v3.26.1
Acquisitions - Summary of Net Assets Acquired (Detail) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure of detailed information about business combination [Line Items]    
Cash and cash equivalents $ 24  
Trade receivables 7  
Other financial assets 2  
Prepaid expenses and other current assets 0  
Current assets 33  
Property and equipment 1  
Equity method investments 8  
Other non-current assets 3  
Total assets 187  
Payables and accruals (5)  
Current taxes payable (15)  
Deferred revenue [1] (1)  
Current liabilities (21)  
Other financial liabilities (30)  
Deferred tax (28)  
Total liabilities (79)  
Net assets acquired 108  
Goodwill 207  
Less: Fair value of previously held investment (83)  
Total 232  
 Businesses acquired, net of cash 208  
Software [Member]    
Disclosure of detailed information about business combination [Line Items]    
Identifiable intangible assets 137  
Other identifiable intangible assets [member]    
Disclosure of detailed information about business combination [Line Items]    
Identifiable intangible assets $ 5  
Safe Send [Member]    
Disclosure of detailed information about business combination [Line Items]    
Cash and cash equivalents   $ 14
Trade receivables   12
Other financial assets   0
Prepaid expenses and other current assets   2
Current assets   28
Property and equipment   1
Equity method investments   0
Other non-current assets   1
Total assets   293
Payables and accruals   (4)
Current taxes payable   0
Deferred revenue [1]   (16)
Current liabilities   (20)
Other financial liabilities   (1)
Deferred tax   (49)
Total liabilities   (70)
Net assets acquired   223
Goodwill   376
Less: Fair value of previously held investment   0
Total   599
 Businesses acquired, net of cash   585
Safe Send [Member] | Software [Member]    
Disclosure of detailed information about business combination [Line Items]    
Identifiable intangible assets   225
Safe Send [Member] | Other identifiable intangible assets [member]    
Disclosure of detailed information about business combination [Line Items]    
Identifiable intangible assets   $ 38
[1] Represents the fair value of deferred revenue, which is computed as the cost of providing services to customers in the post-acquisition period plus a reasonable profit margin. Under IFRS, the acquired deferred revenue is typically lower than the amount the seller recognized.