Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2018	Jun. 30, 2017
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	$ 62	$ 61
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	5,978	3,391
Accumulated Amortization	1,839	1,466
Net Intangible	$ 4,139	1,925
Weighted- Average Remaining Amortization Period (Years)	14 years
Gross Intangible, Total other intangible assets	$ 6,040	3,452
Net Intangible, Total other intangible assets	4,201	1,986
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	62
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible		61
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	3,625	1,966
Accumulated Amortization	1,162	967
Net Intangible	$ 2,463	999
Weighted- Average Remaining Amortization Period (Years)	15 years
Trademarks, trade names and patents
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 684	509
Accumulated Amortization	237	195
Net Intangible	$ 447	314
Weighted- Average Remaining Amortization Period (Years)	15 years
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 1,669	916
Accumulated Amortization	440	304
Net Intangible	$ 1,229	$ 612
Weighted- Average Remaining Amortization Period (Years)	12 years