Employee Equity Incentive Plans (Information Related to Stock-baed Compensation) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
Oct. 04, 2019	Sep. 28, 2018	Mar. 29, 2019
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per grant (in usd per share)	$ 19.50	$ 21.65
Awards granted (in shares)	12	12
Total fair value of awards released	$ 199	$ 195
Outstanding and unvested (in shares)	20	21
Performance-based restricted stock units (PRUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per grant (in usd per share)	$ 19.21	$ 21.23
Awards granted (in shares)	2	2
Total fair value of awards released	$ 28	$ 8
Outstanding and unvested (in shares)	3	5
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per award granted (in usd per share)	$ 4.76	$ 0
Awards granted (in shares)	2	0
Total intrinsic value of stock options exercised	$ 113	$ 11
Outstanding (in shares)	6	13
Exercisable (in shares)	4	12
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and unvested (in shares)	0	1
Liability-Classified Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Released shares (in shares)	1
Unrecognized stock-based compensation costs related to our unvested stock-based awards	$ 446
Unrecognized stock-based compensation costs, estimated weighted-average amortization period	1 year 10 months 24 days
Liability-Classified Awards \| Accrued compensation and benefits
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability current	$ 6		$ 22

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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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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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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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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Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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