Fair Value (Liabilities Measured on Recurring Basis) (Details) - Redeemable Noncontrolling Interests - Level 3 - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019		Mar. 31, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period	$ (106)	$ (195)	$ (275)		$ (154)
Net income	(6)	(9)	(27)		(32)
Distributions	6	10	25		29
Accretion and other	(30)	(32)	141	[1]	(69)
End of period	$ (136)	$ (226)	$ (136)		$ (226)

[1] As a result of the expiration of a portion of the minority shareholder’s put right, approximately $200 million was reclassified into equity.