Pension and Other Postretirement Benefit Plans (Details) - USD ($) $ in Millions		3 Months Ended
		Dec. 31, 2016	Jan. 02, 2016
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost		$ 3	$ 4
Interest cost		16	20
Expected return on plan assets		(15)	(17)
Amortization of net actuarial loss		2	1
Settlement (gain) loss	[1]	0	(12)
Net periodic cost (credit)		6	(4)
Other Postretirement Benefit Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost		0	1
Amortization of prior service credit		(6)	(4)
Net periodic cost (credit)		$ (6)	$ (3)

[1] We made lump-sum settlement payments using plan assets of $265 million for the three months ended January 2, 2016, to certain deferred vested participants within our qualified pension plans.