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Other Income, Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 26, 2018	Oct. 27, 2017	Oct. 26, 2018	Oct. 27, 2017
Nonoperating Income Expense [Abstract]
Interest income	$ 21	$ 19	$ 46	$ 35
Interest expense	(14)	(17)	(28)	(30)
Other income, net	0	4	7	6
Total other income, net	$ 7	$ 6	$ 25	$ 11

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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- Definition

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

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