Retirement Plan (Schedule Of Projected Benefit Obligations And Change In Fair Value Of Plan Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Sep. 27, 2014
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3	$ 1
Interest cost	16	8	8
Plan assets at beginning of period	142
Plan assets at end of period	418	142
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
PBO at beginning of period	193	192
Acquistions	256
Service cost	3	1
Interest cost	15	8
Actuarial loss (gain)	44	11
Currency impact	1
Benefit settlements		(9)
Benefits paid	(20)	(10)
PBO at end of period	492	193	192
Plan assets at beginning of period	142	154
Acquisitions	253
Currency impact	1
Actual return on plan assets	37	3
Company contributions	5	4
Benefit settlements		(9)
Plan assets at end of period	418	142	154
Net amount recognized	(74)	(51)
Retiree Health Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
PBO at beginning of period	2	2
Acquistions	5
PBO at end of period	7	2	$ 2
Net amount recognized	$ (7)	$ (2)