Employee Equity Incentive Plans (Information Related to Stock-based Compensation) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
Oct. 02, 2020	Oct. 04, 2019
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per award granted (in dollars per share)	$ 20.67	$ 19.50
Awards granted (in shares)	3	12
Total fair value of awards released	$ 66	$ 199
Outstanding and unvested (in shares)	6	20
Performance-based restricted stock units (PRUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per award granted (in dollars per share)	$ 27.82	$ 19.21
Awards granted (in shares)	1	2
Total fair value of awards released	$ 3	$ 28
Outstanding and unvested (in shares)	2	3
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per award granted (in dollars per share)	$ 0	$ 4.76
Awards granted (in shares)	0	2
Total intrinsic value of stock options exercised	$ 4	$ 113
Outstanding (in shares)	1	6
Exercisable (in shares)	0	4

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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