Acquisitions and Dispositions - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions							3 Months Ended	12 Months Ended
		Oct. 29, 2025	Jun. 28, 2025	Nov. 14, 2024	Dec. 31, 2023	Nov. 30, 2022	Jun. 28, 2025	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023	Oct. 31, 2025	Nov. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill, Impairment Loss	[1]								$ 2,622
ESPN
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective ownership interest								80.00%
Scenario, Plan | Fubo | Loans Receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Combination, Separately Recognized Transactions, Assets Recognized								$ 145
Subsequent Event | Fubo
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Combination, Price of Acquisition, Expected		$ 1,300
Business Combination, Price Per Share		$ 3.69
Subsequent Event | ESPN | NFL Network
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective ownership interest											72.00%
Star India
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Equity Method Investment Retained After Disposal, Ownership Interest After Disposal				37.00%
Goodwill, Impairment Loss								75	$ 1,545	$ 0
Non-cash Tax Charge								$ 200
Fubo Operations LLC | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Joint Venture Ownership Percentage		70.00%
Fubo | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest		70.00%
Hulu LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest								100.00%
Other Tax Expense (Benefit)							$ (3,300)	$ 3,300
NFL | Subsequent Event | ESPN | NFL Network
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective ownership interest by noncontrolling owners											10.00%
Hearst Corporation | Domestic DTC Sports Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective ownership interest by noncontrolling owners										20.00%
Contribution to Subsdiary, Noncontrolling Owner										$ 710
Hearst Corporation | Subsequent Event | ESPN | NFL Network
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective ownership interest by noncontrolling owners											18.00%
Equity Interest Held by Fubo Shareholders | Fubo | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest		30.00%
Equity Interest Held by RIL | Star India
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest				56.00%
Equity Interest Held by Bodhi Tree Systems | Star India
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest				7.00%
Equity Interest Held by NBC Universal | Hulu LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest												33.00%
Redeemable Noncontrolling Interest, Equity, Redemption Value												$ 27,500
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			$ 400		$ 8,600
Equity Interest Held by NBC Universal | Hulu LLC | Pro Forma
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of Tax Benefit Shared Arising from Noncontrolling Interest Acquisition								50.00%
Tax Benefit Amortization Period Arising from Noncontrolling Interest Acquisition								15 years
MLB | BAMTech, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Interest						15.00%
Redeemable Noncontrolling Interest, Equity, Redemption Value						$ 900				$ 828
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest						$ 72

[1] Fiscal 2024 reflects impairments related to entertainment linear networks and Star India (see Note 18).