, which disallow certain deductions related to entertainment expenses, fringe benefits provided to employees, executive compensation, and fines or penalties or similar payments to governments. The Company has recorded provisional amounts for the tax effects of these new provisions in the three months ended December 31, 2017, based on information currently available. The provisional amounts may change in future reporting periods when additional information is obtained and analyzed, which will occur no later than the first quarter of fiscal 2019.

During the three months ended December 31, 2017, the Company's gross unrecognized tax benefits increased by $44 million. The Company's net unrecognized tax benefits that, if recognized, would favorably impact the effective tax rate increased by $38 million. The increase in unrecognized tax benefits is primarily related to various tax positions across several jurisdictions. During the three months ended December 31, 2017 and 2016, there were no significant changes in interest and penalties related to uncertain tax positions.

The Company’s tax filings are subject to examination by the U.S. federal, state and foreign taxing authorities. The timing and outcome of the final resolutions of the various ongoing income tax examinations are highly uncertain. It is not reasonably possible to estimate the increase or decrease in unrecognized tax benefits within the next twelve months.

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Legal Matters

3 Months Ended

Dec. 31, 2017

Dec. 31, 2016

Legal Matters [Abstract]

Legal Matters

Note 11—Legal Matters

The Company is party to various legal and regulatory proceedings. Some of these proceedings involve complex claims that are subject to substantial uncertainties and unascertainable damages. Accordingly, except as disclosed, the Company has not established reserves or ranges of possible loss related to these proceedings, as at this time in the proceedings, the matters do not relate to a probable loss and/or the amount or range of losses are not reasonably estimable. Although the Company believes that it has strong defenses for the litigation and regulatory proceedings described below, it could, in the future, incur judgments or fines or enter into settlements of claims that could have a material adverse effect on the Company's financial position, results of operations or cash flows. From time to time, the Company may engage in settlement discussions or mediations with respect to one or more of its outstanding litigation matters, either on its own behalf or collectively with other parties.

The litigation accrual is an estimate and is based on management’s understanding of its litigation profile, the specifics of each case, advice of counsel to the extent appropriate and management’s best estimate of incurred loss as of the balance sheet date.

The following table summarizes the activity related to accrued litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	982		$	981
Provision for uncovered legal matters	—			15
Accrual of VE territory covered litigation	—			86
Payments on legal matters	(152		)	(88		)
Balance at end of period	$	830		$	994

Accrual Summary—U.S. Covered Litigation

Visa Inc., Visa U.S.A. and Visa International are parties to certain legal proceedings that are covered by the U.S. retrospective responsibility plan, which the Company refers to as the U.S. covered litigation. See Note 2—U.S. and Europe Retrospective Responsibility Plans. An accrual for the U.S. covered litigation and a charge to the litigation provision are recorded when a loss is deemed to be probable and reasonably estimable. In making this determination, the Company evaluates available information, including but not limited to actions taken by the litigation committee. The total accrual related to the U.S. covered litigation could be either higher or lower than the escrow account balance.

The following table summarizes the activity related to U.S. covered litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	978		$	978
Payments on U.S. covered litigation	(150		)	—
Balance at end of period	$	828		$	978

Accrual Summary—VE Territory Covered Litigation

Visa Inc., Visa International and Visa Europe are parties to certain legal proceedings that are covered by the Europe retrospective responsibility plan. Unlike the U.S. retrospective responsibility plan, the Europe retrospective responsibility plan does not have an escrow account that is used to fund settlements or judgments. The Company is entitled to recover VE territory covered losses through periodic adjustments to the conversion rates applicable to the UK&I preferred stock and Europe preferred stock. An accrual for the VE territory covered losses and a reduction to stockholders' equity will be recorded when the loss is deemed to be probable and reasonably estimable. See further discussion below under VE Territory Covered Litigation and Note 2—U.S. and Europe Retrospective Responsibility Plans.

The following table summarizes the activity related to VE territory covered litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	1		$	2
Accrual for VE territory covered litigation	—			86
Payments on VE territory covered litigation	(1		)	(88		)
Balance at end of period	$	—		$	—

Interchange Multidistrict Litigation (MDL) – Individual Merchant Actions

A number of individual merchant actions previously filed have been settled, and remain settled. In addition, following the automatic termination of the settlement agreement with Wal-Mart Stores Inc., Visa and Wal-Mart Stores Inc. entered into a new, unconditional settlement agreement on October 31, 2017. Consequently, as of the filing date, Visa has reached settlement agreements with individual merchants representing approximately 51% of the Visa-branded payment card sales volume of merchants who opted out of the 2012 Settlement Agreement.

VE Territory Covered Litigation

UK Merchant Litigation

Since July 2013, in excess of 300 Merchants (the capitalized term "Merchant," when used in this section, means a merchant together with subsidiary/affiliate companies that are party to the same claim) have commenced proceedings against Visa Europe, Visa Inc. and Visa International relating to interchange rates in Europe. They seek damages for alleged anti-competitive conduct in relation to one or more of the following types of interchange fees for credit and debit card transactions: UK domestic, Irish domestic, other European domestic, intra-European Economic Area and/or other inter-regional. As of the filing date, Visa Europe, Visa Inc. and Visa International have settled the claims asserted by over 75 Merchants, leaving more than 200 Merchants with outstanding claims.

In November 2016, a trial commenced relating to claims filed by a number of Merchants. All of these Merchants except one settled before the trial concluded in March 2017. On November 30, 2017, the court found entirely in Visa’s favor and entered judgment dismissing the remaining claim. An appeal has been lodged, and the Court of Appeal listed the matter for hearing in April 2018. A further judgment on exemption issues is expected to be released in early 2018, which will not change the overall finding on liability set out in the November 30, 2017 judgment.

In addition, over 30 additional Merchants have threatened to commence similar proceedings. Standstill agreements have been entered into with respect to some of those Merchants' claims. While the amount of interchange being challenged could be substantial, these claims have not yet been filed and their full scope is not yet known. The Company has learned that several additional European entities have indicated that they may also bring similar claims and the Company anticipates additional claims in the future.

Other Litigation

Canadian Competition Proceedings

Merchant Litigation. The court in Quebec held a class certification hearing in November 2017 and reserved decision.

Black Card

On December 28, 2017, Black Card LLC ("Black Card") filed a lawsuit against Visa Inc., Visa U.S.A. Inc., and certain Visa member financial institutions in the U.S. District Court for the Western District of Wisconsin. The complaint alleges that defendants conspired to impede Black Card's business in violation of Section 1 of the Sherman Act and fraudulently concealed their conduct. Black Card seeks treble damages, post-judgment interest, and attorneys' fees.

This action follows a lawsuit filed by Black Card in the U.S. District Court for the District of Wyoming in February 2015 relating to a contractual dispute. The District Court in Wyoming granted Visa's motions for summary judgment and the matter was dismissed. Black Card appealed this decision to the U.S. Court of Appeals for the Tenth Circuit on May 10, 2017.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Consolidation and basis of presentation

Consolidation and basis of presentation. The accompanying unaudited consolidated financial statements include the accounts of Visa and its consolidated entities and are presented in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP"). The Company consolidates its majority-owned and controlled entities, including variable interest entities ("VIEs") for which the Company is the primary beneficiary. The Company’s investments in VIEs have not been material to its consolidated financial statements as of and for the periods presented. All significant intercompany accounts and transactions are eliminated in consolidation.

The accompanying unaudited consolidated financial statements are presented in accordance with the U.S. Securities and Exchange Commission (SEC) requirements for Quarterly Reports on Form 10-Q and, consequently, do not include all of the annual disclosures required by U.S. GAAP. Reference should be made to the Visa Annual Report on Form 10-K for the year ended September 30, 2017 for additional disclosures, including a summary of the Company’s significant accounting policies.

In the opinion of management, the accompanying unaudited consolidated financial statements include all normal recurring adjustments necessary for a fair presentation of the Company's financial position, results of operations and cash flows for the interim periods presented.

Recently issued and adopted accounting pronouncements

Recently Issued and Adopted Accounting Pronouncements.

In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2014-09, which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of goods or services to customers. The ASU will replace existing revenue recognition guidance in U.S. GAAP when it becomes effective. Subsequently, the FASB also issued a series of amendments to the new revenue standard. The Company will adopt the standard effective October 1, 2018, and expects to adopt the standard using the modified retrospective transition method. The Company expects that the new standard will primarily impact recognition timing for certain fixed incentives and price discounts provided to clients, and the classification of certain client incentives between contra revenues and operating expenses. The Company is still in the process of quantifying the full effect that ASU 2014-09 and all of its related subsequent updates will have on its consolidated financial statements and related disclosures. The impact of the new standard to future financial results is unknowable as it is not possible to estimate the impact to the recognition of new customer contracts which may be executed in future periods. The Company has completed an assessment of its existing customer contracts through December 31, 2017. Application of the new standard to consolidated financial statements for the first quarter of fiscal 2018 would not have resulted in a material impact. The Company will continue to assess the impact of the new standard as new customer contracts are executed going forward.

In March 2016, the FASB issued ASU 2016-05, which clarifies that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815, Derivatives and Hedging, does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

In March 2016, the FASB issued ASU 2016-06, which clarifies the requirements for assessing whether contingent call/put options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment is required to assess the embedded call/put options solely in accordance with a four-step decision sequence. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

In March 2016, the FASB issued ASU 2016-07, which eliminates the requirement that an entity retroactively adopt the equity method of accounting if an investment qualifies for use of the equity method as a result of an increase in the level of ownership or degree of influence. The equity method investor is required to add the cost of acquiring the additional interest in the investee to the current basis of the investor's previously held interest and adopt the equity method of accounting as of the date the investment becomes qualified for equity method accounting. The Company adopted the standard effective October 1, 2017. The adoption did not have a material impact on the consolidated financial statements.

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U.S. and Europe Retrospective Responsibility Plans (Tables)

3 Months Ended

Dec. 31, 2017

Retrospective Responsibility Plan [Abstract]

Schedule of Activities Related to Territory Covered Losses and Right to Recover for Covered Losses

The following table sets forth the activities related to VE territory covered losses in preferred stock and "right to recover for covered losses" within equity during the three months ended December 31, 2017. VE territory covered losses incurred reflect settlements with merchants and additional legal costs. See Note 11—Legal Matters.

	Preferred Stock						Right to Recover for Covered Losses
	UK&I			Europe
	(in millions)
Balance as of September 30, 2017	$	2,326		$	3,200		$	(52	)
VE territory covered losses incurred	—			—			(3		)
Recovery through conversion rate adjustment	(31		)	(19		)	50
Balance as of December 31, 2017	$	2,295		$	3,181		$	(5	)

Schedule of As-converted and Book Value of Preferred Stock Available to Recover Europe Covered Losses

The following table sets forth the as-converted value of the preferred stock available to recover VE territory covered losses compared to the book value of preferred shares recorded in stockholders' equity within the Company's unaudited consolidated balance sheet as of December 31, 2017 and September 30, 2017.⁽¹⁾

	December 31, 2017						September 30, 2017
	As-Converted Value of Preferred Stock(2)			Book Value of Preferred Stock			As-Converted Value of Preferred Stock(3)			Book Value of Preferred Stock
	(in millions)
UK&I preferred stock	$	3,667		$	2,295		$	3,414		$	2,326
Europe preferred stock	5,001			3,181			4,634			3,200
Total	8,668			5,476			8,048			5,526
Less: right to recover for covered losses	(5		)	(5		)	(52		)	(52		)
Total recovery for covered losses available	$	8,663		$	5,471		$	7,996		$	5,474

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted and book values are based on unrounded numbers.

⁽²⁾  The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of December 31, 2017; (b)12.966 and 13.893, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of December 31, 2017, respectively; and (c) $114.02, Visa's class A common stock closing stock price as of December 31, 2017.

⁽³⁾  The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of September 30, 2017; (b)13.077 and 13.948, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of September 30, 2017, respectively; and (c) $105.24, Visa's class A common stock closing stock price as of September 30, 2017.

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Fair Value Measurements and Investments (Tables)

3 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

Assets and Liabilities Measured at Fair Value on a Recurring Basis

	Fair Value Measurements Using Inputs Considered as
	Level 1				Level 2
	December 31, 2017		September 30, 2017		December 31, 2017		September 30, 2017
	(in millions)
Assets
Cash equivalents and restricted cash:
Money market funds	$	5,918	$	5,935
U.S. government-sponsored debt securities					$	567	$	2,870
Investment securities, trading:
Equity securities	106		82
Investment securities, available-for-sale:
U.S. government-sponsored debt securities					3,530		3,663
U.S. Treasury securities	2,337		1,621
Equity securities	114		124
Prepaid and other current assets:
Foreign exchange derivative instruments					26		18
Total	$	8,475	$	7,762	$	4,123	$	6,551
Liabilities
Accrued liabilities:
Foreign exchange derivative instruments					$	65	$	98
Total	$	—	$	—	$	65	$	98

Schedule of Long-term Debt Instruments

The following table presents the carrying amount and estimated fair value of the Company’s debt in order of maturity:

	December 31, 2017				September 30, 2017
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
	(in millions)
1.20% Senior Notes due December 2017	$	—	$	—	$	1,749	$	1,751
2.20% Senior Notes due December 2020	2,991		2,998		2,990		3,031
2.15% Senior Notes due September 2022	993		986		993		997
2.80% Senior Notes due December 2022	2,240		2,283		2,240		2,301
3.15% Senior Notes due December 2025	3,969		4,089		3,967		4,098
2.75% Senior Notes due September 2027	740		740		740		737
4.15% Senior Notes due December 2035	1,486		1,665		1,485		1,637
4.30% Senior Notes due December 2045	3,462		3,983		3,463		3,873
3.65% Senior Notes due September 2047	740		770		740		746
Total	$	16,621	$	17,514	$	18,367	$	19,171

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Debt (Tables)

3 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Debt

The Company had outstanding debt as follows:

	December 31, 2017							September 30, 2017
	Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Effective Interest Rate
	(in millions, except percentages)
1.20% Senior Notes due December 2017 (the "2017 Notes")	$	—	$	—		$	—	$	1,750	$	(1	)	$	1,749	1.37	%
Total current maturities of long-term debt	—		—			—		1,750		(1		)	1,749
2.20% Senior Notes due December 2020	3,000		(9		)	2,991		3,000		(10		)	2,990		2.30	%
2.15% Senior Notes due September 2022	1,000		(7		)	993		1,000		(7		)	993		2.30	%
2.80% Senior Notes due December 2022	2,250		(10		)	2,240		2,250		(10		)	2,240		2.89	%
3.15% Senior Notes due December 2025	4,000		(31		)	3,969		4,000		(33		)	3,967		3.26	%
2.75% Senior Notes due September 2027	750		(10		)	740		750		(10		)	740		2.91	%
4.15% Senior Notes due December 2035	1,500		(14		)	1,486		1,500		(15		)	1,485		4.23	%
4.30% Senior Notes due December 2045	3,500		(38		)	3,462		3,500		(37		)	3,463		4.37	%
3.65% Senior Notes due September 2047	750		(10		)	740		750		(10		)	740		3.73	%
Total long-term debt	16,750		(129		)	16,621		16,750		(132		)	16,618
Total debt	$	16,750	$	(129	)	$	16,621	$	18,500	$	(133	)	$	18,367

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Settlement Guarantee Management (Tables)

3 Months Ended

Dec. 31, 2017

Settlement Guarantee Management [Abstract]

Schedule of Customer Collateral

The Company maintained collateral as follows:

	December 31, 2017		September 30, 2017
	(in millions)
Cash equivalents(1)	$	1,569	$	1,490
Pledged securities at market value	169		167
Letters of credit	1,319		1,316
Guarantees	617		941
Total	$	3,674	$	3,914

⁽¹⁾  Cash collateral held by Visa Europe is not included on the Company's consolidated balance sheets as its clients retain beneficial ownership and the cash is only accessible to the Company in the event of default by the client on its settlement obligations.

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Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Dec. 31, 2017

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

	U.S. Plans											Non-U.S. Plans
	Pension Benefits						Other Postretirement Benefits					Pension Benefits
	Three Months Ended December 31,						Three Months Ended December 31,					Three Months Ended December 31,
	2017			2016			2017		2016			2017			2016
	(in millions)
Service cost	$	—		$	—		$	—	$	—		$	1		$	2
Interest cost	8			9			—		—			3			3
Expected return on plan assets	(17		)	(18		)	—		—			(5		)	(4		)
Amortization of:
Prior service credit	—			—			—		(1		)	—			—
Actuarial loss	—			4			—		—			—			—
Settlement loss	—			2			—		—			—			—
Total net periodic benefit cost	$	(9	)	$	(3	)	$	—	$	(1	)	$	(1	)	$	1

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Stockholders' Equity (Tables)

3 Months Ended

Dec. 31, 2017

Stockholders' Equity Note [Abstract]

Schedule of Stock by Class

The number of shares of each series and class and the number of shares of class A common stock on an as-converted basis at December 31, 2017, are as follows:

(in millions, except conversion rates)	Shares Outstanding	Conversion Rate Into Class A Common Stock		As-converted Class A Common Stock(1)
UK&I preferred stock	2	12.9660		32
Europe preferred stock	3	13.8930		44
Class A common stock(2)	1,805	—		1,805
Class B common stock	245	1.6483	(3)	405
Class C common stock	12	4.0000		49
Total				2,335

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted class A common stock is calculated based on unrounded numbers.

⁽²⁾  Class A common stock shares outstanding exclude repurchases traded but not yet settled on or before December 31, 2017.

⁽³⁾  The class B to class A common stock conversion rate is presented on a rounded basis. Conversion calculations for dividend payments are based on a conversion rate rounded to the tenth decimal.

Share Repurchase Program Disclosure

The following table presents share repurchases in the open market.⁽¹⁾ 

(in millions, except per share data)	Three Months Ended December 31, 2017
Shares repurchased in the open market(2)	16
Average repurchase price per share(3)	$	110.24
Total cost	$	1,778

⁽¹⁾   Shares repurchased in the open market reflect repurchases settled during the three months ended December 31, 2017. These amounts include repurchases traded but not yet settled on or before September 30, 2017 and exclude repurchases traded but not yet settled on or before December 31, 2017.

⁽²⁾  All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

⁽³⁾  Figures in the table may not recalculate exactly due to rounding. Average repurchase price per share is calculated based on unrounded numbers.

Effect of VE Territory Covered Losses Recovery on the Company Repurchasing its Common Stock

The following table presents as-converted UK&I and Europe preferred stock, after the Company recovered VE territory covered losses through conversion rate adjustments, for the three months ended December 31, 2017.

	Three Months Ended December 31, 2017
(in millions, except per share data)	UK&I Preferred Stock		Europe Preferred Stock
Reduction in equivalent number of shares of class A common stock(1)	—		—
Effective price per share(2)	$	111.32	$	111.32
Recovery through conversion rate adjustment	$	31	$	19

⁽¹⁾  The reduction in equivalent number of shares of class A common stock was less than one million shares for both series of preferred stock.

⁽²⁾  Effective price per share is calculated using the volume-weighted average price of the Company's class A common stock over a pricing period in accordance with the Company's current certificates of designations for its series B and C convertible participating preferred stock.

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Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents earnings per share for the three months ended December 31, 2017.⁽¹⁾

	Basic Earnings Per Share					Diluted Earnings Per Share
	(in millions, except per share data)
	Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)	Earnings per Share = (A)/(B)		Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)		Earnings per Share = (A)/(B)
Class A common stock	$	1,945	1,811	$	1.07	$	2,522	2,353	(3)	$	1.07
Class B common stock	435		245	$	1.77	$	434	245		$	1.77
Class C common stock	54		13	$	4.30	$	54	13		$	4.29
Participating securities(4)	88		Not presented	Not presented		$	87	Not presented		Not presented
Net income	$	2,522

The following table presents earnings per share for the three months ended December 31, 2016.⁽¹⁾ 

	Basic Earnings Per Share					Diluted Earnings Per Share
	(in millions, except per share data)
	Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)	Earnings per Share = (A)/(B)		Income Allocation (A)(2)		Weighted- Average Shares Outstanding (B)		Earnings per Share = (A)/(B)
Class A common stock	$	1,594	1,860	$	0.86	$	2,070	2,421	(3)	$	0.86
Class B common stock	347		245	$	1.41	$	346	245		$	1.41
Class C common stock	57		17	$	3.43	$	57	17		$	3.42
Participating securities(4)	72		Not presented	Not presented		$	72	Not presented		Not presented
Net income	$	2,070

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

⁽²⁾  Net income is allocated based on proportional ownership on an as-converted basis. The weighted-average number of shares of as-converted class B common stock used in the income allocation was 405 million for the three months ended December 31, 2017 and 2016. The weighted-average number of shares of as-converted class C common stock used in the income allocation was 51 million and 67 million for the three months ended December 31, 2017 and 2016, respectively. The weighted-average number of shares of preferred stock, included within participating securities, was 32 million and 35 million of as-converted UK&I preferred stock for the three months ended December 31, 2017 and 2016, respectively, and 44 million of as-converted Europe preferred stock for the three months ended December 31, 2017 and 2016.

⁽³⁾  Weighted-average diluted shares outstanding are calculated on an as-converted basis, and include incremental common stock equivalents, as calculated under the treasury stock method. The computation includes approximately 5 million common stock equivalents for the three months ended December 31, 2017 and 2016, because their effect would be dilutive. The computation excludes 2 million and 3 million of common stock equivalents for the three months ended December 31, 2017 and 2016, respectively, because their effect would have been anti-dilutive.

⁽⁴⁾  Participating securities include preferred stock outstanding and unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents, such as the Company's UK&I and Europe preferred stock, restricted stock awards, restricted stock units and earned performance-based shares. Participating securities' income is allocated based on the weighted-average number of shares of as-converted stock.

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Share-based Compensation (Tables)

3 Months Ended

Dec. 31, 2017

Share-based Compensation [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The Company granted the following equity awards to employees and non-employee directors under the 2007 Equity Incentive Compensation Plan during the three months ended December 31, 2017:

	Granted	Weighted-Average Grant Date Fair Value		Weighted-Average Exercise Price
Non-qualified stock options	1,622,760	$	17.88	$	109.82
Restricted stock units ("RSUs")	2,626,011	$	109.82
Performance-based shares(1)	641,498	$	120.11

⁽¹⁾   Represents the maximum number of performance-based shares which could be earned.

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Legal Matters (Tables)

3 Months Ended

Dec. 31, 2017

Loss Contingencies [Line Items]

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity related to accrued litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	982		$	981
Provision for uncovered legal matters	—			15
Accrual of VE territory covered litigation	—			86
Payments on legal matters	(152		)	(88		)
Balance at end of period	$	830		$	994

U.S. Covered Litigation

Loss Contingencies [Line Items]

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity related to U.S. covered litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	978		$	978
Payments on U.S. covered litigation	(150		)	—
Balance at end of period	$	828		$	978

VE Territory Covered Litigation

Loss Contingencies [Line Items]

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity related to VE territory covered litigation:

	Three Months Ended
	December 31, 2017			December 31, 2016
	(in millions)
Balance at beginning of period	$	1		$	2
Accrual for VE territory covered litigation	—			86
Payments on VE territory covered litigation	(1		)	(88		)
Balance at end of period	$	—		$	—

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Summary of Significant Accounting Policies (Details)	Jun. 30, 2017 country
Accounting Policies [Abstract]
Number of countries in which entity operates (more than)	200

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U.S. and Europe Retrospective Responsibility Plans (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2017
Retrospective Responsibility Plan [Abstract]
Escrow account	$ 883		$ 1,031
Payments for Legal Settlements	$ (150)	$ 0

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U.S. and Europe Retrospective Responsibility Plans - Preferred Stock Rollforward (Details) € in Millions, $ in Millions		3 Months Ended
		Dec. 31, 2017 EUR (€)	Dec. 31, 2017 USD ($)	Sep. 30, 2017
Class of Stock [Line Items]
VE territory covered loss, maximum amount of loss to allow adjustment of conversion rate during six-month period | €		€ 20
Recovery through conversion rate adjustment			$ 50
Preferred Stock and Right to Recover for Covered Losses [Roll Forward]
Preferred stock, beginning	[1]		5,526
Recovery through conversion rate adjustment			50
Preferred stock, ending	[1]		5,476
Right to recover for covered losses, beginning	[1]		52
VE territory covered losses incurred			(3)
Right to recover for covered losses, ending	[1]		5
U.K.& I preferred stock
Class of Stock [Line Items]
Recovery through conversion rate adjustment			$ (31)
Preferred stock, conversion ratio		12.9660	12.9660	13.077
Preferred Stock and Right to Recover for Covered Losses [Roll Forward]
Preferred stock, beginning	[1]		$ 2,326
Recovery through conversion rate adjustment			(31)
Preferred stock, ending	[1]		2,295
Europe preferred stock
Class of Stock [Line Items]
Recovery through conversion rate adjustment			$ (19)
Preferred stock, conversion ratio		13.8930	13.8930	13.948
Preferred Stock and Right to Recover for Covered Losses [Roll Forward]
Preferred stock, beginning	[1]		$ 3,200
Recovery through conversion rate adjustment			(19)
Preferred stock, ending	[1]		$ 3,181

[1] Figures in the table may not recalculate exactly due to rounding. As-converted and book values are based on unrounded numbers.

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U.S. and Europe Retrospective Responsibility Plans - Preferred Stock (Details) $ / shares in Units, shares in Millions, $ in Millions		Dec. 31, 2017 USD ($) $ / shares shares		Sep. 30, 2017 USD ($) $ / shares shares
Class of Stock [Line Items]
As-converted value of preferred stock	[1]	$ 8,668	[2]	$ 8,048	[3]
Book Value of Preferred stock	[1]	5,476		5,526
Right to recover for covered losses	[1]	(5)		(52)
Total recovery for covered losses available, as converted	[1]	8,663		7,996
Total recovery for covered losses available, book value	[1]	$ 5,471		5,474
Closing stock price | $ / shares		$ 114.02
U.K.& I preferred stock
Class of Stock [Line Items]
As-converted value of preferred stock	[1]	$ 3,667	[2]	3,414	[3]
Book Value of Preferred stock	[1]	$ 2,295		$ 2,326
Preferred stock, shares outstanding | shares		2		2
Preferred stock, conversion ratio		12.9660		13.077
Europe preferred stock
Class of Stock [Line Items]
As-converted value of preferred stock	[1]	$ 5,001	[2]	$ 4,634	[3]
Book Value of Preferred stock	[1]	$ 3,181		$ 3,200
Preferred stock, shares outstanding | shares		3		3
Preferred stock, conversion ratio		13.8930		13.948
Class A common stock
Class of Stock [Line Items]
Closing stock price | $ / shares				$ 105.24

[1] Figures in the table may not recalculate exactly due to rounding. As-converted and book values are based on unrounded numbers.

[2] The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of December 31, 2017; (b)12.966 and 13.893, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of December 31, 2017, respectively; and (c) $114.02, Visa's class A common stock closing stock price as of December 31, 2017.

[3] The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of December 31, 2017; (b)12.966 and 13.893, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of December 31, 2017, respectively; and (c) $114.02, Visa's class A common stock closing stock price as of December 31, 2017.(3) The as-converted value of preferred stock is calculated as the product of: (a) 2 million and 3 million shares of the UK&I and Europe preferred stock outstanding, respectively, as of September 30, 2017; (b)13.077 and 13.948, the class A common stock conversion rate applicable to the UK&I and Europe preferred stock as of September 30, 2017, respectively; and (c) $105.24, Visa's class A common stock closing stock price as of September 30, 2017.

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Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2017	Sep. 30, 2017
Assets
Investment securities, trading:	$ 106	$ 82
Liabilities
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount	0
Fair Value, Measurements, Recurring | Level 1
Assets
Total	8,475	7,762
Liabilities
Total	0	0
Fair Value, Measurements, Recurring | Level 2
Assets
Total	4,123	6,551
Liabilities
Total	65	98
Fair Value, Measurements, Recurring | Level 2 | U.S. government-sponsored debt securities
Assets
Investment securities, available-for-sale:	3,530	3,663
Cash equivalents and restricted cash: | Fair Value, Measurements, Recurring | Level 1 | Money market funds
Assets
Cash equivalents and restricted cash:	5,918	5,935
Cash equivalents and restricted cash: | Fair Value, Measurements, Recurring | Level 2 | U.S. government-sponsored debt securities
Assets
Cash equivalents and restricted cash:	567	2,870
Investment securities, trading: | Fair Value, Measurements, Recurring | Level 1 | Equity securities
Assets
Investment securities, trading:	106	82
Investment securities, available-for-sale: | Fair Value, Measurements, Recurring | Level 1 | Equity securities
Assets
Investment securities, available-for-sale:	114	124
Investment securities, available-for-sale: | Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities
Assets
Investment securities, available-for-sale:	2,337	1,621
Prepaid and other current assets: | Fair Value, Measurements, Recurring | Level 2 | Foreign exchange derivative instruments
Assets
Prepaid and other current assets:	26	18
Foreign exchange derivative instruments | Accrued liabilities: | Fair Value, Measurements, Recurring | Level 2
Liabilities
Accrued liabilities:	$ 65	$ 98

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Fair Value Measurements and Investments - Additional Information (Detail) - USD ($)	3 Months Ended
	Dec. 31, 2017	Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-marketable equity investments	$ 99,000,000	$ 94,000,000
Available-for-sale securities, gross unrealized gains	110,000,000	120,000,000
Available-for-sale securities, gross unrealized losses	$ 12,000,000	$ 4,000,000
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, stated maturities	1 year
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, stated maturities	2 years

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Fair Value Measurements and Investments Fair Value Measurements and Investments - Fair Value of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2017	Sep. 30, 2017
2017 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.20%
2020 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.20%
September 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.15%
2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.80%
2025 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.15%
2027 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.75%
2035 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.15%
2045 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.30%
2047 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.65%
Senior Notes | 2017 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.20%
Senior Notes | 2020 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.20%
Senior Notes | September 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.15%
Senior Notes | 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.80%
Senior Notes | 2025 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.15%
Senior Notes | 2027 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Senior Notes | 2035 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.15%
Senior Notes | 2045 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.30%
Senior Notes | 2047 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.65%
Senior Notes | Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	$ 16,621	$ 18,367
Senior Notes | Carrying Amount | 2017 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	0	1,749
Senior Notes | Carrying Amount | 2020 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	2,991	2,990
Senior Notes | Carrying Amount | September 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	993	993
Senior Notes | Carrying Amount | 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	2,240	2,240
Senior Notes | Carrying Amount | 2025 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	3,969	3,967
Senior Notes | Carrying Amount | 2027 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	740	740
Senior Notes | Carrying Amount | 2035 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	1,486	1,485
Senior Notes | Carrying Amount | 2045 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	3,462	3,463
Senior Notes | Carrying Amount | 2047 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	740	740
Senior Notes | Estimated Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	17,514	19,171
Senior Notes | Estimated Fair Value | 2017 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	0	1,751
Senior Notes | Estimated Fair Value | 2020 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	2,998	3,031
Senior Notes | Estimated Fair Value | September 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	986	997
Senior Notes | Estimated Fair Value | 2022 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	2,283	2,301
Senior Notes | Estimated Fair Value | 2025 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	4,089	4,098
Senior Notes | Estimated Fair Value | 2027 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	740	737
Senior Notes | Estimated Fair Value | 2035 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	1,665	1,637
Senior Notes | Estimated Fair Value | 2045 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	3,983	3,873
Senior Notes | Estimated Fair Value | 2047 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	$ 770	$ 746

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Debt - Debt (Details) - USD ($) $ in Millions	Dec. 31, 2017	Sep. 30, 2017
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	$ 0	$ 1,749
Carrying Amount, noncurrent	$ 16,621	$ 16,618
2017 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.20%
2020 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.20%
September 2022 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.15%
2022 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.80%
2025 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.15%
2027 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.75%
2035 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.15%
2045 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.30%
2047 Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.65%
Senior Notes
Debt Instrument [Line Items]
Principal Amount, current maturities	$ 0	$ 1,750
Unamortized Discounts and Debt Issuance Costs, current maturities	0	(1)
Long-term Debt, Current Maturities	0	1,749
Principal Amount, noncurrent	16,750	16,750
Unamortized Discounts and Debt Issuance Costs, noncurrent	(129)	(132)
Carrying Amount, noncurrent	16,621	16,618
Total debt, principal	16,750	18,500
Unamortized Discounts and Debt Issuance Costs	(129)	(133)
Carrying Amount	16,621	18,367
Senior Notes | 2017 Notes
Debt Instrument [Line Items]
Principal Amount, current maturities	0	1,750
Unamortized Discounts and Debt Issuance Costs, current maturities	0	(1)
Long-term Debt, Current Maturities	$ 0	$ 1,749
Effective Interest Rate (percent)	1.37%
Debt Instrument, Interest Rate, Stated Percentage		1.20%
Senior Notes | 2020 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 3,000	$ 3,000
Unamortized Discounts and Debt Issuance Costs, noncurrent	(9)	(10)
Carrying Amount, noncurrent	$ 2,991	2,990
Effective Interest Rate (percent)	2.30%
Debt Instrument, Interest Rate, Stated Percentage	2.20%
Senior Notes | September 2022 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 1,000	1,000
Unamortized Discounts and Debt Issuance Costs, noncurrent	(7)	(7)
Carrying Amount, noncurrent	$ 993	993
Effective Interest Rate (percent)	2.30%
Debt Instrument, Interest Rate, Stated Percentage	2.15%
Senior Notes | 2022 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 2,250	2,250
Unamortized Discounts and Debt Issuance Costs, noncurrent	(10)	(10)
Carrying Amount, noncurrent	$ 2,240	2,240
Effective Interest Rate (percent)	2.89%
Debt Instrument, Interest Rate, Stated Percentage	2.80%
Senior Notes | 2025 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 4,000	4,000
Unamortized Discounts and Debt Issuance Costs, noncurrent	(31)	(33)
Carrying Amount, noncurrent	$ 3,969	3,967
Effective Interest Rate (percent)	3.26%
Debt Instrument, Interest Rate, Stated Percentage	3.15%
Senior Notes | 2027 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 750	750
Unamortized Discounts and Debt Issuance Costs, noncurrent	(10)	(10)
Carrying Amount, noncurrent	$ 740	740
Effective Interest Rate (percent)	2.91%
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Senior Notes | 2035 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 1,500	1,500
Unamortized Discounts and Debt Issuance Costs, noncurrent	(14)	(15)
Carrying Amount, noncurrent	$ 1,486	1,485
Effective Interest Rate (percent)	4.23%
Debt Instrument, Interest Rate, Stated Percentage	4.15%
Senior Notes | 2045 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 3,500	3,500
Unamortized Discounts and Debt Issuance Costs, noncurrent	(38)	(37)
Carrying Amount, noncurrent	$ 3,462	3,463
Effective Interest Rate (percent)	4.37%
Debt Instrument, Interest Rate, Stated Percentage	4.30%
Senior Notes | 2047 Notes
Debt Instrument [Line Items]
Principal Amount, noncurrent	$ 750	750
Unamortized Discounts and Debt Issuance Costs, noncurrent	(10)	(10)
Carrying Amount, noncurrent	$ 740	$ 740
Effective Interest Rate (percent)	3.73%
Debt Instrument, Interest Rate, Stated Percentage	3.65%

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Debt - Narrative (Details) - Senior Notes - USD ($) $ in Millions		3 Months Ended
	Oct. 11, 2017	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2017
Debt Instrument [Line Items]
Principal Amount, current maturities		$ 0		$ 1,750
Interest expense		138	$ 125
2017 Notes
Debt Instrument [Line Items]
Principal Amount, current maturities		0		$ 1,750
Repayments of Debt	$ 1,750
Gain (Loss) on Extinguishment of Debt		$ (1)

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Settlement Guarantee Management - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Sep. 30, 2017
Settlement Guarantee Management [Abstract]
Estimated Maximum Settlement Exposure	$ 71,300	$ 67,700
Covered settlement exposure	4,500	2,800
Estimated probability-weighted value of the guarantee	$ 3	$ 3

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Collateral (Detail) - USD ($) $ in Millions		Dec. 31, 2017	Sep. 30, 2017
Settlement Guarantee Management [Abstract]
Cash equivalents	[1]	$ 1,569	$ 1,490
Pledged securities at market value		169	167
Letters of credit		1,319	1,316
Guarantees		617	941
Total		$ 3,674	$ 3,914

[1] Cash collateral held by Visa Europe is not included on the Company's consolidated balance sheets as its clients retain beneficial ownership and the cash is only accessible to the Company in the event of default by the client on its settlement obligations.

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Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Pension Benefits | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	8	9
Expected return on assets	(17)	(18)
Prior service credit	0	0
Actuarial loss (gain)	0	4
Settlement loss	0	2
Total net periodic benefit cost	(9)	(3)
Pension Benefits | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	2
Interest cost	3	3
Expected return on assets	(5)	(4)
Prior service credit	0	0
Actuarial loss (gain)	0	0
Settlement loss	0	0
Total net periodic benefit cost	(1)	1
Other Postretirement Benefits | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	0	0
Expected return on assets	0	0
Prior service credit	0	(1)
Actuarial loss (gain)	0	0
Settlement loss	0	0
Total net periodic benefit cost	$ 0	$ (1)

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Stockholders' Equity - Number of Shares of Class A Common Shares Outstanding on an As-Converted Basis (Detail) shares in Millions		Dec. 31, 2017 shares		Sep. 30, 2017 shares
Schedule of Common Stock as Converted [Line Items]
As-converted Class A Common Stock		2,335
U.K.& I preferred stock
Schedule of Common Stock as Converted [Line Items]
Preferred stock, shares outstanding		2		2
Preferred stock, conversion rate into Class A Common Stock		12.9660		13.077
As-converted Class A Common Stock	[1]	32
Europe preferred stock
Schedule of Common Stock as Converted [Line Items]
Preferred stock, shares outstanding		3		3
Preferred stock, conversion rate into Class A Common Stock		13.8930		13.948
As-converted Class A Common Stock	[1]	44
Class A common stock
Schedule of Common Stock as Converted [Line Items]
Common stock, shares outstanding		1,805	[2]	1,818
As-converted Class A Common Stock	[1],[2]	1,805
Class B common stock
Schedule of Common Stock as Converted [Line Items]
Common stock, shares outstanding		245		245
Common stock, conversion rate into Class A Common Stock	[3]	1.6483
As-converted Class A Common Stock	[1]	405
Class C common stock
Schedule of Common Stock as Converted [Line Items]
Common stock, shares outstanding		12		13
Common stock, conversion rate into Class A Common Stock		4
As-converted Class A Common Stock	[1]	49

[1] Figures in the table may not recalculate exactly due to rounding. As-converted class A common stock is calculated based on unrounded numbers.

[2] Class A common stock shares outstanding exclude repurchases traded but not yet settled on or before December 31, 2017.

[3] The class B to class A common stock conversion rate is presented on a rounded basis. Conversion calculations for dividend payments are based on a conversion rate rounded to the tenth decimal.

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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Dec. 31, 2017	Jan. 30, 2018
Stockholders Equity Note [Line Items]
Stock Repurchased and Retired During Period, Shares	[1],[2]	16
Stock Repurchased and Retired During Period, Value	[2]	$ 1,778
Recovery through conversion rate adjustment		50
Stock Repurchase Remaining Authorized Amount		2,100
Dividends, Cash		$ 458
Class A common stock
Stockholders Equity Note [Line Items]
Reduction In As-Converted Stock, Shares		17
Reduction in As-Converted Stock, Average Price Per Share		$ 110.27
Subsequent Event
Stockholders Equity Note [Line Items]
Stock Repurchase Program, Authorized Amount			$ 7,500
Subsequent Event | Class A common stock
Stockholders Equity Note [Line Items]
Dividends Payable, Amount Per Share			$ 0.210

[1] All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

[2] Shares repurchased in the open market reflect repurchases settled during the three months ended December 31, 2017. These amounts include repurchases traded but not yet settled on or before September 30, 2017 and exclude repurchases traded but not yet settled on or before December 31, 2017.

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Stockholders' Equity - Share Repurchases in the Open Market (Detail) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares	[2]
Stockholders' Equity Note [Abstract]
Shares repurchased in the open market | shares	16	[1]
Average repurchase price per share | $ / shares	$ 110.24	[3]
Total cost | $	$ 1,778

[1] All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

[2] Shares repurchased in the open market reflect repurchases settled during the three months ended December 31, 2017. These amounts include repurchases traded but not yet settled on or before September 30, 2017 and exclude repurchases traded but not yet settled on or before December 31, 2017.

[3] Figures in the table may not recalculate exactly due to rounding. Average repurchase price per share is calculated based on unrounded numbers.

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Stockholders' Equity Effect of VE Territory Covered Losses Recovery on the Company Repurchasing its Common Stock (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Conversion of Stock [Line Items]
Recovery through conversion rate adjustment	$ (50)
U.K.& I preferred stock
Conversion of Stock [Line Items]
Reduction in equivalent number of shares of class A common stock(1) | shares	0	[1]
Effective price per share (in USD per share) | $ / shares	$ 111.32	[2]
Recovery through conversion rate adjustment	$ 31
Europe preferred stock
Conversion of Stock [Line Items]
Reduction in equivalent number of shares of class A common stock(1) | shares	0	[1]
Effective price per share (in USD per share) | $ / shares	$ 111.32	[2]
Recovery through conversion rate adjustment	$ 19

[1] The reduction in equivalent number of shares of class A common stock was less than one million shares for both series of preferred stock.

[2] Effective price per share is calculated using the volume-weighted average price of the Company's class A common stock over a pricing period in accordance with the Company's current certificates of designations for its series B and C convertible participating preferred stock.

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Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income	[1]	$ 2,522	$ 2,070
Class A common stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Income Allocation - Basic	[1]	$ 1,945	$ 1,594
Weighted- Average Shares Outstanding - Basic		1,811	1,860
Earnings per Share - Basic	[2]	$ 1.07	$ 0.86
Income Allocation - Diluted	[1]	$ 2,522	$ 2,070
Weighted- Average Shares Outstanding - Diluted	[3]	2,353	2,421
Earnings per Share - Diluted	[2]	$ 1.07	$ 0.86
Class B common stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Income Allocation - Basic	[1]	$ 435	$ 347
Weighted- Average Shares Outstanding - Basic		245	245
Earnings per Share - Basic	[2]	$ 1.77	$ 1.41
Income Allocation - Diluted	[1]	$ 434	$ 346
Weighted- Average Shares Outstanding - Diluted		245	245
Earnings per Share - Diluted	[2]	$ 1.77	$ 1.41
Class C common stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Income Allocation - Basic	[1]	$ 54	$ 57
Weighted- Average Shares Outstanding - Basic		13	17
Earnings per Share - Basic	[2]	$ 4.30	$ 3.43
Income Allocation - Diluted	[1]	$ 54	$ 57
Weighted- Average Shares Outstanding - Diluted		13	17
Earnings per Share - Diluted	[2]	$ 4.29	$ 3.42
Participating securities
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Income Allocation - Basic	[1],[4]	$ 88	$ 72
Income Allocation - Diluted	[1],[4]	$ 87	$ 72

[1] Net income is allocated based on proportional ownership on an as-converted basis. The weighted-average number of shares of as-converted class B common stock used in the income allocation was 405 million for the three months ended December 31, 2017 and 2016. The weighted-average number of shares of as-converted class C common stock used in the income allocation was 51 million and 67 million for the three months ended December 31, 2017 and 2016, respectively. The weighted-average number of shares of preferred stock, included within participating securities, was 32 million and 35 million of as-converted UK&I preferred stock for the three months ended December 31, 2017 and 2016, respectively, and 44 million of as-converted Europe preferred stock for the three months ended December 31, 2017 and 2016.

[2] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

[3] Weighted-average diluted shares outstanding are calculated on an as-converted basis, and include incremental common stock equivalents, as calculated under the treasury stock method. The computation includes approximately 5 million common stock equivalents for the three months ended December 31, 2017 and 2016, because their effect would be dilutive. The computation excludes 2 million and 3 million of common stock equivalents for the three months ended December 31, 2017 and 2016, respectively, because their effect would have been anti-dilutive.

[4] Participating securities include preferred stock outstanding and unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents, such as the Company's UK&I and Europe preferred stock, restricted stock awards, restricted stock units and earned performance-based shares. Participating securities' income is allocated based on the weighted-average number of shares of as-converted stock.

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Basic and Diluted Earnings Per Share - Additional Information (Detail) - shares shares in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Common stock equivalents included in the computation of diluted shares outstanding	5	5
Common stock equivalents excluded from computation of average dilutive shares outstanding (less than 1 Million for the 3 months ended June 30, 2017)	2	3
Class B common stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Weighted-average as-converted common stock used in income allocation	405	405
Class C common stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Weighted-average as-converted common stock used in income allocation	51	67
U.K.& I preferred stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Weighted-average as-converted common stock used in income allocation	32	35
Europe preferred stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Weighted-average as-converted common stock used in income allocation	44	44

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Share-based Compensation - Awards Granted to Company Employees and Non-employee Directors Under the 2007 Equity Incentive Compensation Plan (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation		$ 68	$ 45
Non-qualified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted		1,622,760
Weighted-Average Grant Date Fair Value		$ 17.88
Weighted-Average Exercise Price		$ 109.82
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted		2,626,011
Weighted-Average Grant Date Fair Value		$ 109.82
Performance-bases shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	[1]	641,498
Weighted-Average Grant Date Fair Value	[1]	$ 120.11

[1] Represents the maximum number of performance-based shares which could be earned.

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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Effective income tax rate reconciliation, percent	22.00%	31.00%
Tax cuts and jobs act of 2017, incomplete accounting, deferred tax liability, provisional income tax (expense) benefit	$ 1,100
Tax cuts and jobs act of 2017, incomplete accounting, transition tax accumulated foreign earnings, provisional income tax expense (benefit)	1,100
Increase in unrecognized tax benefits	44
Effective income tax rate reconciliation Unrecognized Tax Benefits that would Favorably Impact Effective Tax Rate	$ 38
Forecast
Business Acquisition [Line Items]
Federal statutory income tax rate, percent			21.00%	24.50%

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Accrued Litigation for Both Covered and Non-Covered Litigation (Detail) $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2017 merchant	Dec. 31, 2017 USD ($) merchant	Dec. 31, 2016 USD ($)	Apr. 20, 2017
Loss Contingency Accrual [Roll Forward]
Balance at beginning of period		$ 982	$ 981
Balance at end of period		$ 830	994
U.K. Merchant Litigation
Loss Contingency Accrual [Roll Forward]
Number of plaintiffs | merchant		300
Number of claims settled | merchant		75
Merchants with outstanding claims | merchant		200
Number of merchant claims not settled before trial | merchant	1
Threatened Litigation | U.K. Merchant Litigation
Loss Contingency Accrual [Roll Forward]
Number of plaintiffs | merchant		30
Unsettled
Loss Contingency Accrual [Roll Forward]
Provision for legal matters		$ 0	15
Settled Litigation
Loss Contingency Accrual [Roll Forward]
Payments on litigation matters		(152)	(88)
U.S. Covered Litigation
Loss Contingency Accrual [Roll Forward]
Balance at beginning of period		978	978
Balance at end of period		828	978
U.S. Covered Litigation | Settled Litigation
Loss Contingency Accrual [Roll Forward]
Payments on litigation matters		(150)	0
VE Territory Covered Litigation
Loss Contingency Accrual [Roll Forward]
Balance at beginning of period		1	2
Provision for legal matters		0	86
Balance at end of period		0	0
VE Territory Covered Litigation | Settled Litigation
Loss Contingency Accrual [Roll Forward]
Payments on litigation matters		$ (1)	$ (88)
Interchange Multidistrict Litigation
Loss Contingency Accrual [Roll Forward]
Merchants with settlement agreements (percent)				51.00%