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Restructuring Charges (Details) - Cost Synergies Initiative - USD ($) $ in Millions	12 Months Ended
	Apr. 28, 2017	Apr. 29, 2016
Changes in Restructuring Reserves
Balance	$ 250	$ 143
Charges	368	332
Cash payments	(232)	(184)
Settled non cash	(27)	(23)
Reversal of excess accrual	(68)	(18)
Balance	291	250
Employee Termination Costs
Changes in Restructuring Reserves
Balance	213	136
Charges	287	248
Cash payments	(179)	(153)
Settled non cash	0	0
Reversal of excess accrual	(60)	(18)
Balance	261	213
Asset Write-downs
Changes in Restructuring Reserves
Balance	0	0
Charges	27	23
Cash payments	0	0
Settled non cash	(27)	(23)
Reversal of excess accrual	0	0
Balance	0	0
Other Costs
Changes in Restructuring Reserves
Balance	37	7
Charges	54	61
Cash payments	(53)	(31)
Settled non cash	0	0
Reversal of excess accrual	(8)	0
Balance	$ 30	$ 37

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with 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 50
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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

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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-Topic 420
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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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