Investments - Additional Information (Detail) $ in Billions	Sep. 30, 2023 USD ($)
Schedule of Equity Method Investments [Line Items]
Excess book value of equity method investments representing intangible assets and goodwill	$ 0.7
A&E
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Interest	50.00%
CTV Specialty Television, Inc.
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Interest	30.00%
Tata Play Limited
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Interest	30.00%

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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