Shareholders' Equity (Changes in the Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ (706)	$ 1,794	$ 1,792
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(37)	(80)	70
Balance at end of period	(2,851)	(706)	1,794
Other Comprehensive Income (Loss), Tax	2	24
Foreign Currency Translation Adjustments and Other
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(102)	(46)
Other comprehensive loss, before reclassifications	(35)	(56)
Amounts reclassified to earnings	0	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(35)	(56)
Balance at end of period	(137)	(102)	(46)
Unrealized Gain/(Loss) on Derivatives, net of tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(12)	12
Other comprehensive loss, before reclassifications	12	(16)
Amounts reclassified to earnings	(14)	(8)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(2)	(24)
Balance at end of period	(14)	(12)	12
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at end of period	(151)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(114)	(34)	(104)
Other comprehensive loss, before reclassifications	(23)	(72)
Amounts reclassified to earnings	(14)	(8)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(37)	(80)	70
Balance at end of period	$ (151)	$ (114)	$ (34)