Other income, net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Other Income and Expenses [Abstract]
Equity method investments, cash dividends			$ 73	$ 71
Equity method investments, sales to and services performed for	$ 23	$ 17	$ 43	$ 33

Proceeds from Equity Method Investment, Distributions For Return Of Investment and Return On Investment

No definition available.

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Period Type:	duration