Business realignment - Schedule of Business Realignment Charges (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Cost of sales | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Business realignment charges | $ 8 | $ 12 | $ 17 | $ 17 |
| Selling, general and administrative expenses | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Business realignment charges | 5 | 9 | 11 | 13 |
| Other income, net | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Business realignment charges | $ 0 | $ 0 | $ 0 | $ 1 |
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- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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