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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions |  | 3 Months Ended | 6 Months Ended | 162 Months Ended
--- | --- | --- | --- | ---
Nov. 16, 2016 | Oct. 28, 2016 | Oct. 30, 2015 | Oct. 28, 2016 | Oct. 30, 2015 | Oct. 28, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation expense related to equity awards |  | $ 311,000,000 |  | $ 311,000,000 |  | $ 311,000,000
Unrecognized compensation expense will be amortized on a straight-line basis over a weighted-average remaining period, in years |  |  |  | 2 years 1 month 6 days |  |
Stock repurchase program, authorized amount |  | $ 9,600,000,000 |  | $ 9,600,000,000 |  | $ 9,600,000,000
Allocation of purchase price of share repurchases |  |  |  | $ 292,000,000 |  |
Repurchase of common stock, shares |  |  |  | 11 |  | 258
Average price of common stock repurchased under repurchase program |  |  |  | $ 27.60 |  | $ 32.64
Aggregate purchase price of common stock authorized under repurchase program |  |  |  | $ 292,000,000 | $ 613,000,000 | $ 8,400,000,000
Cash dividends declared, per common share |  | $ 0.190 | $ 0.180 | $ 0.380 | $ 0.360 |
Subsequent Event |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Cash dividends declared, per common share | $ 0.19 |  |  |  |  |
Cash dividend payable date | Jan. 25, 2017 |  |  |  |  |
Cash dividend record date | Jan. 06, 2017 |  |  |  |  |
Additional Paid-in Capital |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Allocation of purchase price of share repurchases |  |  |  | $ 127,000,000 |  |
Retained Earnings |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Allocation of purchase price of share repurchases |  |  |  | $ 165,000,000 |  |
Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of Common stock issued to settle PBRSUs of target shares granted |  |  |  | 0.00% |  |
Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of Common stock issued to settle PBRSUs of target shares granted |  |  |  | 200.00% |  |
Performance Based Restricted Stock Unit |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
RSUs grant date fair value |  | $ 15,000,000 |  | $ 15,000,000 |  | $ 15,000,000
Performance Based Restricted Stock Unit | PBRSU One |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period |  |  |  | 2 years |  |
Performance Based Restricted Stock Unit | PBRSU Two |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period |  |  |  | 3 years |  |

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