Retirement Plans (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 24, 2010
Expected future benefit payments
Accrued benefit obligation for Messr. Kozlowski	$ 93	$ 93
Accrued benefit obligation for Messr. Swartz		48
Defined Contribution Retirement Plans
Expense for the defined contribution plans	58	54	57
Deferred Compensation Plans
Total deferred compensation liabilities	103	87
U.S. Pension Plans
Company contributions
Minimum required contributions to pension plans for fiscal 2013	11
Minimum required contributions to pension plans for fiscal year 2012	36
Expected future benefit payments
Fiscal 2013	42
Fiscal 2014	43
Fiscal 2015	43
Fiscal 2016	45
Fiscal 2017	45
Fiscal 2018-2022	243
Net amount recognized	(308)	(290)
Actuarial loss (gain)	(119)	(53)
Non-U.S. Pension Plans
Company contributions
Minimum required contributions to pension plans for fiscal 2013	50
Minimum required contributions to pension plans for fiscal year 2012	52
Expected future benefit payments
Fiscal 2013	46
Fiscal 2014	48
Fiscal 2015	51
Fiscal 2016	53
Fiscal 2017	56
Fiscal 2018-2022	312
Net amount recognized	(238)	(187)
Actuarial loss (gain)	(137)	93
Postretirement Benefit Plans
Company contributions
Net amount of assets recognized
Expected future benefit payments
Fiscal 2013	4
Fiscal 2014	4
Fiscal 2015	3
Fiscal 2016	3
Fiscal 2017	3
Fiscal 2018-2022	14
Net amount recognized	40	38
Actuarial loss (gain)	$ 4	$ 8