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Fair Value Measurements (Schedule Of The Carrying Value Of Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $)
In Millions, unless otherwise specified
Oct. 03, 2014
Mar. 28, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents $ 1,870 $ 2,420
Level 1
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,810 2,380
Level 2
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 60 40
Corporate bonds | Recurring
    
Short-term investments:    
Short-term investments 297 120
Corporate bonds | Recurring | Level 1
    
Short-term investments:    
Short-term investments 0 0
Corporate bonds | Recurring | Level 2
    
Short-term investments:    
Short-term investments 297 120
U.S. government securities | Recurring
    
Short-term investments:    
Short-term investments 207 95
U.S. government securities | Recurring | Level 1
    
Short-term investments:    
Short-term investments 207 95
U.S. government securities | Recurring | Level 2
    
Short-term investments:    
Short-term investments 0 0
U.S. agency securities | Recurring
    
Short-term investments:    
Short-term investments 139 45
U.S. agency securities | Recurring | Level 1
    
Short-term investments:    
Short-term investments 0 0
U.S. agency securities | Recurring | Level 2
    
Short-term investments:    
Short-term investments 139 45
Commercial paper | Recurring
    
Short-term investments:    
Short-term investments 71 24
Commercial paper | Recurring | Level 1
    
Short-term investments:    
Short-term investments 0 0
Commercial paper | Recurring | Level 2
    
Short-term investments:    
Short-term investments 71 24
Other investments | Recurring
    
Short-term investments:    
Short-term investments 102 47
Other investments | Recurring | Level 1
    
Short-term investments:    
Short-term investments 0 0
Other investments | Recurring | Level 2
    
Short-term investments:    
Short-term investments 102 47
Marketable equity securities | Recurring
    
Short-term investments:    
Short-term investments 5 6
Marketable equity securities | Recurring | Level 1
    
Short-term investments:    
Short-term investments 5 6
Marketable equity securities | Recurring | Level 2
    
Short-term investments:    
Short-term investments $ 0 $ 0