Quarterly report pursuant to Section 13 or 15(d)

Securities - Narrative (Details)

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Securities - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Other assets    
Investments, Debt And Equity Securities [Line Items]    
Equity securities, fair value $ 574 $ 581
Equity securities, cost 354 340
Time Deposits Placed and Other Short-term Investments    
Investments, Debt And Equity Securities [Line Items]    
Time deposits placed and other short-term investments 921 868
AFS securities    
Investments, Debt And Equity Securities [Line Items]    
Accumulated net unrealized loss on AFS debt securities (2,900)  
Accumulated other comprehensive income benefit (985)  
U.S. Agency And U.S. Treasury Securities    
Investments, Debt And Equity Securities [Line Items]    
AFS and HTM debt securities 759,700 826,500
All Non U.S. Agency And Non U.S. Treasury Securities    
Investments, Debt And Equity Securities [Line Items]    
AFS and HTM debt securities $ 31,200 $ 31,800