v3.25.4
Loans - Summary of Concentration of Secured and Unsecured Loans (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 239,882 $ 200,866
Loans at fair value 4,905 5,460
Loans held for sale $ 22,066 $ 3,525
Concentration risk percentage 100 100
Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 30,676 $ 29,972
Loans at fair value $ 326 $ 467
Concentration risk percentage 100 100
Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 37,409 $ 29,789
Loans at fair value $ 420 $ 424
Concentration risk percentage 100 100
Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 31,957 $ 25,969
Loans at fair value $ 3,257 $ 3,726
Concentration risk percentage 100 100
Loan-to-value ratio 80.00% 80.00%
Residential real estate | FICO Credit Score Greater Than 740    
Financing Receivable, Recorded Investment [Line Items]    
Credit score 740 740
Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 18,079 $ 16,477
Concentration risk percentage 100 100
Loan-to-value ratio 80.00% 80.00%
Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 98,999 $ 75,107
Loans at fair value $ 855 $ 783
Concentration risk percentage 100 100
Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 19,742 $ 21,403
Concentration risk percentage 100 100
Other    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 3,020 $ 2,149
Loans at fair value $ 47 $ 60
Concentration risk percentage 100 100
Secured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 86 83
Unsecured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 14 17
Amortized Cost    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 212,911 $ 191,881
Amortized Cost | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 29,432 28,689
Amortized Cost | Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 36,261 28,899
Amortized Cost | Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 28,700 22,243
Amortized Cost | Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 18,079 16,477
Amortized Cost | Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 97,519 74,008
Amortized Cost | Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 0 19,615
Amortized Cost | Other    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 2,920 1,950
Fair Value    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 4,905 5,460
Fair Value | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 326 467
Fair Value | Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 420 424
Fair Value | Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 3,257 3,726
Fair Value | Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 0 0
Fair Value | Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 855 783
Fair Value | Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 0 0
Fair Value | Other    
Financing Receivable, Recorded Investment [Line Items]    
Loans at fair value 47 60
Held For Sale    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 22,066 3,525
Held For Sale | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 918 816
Held For Sale | Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 728 466
Held For Sale | Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 0 0
Held For Sale | Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 0 0
Held For Sale | Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 625 316
Held For Sale | Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 19,742 1,788
Held For Sale | Other    
Financing Receivable, Recorded Investment [Line Items]    
Loans held for sale 53 139
Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 150,972 115,360
Loans at fair value 595 505
Loans held for sale $ 695 $ 869
Concentration risk percentage 100 100
Investment-Grade | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 9,243 $ 8,601
Investment-Grade | Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 25,529 18,175
Investment-Grade | Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 16,190 10,227
Investment-Grade | Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 13,130 12,662
Investment-Grade | Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 84,179 63,896
Investment-Grade | Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 0 0
Investment-Grade | Other    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 2,701 $ 1,799
Investment-Grade | Secured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 94 93
Investment-Grade | Unsecured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 6 7
Investment-Grade | Amortized Cost    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 149,682 $ 113,986
Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 50,278 47,196
Loans at fair value 1,025 856
Loans held for sale $ 1,578 $ 745
Concentration risk percentage 100 100
Non-Investment- Grade | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 21,432 $ 21,370
Non-Investment- Grade | Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 11,763 11,514
Non-Investment- Grade | Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 2,262 3,375
Non-Investment- Grade | Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 343 320
Non-Investment- Grade | Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 14,231 10,442
Non-Investment- Grade | Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 0 0
Non-Investment- Grade | Other    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 247 $ 175
Non-Investment- Grade | Secured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 90 90
Non-Investment- Grade | Unsecured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 10 10
Non-Investment- Grade | Amortized Cost    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 47,675 $ 45,595
Other Metrics/Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 38,632 38,310
Loans at fair value 3,285 4,099
Loans held for sale $ 19,793 $ 1,911
Concentration risk percentage 100 100
Other Metrics/Unrated | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 1 $ 1
Other Metrics/Unrated | Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 117 100
Other Metrics/Unrated | Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 13,505 12,367
Other Metrics/Unrated | Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 4,606 3,495
Other Metrics/Unrated | Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 589 769
Other Metrics/Unrated | Credit cards    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross 19,742 21,403
Other Metrics/Unrated | Other    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 72 $ 175
Other Metrics/Unrated | Secured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 49 43
Other Metrics/Unrated | Unsecured    
Financing Receivable, Recorded Investment [Line Items]    
Concentration risk percentage 51 57
Other Metrics/Unrated | Amortized Cost    
Financing Receivable, Recorded Investment [Line Items]    
Total loans, gross $ 15,554 $ 32,300