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Supplemental Financial Information - Other Income Net (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 24, 2020	Jan. 25, 2019	Jan. 24, 2020	Jan. 25, 2019
Nonoperating Income Expense [Abstract]
Interest income	$ 10	$ 22	$ 41	$ 68
Interest expense	(14)	(16)	(41)	(44)
Other income, net	12	2	26	9
Total other income, net	$ 8	$ 8	$ 26	$ 33

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.

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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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