Retained Earnings and Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2013

Retained Earnings and Regulatory Capital Requirements [Abstract]

Capital Amounts and Ratios in Accordance With Current Banking Regulations

Capital amounts and ratios of HSBC USA Inc. and HSBC Bank USA, calculated in accordance with current banking regulations, are summarized in the following table.



	March 31, 2013							December 31, 2012
	Capital Amount		Well-Capitalized Minimum Ratio⁽¹⁾			Actual Ratio		Capital Amount		Well-Capitalized Minimum Ratio⁽¹⁾			Actual Ratio
	(dollars are in millions)
Total capital ratio:
HSBC USA Inc.	$	20,929	10.00	%		18.11	%	$	20,764	10.00	%		19.52	%
HSBC Bank USA	21,696		10.00			19.54		21,464		10.00			21.07
Tier 1 capital ratio:
HSBC USA Inc.	14,717		6.00			12.74		14,480		6.00			13.61
HSBC Bank USA	16,326		6.00			14.70		15,482		6.00			15.20
Tier 1 common ratio:
HSBC USA Inc.	12,610		5.00		⁽²⁾	10.91		12,373		5.00		⁽²⁾	11.63
HSBC Bank USA	16,326		5.00			14.70		15,482		5.00			15.20
Tier 1 leverage ratio:
HSBC USA Inc.	14,717		3.00		⁽³⁾	8.00		14,480		3.00		⁽³⁾	7.70
HSBC Bank USA	16,326		5.00			9.26		15,482		5.00			8.43
Risk weighted assets:
HSBC USA Inc.	115,552							106,395
HSBC Bank USA	111,059							101,865


⁽¹⁾	HSBC USA Inc and HSBC Bank USA are categorized as “well-capitalized,” as defined by their principal regulators. To be categorized as well-capitalized under regulatory guidelines, a banking institution must have the minimum ratios reflected in the above table, and must not be subject to a directive, order, or written agreement to meet and maintain specific capital levels.


⁽²⁾	There is no Tier 1 common ratio component in the definition of a well-capitalized bank holding company. The ratio shown is the required minimum Tier 1 common ratio as included in the Federal Reserve Board's final rule regarding capital plans for U.S. bank holding companies with total consolidated assets of $50 billion or more.


⁽³⁾	There is no Tier 1 leverage ratio component in the definition of a well-capitalized bank holding company. The ratio shown is the minimum required ratio.

- 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.

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