Regulatory Capital (Tables)

9 Months Ended

Sep. 30, 2020

Banking and Thrift, Other Disclosures [Abstract]

Schedule of compliance with regulatory capital requirements under banking regulations

	Actual				U.S. Basel III Minimum Requirements Plus Buffer(1)(2)
	Amount		Ratio		Amount			Ratio
As of September 30, 2020:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	3,230,078	12.7	%	$	1,785,181	>	7.0	%
Tier 1 Capital (to Risk-Weighted Assets)	$	3,230,078	12.7	%	$	2,167,720	>	8.5	%
Total Capital (to Risk-Weighted Assets)	$	3,551,765	13.9	%	$	2,677,771	>	10.5	%
Tier 1 Capital (to Average Assets)	$	3,230,078	10.2	%	$	1,261,080	>	4.0	%
As of December 31, 2019:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	3,264,309	12.2	%	$	1,876,050	>	7.0	%
Tier 1 Capital (to Risk-Weighted Assets)	$	3,264,309	12.2	%	$	2,278,060	>	8.5	%
Total Capital (to Risk-Weighted Assets)	$	3,600,668	13.4	%	$	2,814,074	>	10.5	%
Tier 1 Capital (to Average Assets)	$	3,264,309	10.2	%	$	1,282,642	>	4.0	%

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⁽¹⁾     Reflects the U.S. Basel III minimum required ratio plus the applicable capital conservation buffer.

⁽²⁾    The Bank’s regulatory capital ratios also exceeded all applicable standards for the Bank to qualify as “well capitalized” under the prompt corrective action framework.