XML 112 R81.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Equity Incentive Plans - Summary of Assumptions under Black-Scholes Option Pricing Model to Estimate Stock-based Compensation Expense for Stock Option Awards - Graphite Bio, Inc. (Details) - Class A common stock options granted and outstanding - Graphite Bio, Inc.
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expected dividend yield 0.00% 0.00%
Expected term 6 years 14 days  
Risk free interest rate, minimum 3.50% 1.91%
Risk free interest rate, maximum 4.12% 4.23%
Minimum    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expected volatility, minimum 77.00% 74.00%
Expected term   5 years 11 months 19 days
Maximum    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expected volatility, maximum 79.00% 75.00%
Expected term   6 years 3 days