Basis of Presentation and Summary of Significant Accounting Policies (Components of Property and Equipment) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 6,319	$ 5,883
Accumulated depreciation and amortization	(3,857)	(3,522)
Property and equipment, net	2,462	2,361	$ 2,360
Land, building and improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	1,785	1,724
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	2,206	2,114
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	125	125
Construction in Progress
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	516	358
Software and Software Development Costs
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 1,687	$ 1,562
Maximum | Building and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	39 years
Maximum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Maximum | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Maximum | Software and Software Development Costs
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Minimum | Building and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Minimum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Minimum | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Minimum | Software and Software Development Costs
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years