Major Classes of Assets and Liabilities Allocated Purchase Price (Parenthetical) (Detail) - USD ($) $ in Millions	Mar. 04, 2022	Mar. 31, 2022	Jun. 30, 2021
Business Acquisition [Line Items]
Other current liabilities		$ 11,865	$ 11,666
Nuance Communications Inc.
Business Acquisition [Line Items]
Debt	$ 986
Redeemed debt	947
Other current liabilities	$ 39