Acquisitions (Narrative) (Details) $ in Millions		1 Months Ended	3 Months Ended	9 Months Ended
	Jul. 29, 2017 USD ($) category country	Jun. 30, 2017 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired				$ 6,142	$ 113
Goodwill		$ 7,221	$ 10,098	10,098
Goodwill, Acquired During Period				3,195
Patient Recovery Business
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired	$ 6,100
Number of Product Categories Manufactured | category	23
Number of principal countries | country	28
Proceeds from Issuance of Debt		$ 4,500
Transaction and integration costs			25	85
Goodwill			$ 3,144	$ 3,144
Fair Value, Inputs, Level 3 | Patient Recovery Business
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate	8.20%