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Related Parties - Summary of Directors and Executive Board Management Compensation (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Directors [member]      
Disclosure of transactions between related parties [line items]      
Short-term employee benefits $ 2 $ 2 $ 2
Total Compensation 2 2 2
Executive Committee [member]      
Disclosure of transactions between related parties [line items]      
Short-term employee benefits 12 15 24
Termination benefits 0 0 0
Share-based payment 46 35 33
Total Compensation $ 58 $ 50 $ 57