Severance - Additional Information (Details) - Severance - USD ($) $ in Millions	Oct. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		$ 13	$ 11
Global Workforce Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		$ 0
Global Workforce Reduction | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Percentage of workforce reduction	4.00%
Global Workforce Reduction | Subsequent Event | Minimum
Restructuring Cost and Reserve [Line Items]
Expected cost to be incurred	$ 55
Global Workforce Reduction | Subsequent Event | Maximum
Restructuring Cost and Reserve [Line Items]
Expected cost to be incurred	$ 65