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REGULATORY MATTERS (Tables) | 12 Months Ended
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Dec. 31, 2020
Mortgage Banking [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | The following table presents the Company’s capital and capital ratios under U.S. Basel III Standardized rules. The Company has declared itself as an “AOCI opt-out” institution, which means the Company is not required to recognize in regulatory capital the impacts of net unrealized gains and losses included within AOCI for debt securities that are available for sale or held to maturity, accumulated net gains and losses on cash flow hedges and certain defined benefit pension plan assets. The Company has also elected to delay the estimated impact of CECL on regulatory capital for a two-year period ending January 1, 2022, followed by a three-year transition period ending January 1, 2025 to phase-in the aggregate amount of the capital benefit provided during the initial two-year delay.
| Actual |  | Minimum Capital Adequacy
(in millions, except ratio data) | Amount | Ratio |  | Amount | Ratio(1)
As of December 31, 2020 |  |  |  |  |
CET1 capital | $14,607 |  | 10.0 |  |  | $11,596 |  | 7.9 | %
Tier 1 capital | 16,572 |  | 11.3 |  |  | 13,797 |  | 9.4 |
Total capital | 19,602 |  | 13.4 |  |  | 16,733 |  | 11.4 |
Tier 1 leverage | 16,572 |  | 9.4 |  |  | 7,015 |  | 4.0 |
As of December 31, 2019 |  |  |  |  |
CET1 capital | $14,304 |  | 10.0 | % |  | $10,004 |  | 7.0 | %
Tier 1 capital | 15,874 |  | 11.1 |  |  | 12,148 |  | 8.5 |
Total capital | 18,542 |  | 13.0 |  |  | 15,006 |  | 10.5 |
Tier 1 leverage | 15,874 |  | 10.0 |  |  | 6,351 |  | 4.0 |
(1) “Minimum Capital ratio” includes stress capital buffer of 3.4% for 2020 and capital conservation buffer of 2.5% for 2019; N/A to Tier 1 leverage.

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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 http://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 http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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