Equity - Significant reclassifications out of accumulated other comprehensive (loss) in shareholders' equity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expense (income), net	$ (984,868)	$ 17,003	$ 67,112
Income before income taxes	1,614,226	2,246,957	1,506,854
Tax benefit	(298,040)	(500,096)	(304,522)
Net income	1,316,186	1,746,861	$ 1,202,332
Reclassification out of Accumulated Other Comprehensive Income | Amortization of prior service cost and initial net obligation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expense (income), net	(4,111)	(5,270)
Reclassification out of Accumulated Other Comprehensive Income | Recognized actuarial loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expense (income), net	(156,912)	(207,896)
Reclassification out of Accumulated Other Comprehensive Income | Retirement benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income taxes	(161,023)	(213,166)
Tax benefit	39,389	51,943
Net income	$ (121,634)	$ (161,223)