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Stock-based Compensation (Details 2) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
 12 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Number of Shares    
Options beginning outstanding 3,026us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber  
Granted 852us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod  
Exercised (533)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised  
Cancelled/Forfeited (120)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod  
Options ending outstanding 3,225us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 3,026us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Options vested and expected to vest 3,159us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber [1]  
Options exercisable 1,802us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber  
Weighted Average Exercise Price    
Options outstanding, weighted average exercise price, Beginning balance $ 116.66us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice  
Granted, weighted average exercise price $ 160.01us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice  
Exercised, weighted average exercise price $ 98.47us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice  
Cancelled/Forfeited, weighted average exercise price $ 165.96us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice  
Options outstanding, weighted average exercise price, Ending balance $ 129.28us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice $ 116.66us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Options vested and expected to vest, weighted average exercise price $ 128.57us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice  
Options exercisable, weighted average exercise price $ 101.89us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice  
Weighted Average Remaining Contractual Term    
Options outstanding, weighted average remaining contractual term, period start 4 years 4 years 1 month
Options outstanding, weighted average remaining contractual term, period end 4 years 4 years 1 month
Options vested and expected to vest, weighted average remaining contractual term 4 years  
Options exercisable, weighted average remaining contractual term 2 years 7 months  
Aggregate Intrinsic Value    
Options outstanding, aggregate intrinsic value, period start $ 143us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue [2]  
Options outstanding, aggregate intrinsic value, period end 69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue [2] 143us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue [2]
Options vested and expected to vest, aggregate intrinsic value 69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue [2]  
Options exercisable, aggregate intrinsic value $ 69us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 [2]  
[1] The number of options expected to vest takes into consideration expected forfeitures.
[2] Aggregate intrinsic value is the amount by which the market price of Class A common stock at the end of the period exceeds the exercise price of the stock option, multiplied by the number of options.