Equity - Changes in equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 6,128,529	$ 5,968,152
Net income	321,717	339,041
Other comprehensive income (loss)	170,834	(71,696)
Dividends paid	(113,542)	(113,352)
Stock incentive plan activity	36,711	30,647
Shares purchased at cost		(50,000)
Ending balance	$ 6,544,249	$ 6,102,792
Cash dividends per common share (in USD per share)	$ 0.88	$ 0.88
Foreign Currency Translation Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (1,193,937)	$ (1,011,656)
Ending balance	(1,063,686)	(1,114,228)
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	90,523	90,523
Ending balance	90,523	90,523
Additional Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	416,585	462,086
Stock incentive plan activity	11,744	2,354
Ending balance	428,329	464,440
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	13,530,666	12,777,538
Net income	321,409	338,898
Dividends paid	(113,542)	(113,352)
Ending balance	13,738,533	13,003,084
Accumulated Other Comprehensive (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2,558,875)	(2,059,048)
Other comprehensive income (loss)	170,403	(71,546)
Ending balance	(2,388,472)	(2,130,594)
Treasury Shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(5,364,916)	(5,309,130)
Stock incentive plan activity	24,967	28,293
Shares purchased at cost		(50,000)
Ending balance	(5,339,949)	(5,330,837)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	14,546	6,183
Net income	308	143
Other comprehensive income (loss)	431	(150)
Ending balance	$ 15,285	$ 6,176