Borrowing Activity (Details) $ in Millions	3 Months Ended
	Dec. 30, 2017 USD ($)
Borrowings [Roll Forward]
Borrowings beginning balance	$ 25,291
Borrowings	3,784
Payments	(2,949)
Other Activity	(35)
Borrowings ending balance	26,091
Commercial paper with original maturities less than three months
Borrowings [Roll Forward]
Borrowings beginning balance	1,151
Borrowings	2,047	[1]
Payments	0	[1]
Other Activity	0
Borrowings ending balance	3,198
Commercial paper with original maturities greater than three months
Borrowings [Roll Forward]
Borrowings beginning balance	1,621
Borrowings	712
Payments	(1,619)
Other Activity	(1)
Borrowings ending balance	713
U.S. and European medium-term notes
Borrowings [Roll Forward]
Borrowings beginning balance	19,721
Borrowings	0
Payments	(1,300)
Other Activity	6
Borrowings ending balance	18,427
BAMTech Notes Payable [Member]
Borrowings [Roll Forward]
Borrowings beginning balance	1,581
Borrowings	0
Payments	0
Other Activity	0
Borrowings ending balance	1,581
Asia International Theme Parks borrowings
Borrowings [Roll Forward]
Borrowings beginning balance	1,145
Borrowings	0
Payments	0
Other Activity	30
Borrowings ending balance	1,175
Foreign currency denominated debt and other
Borrowings [Roll Forward]
Borrowings beginning balance	72
Borrowings	1,025
Payments	(30)
Other Activity	(70)	[2]
Borrowings ending balance	$ 997

[1] Borrowings and payments are reported net.

[2] The other activity is primarily market value adjustments for debt with qualifying hedges.