Financial Instruments (Schedule of Gain/(Loss) Recognized in Earnings for Derivatives Not Designated as Hedging Instrument) (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Not Designated as Hedging Instrument \| Foreign Currency Contracts \| Other Income, Net
Derivative [Line Items]
Gain/(loss) recognized in earnings for economic (non-designated) derivative instruments	$ 1	$ (7)	$ 0

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CC
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration