Pensions And Other Postretirement Benefits (Components Of Net Periodic Benefit Cost For Pension And Postretirement Benefit Plans Recognized In The Consolidated Statements Of Income) (Details) (USD $) In Millions	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Qualified Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0
Interest cost	5	5	6
Expected return on plan assets	(6)	(6)	(7)
Amortization of prior service cost	0	0	0
Recognized actuarial loss, net	3	1	1
Net periodic benefit cost	2	0	0
Non-Qualified Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	3	3	4
Interest cost	2	2	2
Expected return on plan assets	0	0	0
Amortization of prior service cost	1	1	1
Recognized actuarial loss, net	0	0	0
Net periodic benefit cost	6	6	7
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	0
Interest cost	2	2	3
Expected return on plan assets	0	0	0
Amortization of prior service cost	(1)	(1)	0
Recognized actuarial loss, net	1	0	1
Net periodic benefit cost	$ 2	$ 2	$ 4