Additional Financial Information - Components of Accounts Payable, Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Programming payable	$ 984	$ 785
Accrued expenses	925	1,028
Deferred revenue	167	160
Operating lease liabilities	69	72
Other current liabilities	312	469
Total accounts payable, accrued expenses and other current liabilities	$ 2,457	$ 2,514