Income Taxes (Principal Components Of Deferred Tax Assets) (Details) (USD $) In Millions, unless otherwise specified	Apr. 03, 2015	Mar. 28, 2014
Deferred tax assets:
Tax credit carryforwards	$ 31	$ 38
Net operating loss carryforwards of acquired companies	57	79
Other accruals and reserves not currently tax deductible	173	128
Deferred revenue	74us-gaap_DeferredTaxAssetsDeferredIncome	92us-gaap_DeferredTaxAssetsDeferredIncome
Loss on investments not currently tax deductible	16	16
State income taxes	14us-gaap_DeferredTaxAssetsStateTaxes	19us-gaap_DeferredTaxAssetsStateTaxes
Stock-based compensation	45	31
Gross deferred tax assets	410us-gaap_DeferredTaxAssetsGross	403us-gaap_DeferredTaxAssetsGross
Valuation allowance	(60)	(56)
Deferred tax assets, net of valuation allowance	350us-gaap_DeferredTaxAssetsNet	347us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:
Property and equipment	(88)	(76)
Goodwill	(54)	(29)
Intangible assets	(24)	(48)
Unremitted earnings of foreign subsidiaries	(273)	(399)
Prepaids and deferred expenses	(42)	(30)
Other	0us-gaap_DeferredTaxLiabilitiesOther	(7)us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities	(481)us-gaap_DeferredTaxLiabilities	(589)us-gaap_DeferredTaxLiabilities
Net deferred tax assets (liabilities)	$ (131)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ (242)us-gaap_DeferredTaxAssetsLiabilitiesNet

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, before jurisdictional netting.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other reserves and accruals not separately disclosed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on trading securities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, before jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from reserves and accruals.

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Amount of deferred tax liability attributable to taxable temporary differences from goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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