Shareholders' Equity (Changes in the Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
AOCI, Net of Tax [Roll Forward]
Balance at beginning of period	$ (2,851)	$ (706)
Total other comprehensive loss, net of tax	(14)	(62)
Other Comprehensive Income (Loss), Tax	3	7
Balance at end of period	(3,490)	(1,780)
Foreign Currency Translation Adjustments
AOCI, Net of Tax [Roll Forward]
Balance at beginning of period	(137)	(102)
Other comprehensive loss, before reclassifications	(11)	(58)
Amounts reclassified to earnings	0	0
Total other comprehensive loss, net of tax	(11)	(58)
Balance at end of period	(148)	(160)
Unrealized Gain/(Loss) on Derivatives, net of tax
AOCI, Net of Tax [Roll Forward]
Balance at beginning of period	(14)	(12)
Other comprehensive loss, before reclassifications	(1)	(2)
Amounts reclassified to earnings	(2)	(2)
Total other comprehensive loss, net of tax	(3)	(4)
Balance at end of period	(17)	(16)
Accumulated Other Comprehensive Loss
AOCI, Net of Tax [Roll Forward]
Balance at beginning of period	(151)	(114)
Total other comprehensive loss, net of tax	(14)	(62)
Balance at end of period	(165)	(176)
Accumulated Other Comprehensive Loss
AOCI, Net of Tax [Roll Forward]
Balance at beginning of period	(151)	(114)
Other comprehensive loss, before reclassifications	(12)	(60)
Amounts reclassified to earnings	(2)	(2)
Balance at end of period	$ (165)	$ (176)