Business Realignment and Acquisition Integration Charges - Schedule of Business Realignment Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Gain on sale of businesses and assets, net
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 2	$ 2	$ 0
Cost of sales
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 31	$ 30	$ 16
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Product and Service Sold	Cost of Product and Service Sold	Cost of Product and Service Sold
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 23	$ 21	$ 11
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, general and administrative expenses	Selling, general and administrative expenses	Selling, general and administrative expenses