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Commitments and Contingencies (Detail) $ in Millions			1 Months Ended			3 Months Ended		6 Months Ended
Commitments and Contingencies (Detail) $ in Millions	Jan. 06, 2025 USD ($)	Sep. 12, 2023 claim	Apr. 30, 2023 USD ($)	Mar. 31, 2021 USD ($)	Feb. 28, 2021 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 10, 2025 USD ($)	Jun. 30, 2024 USD ($)
Loss Contingencies [Line Items]
Total firm commitments and future debt payments						$ 36,000		$ 36,000			$ 38,000
Legal settlement costs						90	$ 4	97	$ 4
Smartmatic
Loss Contingencies [Line Items]
Loss contingency, damages sought, value					$ 2,700
Dominion
Loss Contingencies [Line Items]
Loss contingency, damages sought, value				$ 1,600
Legal settlement costs			$ 800
Loss contingency, new claims filed, number \| claim		2
Fubo Lawsuit \| Subsequent Event
Loss Contingencies [Line Items]
Payments for legal settlements	$ 80
Fubo Lawsuit \| Subsequent Event \| Defendants
Loss Contingencies [Line Items]
Payments for legal settlements	$ 220
U.K. Newspaper Matters Indemnity
Loss Contingencies [Line Items]
Liability related to indemnity						$ 70		$ 70			$ 65
Termination Fee \| Fubo Lawsuit \| Subsequent Event
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										$ 130
Term Loan Financing \| Fubo Lawsuit \| Subsequent Event \| Disney
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										$ 145