Financial Statements of HSBC USA Inc. (Parent) Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investment in subsidiaries:
Other assets	$ 6,261	$ 6,053
Total assets	172,410	170,731	$ 168,238
Liabilities:
Interest, taxes and other liabilities	3,204	2,916
Total liabilities	159,971	158,242
Total equity	12,439	12,489	$ 11,639
Total liabilities and equity	172,410	170,731
HSBC USA
Assets:
Receivables and balances due from subsidiaries	14,124	14,782
Receivables and balances due from other HSBC affiliates	6,072	5,055
Investment in subsidiaries:
Banking	16,256	15,789
Other	250	250
Other assets	238	244
Total assets	36,940	36,120
Liabilities:
Interest, taxes and other liabilities	60	94
Payables due to subsidiaries	16	4
Payables due to other HSBC affiliates	91	57
Short-term borrowings	4,058	5,660
Long-term debt	10,139	9,428
Long-term debt due to other HSBC affiliates	10,137	8,388
Total liabilities	24,501	23,631
Total equity	12,439	12,489
Total liabilities and equity	$ 36,940	$ 36,120