Costs incurred during the initial evaluation of a potential acquisition that primarily relate to costs to analyze, negotiate, and consummate the transaction, as well as due diligence activities. Also includes costs related to activities required to combine the operations of an acquired enterprise into our operations and to stand-up the systems and processes needed to support a global footprint.

No definition available.

Acquisitions and Divestitures (Narrative) (Details) - USD ($) $ in Millions			12 Months Ended
	Aug. 01, 2018	Jul. 29, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Business Acquisition
Payments to Acquire Businesses, Net of Cash Acquired			$ 82	$ 6,142	$ 132
Pre-Tax Gain on Divestiture			508
Noncontrolling Interest, Ownership Percentage by Parent	98.00%				82.00%		98.00%
Goodwill			$ 8,378	8,316	$ 7,221
Weighted Average Discount Rate, Identifiable Intangible Assets Acquired Present Value			8.00%
Patient Recovery Business [Member]
Business Acquisition
Goodwill						$ 3,299
Patient Recovery Business [Member]
Business Acquisition
Business Combination, Consideration Transferred		$ 6,100
Transaction and integration costs			$ 75	109
China Pharmaceutical and Medical Products Distribution Business [Member]
Business Acquisition
Proceeds from Divestiture of Businesses				861
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities				59
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal				$ 41
naviHealth [Member]
Business Acquisition
Proceeds from Divestiture of Businesses	$ 737
Equity Method Investment, Ownership Percentage	44.00%
Partnership Indirect Ownership	100.00%
Pre-Tax Gain on Divestiture			508
Noncontrolling Interest, Ownership Percentage by Parent	98.00%
Equity Method Investments	$ 358		334
Provisional tax benefit related to transaction	$ 12
Tax Expense as a Result of Divestiture			$ 130