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Deposits - Weighted Average Interest Rates for Each Type of Deposit (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deposits: |  |
Interest-bearing checking and money market accounts | $ 13,209 | $ 12,610
Savings accounts | 8,892 | 6,416
Certificates of deposit | 8,424 | 10,331
Non-interest-bearing accounts | 4,534 | 3,080
Total deposits | $ 35,059 | $ 32,437
Percent of Total |  |
Interest-bearing checking and money market accounts | 37.68% | 38.87%
Savings accounts | 25.36% | 19.78%
Certificates of deposit | 24.03% | 31.85%
Non-interest-bearing accounts | 12.93% | 9.50%
Total deposits | 100.00% | 100.00%
Weighted Average Interest Rate |  |
Interest-bearing checking and money market accounts, weighted average interest rate | 0.20% | 0.28%
Savings accounts, weighted average interest rate | 0.35% | 0.41%
Certificates of deposit, weighted average interest rate | 0.52% | 0.83%
Total deposits, weighted average interest rate | 0.29% | 0.45%

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