Equity - Changes in equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 12,080,893	$ 10,338,279
Net income	698,528	651,072
Other comprehensive (loss) income	347,997	(221,714)
Dividends paid	(209,937)	(190,420)
Stock incentive plan activity	33,868	49,747
Acquisition activity		(2,014)
Shares purchased at cost	(50,000)	(50,000)
Ending balance	$ 12,901,349	$ 10,574,950
Dividends paid (in USD per share)	$ 1.63	$ 1.48
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 90,523	$ 90,523
Ending balance	90,523	90,523
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	264,508	305,522
Stock incentive plan activity	10,511	31,225
Acquisition activity		415
Ending balance	275,019	337,162
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	19,104,599	17,041,502
Net income	698,420	650,827
Dividends paid	(209,937)	(190,420)
Ending balance	19,593,082	17,501,909
Accumulated Other Comprehensive (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,438,012)	(1,292,872)
Other comprehensive (loss) income	347,577	(222,075)
Ending balance	(1,090,435)	(1,514,947)
Treasury Shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(5,949,646)	(5,817,787)
Stock incentive plan activity	23,357	18,522
Shares purchased at cost	(50,000)	(50,000)
Ending balance	(5,976,289)	(5,849,265)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	8,921	11,391
Net income	108	245
Other comprehensive (loss) income	420	361
Acquisition activity		(2,429)
Ending balance	$ 9,449	$ 9,568