Accounting Policies - Additional Information (Detail) - USD ($) $ in Billions	Dec. 31, 2024	Jun. 30, 2024
Significant Accounting Policies [Line Items]
Long-term accounts receivable, net of allowance for doubtful accounts	$ 4.9	$ 4.9
Other receivables related to purchase of components	11.4	10.5
Financing receivables, net	3.1	$ 4.5
OpenAI Global, LLC
Significant Accounting Policies [Line Items]
Total funding commitments	$ 13.0
Maximum | Reprogrammed Interchange LLC | Inflection AI, Inc
Significant Accounting Policies [Line Items]
Equity interest percentage	10.00%
Maximum | Greylock Ventures | Inflection AI, Inc
Significant Accounting Policies [Line Items]
Equity interest percentage	10.00%