Debt (Details) - USD ($) $ in Millions	Sep. 26, 2015	Mar. 28, 2015
Debt Instrument [Line Items]
Commercial Paper	$ 130	$ 234
Debt, Long-term and Short-term, Combined Amount	727	532
Short-term Debt	130	234
Long-term debt	597	298
2.125% Senior Notes [Member]
Debt Instrument [Line Items]
Senior Notes	300	298
Interest Rate Fair Value Hedge Derivative at Fair Value, Net	(1)
Unamortized Debt Issuance Expense	1	2
2.625% Senior Notes [Member]
Debt Instrument [Line Items]
Senior Notes	297	$ 0
Unamortized Debt Issuance Expense	$ 3

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a)(3))

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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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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Fair value of all derivatives designated as interest rate fair value hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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