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Deposits - Time Deposit Maturities (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Time Deposit Maturities    
2022 $ 3,423  
2023 4,187  
2024 2,796  
2025 882  
2026 306  
Thereafter 595  
Total $ 12,189 $ 14,827