Statements of Consolidated Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Consolidated Statement of Comprehensive Income [Abstract]
Net earnings	$ 587.9	$ 532.5	$ 1,467.6	$ 1,210.5
Other comprehensive income/loss:
Currency translation adjustments	20.3	41.2	(23.9)	(5.2)
Unrealized net gains/(losses) on available-for-sale securities	46.3	271.8	(438.3)	150.8
Tax effect	(16.5)	(95.9)	155.1	(53.3)
Reclassification of net losses/(gains) on available-for-sale securities to net earnings	0.2	0.1	(1.1)	3.9
Tax effect	(0.1)	(0.1)	0.3	(1.3)
Reclassification of pension liability adjustment to net earnings	5.1	3.0	15.3	8.9
Tax effect	(1.8)	(1.0)	(5.5)	(3.2)
Other comprehensive income/(loss), net of tax	53.5	219.1	(298.1)	100.6
Comprehensive income	$ 641.4	$ 751.6	$ 1,169.5	$ 1,311.1