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Earnings Per Share | 12 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | Note 14—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 13—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 fiscal 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 | $ | 5,170 |  |  | 1,845 |  |  | $ | 2.80 |  |  |  | $ | 6,699 |  |  | 2,395 |  | (3) | $ | 2.80 |
Class B common stock | 1,134 |  |  | 245 |  |  | $ | 4.62 |  |  |  | $ | 1,132 |  |  | 245 |  |  | $ | 4.61 |
Class C common stock | 163 |  |  | 14 |  |  | $ | 11.21 |  |  |  | $ | 162 |  |  | 14 |  |  | $ | 11.19 |
Participating securities(4) | 232 |  |  | Not presented |  |  | Not presented |  |  |  | $ | 232 |  |  | Not presented |  |  | Not presented |
Net income | $ | 6,699 |  |  |  |  |  |  |  |  |  |  |  |
The following table presents earnings per share for fiscal 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 | $ | 4,738 |  |  | 1,906 |  |  | $ | 2.49 |  |  |  | $ | 5,991 |  |  | 2,414 |  | (3) | $ | 2.48 |
Class B common stock | 1,006 |  |  | 245 |  |  | $ | 4.10 |  |  |  | $ | 1,004 |  |  | 245 |  |  | $ | 4.09 |
Class C common stock | 185 |  |  | 19 |  |  | $ | 9.94 |  |  |  | $ | 185 |  |  | 19 |  |  | $ | 9.93 |
Participating securities(4) | 62 |  |  | Not presented |  |  | Not presented |  |  |  | $ | 61 |  |  | Not presented |  |  | Not presented |
Net income | $ | 5,991 |  |  |  |  |  |  |  |  |  |  |  |
The following table presents earnings per share for fiscal 2015.(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 | $ | 5,044 |  |  | 1,954 |  |  | $ | 2.58 |  |  |  | $ | 6,328 |  |  | 2,457 |  | (3) | $ | 2.58 |
Class B common stock | 1,045 |  |  | 245 |  |  | $ | 4.26 |  |  |  | $ | 1,042 |  |  | 245 |  |  | $ | 4.25 |
Class C common stock | 224 |  |  | 22 |  |  | $ | 10.33 |  |  |  | $ | 223 |  |  | 22 |  |  | $ | 10.30 |
Participating securities(4) | 15 |  |  | Not presented |  |  | Not presented |  |  |  | $ | 15 |  |  | Not presented |  |  | Not presented |
Net income | $ | 6,328 |  |  |  |  |  |  |  |  |  |  |  |
(1) | Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers. The number of shares and per share amounts for the prior periods presented have been retroactively adjusted to reflect the four-for-one stock split effected in the second quarter of fiscal 2015. See Note 13—Stockholders' Equity.
(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 fiscal 2017, 2016 and 2015. The weighted-average number of shares of as-converted class C common stock used in the income allocation was 58 million, 75 million and 87 million for fiscal 2017, 2016 and 2015, respectively. The weighted-average number of shares of preferred stock, included within participating securities, was 33 million of as-converted UK&I preferred stock, and 44 million of as-converted Europe preferred stock for fiscal 2017.
(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 5 million common stock equivalents for fiscal 2017 and 2016 and 6 million common stock equivalents for fiscal 2015, because their effect would have been dilutive. The computation excludes 2 million of common stock equivalents for fiscal 2017, 2016 and 2015, 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. UK&I and Europe preferred stock were issued as part of the purchase price consideration in connection with the Visa Europe acquisition and are convertible into a number of shares of class A common stock or class A equivalent preferred stock upon certain conditions. Participating securities' income is allocated based on the weighted-average number of shares of as-converted stock. See Note 2—Visa Europe and Note 13—Stockholders' Equity.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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