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Income Taxes (Schedule of Deferred Tax Assets and Liabilities After Netting by Tax Jurisdiction) (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Jun. 30, 2020
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Income Tax Disclosure [Abstract] |  |
Deferred Income Taxes and Other Assets, Noncurrent | $ 52 | $ 39
Deferred Income Taxes and Other Tax Liabilities, Noncurrent | 1,981 | 1,258
Deferred Income Taxes and Other Tax Liabilities, Transferred to Held for Sale, Noncurrent | (3) | 0
Net deferred income tax liability | $ (1,932) | $ (1,219)

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