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Supplemental Financial Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		12 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 30, 2012 Huawei-Symantec, Inc. [Member]
Percentage of ownership in joint venture		49.00%
Sale of joint venture			$ 530
Gain from sale of joint venture			530
Cost to sell Huawei joint venture			4
Recognized refunds, Foreign	$ 33

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

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