Financial Statements of HSBC USA Inc. (Parent) Balance Sheet (Details) - USD ($) $ in Millions		Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Assets:
Securities available-for-sale		$ 36,910		$ 35,773
Securities held-to-maturity (fair value of $3 million and $4 million at December 31, 2016 and 2015, respectively)		12,809		14,024
Investment in subsidiaries:
Other assets		6,721		6,890
Total assets		201,301	[1]	188,278	[1]	$ 185,539
Liabilities
Interest, taxes and other liabilities		3,950		3,215
Short-term borrowings		5,101		4,995		12,795
Total liabilities	[1]	180,946		167,753
Total equity		20,355		20,525		$ 16,967
Total liabilities and equity		201,301		188,278
HSBC USA Inc [Member]
Assets:
Securities available-for-sale		0		251
Securities held-to-maturity (fair value of $3 million and $4 million at December 31, 2016 and 2015, respectively)		3		4
Receivables and balances due from subsidiaries		17,356		16,836
Receivables from other HSBC affiliates		3,863		4,733
Investment in subsidiaries:
Banking		23,626		23,828
Other		3		22
Other assets		267		189
Total assets		45,118		45,863
Liabilities
Interest, taxes and other liabilities		106		155
Payables due to subsidiaries		1		2
Payables due to other HSBC affiliates		27		15
Short-term borrowings		1,251		1,978
Long-term debt	[2]	22,542		21,358
Long-term debt due to subsidiary and other HSBC affiliates	[2]	836		1,830
Total liabilities		24,763		25,338
Total equity		20,355		20,525
Total liabilities and equity		$ 45,118		$ 45,863

[1] The following table summarizes assets and liabilities related to our consolidated variable interest entities ("VIEs") at December 31, 2016 and December 31, 2015 which are consolidated on our balance sheet. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 24, "Variable Interest Entities," for additional information. Assets: Other assets $231 million and $320 million. Total assets $231 million and $320 million respectively. Liabilities: Long-term debt $79 million and $92 million, Interest, taxes and other liabilities $60 million and $68 million. Total liabilities $139 million and $160 million, respectively.

[2] Contractual scheduled maturities for the debt over the next five years are as follows: 2017 –$3.5 billion; 2018 – $6.5 billion; 2019 – $3.5 billion; 2020 – $5.1 billion; 2021 – $1.4 billion; and thereafter – $3.4 billion.