Fair Value (Liabilities Measured on Recurring Basis) (Details) - Redeemable Noncontrolling Interests - Level 3 - USD ($) $ in Millions		3 Months Ended			6 Months Ended
		Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2019		Dec. 31, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period		$ (207)		$ (83)	$ (189)		$ (275)
Acquisitions	[1]	(109)		0	(109)		0
Net income		(3)		(10)	(12)		(21)
Distributions		5		6	13		19
Accretion and other		98	[2]	(19)	81	[2]	171	[3]
End of period		$ (216)		$ (106)	$ (216)		$ (106)

[1] See Note 2—Acquisitions, Disposals and Other Transactions under the heading “Credible Acquisition.”

[2] As a result of the expiration of a portion of the put rights held by the sports network minority shareholder during the three months ended December 31, 2019, approximately $120 million was reclassified into equity.

[3] As a result of the expiration of a portion of the put rights held by the sports network minority shareholder during the six months ended December 31, 2018, approximately $200 million was reclassified into equity.