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Segmented Information - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2024
Segment
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Disclosure of geographical areas [line items]      
Number Of Reporting Segments | Segment 3    
Corporate [Member]      
Disclosure of geographical areas [line items]      
Increase (decrease) of segment assets   $ 186 $ (11)
NAM [member]      
Disclosure of geographical areas [line items]      
Increase (decrease) in reporting segments operating income   (1)  
Increase (decrease) of segment assets   (183)  
EH [member]      
Disclosure of geographical areas [line items]      
Increase (decrease) in reporting segments operating income   1  
Increase (decrease) of segment assets   (6) 8
LATAM [member]      
Disclosure of geographical areas [line items]      
Increase (decrease) of segment assets   $ 3 $ 3
Bottom of range [member]      
Disclosure of geographical areas [line items]      
Percentage of entities revenue 10.00% 10.00%