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Deposits Deposits (Schedule of Maturities of Certificates of Deposit and Other Deposits with a Stated Maturity) (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Deposits [Abstract]  
2022 $ 1,837
2023 115
2024 20
2025 20
2026 18
Thereafter 13
Total $ 2,023