Income Taxes (Schedule of Deferred Tax Assets and Liabilities After Netting by Tax Jurisdiction) (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025
Income Tax Disclosure [Abstract]
Noncurrent deferred income tax asset	$ 63	$ 64
Noncurrent deferred income tax liability	(2,370)	(2,364)
Net deferred income tax liability	$ (2,307)	$ (2,300)

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and other assets expected to be realized or consumed after one year or normal operating cycle, if longer.

No definition available.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, after deferred tax asset, and other tax liabilities expected to be paid after one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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- References

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