Statements of Consolidated Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 820.9	$ 753.7	$ 2,054.9	$ 1,817.4
Other comprehensive income/(loss):
Currency translation adjustments	(68.4)	(2.3)	(83.0)	(49.9)
Unrealized net gains/(losses) on available-for-sale securities	139.3	259.0	199.9	377.0
Tax effect	(32.2)	(58.0)	(45.4)	(84.8)
Reclassification of net (gain)/losses on available-for-sale securities to net earnings	(2.5)	(0.1)	(11.9)	1.4
Tax effect	0.6	0.0	2.6	(0.2)
Unrealized loss on cash flow hedging activities	(38.2)	0.0	(37.4)	0.0
Tax effect	9.5	0.0	9.2	0.0
Reclassification of pension liability adjustment to net earnings	(15.0)	6.1	(14.8)	32.5
Tax effect	3.7	(1.6)	3.7	(8.1)
Other comprehensive income/(loss), net of tax	(3.2)	203.1	22.9	267.9
Comprehensive income	$ 817.7	$ 956.8	$ 2,077.8	$ 2,085.3