Acquisitions (Acquisition) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Jun. 30, 2017
Business Acquisition [Line Items]
Goodwill	$ 10,419	$ 7,221
Patient Recovery Business [Member]
Business Acquisition [Line Items]
Total identifiable intangible assets acquired	2,630
Cash and equivalents	24
Inventories	434
Prepaid expenses and other	106
Property and equipment, net	807
Other accrued liabilities	(153)
Deferred income taxes and other liabilities	(873)
Total identifiable net assets acquired/(liabilities) assumed	2,975
Goodwill	3,103
Total net assets acquired	6,078
Customer relationships | Patient Recovery Business [Member]
Business Acquisition [Line Items]
Identifiable intangible assets:	$ 1,712
Trade Names [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Trade Names [Member] | Patient Recovery Business [Member]
Business Acquisition [Line Items]
Identifiable intangible assets:	$ 186
Developed Technology Rights [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Developed Technology Rights [Member] | Patient Recovery Business [Member]
Business Acquisition [Line Items]
Identifiable intangible assets:	$ 732
Minimum | Customer relationships
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Maximum | Customer relationships
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	18 years