XML 64 R56.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Borrowings - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended
Mar. 31, 2024
Feb. 29, 2024
Dec. 31, 2023
Debt Instrument [Line Items]      
Senior notes $ 3,743   $ 3,741
Description of variable rate basis SOFR SOFR  
Advances from FHLB $ 4,500   5,000
Asset-backed notes 934   474
Short-term borrowings 4,795   5,316
Long-term borrowings 11,450   8,201
FHLB Advances 2,005   $ 5
Equipment Finance Loan [Member]      
Debt Instrument [Line Items]      
Asset-backed notes $ 511    
Weighted average interest rate 5.29%    
6.082% Fixed Rate Senior Notes Due To Mature In March 2032 [Member]      
Debt Instrument [Line Items]      
Senior notes $ 850    
Senior notes maturity date Mar. 31, 2032    
Interest rate of debt instrument 6.082%    
Variable interest rate of debt instrument 2.26%    
FHLB of New York [Member]      
Debt Instrument [Line Items]      
Senior notes maturity date   Feb. 28, 2025  
Variable interest rate of debt instrument   25.00%  
Advances from FHLB   $ 2,000  
Available line of credit $ 14,600    
FRB of New York [Member]      
Debt Instrument [Line Items]      
Available line of credit $ 18,400