Equity - Significant reclassifications out of accumulated other comprehensive (loss) in shareholders' equity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022		Jun. 30, 2021	[1]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expense (income), net	$ (184,167)	$ (944,881)	[1]	$ 27,950
Income before income taxes	2,679,664	1,614,226	[1]	2,246,957
Tax benefit	(596,128)	(298,040)	[1]	(500,096)
Net income	2,083,536	1,316,186	[1]	$ 1,746,861
Reclassification out of Accumulated Other Comprehensive Income | Retirement benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income taxes	(14,024)	(161,023)
Tax benefit	3,897	39,389
Net income	(10,127)	(121,634)
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	(931)	(4,111)
Reclassification out of Accumulated Other Comprehensive Income | Recognized actuarial loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expense (income), net	(15,573)	$ (156,912)
Reclassification out of Accumulated Other Comprehensive Income | Divestiture activity
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expense (income), net	$ 2,480

[1] Years ended June 30,2022 and 2021 amounts have been reclassified to reflect the income statement reclassification, as described in Note 1 to the Consolidated Financial Statements.