Equity in the Income of Investees included in Segment Operating Results (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Apr. 01, 2017	Apr. 02, 2016
Schedule of Equity Method Investments
Equity in the income of investees	$ 85	$ 150	$ 203	$ 624
Vice Media
Schedule of Equity Method Investments
Equity in the income of investees	0	0	0	332
Media Networks
Schedule of Equity Method Investments
Equity in the income of investees	88	151	207	293
Parks and Resorts
Schedule of Equity Method Investments
Equity in the income of investees	(3)	0	(5)	0
Consumer Products and Interactive
Schedule of Equity Method Investments
Equity in the income of investees	0	0	1	0
Total Segments
Schedule of Equity Method Investments
Equity in the income of investees	85	151	203	293
Corporate and Other
Schedule of Equity Method Investments
Equity in the income of investees	$ 0	$ (1)	$ 0	$ (1)