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Revenues - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021	Oct. 02, 2021
Contract with Customer, Performance Obligation Satisfied in Previous Period	$ 300	$ 300	$ 900	$ 1,000
Revenue, Remaining Performance Obligation, Amount	12,000		12,000
Contract with Customer, Liability, Revenue Recognized	400	$ 400	3,200	$ 2,500
Syndicated programming
Long-term receivables, net of allowance for credit losses	700		700		$ 800
Mortgage Receivable
Long-term receivables, net of allowance for credit losses	600		600		$ 600
Unsatisfied performance obligation recognized in fiscal 2022
Revenue, Remaining Performance Obligation, Amount	2,000		2,000
Unsatisfied performance obligation recognized in fiscal 2023
Revenue, Remaining Performance Obligation, Amount	5,000		5,000
Unsatisfied performance obligation recognized in fiscal 2024
Revenue, Remaining Performance Obligation, Amount	3,000		3,000
Unsatisfied performance obligation recognized thereafter
Revenue, Remaining Performance Obligation, Amount	$ 2,000		$ 2,000