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Regulatory Capital (Tables) | 3 Months Ended
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Mar. 31, 2023
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements | The following table includes the Basel III requirements for regulatory capital ratios.
| Basel III Minimums |  | Basel III Conservation Buffers |  | Basel III Requirements
Regulatory capital ratios |  |  |  |  |
Total risk-based capital | 8.00 | % |  | 2.50 | % |  | 10.50 | %
Tier 1 risk-based capital | 6.00 |  |  | 2.50 |  |  | 8.50 |
Common equity Tier 1 | 4.50 |  |  | 2.50 |  |  | 7.00 |
Tier 1 leverage | 4.00 |  |  | — |  |  | 4.00 |
The regulatory capital ratios for BancShares and FCB exceed the Basel III requirements and the PCA well-capitalized thresholds as of March 31, 2023 and December 31, 2022 as summarized in the following table.
dollars in millions |  |  |  |  | March 31, 2023 |  | December 31, 2022
| Basel III Requirements |  | PCA well-capitalized thresholds |  | Amount |  | Ratio |  | Amount |  | Ratio
BancShares |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital | 10.50 | % |  | 10.00 | % |  | $ | 21,764 |  |  | 14.86 | % |  | $ | 11,799 |  |  | 13.18 | %
Tier 1 risk-based capital | 8.50 |  |  | 8.00 |  |  | 19,225 |  |  | 13.13 |  |  | 9,902 |  |  | 11.06 |
Common equity Tier 1 | 7.00 |  |  | 6.50 |  |  | 18,344 |  |  | 12.53 |  |  | 9,021 |  |  | 10.08 |
Tier 1 leverage | 4.00 |  |  | 5.00 |  |  | 19,225 |  |  | 16.72 |  |  | 9,902 |  |  | 8.99 |
FCB |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital | 10.50 | % |  | 10.00 | % |  | $ | 21,578 |  |  | 14.74 | % |  | $ | 11,627 |  |  | 12.99 | %
Tier 1 risk-based capital | 8.50 |  |  | 8.00 |  |  | 19,495 |  |  | 13.32 |  |  | 10,186 |  |  | 11.38 |
Common equity Tier 1 | 7.00 |  |  | 6.50 |  |  | 19,495 |  |  | 13.32 |  |  | 10,186 |  |  | 11.38 |
Tier 1 leverage | 4.00 |  |  | 5.00 |  |  | 19,495 |  |  | 16.97 |  |  | 10,186 |  |  | 9.25 |

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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