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- Definition

Rebate Reserves

+ References

No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher FASB

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-Topic 720

-SubTopic 35

-Section 50

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.19(b),22(b))

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Summary of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended
	Apr. 03, 2015	Mar. 28, 2014	Mar. 29, 2013	Oct. 09, 2014 company
Rebate reserves	$ 59,000,000symc_RebateReserves	$ 68,000,000symc_RebateReserves
Net foreign currency transaction losses	3,000,000	6,000,000	6,000,000
Maximum borrowing capacity under revolving loans	1,000,000,000.0
Depreciation	280,000,000us-gaap_Depreciation	281,000,000us-gaap_Depreciation	283,000,000us-gaap_Depreciation
Advertising costs and other promotional costs	$ 330,000,000us-gaap_AdvertisingExpense	$ 451,000,000us-gaap_AdvertisingExpense	$ 594,000,000us-gaap_AdvertisingExpense
Minimum
Useful lives of intangible assets	1 year
Maximum
Useful lives of intangible assets	11 years
Computer hardware and software \| Minimum
Property, plant, equipment useful life	3 years
Computer hardware and software \| Maximum
Property, plant, equipment useful life	5 years
Buildings \| Minimum
Property, plant, equipment useful life	20 years
Buildings \| Maximum
Property, plant, equipment useful life	30 years
Office furniture and equipment \| Minimum
Property, plant, equipment useful life	3 years
Office furniture and equipment \| Maximum
Property, plant, equipment useful life	5 years
Tax-free distribution
Planned number of independent companies				2
Tax-free distribution \| Security
Planned number of independent companies				1
Tax-free distribution \| Information Management
Planned number of independent companies				1