Revenue recognition - Schedule of Total Revenue by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 5,084	$ 4,904
North America
Disaggregation of Revenue [Line Items]
Net sales	3,450	3,333
Europe
Disaggregation of Revenue [Line Items]
Net sales	960	935
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	616	580
Latin America
Disaggregation of Revenue [Line Items]
Net sales	$ 58	$ 56

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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