Share-Based Payments (Details 4) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Sep. 28, 2014 Tranche	Sep. 29, 2013	Sep. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.95%	0.88%	0.80%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	1.18%	0.77%	0.58%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	30.96%	31.25%	40.89%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	4 years 0 months 15 days	3 years 11 months 16 days	4 years 1 month 21 days
Number of Tranches	2
Allocated Share-based Payment Expense	$ 68	$ 57	$ 42
Weighted Average Period for Recognition of Unrecognized Share-based Payment Expense (in years)	2 years 10 months 24 days
Stock Issued During Period, Shares, Employee Stock Purchase Plans	135,000	80,000	120,000
Common Stock Capital Shares Reserved for Future Issuance Employee Stock Purchase Plan	405,000	540,000	620,000
Minimum [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Historical Volatility	4 years
Expected Life Assumption Period	5 years
Maximum [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Historical Volatility	6 years
Expected Life Assumption Period	7 years
General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Payment Expense	32	23	18
Stock Option [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Payment Expense	63	56	42
Restricted Stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	200,000	100,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	11	4
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options	10	3
Weighted Average Period for Recognition of Unrecognized Share-based Payment Expense (in years)	3 years 10 months 24 days
Restricted Stock [Member] | General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Payment Expense	$ 5