v3.26.1
Loans and Allowance for Credit Losses - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
loan_segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]          
Number of loans and leases segments | loan_segment     2    
Loans pledged as collateral $ 51,901,000,000   $ 51,901,000,000   $ 46,589,000,000
Nonaccrual loan value 293,000,000   293,000,000   258,000,000
Allowance for credit losses on loans $ 161,000,000   $ 161,000,000   193,000,000
Investment grade loans 95.00%   95.00%    
Speculative grade loans 5.00%   5.00%    
Speculative senior secured loans with BB or B rating 81.00%   81.00%    
Provision for credit losses $ 0 $ 30,000,000 $ 16,000,000 $ 42,000,000  
Collateralized loan obligations          
Financing Receivable, Credit Quality Indicator [Line Items]          
Purchase of collateralized loan obligations 1,140,000,000        
Broadly syndicated          
Financing Receivable, Credit Quality Indicator [Line Items]          
Purchase of collateralized loan obligations 940,000,000        
Middle market          
Financing Receivable, Credit Quality Indicator [Line Items]          
Purchase of collateralized loan obligations 200,000,000        
Commercial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Financing receivable for sale 496,000,000        
Charge-offs 4,000,000        
Commercial and Financial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Allowance for credit losses on loans 111,000,000   111,000,000    
Commercial Real Estate          
Financing Receivable, Credit Quality Indicator [Line Items]          
Loans no longer meeting similar risk of collective pool 293,000,000   293,000,000    
More than 90 days contractually past due          
Financing Receivable, Credit Quality Indicator [Line Items]          
Nonaccrual loan value 0   0   0
Asset pledged as collateral          
Financing Receivable, Credit Quality Indicator [Line Items]          
Loans pledged as collateral $ 15,740,000,000   $ 15,740,000,000   $ 15,110,000,000