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Capital (Tables) | 12 Months Ended
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Dec. 31, 2021
Capital [Abstract] |
Regulatory Capital Ratios for Company in Comparison With Minimum Amounts and Ratios Required by Federal Reserve Board of Governors | The following tables present the regulatory capital ratios for the Company at December 31, 2021 and 2020, in comparison with the minimum amounts and ratios required by the FRB for capital adequacy purposes:
|  | Risk-Based Capital |  |  |  |  |  |  |  |
At December 31, 2021 |  | Common Equity Tier 1 |  |  | Tier 1 |  |  | Total |  |  | Leverage Capital |  |
(dollars in millions) |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |
Total capital |  | $ | 4,226 |  |  |  | 9.68 |  | % | $ | 4,729 |  |  |  | 10.83 |  | % | $ | 5,558 |  |  |  | 12.73 |  | % | $ | 4,729 |  |  |  | 8.46 |  | %
Minimum for capital adequacy purposes |  |  | 1,966 |  |  |  | 4.50 |  |  |  | 2,621 |  |  |  | 6.00 |  |  |  | 3,494 |  |  |  | 8.00 |  |  |  | 2,237 |  |  |  | 4.00 |  |
Excess |  | $ | 2,260 |  |  |  | 5.18 |  | % | $ | 2,108 |  |  |  | 4.83 |  | % | $ | 2,064 |  |  |  | 4.73 |  | % | $ | 2,492 |  |  |  | 4.46 |  | %
|  | Risk-Based Capital |  |  |  |  |  |  |  |
At December 31, 2020 |  | Common Equity Tier 1 |  |  | Tier 1 |  |  | Total |  |  | Leverage Capital |  |
(dollars in millions) |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |
Total capital |  | $ | 3,962 |  |  |  | 9.72 |  | % | $ | 4,465 |  |  |  | 10.95 |  | % | $ | 5,290 |  |  |  | 12.97 |  | % | $ | 4,465 |  |  |  | 8.52 |  | %
Minimum for capital adequacy purposes |  |  | 1,834 |  |  |  | 4.50 |  |  |  | 2,446 |  |  |  | 6.00 |  |  |  | 3,262 |  |  |  | 8.00 |  |  |  | 2,096 |  |  |  | 4.00 |  |
Excess |  | $ | 2,128 |  |  |  | 5.22 |  | % | $ | 2,019 |  |  |  | 4.95 |  | % | $ | 2,028 |  |  |  | 4.97 |  | % | $ | 2,369 |  |  |  | 4.52 |  | %
Actual Capital Amounts and Ratios for Community Bank in Comparison to Minimum Amounts and Ratios Required | The following tables present the actual capital amounts and ratios for the Bank at December 31, 2021 and 2020 in comparison to the minimum amounts and ratios required for capital adequacy purposes.
|  | Risk-Based Capital |  |  |  |  |  |  |  |
At December 31, 2021 |  | Common Equity Tier 1 |  |  | Tier 1 |  |  | Total |  |  | Leverage Capital |  |
(dollars in millions) |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |
Total capital |  | $ | 5,217 |  |  |  | 11.95 |  | % | $ | 5,217 |  |  |  | 11.95 |  | % | $ | 5,402 |  |  |  | 12.38 |  | % | $ | 5,217 |  |  |  | 9.33 |  | %
Minimum for capital adequacy purposes |  |  | 1,964 |  |  |  | 4.50 |  |  |  | 2,619 |  |  |  | 6.00 |  |  |  | 3,491 |  |  |  | 8.00 |  |  |  | 2,236 |  |  |  | 4.00 |  |
Excess |  | $ | 3,253 |  |  |  | 7.45 |  | % | $ | 2,598 |  |  |  | 5.95 |  | % | $ | 1,911 |  |  |  | 4.38 |  | % | $ | 2,981 |  |  |  | 5.33 |  | %
|  | Risk-Based Capital |  |  |  |  |  |  |  |
At December 31, 2020 |  | Common Equity Tier 1 |  |  | Tier 1 |  |  | Total |  |  | Leverage Capital |  |
(dollars in millions) |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |
Total capital |  | $ | 4,964 |  |  |  | 12.18 |  | % | $ | 4,964 |  |  |  | 12.18 |  | % | $ | 5,145 |  |  |  | 12.62 |  | % | $ | 4,964 |  |  |  | 9.48 |  | %
Minimum for capital adequacy purposes |  |  | 1,834 |  |  |  | 4.50 |  |  |  | 2,445 |  |  |  | 6.00 |  |  |  | 3,260 |  |  |  | 8.00 |  |  |  | 2,095 |  |  |  | 4.00 |  |
Excess |  | $ | 3,130 |  |  |  | 7.68 |  | % | $ | 2,519 |  |  |  | 6.18 |  | % | $ | 1,885 |  |  |  | 4.62 |  | % | $ | 2,869 |  |  |  | 5.48 |  | %

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