Segment Information Equity in the Income of Investees included in Segment Operating Results (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Equity in the income of investees	$ 232	$ 169	$ 527	$ 452
Cable
Schedule of Equity Method Investments [Line Items]
Equity in the income of investees	237	177	609	476
Broadcasting
Schedule of Equity Method Investments [Line Items]
Equity in the income of investees	(5)	(7)	(28)	(24)
Equity in the Income Of Investees Included In Segment Results
Schedule of Equity Method Investments [Line Items]
Equity in the income of investees	$ 232	$ 170	$ 581	$ 452