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Commitments and Contingent Liabilities (Litigation Narrative) (Details)
$ in Millions
 1 Months Ended
Dec. 31, 2017
defendant
Dec. 31, 2023
USD ($)
May 31, 2018
defendant
Maximum      
Loss Contingencies [Line Items]      
Estimate of possible losses in excess of accruals (less than) for litigation and regulatory matters | $   $ 250  
Total Asset Recovery Services, LLC v. MetLife, Inc., and Prudential | Pending Litigation      
Loss Contingencies [Line Items]      
Loss Contingency, Number of Defendants 19    
Prudential Investment Portfolio 2, o/b/o Prudential Core Short-Term Bond Fund and Prudential Core Taxable Money Market Fund v. Bank of America | Positive Outcome of Litigation | Pending Litigation      
Loss Contingencies [Line Items]      
Number of defendants in legal action filed by the company     10