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Statements of Cash Flows Additional Information (Tables) | 3 Months Ended
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Jul. 27, 2018
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flows, Non-Cash Investing Activities | Non-cash investing and supplemental cash flow information are as follows (in millions):
|  | Three Months Ended |
|  | July 27, 2018 |  |  | July 28, 2017 |
Non-cash Investing Activities: |  |  |  |  |  |  |  |
Capital expenditures incurred but not paid |  | $ | 10 |  |  | $ | 18 |
Supplemental Cash Flow Information: |  |  |  |  |  |  |  |
Income taxes paid, net of refunds |  | $ | 22 |  |  | $ | 22 |
Interest paid |  | $ | 14 |  |  | $ | 21 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration