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Fair Value Measurement - Equity Securities Without Readily Determinable Fair Values (Details)
shares in Millions, $ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2022
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2013
shares
Dec. 29, 2022
Dec. 28, 2022
Fair Value Disclosures [Abstract]              
Carrying value   $ 4,096 $ 3,642        
Upward carrying value changes   488 432        
Downward carrying value changes/impairment   (826) (53)        
Cumulative upward carrying value changes   1,400          
Cumulative downward carrying value changes/impairment   (918)          
VISA | Common stock | Class B              
Investment Holdings [Line Items]              
Interest sold (in shares) | shares 3       20    
Pre-tax gain on sale $ 914 $ 914 $ 0 $ 0      
Interest owned, subject to derivative instruments (in shares) | shares   23          
Interest owned, included in other assets (in shares) | shares   37          
Conversion rate           1.5991 1.6059