v3.26.1
Financial Risks - Summary of information about probability default rate explanatory (Detail) - Americas [Member]
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Top of range [member] | AAA Credit Grades [Member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0018 0.0021
Top of range [member] | AA credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0031 0.0034
Top of range [member] | A credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.005 0.0052
Top of range [member] | BBB credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0079 0.0079
Top of range [member] | BB credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0133 0.0131
Top of range [member] | B Credit Grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.032 0.0307
Top of range [member] | CCC Or Lower Credit Grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 1 1
Bottom of range [member] | AAA Credit Grades [Member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0001 0.0001
Bottom of range [member] | AA credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0002 0.0002
Bottom of range [member] | A credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0006 0.0006
Bottom of range [member] | BBB credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0016 0.0017
Bottom of range [member] | BB credit grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0048 0.0048
Bottom of range [member] | B Credit Grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0117 0.012
Bottom of range [member] | CCC Or Lower Credit Grades [member]    
Disclosure Of Information About Probability Default Rate [Line Items]    
Probability Default Rating 0.0209 0.0196