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Acquisitions and Acquisition-Related Items - Fair Value Measurement, Contingent Consideration, Significant Unobservable Inputs (Details) - USD ($) $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Jul. 28, 2017 | Apr. 28, 2017 | Jul. 29, 2016 | Apr. 29, 2016
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration, fair value | $ 242 | $ 246 | $ 379 | $ 377
Revenue-based payments | Recurring | Level 3 | Discounted cash flow |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration, fair value | $ 103 |  |  |
Revenue-based payments | Minimum | Recurring | Level 3 | Discounted cash flow |  |  |  |
Fair Value Inputs |  |  |  |
Discount rate | 11.00% |  |  |
Probability of payment | 30.00% |  |  |
Revenue-based payments | Maximum | Recurring | Level 3 | Discounted cash flow |  |  |  |
Fair Value Inputs |  |  |  |
Discount rate | 32.50% |  |  |
Probability of payment | 100.00% |  |  |
Product development-based payments | Recurring | Level 3 | Discounted cash flow |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration, fair value | $ 139 |  |  |
Product development-based payments | Minimum | Recurring | Level 3 | Discounted cash flow |  |  |  |
Fair Value Inputs |  |  |  |
Discount rate | 0.30% |  |  |
Probability of payment | 75.00% |  |  |
Product development-based payments | Maximum | Recurring | Level 3 | Discounted cash flow |  |  |  |
Fair Value Inputs |  |  |  |
Discount rate | 5.50% |  |  |
Probability of payment | 100.00% |  |  |

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- Definition Percentage of likelihood a loan will be repaid, used as an input to measure fair value. + References No definition available. + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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