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Other Income, Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Jul. 27, 2018	Jul. 28, 2017
Nonoperating Income Expense [Abstract]
Interest income	$ 25	$ 16
Interest expense	(14)	(13)
Other income, net	7	2
Total other income, net	$ 18	$ 5

X

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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X

- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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No definition available.

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Amount of income (expense) related to nonoperating activities, classified as other.

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