Commitments and Contingencies - Additional Information (Details) (USD $)	6 Months Ended				0 Months Ended
	Mar. 29, 2014	Mar. 29, 2014 Syndicated programming	Mar. 29, 2014 Mortgage Receivable	Mar. 29, 2014 Guarantee Obligations	Sep. 13, 2012 Beef Products
Commitments and Contingencies Disclosure [Line Items]
Loss Contingency, Damages Sought, Value					$ 400,000,000
Guarantor Obligations, Maximum Exposure, Undiscounted				339,000,000
Remaining debt service obligation guaranteed, principal				72,000,000
Long-term receivables, net of allowance for credit losses		900,000,000	700,000,000
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions	197,000,000
Unrecognized Tax Benefits	923,000,000
Allowance for credit losses related to long-term receivables, percentage			5.00%
Unrecognized tax benefits expected reduction due to resolutions of open tax matters	186,000,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 51,000,000