v3.25.1
Related Party Transactions - Narrative (Details)
Mar. 31, 2025
USD ($)
borrowing
Dec. 31, 2024
USD ($)
Related Party Transaction [Line Items]    
Long-term debt [1] $ 20,668,000,000 $ 20,717,000,000
Loans receivable from related parties [1] 63,414,000,000 62,753,000,000
Notional value of derivative contracts 1,305,154,000,000 1,307,707,000,000
Preferred stock issued 265,000,000 265,000,000
HNAH    
Related Party Transaction [Line Items]    
Long-term debt 9,900,000,000 8,400,000,000
Maximum borrowing capacity 4,000,000,000.0  
Amount outstanding under the loan agreement 0 0
Preferred stock issued 265,000,000 265,000,000
Preferred stock outstanding 265,000,000 265,000,000
HNAH | Loans And Lines Of Credit    
Related Party Transaction [Line Items]    
Loans receivable from related parties 3,000,000,000 3,000,000,000
HNAH | Loans And Lines Of Credit Maturing In The Second Quarter Of 2025    
Related Party Transaction [Line Items]    
Loans receivable from related parties 1,400,000,000  
HNAH | Loans And Lines Of Credit Maturing Third Quarter 2025    
Related Party Transaction [Line Items]    
Loans receivable from related parties 1,600,000,000  
HMUS | Loans And Lines Of Credit    
Related Party Transaction [Line Items]    
Extended loans and lines of credit 14,300,000,000 14,300,000,000
Loans receivable from related parties 2,040,000,000 2,013,000,000
Other HSBC affiliates | Loans And Lines Of Credit    
Related Party Transaction [Line Items]    
Extended loans and lines of credit 3,500,000,000  
Loans receivable from related parties 0 0
Other HSBC affiliates | Short Term Lending    
Related Party Transaction [Line Items]    
Loans receivable from related parties 217,000,000 436,000,000
Related Party    
Related Party Transaction [Line Items]    
Long-term debt 9,888,000,000 8,388,000,000
Loans receivable from related parties 5,257,000,000 5,449,000,000
Notional value of derivative contracts 725,500,000,000 735,500,000,000
Fair value of derivative assets and liabilities 27,000,000 $ 126,000,000
Fixed Rate Note Maturing June 2025 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt 2,000,000,000.0  
Fixed Rate Note Maturing September 2025 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt 2,000,000,000.0  
Fixed Rate Note Maturing December 2027 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt 500,000,000  
Fixed Rate Note Maturing December 2028 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt 500,000,000  
Fixed Rate Note Maturing June 2030 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt 1,500,000,000  
Fixed Rate Note Maturing September 2029 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt 300,000,000  
Fixed Rate Note Maturing November 2025 to November 2031 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt $ 1,600,000,000  
Number of equal borrowings | borrowing 7  
Fixed Rate Note Maturing March 2028 | HNAH | Senior debt:    
Related Party Transaction [Line Items]    
Long-term debt $ 1,500,000,000  
[1] The following table summarizes assets and liabilities related to our consolidated variable interest entities ("VIEs") at March 31, 2025 and December 31, 2024. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 15, "Variable Interest Entities," for additional information.
March 31, 2025December 31, 2024
(in millions)
Assets
Other assets$9 $11 
Total assets$9 $11 
Liabilities
Interest, taxes and other liabilities$16 $
Total liabilities$16 $