Statements of Consolidated Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 2,466.5	$ 2,292.8	$ 1,884.9
Other comprensive income:
Currency translation adjustments	(53.0)	(42.2)	7.8
Unrealized net gains/(losses) on available-for-sale securities	602.2	642.4	(460.7)
Tax effect	(136.4)	(144.4)	123.4
Reclassification of net losses/(gains) on available-for-sale securities to net earnings	(12.9)	0.9	2.7
Tax effect	2.9	(0.3)	(0.6)
Unrealized loss on cash flow hedging activities	(40.3)	0.0	0.0
Tax effect	10.0	0.0	0.0
Pension net (losses)/gains arising during the year	(160.8)	(84.7)	87.0
Tax effect	39.5	20.0	(18.7)
Reclassification of pension liability adjustment to net earnings	(11.8)	40.3	9.3
Tax effect	3.1	(9.5)	(4.5)
Other comprehensive income/(loss), net of tax	242.5	422.5	(254.3)
Comprehensive income	$ 2,709.0	$ 2,715.3	$ 1,630.6