Fair Value - Schedule of Financial Assets and Liabilities Carried at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	$ 1,100	$ 1,200
Redeemable noncontrolling interests	(81)	(288)
Fair value measurements recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	1,118	1,249
Redeemable noncontrolling interests	(53)	(261)
Total	1,065	988
Fair value measurements recurring \| Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	1,118	1,249
Redeemable noncontrolling interests	0	0
Total	1,118	1,249
Fair value measurements recurring \| Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	0	0
Redeemable noncontrolling interests	0	0
Total	0	0
Fair value measurements recurring \| Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	0	0
Redeemable noncontrolling interests	(53)	(261)
Total	$ (53)	$ (261)

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

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Fair value of asset after deduction of liability.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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