Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2018	Jun. 30, 2018
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	$ 59	$ 62
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	5,739	5,742
Accumulated Amortization	2,024	1,891
Net Intangible	$ 3,715	3,851
Weighted- Average Remaining Amortization Period (Years)	13 years
Gross Intangible, Total other intangible assets	$ 5,798	5,804
Net Intangible, Total other intangible assets	3,774	3,913
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	59
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible		62
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	3,512	3,513
Accumulated Amortization	1,272	1,191
Net Intangible	$ 2,240	2,322
Weighted- Average Remaining Amortization Period (Years)	14 years
Trademarks, trade names and patents
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 667	667
Accumulated Amortization	258	246
Net Intangible	$ 409	421
Weighted- Average Remaining Amortization Period (Years)	14 years
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 1,560	1,562
Accumulated Amortization	494	454
Net Intangible	$ 1,066	$ 1,108
Weighted- Average Remaining Amortization Period (Years)	11 years