Business Realignment -Schedule of Business Realignment Charges and Workforce Reductions by Business Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Operating Segments \| Diversified Industrial
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 71	$ 53	$ 51
Operating Segments \| Aerospace Systems
Restructuring Cost and Reserve [Line Items]
Business realignment charges	1	0	0
Corporate general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Business realignment charges	0	1	0
Other expense (income), net
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 0	$ 2	$ 2

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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