Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Schedule of Goodwill (Details)

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Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Goodwill [Line Items]    
Total goodwill $ 69,021 $ 69,021
Operating Segments | Consumer Banking    
Goodwill [Line Items]    
Total goodwill 30,137 30,137
Operating Segments | Global Wealth & Investment Management    
Goodwill [Line Items]    
Total goodwill 9,677 9,677
Operating Segments | Global Banking    
Goodwill [Line Items]    
Total goodwill 24,026 24,026
Operating Segments | Global Markets    
Goodwill [Line Items]    
Total goodwill $ 5,181 $ 5,181