Stock Incentive Plans - Narrative (Details)	9 Months Ended
Dec. 30, 2016 USD ($) Award plan $ / shares shares	Jan. 01, 2016 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity awards converted from historic award \| Award	2
Incremental stock compensation expense as a result of modification of equity awards	$ 0
Number of incentive plans \| plan	2
Number of common shares available for grant at period end (in shares) \| shares	14,068,488
Exercise period (in years)	10 years
Aggregate intrinsic value exercised	$ 60,000,000	$ 40,000,000
Cash received from stock awards exercised during the period	47,000,000	$ 72,000,000
Total unrecognized compensation expense related to unvested awards, net of expected forfeitures	$ 27,000,000
Weighted average period over which cost is expected to be recognized (in years)	2 years 1 month 17 days
Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share) \| $ / shares	$ 12.41	$ 9.03
Vesting period - minimum (in years)	3 years
Aggregate intrinsic value exercised	$ 60,000,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation expense related to unvested awards, net of expected forfeitures	$ 73,000,000
Weighted average period over which cost is expected to be recognized (in years)	1 year 11 months 26 days
Nonemployee director incentives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of incentive plans \| plan	1
Nonemployee director incentives \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares available for grant at period end (in shares) \| shares	593,136

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- Definition

The number of plans that are available either in the employee incentive plans or the nonemployee incentive plans.

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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-Publisher FASB
-Name Accounting Standards Codification
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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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 difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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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- Definition

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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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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