v3.22.2.2
Significant acquisition - Additional Information (Detail) - Brewin Dolphin Holdings PLC [Member]
€ in Millions, $ in Millions
Oct. 31, 2022
EUR (€)
Oct. 31, 2022
CAD ($)
Sep. 27, 2022
Statement [Line Items]      
Percentage of voting equity interests acquired     100.00%
Consideration transferred, acquisition-date fair value € 1,591 $ 2,341  
Cash transferred € 1,564 2,302  
Customer relationship intangible assets   1,292  
Goodwill   913  
Purchase price allocation assign to assets   3,279  
Purchase price allocation assign to Liabilities   $ 938