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Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | $ 2,789 | $ 1,751
Equity securities at FVTNI | [1] | 2,282 | 1,950
Loans held by CIPs |  | 0 | 145
CLOs held at fair value |  | 568 | 72
Separate account assets |  | 60,098 | 52,811
Separate account collateral liabilities under securities lending agreements |  | 7,922 | 6,059
Equity Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Equity securities at FVTNI |  | 2,282 | 1,950
Investments Measured at NAV [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Other assets |  | 103 | 86
Investments Measured at NAV [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Other liabilities |  | 302 | 0
Fair Value, Measurements, Recurring [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total debt securities |  | 3,296 | 2,298
Equity securities at FVTNI |  | 2,282 | 1,950
Total equity method |  | 2,133 | 2,783
Loans held by CIPs |  | 0 | 145
CLOs held at fair value |  | 568 | 72
Federal Reserve Bank stock |  | 87 | 93
Carried interest |  | 3,710 | 1,983
Other investments |  | 1,195 | 445
Total investments |  | 13,271 | 9,769
Other assets |  | 274 | 156
Separate account assets |  | 60,098 | 52,811
Total separate account collateral held under securities lending agreements |  | 7,922 | 6,059
Total |  | 81,565 | 68,795
Separate account collateral liabilities under securities lending agreements |  | 7,922 | 6,059
Contingent consideration liabilities |  | 8,429 | 4,302
Other liabilities |  | 13 | 175
Total liabilities measured at fair value |  | 16,364 | 10,536
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total debt securities |  | 0 | 0
Equity securities at FVTNI |  | 2,146 | 1,950
Total equity method |  | 205 | 347
Loans held by CIPs |  | 0 | 0
CLOs held at fair value |  | 0 | 0
Federal Reserve Bank stock |  | 0 | 0
Carried interest |  | 0 | 0
Other investments |  | 0 | 18
Total investments |  | 2,351 | 2,315
Other assets |  | 113 | 0
Separate account assets |  | 38,688 | 32,933
Total separate account collateral held under securities lending agreements |  | 4,194 | 2,719
Total |  | 45,346 | 37,967
Separate account collateral liabilities under securities lending agreements |  | 4,194 | 2,719
Contingent consideration liabilities |  | 0 | 0
Other liabilities |  | 0 | 0
Total liabilities measured at fair value |  | 4,194 | 2,719
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total debt securities |  | 2,782 | 1,744
Equity securities at FVTNI |  | 0 | 0
Total equity method |  | 148 | 131
Loans held by CIPs |  | 0 | 10
CLOs held at fair value |  | 495 | 0
Federal Reserve Bank stock |  | 0 | 0
Carried interest |  | 0 | 0
Other investments |  | 0 | 0
Total investments |  | 3,425 | 1,885
Other assets |  | 10 | 7
Separate account assets |  | 20,895 | 19,346
Total separate account collateral held under securities lending agreements |  | 3,728 | 3,340
Total |  | 28,058 | 24,578
Separate account collateral liabilities under securities lending agreements |  | 3,728 | 3,340
Contingent consideration liabilities |  | 0 | 0
Other liabilities |  | 13 | 46
Total liabilities measured at fair value |  | 3,741 | 3,386
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total debt securities |  | 7 | 7
Equity securities at FVTNI |  | 136 | 0
Total equity method |  | 0 | 0
Loans held by CIPs |  | 0 | 135
CLOs held at fair value |  | 73 | 72
Federal Reserve Bank stock |  | 0 | 0
Carried interest |  | 0 | 0
Other investments |  | 0 | 0
Total investments |  | 216 | 214
Other assets |  | 151 | 149
Separate account assets |  | 0 | 0
Total separate account collateral held under securities lending agreements |  | 0 | 0
Total |  | 367 | 363
Separate account collateral liabilities under securities lending agreements |  | 0 | 0
Contingent consideration liabilities |  | 8,429 | 4,302
Other liabilities |  | 0 | 129
Total liabilities measured at fair value |  | 8,429 | 4,431
Fair Value, Measurements, Recurring [Member] | Debt Securities/ Fixed Income Mutual Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | 2,789 | 1,751
Held-to-maturity investments |  | 507 | 547
Fair Value, Measurements, Recurring [Member] | Debt Securities/ Fixed Income Mutual Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | 0 | 0
Held-to-maturity investments |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Debt Securities/ Fixed Income Mutual Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | 2,782 | 1,744
Held-to-maturity investments |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Debt Securities/ Fixed Income Mutual Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | 7 | 7
Held-to-maturity investments |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Hedge Funds/Funds of Hedge Funds/Other [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 446 | 552
Fair Value, Measurements, Recurring [Member] | Hedge Funds/Funds of Hedge Funds/Other [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Hedge Funds/Funds of Hedge Funds/Other [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Hedge Funds/Funds of Hedge Funds/Other [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Equity Fixed Income And Multi Asset Mutual Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 353 | 478
Fair Value, Measurements, Recurring [Member] | Equity Fixed Income And Multi Asset Mutual Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 205 | 347
Fair Value, Measurements, Recurring [Member] | Equity Fixed Income And Multi Asset Mutual Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 148 | 131
Fair Value, Measurements, Recurring [Member] | Equity Fixed Income And Multi Asset Mutual Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Private/ Public Equity [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 510 | 1,060
Fair Value, Measurements, Recurring [Member] | Private/ Public Equity [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Private/ Public Equity [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Private/ Public Equity [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Real Assets Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 524 | 520
Fair Value, Measurements, Recurring [Member] | Real Assets Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Real Assets Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Real Assets Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Related To Deferred Cash Compensation Plans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 300 | 173
Fair Value, Measurements, Recurring [Member] | Investments Related To Deferred Cash Compensation Plans [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Related To Deferred Cash Compensation Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Related To Deferred Cash Compensation Plans [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 4,194 | 2,719
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 4,194 | 2,719
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Debt securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 3,728 | 3,340
Fair Value, Measurements, Recurring [Member] | Debt securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Debt securities [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 3,728 | 3,340
Fair Value, Measurements, Recurring [Member] | Debt securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total debt securities |  | 0 | 0
Equity securities at FVTNI |  | 0 | 0
Total equity method |  | 1,780 | 2,305
Loans held by CIPs |  | 0 | 0
CLOs held at fair value |  | 0 | 0
Federal Reserve Bank stock |  | 0 | 0
Carried interest |  | 0 | 0
Other investments |  | 1,078 | 274
Total investments |  | 2,858 | 2,579
Other assets |  | 0 | 0
Separate account assets |  | 0 | 0
Total separate account collateral held under securities lending agreements |  | 0 | 0
Total |  | 2,858 | 2,579
Separate account collateral liabilities under securities lending agreements |  | 0 | 0
Contingent consideration liabilities |  | 0 | 0
Other liabilities |  | 0 | 0
Total liabilities measured at fair value |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Debt Securities/ Fixed Income Mutual Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | 0 | 0
Held-to-maturity investments |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Hedge Funds/Funds of Hedge Funds/Other [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 446 | 552
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Equity Fixed Income And Multi Asset Mutual Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Private/ Public Equity [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 510 | 1,060
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Real Assets Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 524 | 520
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Investments Related To Deferred Cash Compensation Plans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 300 | 173
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Equity Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Investments Measured at NAV [Member] | Debt securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Trading securities |  | 0 | 0
Held-to-maturity investments |  | 507 | 547
Total debt securities |  | 507 | 547
Equity securities at FVTNI |  | 0 | 0
Total equity method |  | 0 | 0
Loans held by CIPs |  | 0 | 0
CLOs held at fair value |  | 0 | 0
Federal Reserve Bank stock |  | 87 | 93
Carried interest |  | 3,710 | 1,983
Other investments |  | 117 | 153
Total investments |  | 4,421 | 2,776
Other assets |  | 0 | 0
Separate account assets |  | 515 | 532
Total separate account collateral held under securities lending agreements |  | 0 | 0
Total |  | 4,936 | 3,308
Separate account collateral liabilities under securities lending agreements |  | 0 | 0
Contingent consideration liabilities |  | 0 | 0
Other liabilities |  | 0 | 0
Total liabilities measured at fair value |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Hedge Funds/Funds of Hedge Funds/Other [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Equity Fixed Income And Multi Asset Mutual Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Private/ Public Equity [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Real Assets Funds [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Investments Related To Deferred Cash Compensation Plans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total equity method |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Equity Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | 0 | 0
Fair Value, Measurements, Recurring [Member] | Other [Member] | Debt securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total separate account collateral held under securities lending agreements |  | $ 0 | $ 0
[1] | Amounts include investments held to economically hedge the impact of market valuation changes on certain deferred cash compensation plans. Amounts related to deferred cash compensation plans included within equity securities held at FVTNI comprised $37 million and $12 million at December 31, 2025 and 2024, respectively.

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