Additional Financial Information (Components of Other, Net) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Transaction costs	[1]	$ (2)	$ (29)	$ 431	$ (72)
Net gains (losses) on investments in equity securities	[2]	43	(567)	384	(185)
U.K. Newspaper Matters Indemnity	[3]	(15)	(18)	(43)	(62)
Other		35	(18)	(20)	(26)
Total other, net		$ 61	$ (632)	$ 752	$ (345)

[1] The transaction costs for the nine months ended March 31, 2021 are primarily related to the partial settlement from Disney of $462 million related to the reimbursement of the Company’s prepayment of its share of the Divestiture Tax (See Note 1—Description of Business and Basis of Presentation). The transaction costs for the nine months ended March 31, 2020 are primarily related to costs associated with the profits participants litigation (See Note 14—Commitments and Contingencies in the 2020 Form 10-K under the heading “Profits Participants Litigation”) and the Separation and the Distribution (See Note 1—Description of Business and Basis of Presentation in the 2020 Form 10-K under the heading “The Distribution”) and included retention related costs.

[2] Net gains (losses) on investments in equity securities for the three and nine months ended March 31, 2021 included the gains related to the changes in fair value of the Company’s investment in Flutter (See Note 4—Fair Value) and for the three and nine months ended March 31, 2020 included the losses related to the changes in fair value of the Company’s investment in Roku, Inc. which was sold in March 2020 (See Note 3—Acquisitions, Disposals and Other Transactions in the 2020 Form 10-K under the heading “Roku”).

[3] See Note 8—Commitments and Contingencies under the heading “U.K. Newspaper Matters Indemnity.”