Basis of Presentation and Summary of Significant Accounting Policies (Narrative, Property and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Property, Plant and Equipment [Line Items]
Depreciation	$ 470	$ 441	$ 412
Interest rate on long-term projects (approximates weighted-average on long-term obligations)	5.00%
Building and Improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	3 years
Building and Improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	39 years
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	20 years
Capitalized software held for internal use | Minimum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	3 years
Capitalized software held for internal use | Maximum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	7 years
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	7 years