Income Taxes (Reconciliation of U.S. Federal Statutory Rate To Effective Tax Rate) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Provision for taxes at U.S. statutory rate	$ 885.9	$ 782.1	$ 724.8
Provision for taxes at U.S. statutory rate, percent	35.00%	35.00%	35.00%
State taxes, net of federal tax benefit	$ 52.2	$ 47.2	$ 34.8
State taxes, net of federal tax benefit, percent	2.10%	2.10%	1.70%
U.S. tax on foreign income	$ 66.1	$ 122.6	$ 155.3
U.S. tax on foreign income, percent	2.60%	5.50%	7.50%
Utilization of foreign tax credits	$ (76.0)	$ (155.4)	$ (177.1)
Utilization of foreign tax credits, percent	(3.00%)	(7.00%)	(8.60%)
Section 199 - Qualified production activities	$ (33.2)	$ (31.9)	$ (28.9)
Section 199 - Qualified production activities, percent	(1.30%)	(1.40%)	(1.40%)
Section 199 - Qualified production activities and research tax credit refund claim - net of reserves	$ (51.8)	$ 0.0	$ 0.0
Section 199 - Qualified production activities and research tax credit refund claim - net of reserves, percent	(2.10%)	(0.00%)	(0.00%)
Excess tax benefit - Stock-based compensation	$ (32.1)	$ 0.0	$ 0.0
Excess tax benefit - Stock-based compensation, percent	(1.30%)	(0.00%)	(0.00%)
Other	$ (13.4)	$ (23.3)	$ (14.7)
Other, percent	(0.50%)	(1.00%)	(0.70%)
Provision for income taxes from continuing operations	$ 797.7	$ 741.3	$ 694.2
Effective Income Tax Rate, Continuing Operations	31.50%	33.20%	33.50%