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Employee Benefit Plans and Similar Obligations - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Retirement plan service period 3 years    
Top of range [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Percentage contribution to mutual fund retirement plan 10.00%    
Bottom of range [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Percentage contribution to mutual fund retirement plan 3.00%    
Plan 2018-2021 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2018    
Plan 2019-2022 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2019    
Plan 2020-2023 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2020    
Plan 2021-2024 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2021    
Plan 2022-2025 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date August 1, 2022    
Plan 2023 - 2026 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date August 1, 2023    
Retirement Plan [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Total charges $ 3 $ 4 $ 3
Performance Bonus Programs and Performance Evaluation [Member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Total charges $ 111 $ 122 $ 73