Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2019	Jun. 30, 2018
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	$ 59	$ 62
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	5,760	5,742
Accumulated Amortization	2,289	1,891
Net Intangible	$ 3,471	3,851
Weighted- Average Remaining Amortization Period (Years)	14 years
Gross Intangible, Total other intangible assets	$ 5,819	5,804
Net Intangible, Total other intangible assets	3,530	3,913
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	59	62
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	3,528	3,513
Accumulated Amortization	1,432	1,191
Net Intangible	$ 2,096	2,322
Weighted- Average Remaining Amortization Period (Years)	14 years
Trademarks, trade names and patents
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 669	667
Accumulated Amortization	283	246
Net Intangible	$ 386	421
Weighted- Average Remaining Amortization Period (Years)	14 years
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 1,563	1,562
Accumulated Amortization	574	454
Net Intangible	$ 989	$ 1,108
Weighted- Average Remaining Amortization Period (Years)	12 years