v3.8.0.1

Commitments and Guarantees, Contingent Liabilities and Litigation and Regulatory Matters (Litigation Narrative) (Details) $ in Millions | 1 Months Ended | 31 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) defendant | Feb. 28, 2017 plaintiff | Jun. 30, 2014 case plaintiff | Feb. 29, 2012 state_and_jurisdiction | Jan. 31, 2012 state_and_jurisdiction | Mar. 31, 2008 state | Dec. 31, 2016 USD ($) | Jan. 31, 2018 plaintiff | Feb. 28, 2015 plaintiff | Jul. 31, 2014 defendant | May 31, 2014 defendant
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Estimate of possible losses in excess of accruals (less than) for litigation and regulatory matters | $ | $ 250 |  |  |  |  |  |  |  |  |  |
Unclaimed property against the Social Security Master Death File |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of states accepting agreement | state_and_jurisdiction |  |  |  | 20 | 20 |  |  |  |  |  |
Wells Fargo MyTerm Sales |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Annualized new premiums sales | $ |  |  |  |  |  |  | $ 4 |  |  |  |
Bouder v. Prudential Financial, Inc. And Prudential Insurance Company Of America |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Alleged Violations Of Overtime And Wage Payment Laws, Number Of States | state |  |  |  |  |  | 9 |  |  |  |  |
Residential mortgage-backed securities | Positive Outcome of Litigation |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of other institutions filing actions along with Company |  |  | 9 |  |  |  |  |  |  |  |
Number of actions filed by the Company in New York state court | case |  |  | 6 |  |  |  |  |  |  |  |
Number of Trusts represented in legal action filed by the Company (more than) |  |  | 2,200 |  |  |  |  |  |  |  |
Number of defendants in legal action filed by the company | defendant |  |  |  |  |  |  |  |  |  | 6 |
Residential mortgage-backed securities | PICA et al. v. Deutsche Bank, et al. |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, New Claims Filed, Number |  | 62 |  |  |  |  |  |  |  |  |
Loss Contingency, Pending Claims, Number |  | 41 |  |  |  |  |  |  |  |  |
Loss Contingency, Claims Dismissed, Number |  | 21 |  |  |  |  |  |  |  |  |
Residential mortgage-backed securities | PICA et al. v. U.S. Bank N.A. |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of Trusts represented in legal action filed by the Company (more than) |  |  |  |  |  |  |  |  | 770 |  |
London Interbank Offered Rate (LIBOR) | Positive Outcome of Litigation |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of defendants in legal action filed by the company | defendant |  |  |  |  |  |  |  |  |  |  | 10
Subsequent Event | Residential mortgage-backed securities | PICA et al. v. U.S. Bank N.A. |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of Trusts represented in legal action filed by the Company (more than) |  |  |  |  |  |  |  | 77 |  |  |
Pending Litigation |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Number of Defendants | defendant | 19 |  |  |  |  |  |  |  |  |  |

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