Description of Business and Basis of Presentation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended	12 Months Ended
	Mar. 19, 2019	Sep. 30, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Disclosure Basis Of Presentation Details [Line Items]
Estimated annual tax deductions resulting from the Separation and the Distribution, amount	$ 1,500
Estimated reduction to the annual cash tax liability resulting from the Separation and the Distribution, amount	$ 360
Federal and state applicable tax rate	24.00%		28.00%	27.00%	25.00%
Settlement of Divestiture Tax Prepayment			$ 0	$ 0	$ 462
Separation And Distribution Agreement
Disclosure Basis Of Presentation Details [Line Items]
Estimated tax liability included in Transaction Tax paid	$ 5,800
Prepayment of the Company's share of the estimated taxes resulting from the anticipated divestitures by Disney of certain assets	$ 700
Settlement of Divestiture Tax Prepayment		$ 462
Class A
Disclosure Basis Of Presentation Details [Line Items]
Common stock, par value (in USD per share)	$ 0.01		$ 0.01	$ 0.01
Class B
Disclosure Basis Of Presentation Details [Line Items]
Common stock, par value (in USD per share)	$ 0.01		$ 0.01	$ 0.01