CONSOLIDATED STATEMENT OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest income:
Loans	$ 3,458	$ 2,130	$ 1,705
Securities	1,558	800	641
Trading securities	266	219	225
Short-term investments	1,687	703	81
Other	80	53	23
Total interest income	7,049	3,905	2,675
Interest expense:
Deposits	3,650	1,136	267
Short-term borrowings	514	165	18
Long-term debt	1,133	505	296
Other	47	30	11
Total interest expense	5,344	1,836	592
Net interest income	1,705	2,069	2,083
Provision for credit losses	45	154	(570)
Net interest income after provision for credit losses	1,660	1,915	2,653
Other revenues:
Trading revenue	942	517	24
Other securities gains (losses), net	(243)	26	73
Gain (loss) on instruments designated at fair value and related derivatives	(42)	(50)	35
Gain on sale of branch disposal group, net	0	113	0
Other income (loss)	(141)	(154)	(13)
Total other revenues	1,652	1,595	1,237
Operating expenses:
Salaries and employee benefits	530	591	665
Support services from HSBC affiliates	1,671	1,762	1,620
Occupancy expense, net	60	66	248
Other expenses	563	366	445
Total operating expenses	2,824	2,785	2,978
Income before income tax	488	725	912
Income tax expense	95	177	224
Net income	393	548	688
Credit card fees, net
Other revenues:
Other revenues	49	45	37
Trust and investment management fees
Other revenues:
Other revenues	134	136	108
Other fees and commissions
Other revenues:
Other revenues	626	619	652
Servicing and other fees from HSBC affiliates
Other revenues:
Other revenues	$ 327	$ 343	$ 321