Retirement Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Mar. 30, 2012
U.S. Pension Plans
Defined Benefit Pension Plans:
Amortization of net actuarial loss expected over current fiscal year			$ 14
Defined benefit plan, net period benefit cost:
Service cost	2	1	3	2
Interest cost	8	9	16	18
Expected return on plan assets	(12)	(11)	(24)	(21)
Amortization of net actuarial loss	3	3	7	6
Net periodic benefit cost	1	2	2	5
Minimum required contributions to pension plans for fiscal year 2013	11		11
Employer contributions	1		2
Non-U.S. Pension Plans
Defined Benefit Pension Plans:
Amortization of net actuarial loss expected over current fiscal year			12
Defined benefit plan, net period benefit cost:
Service cost	4	4	9	7
Interest cost	13	13	26	27
Expected return on plan assets	(18)	(15)	(34)	(30)
Amortization of net actuarial loss	4	3	6	5
Net periodic benefit cost	3	5	7	9
Minimum required contributions to pension plans for fiscal year 2013	50		50
Employer contributions	$ 13		$ 26