v3.26.3
Accounting Policies - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Variable Interest Entity [Line Items]          
Assets of managed investment entities $ 4,556   $ 4,556   $ 4,050
Liabilities of managed investment entities 4,401   4,401   3,907
Operating lease liability $ 200   $ 200   $ 216
Operating lease liability, current, Statement of Financial Position Other liabilities - derivatives   Other liabilities - derivatives   Other liabilities - derivatives
Operating lease right-of-use asset $ 174   $ 174   $ 198
Operating lease, right-of-use asset, Statement of Financial Position Other Assets   Other Assets   Other Assets
Weighted average common shares adjustment related to stock-based compensation (shares) 0 0 0    
Anti-dilutive potential common shares related to stock-based compensation plans (shares) 0 0 0 0  
Maturities of short term investments     3 months    
Maximum          
Variable Interest Entity [Line Items]          
Weighted average common shares adjustment related to stock-based compensation (shares)       100,000  
New collateralized loan obligation, temporary warehousing entities          
Variable Interest Entity [Line Items]          
Assets of managed investment entities $ 36   $ 36    
Liabilities of managed investment entities $ 31   $ 31