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Income Taxes (Unaudited) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2020 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2021
Income Tax Disclosure [Abstract] |  |  |  |  |  |
Consolidated effective income tax rate (percent) |  |  |  | (9.00%) | 101.00% |
Schedule Of Income Taxes [Line Items] |  |  |  |  |  |
U.S. operations |  |  |  | $ 58 | $ 20 |
International operations |  |  |  | (94) | (110) |
Total |  | $ (96) | $ 15 | $ (36) | $ (90) |
Subsequent event |  |  |  |  |  |
Schedule Of Income Taxes [Line Items] |  |  |  |  |  |
Proceeds from Income Tax Refunds | $ 221 |  |  |  |  | $ 47

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