v3.19.1

Shareholders' Equity (Additional Information) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 27, 2019 | Apr. 28, 2018 | Apr. 27, 2019 | Apr. 28, 2018 | Jul. 28, 2018 | Feb. 14, 2018
Class of Stock [Line Items] |  |  |  |  |  |
Cash dividends paid per common share (in dollars per share) | $ 0.35 | $ 0.33 | $ 1.01 | $ 0.91 |  |
Payments of dividends | $ 1,500,000,000 | $ 1,600,000,000 | $ 4,489,000,000 | $ 4,433,000,000 |  |
Authorized additional repurchase amount |  |  |  |  |  | $ 15,000,000,000
Remaining authorized repurchase amount | 18,000,000,000 |  | 18,000,000,000 |  |  |
Stock repurchase program |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Stock repurchases pending settlement | $ 200,000,000 |  | $ 200,000,000 |  | $ 180,000,000 |

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