Quarterly report [Sections 13 or 15(d)]

Securities - Narrative (Details)

v3.25.1
Securities - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Investments, Debt And Equity Securities [Line Items]    
Equity securities, fair value $ 247 $ 247
Equity securities, cost 453 438
Recurring    
Investments, Debt And Equity Securities [Line Items]    
Time deposits placed and other short-term investments 1,473 1,318
Available-for-sale debt securities    
Investments, Debt And Equity Securities [Line Items]    
Accumulated net unrealized loss on AFS debt securities (2,200)  
Accumulated other comprehensive income benefit 748  
U.S. Agency And U.S. Treasury Securities    
Investments, Debt And Equity Securities [Line Items]    
AFS and HTM debt securities 892,700 871,100
All Non U.S. Agency And Non U.S. Treasury Securities    
Investments, Debt And Equity Securities [Line Items]    
AFS and HTM debt securities $ 37,300 $ 37,500