Goodwill And Intangible Assets (Schedule Of Goodwill Allocated By Operating Segment) (Details) (USD $) In Millions, unless otherwise specified				3 Months Ended
	Jun. 28, 2013	Mar. 29, 2013		Jun. 28, 2013 User Productivity & Protection [Member]		Jun. 28, 2013 Information Security [Member]		Jun. 28, 2013 Information Management [Member]	Mar. 29, 2013 Information Management [Member]
Goodwill [Line Items]
Net balance as of March 29, 2013	$ 5,841	$ 5,841	[1]	$ 1,649		$ 1,486		$ 2,706	$ 2,706
Adjustments				(1)	[2]	1	[2]
Net balance as of June 28, 2013	$ 5,841	$ 5,841	[1]	$ 1,648		$ 1,487		$ 2,706	$ 2,706

[1] Derived from audited financial statements

[2] Adjustments made to goodwill reflect foreign currency exchange rate fluctuations.