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Major Classes of Assets and Liabilities Allocated Purchase Price (Parenthetical) (Detail) - USD ($) $ in Millions | Mar. 04, 2022 | Sep. 30, 2022 | Jun. 30, 2022
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Other current liabilities |  | $ 12,058 | $ 13,067
Nuance Communications Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Debt | $ 986 |  |
Redeemed debt | $ 985 |  |

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