Stock Incentive Plans (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended		3 Months Ended						12 Months Ended	3 Months Ended	12 Months Ended
	Jul. 04, 2014 number_of_plans	Jun. 28, 2013	Jul. 04, 2014 Cost of services	Jun. 28, 2013 Cost of services	Jul. 04, 2014 Selling, general and administrative	Jun. 28, 2013 Selling, general and administrative	Jul. 04, 2014 Stock options	Jun. 28, 2013 Stock options	Mar. 29, 2013 Stock options	Mar. 28, 2014 Stock options	Jul. 04, 2014 Stock Options and RSU's	Jun. 28, 2013 Stock Options and RSU's	Jul. 04, 2014 Other stock based incentives	Jul. 04, 2014 Restricted stock awards and other stock based incentives	Jul. 04, 2014 Nonemployee director incentives	Jul. 04, 2014 Restricted stock units	Mar. 28, 2014 SMI Employees Restricted stock units	Jul. 04, 2014 Nonemployee director incentives number_of_plans	Mar. 28, 2014 Fiscal 2015 Option Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense																	$ 4		$ 3
Share-based Compensation	19	17	6	6	13	11
Share Based Compensation Net Of Tax	13	11
Grants in Period, Weighted Average Price Per Share							$ 18.35	$ 13.10
Risk Free Interest Rate							2.07%	1.27%
Expected Volatility Rate							33.00%	34.00%
Expected term (in years)							6 years 2 months 12 days	6 years 5 months 19 days
Expected Dividend Rate							1.50%	1.72%
Tax Benefit Realized from Exercise of Options											22	6
Excess tax benefit related to stock incentive plans							9	3
Number of incentive plans within the employee or nonemployee plan	3																	2
Number of common shares available for grant at period end	15,781,160																	197,400
Vesting period - minimum (in years)							3 years									3 years
Vesting period - maximum (in years)																5 years
Issue price of award (in dollars per share)																$ 0
Number of Option Shares
Outstanding beginning of period (in shares)							9,829,611
Granted (in shares)							1,207,184
Exercised (in shares)							(2,107,779)
Canceled/Forfeited (in shares)	(5,000,000)						(388,490)
Expired (in shares)							(31,608)
Outstanding end of period (in shares)							8,508,918
Vested and expected to vest [Abstract]
Vested and expected to vest in the future as of period end (in shares)							8,247,106
Exercisable as of period end (in shares)							5,400,014
Weighted Average Exercise Price
Weighted average exercise price -beginning of period (in dollars per share)							$ 43.30
Weighted average exercise price - granted (in dollars per share)							$ 60.96
Weighted average exercise price - exercised (in dollars per share)							$ 44.54
Weighted average exercise price - cancelled/forfeited (in dollars per share)							$ 36.74
Weighted average exercise price - expired (in dollars per share)							$ 43.08
Weighted average exercise price - end of period (in dollars per share)							$ 45.80
Weighted average exercise price vested and expected to vest as of period end (in dollars per share)							$ 45.54
Weighted average exercise price exercisable as of period end (in dollars per share)							$ 44.95
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted average remaining contractual life (in years)							6 years 2 months 9 days		5 years 8 months 23 days
Weighted average remaining contractual life vested and expected to vest in the future as of period end (in years)							6 years 1 month 2 days
Weighted average remaining contractual life exercisable as of period end (in years)							4 years 6 months 15 days
Aggregate intrinsic value							157			167
Aggregate intrinsic value vested and expected to vest in the future as of period end							154
Aggregate intrinsic value exercisable as of period end							104
Aggregate disclosures [Abstract]
Total intrinsic value of options exercised during the period	88	4					38
Cash received from stock awards exercised during the period	38	16
Total unrecognized compensation expense related to unvested awards, net of expected forfeitures	$ 43													$ 126
Weighted average period over which cost is expected to be recognized (in years)	2 years 2 months 12 days													2 years 4 months 2 days
Equity instruments other than options nonvested [Roll Forward]
Equity instruments other than options nonvested - beginning balance (in shares)													3,187,741		184,146
Equity instruments other than options nonvested - granted (in shares)													722,111		0
Equity instruments other than options nonvested - released/redeemed (in shares)													(409,326)		0
Equity instruments other than options nonvested - canceled/forfeited (in shares)													(292,451)		0
Equity instruments other than options nonvested - ending balance (in shares)													3,208,075		184,146
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted average fair value other than options - beginning balance (in dollars per share)													$ 41.34		$ 42.07
Weighted average fair value other than options - granted (in dollars per share)													$ 60.95		$ 0.00
Weighted average fair value other than options - released/redeemed (in dollars per share)													$ 36.91		$ 0.00
Weighted average fair value other than options - canceled/forfeited (in dollars per share)													$ 37.22		$ 0
Weighted average fair value other than options - ending balance (in dollars per share)													$ 46.69		$ 42.07
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term							10 years