Cash Equivalents and Investments - Footnote (Detail) - Certificates of deposit and money market deposit accounts/funds	Dec. 31, 2025	Dec. 31, 2024
Short-term Investments | Minimum
Cash and Cash Equivalents [Line Items]
Securities maturity period	1 month	1 month
Short-term Investments | Maximum
Cash and Cash Equivalents [Line Items]
Securities maturity period	12 months	12 months
Other assets | Minimum
Cash and Cash Equivalents [Line Items]
Securities maturity period	13 months
Other assets | Maximum
Cash and Cash Equivalents [Line Items]
Securities maturity period	22 months
Cash and cash equivalent | Maximum
Cash and Cash Equivalents [Line Items]
Securities maturity period	90 days