Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	$ 12	$ 23
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	428	512	$ 531
Gross Intangible	4,916	5,831
Accumulated Amortization	2,823	2,936
Net Intangible	$ 2,093	2,895
Weighted- Average Remaining Amortization Period (Years)	10 years
Gross Intangible, Total other intangible assets	$ 4,928	5,854
Net Intangible, Total other intangible assets	2,105	2,918
Trademarks and patents
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	12	23
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	3,330	3,554
Accumulated Amortization	1,989	1,828
Net Intangible	$ 1,341	1,726
Weighted- Average Remaining Amortization Period (Years)	11 years
Trademarks, trade names and patents
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 551	673
Accumulated Amortization	328	341
Net Intangible	$ 223	332
Weighted- Average Remaining Amortization Period (Years)	9 years
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 1,035	1,604
Accumulated Amortization	506	767
Net Intangible	$ 529	$ 837
Weighted- Average Remaining Amortization Period (Years)	10 years