Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 31, 2020	Jun. 30, 2020
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	$ 24	$ 23
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	5,853	5,831
Accumulated Amortization	3,174	2,936
Net Intangible	$ 2,679	2,895
Weighted- Average Remaining Amortization Period (Years)	12 years
Gross Intangible, Total other intangible assets	$ 5,877	5,854
Net Intangible, Total other intangible assets	2,703	2,918
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	24	23
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	3,570	3,554
Accumulated Amortization	1,978	1,828
Net Intangible	$ 1,592	1,726
Weighted- Average Remaining Amortization Period (Years)	13 years
Trademarks, trade names and patents
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 671	673
Accumulated Amortization	360	341
Net Intangible	$ 311	332
Weighted- Average Remaining Amortization Period (Years)	12 years
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 1,612	1,604
Accumulated Amortization	836	767
Net Intangible	$ 776	$ 837
Weighted- Average Remaining Amortization Period (Years)	11 years