Condensed Consolidated Statement of Equity - USD ($) $ in Millions	Total	Ordinary Shares	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Shares	Non-controlling Interests
Beginning Balance at Jun. 30, 2021	$ 4,821	$ 15	$ 5,092	$ 452	$ (766)	$ (29)	$ 57
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	703			696			7
Other comprehensive income	(40)				(41)		1
Share buyback/cancellations	(423)	0	(423)
Dividends declared	(550)			(544)			(6)
Options exercised and shares vested	92		(35)			127
Net settlement of forward contracts to purchase own equity for share-based incentive plans, net of tax	(59)		(59)
Purchase of treasury shares	(133)					(133)
Share-based compensation expense	47		47
Change in non-controlling interests	1		0				1
Ending Balance at Mar. 31, 2022	4,577	15	4,740	604	(807)	(35)	60
Beginning Balance at Dec. 31, 2021	4,519	15	4,854	515	(885)	(37)	57
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	271			269			2
Other comprehensive income	80				78		2
Share buyback/cancellations	(128)	0	(128)
Dividends declared	(182)			(180)			(2)
Options exercised and shares vested	0		(2)			2
Net settlement of forward contracts to purchase own equity for share-based incentive plans, net of tax	0		0
Purchase of treasury shares	0					0
Share-based compensation expense	16		16
Change in non-controlling interests	1		0				1
Ending Balance at Mar. 31, 2022	4,577	15	4,740	604	(807)	(35)	60
Beginning Balance at Jun. 30, 2022	4,141	15	4,431	534	(880)	(18)	59
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	874			868			6
Other comprehensive income	23				23		0
Share buyback/cancellations	(200)	0	(200)
Dividends declared	(545)			(539)			(6)
Options exercised and shares vested	133		(92)			225
Net settlement of forward contracts to purchase own equity for share-based incentive plans, net of tax	60		60
Purchase of treasury shares	(221)					(221)
Share-based compensation expense	42		42
Change in non-controlling interests	1						1
Ending Balance at Mar. 31, 2023	4,308	15	4,241	863	(857)	(14)	60
Beginning Balance at Dec. 31, 2022	4,411	15	4,391	866	(901)	(18)	58
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	179			177			2
Other comprehensive income	44				44		0
Share buyback/cancellations	(160)	0	(160)
Dividends declared	(180)			(180)			0
Options exercised and shares vested	1		(3)			4
Net settlement of forward contracts to purchase own equity for share-based incentive plans, net of tax	0		0
Purchase of treasury shares	0					0
Share-based compensation expense	13		13
Change in non-controlling interests	0						0
Ending Balance at Mar. 31, 2023	$ 4,308	$ 15	$ 4,241	$ 863	$ (857)	$ (14)	$ 60