Income Taxes Income Taxes (Components of Provision for Income Taxes from Continuing Operations) (Details) - USD ($) $ in Millions	3 Months Ended															12 Months Ended
	Jun. 30, 2017	[1]	Mar. 31, 2017	[2]	Dec. 31, 2016	[3]	Sep. 30, 2016	[4]	Jun. 30, 2016	[5]	Mar. 31, 2016	Dec. 31, 2015	[6]	Sep. 30, 2015	[7]	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
United States																$ 2,232.8	$ 2,028.5	$ 1,895.3
Foreign																298.3	206.2	175.4
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	$ 388.4		$ 827.9		$ 786.2		$ 528.7		$ 427.0		$ 794.8	$ 507.9		$ 505.0		$ 2,531.1	$ 2,234.7	$ 2,070.7

[1] Earnings from continuing operations before income taxes; net earnings from continuing operations; and basic and diluted EPS from continuing operations include charges for the Workforce Optimization Effort and Service Alignment Initiative. The combined impact decreased earnings from continuing operations before income taxes by $43.5 million and, net earnings from continuing operations and net earnings by $27.1 million and basic and diluted earnings per share from continuing operations by $0.06.

[2] Earnings from continuing operations before income taxes; net earnings from continuing operations; and basic and diluted EPS from continuing operations include charges for the Service Alignment Initiative. This decreased earnings from continuing operations before income taxes by $0.6 million, and net earnings from continuing operations and net earnings by $0.4 million, and had no impact on basic and diluted earnings per share from continuing operations.

[3] Earnings from continuing operations before income taxes; net earnings from continuing operations; and basic and diluted EPS from continuing operations include the gain on the sale of the COBRA and CHSA businesses. This increased earnings from continuing operations before income taxes by $205.4 million, net earnings from continuing operations and net earnings by $121.4 million, and basic and diluted earnings per share from continuing operations by $0.27.

[4] Earnings from continuing operations before income taxes; net earnings from continuing operations; and basic and diluted EPS from continuing operations include the charge for the Service Alignment Initiative. This decreased earnings from continuing operations before income taxes by $39.9 million, net earnings from continuing operations by $24.8 million and basic and diluted earnings per share from continuing operations by $0.05.

[5] Earnings from continuing operations before income taxes; net earnings from continuing operations; net earnings; and basic and diluted EPS from continuing operations include the charge for the Workforce Optimization Effort. This decreased earnings from continuing operations before income taxes by $48.2 million net earnings from continuing operations and net earnings by $31.8 million and basic and diluted earnings per share from continuing operations by $0.07.

[6] Earnings from continuing operations before income taxes; net earnings from continuing operations; net earnings; and basic and diluted EPS from continuing operations include the gain on sale of a building. This increased earnings from continuing operations before income taxes by $13.9 million net earnings from continuing operations and net earnings by $8.6 million and basic and diluted earnings per share from continuing operations by $0.02.

[7] Earnings from continuing operations before income taxes; net earnings from continuing operations; net earnings; and basic and diluted EPS from continuing operations include the gain on the sale of AMD. This increased earnings from continuing operations before income taxes by $29.1 million, net earnings from continuing operations and net earnings by $21.8 million, and basic and diluted earnings per share from continuing operations by $0.05