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Restructuring Charges , Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Apr. 28, 2017 | Apr. 29, 2016
Restructuring Charges |  |
Special termination benefits | $ 73 |
Cost Synergies Initiative |  |
Restructuring Charges |  |
Expected cost synergies | 850 |
Restructuring charges, including incremental defined benefit pension and post-retirement related expenses | 441 |
Reversal of excess accrual | (68) | $ (18)
Settled non cash | 27 | 23
Restructuring charges | 368 | 332
Cost Synergies Initiative | Asset write-downs |  |
Restructuring Charges |  |
Reversal of excess accrual | 0 | 0
Settled non cash | 27 | 23
Restructuring charges | 27 | 23
Cost Synergies Initiative | Impairment of property, plant and equipment |  |
Restructuring Charges |  |
Settled non cash | 17 | 14
Cost Synergies Initiative | Inventory write-offs and discontinued product lines | Cost of products sold |  |
Restructuring Charges |  |
Settled non cash | $ 10 | $ 9

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- Definition Restructuring Charges, Including Defined Benefit Pension and Post-Retirement Special Termination Expenses + References No definition available. + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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