Statements of Consolidated Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 753.7	$ 661.0	$ 1,817.4	$ 1,744.0
Other comprehensive income/loss:
Currency translation adjustments	(2.3)	26.8	(49.9)	81.8
Unrealized net gains/(losses) on available-for-sale securities	259.0	(240.4)	377.0	(400.6)
Tax effect	(58.0)	53.4	(84.8)	109.9
Reclassification of net (gain)/losses on available-for-sale securities to net earnings	(0.1)	0.2	1.4	1.3
Tax effect	0.0	0.1	(0.2)	(0.2)
Reclassification of pension liability adjustment to net earnings	6.1	2.3	32.5	6.9
Tax effect	(1.6)	(0.6)	(8.1)	(2.3)
Other comprehensive income/(loss), net of tax	203.1	(158.2)	267.9	(203.2)
Comprehensive income	$ 956.8	$ 502.8	$ 2,085.3	$ 1,540.8