Financing Arrangements (Details) $ / shares in Units, shares in Millions		1 Months Ended		12 Months Ended
	Dec. 30, 2019 USD ($)	Nov. 30, 2019 USD ($) $ / shares shares	Sep. 29, 2019	Dec. 31, 2023 USD ($)	Dec. 25, 2022 USD ($)	Sep. 30, 2023 USD ($)	Nov. 30, 2021 USD ($)	Sep. 30, 2019 USD ($)
Line of Credit Facility [Line Items]
Supplier finance program, obligation amount				$ 43,300,000	$ 76,100,000
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]				Accounts payable	Accounts payable
eOne Acquisition
Line of Credit Facility [Line Items]
Shares issued in business combination (in shares) | shares		10.6
Offering price (in dollars per share) | $ / shares		$ 95.00
Commercial Paper Program
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity				$ 1,000,000,000
Debt instrument term				397 days
Revolving Credit Facility | Amended Revolving Credit Agreement
Line of Credit Facility [Line Items]
Coverage ratio						3.00
Consolidated total leverage ratio						3.50
Revolving Credit Facility | Amended Revolving Credit Agreement | Each of the quarters ended September 30, 2023 and December 31, 2023
Line of Credit Facility [Line Items]
Total leverage ratio						4.00
Revolving Credit Facility | Amended Revolving Credit Agreement | Each of the first, second and fourth fiscal quarters of each year (other than 2023)
Line of Credit Facility [Line Items]
Total leverage ratio						3.75
Revolving Credit Facility | Amended Revolving Credit Agreement | Third fiscal quarter of each year (other than 2023)
Line of Credit Facility [Line Items]
Total leverage ratio						4.00
Revolving Credit Facility | Revolving Production Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity							$ 250,000,000
Potential additional incremental commitment							$ 150,000,000
Line of Credit | Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, available borrowing capacity				$ 1,250,000,000
Short-term borrowings under line of credit				0
Line of credit outstanding amount				0	$ 0
Line of credit facility, maximum borrowing capacity						$ 1,250,000,000
Potential additional incremental commitment						$ 500,000,000
Line of Credit | Unsecured Uncommitted Lines Of Credit
Line of Credit Facility [Line Items]
Line of credit facility, available borrowing capacity				95,600,000
Weighted average interest rate					3.30%
Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 2,400,000,000
Senior Notes | eOne Acquisition
Line of Credit Facility [Line Items]
Debt instrument, face amount		2,400,000,000
Unsecured Debt | $1.0 Billion Term Loan Agreement
Line of Credit Facility [Line Items]
Debt instrument, face amount								$ 1,000,000,000
Borrowing from line of credit	$ 1,000,000,000
Unsecured Debt | $1.0 Billion Term Loan Agreement | eOne Acquisition
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 1,000,000,000
Unsecured Debt | Three-Year Term Loan Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount								400,000,000
Repayments of debt				400,000,000
Debt instrument term			3 years
Unsecured Debt | Five-Year Term Loan Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount								$ 600,000,000
Repayments of debt				$ 250,000,000	$ 37,500,000
Debt instrument term			5 years