Commitments and Guarantees, Contingent Liabilities and Litigation and Regulatory Matters (Litigation Narrative) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended		1 Months Ended			3 Months Ended			1 Months Ended	12 Months Ended	29 Months Ended			1 Months Ended			6 Months Ended	3 Months Ended
	Apr. 30, 2012 Positive Outcome Of Litigation [Member] Residential Mortgage Backed Securities [Member] Origination Underwriting And Sales [Member]	Apr. 30, 2014 Positive Outcome Of Litigation [Member] Residential Mortgage Backed Securities [Member] Origination Underwriting And Sales [Member]	Apr. 30, 2012 Positive Outcome Of Litigation [Member] Residential Mortgage Backed Securities [Member] Origination Underwriting And Sales [Member] United States District Court [Member]	Apr. 30, 2012 Positive Outcome Of Litigation [Member] Residential Mortgage Backed Securities [Member] Origination Underwriting And Sales [Member] New Jersey State Court [Member]	Jun. 30, 2014 Positive Outcome Of Litigation [Member] Residential Mortgage Backed Securities [Member] Trusts Rights [Member]	Jun. 30, 2014 Positive Outcome Of Litigation [Member] Residential Mortgage Backed Securities [Member] Trusts Rights [Member] New York State Court [Member]	May 31, 2014 Positive Outcome Of Litigation [Member] LIBOR [Member]	Jun. 30, 2014 Litigation And Regulatory Matters [Member] Less Than [Member]	Feb. 28, 2010 Litigation And Regulatory Matters [Member] Lederman [Member]	Dec. 31, 2013 Litigation And Regulatory Matters [Member] Lederman [Member]	Mar. 31, 2005 Litigation And Regulatory Matters [Member] Lederman [Member]	Jul. 31, 2014 Litigation And Regulatory Matters [Member] Lederman [Member]	Jun. 30, 2014 Litigation And Regulatory Matters [Member] Abandoned Property [Member]	Jan. 31, 2012 Litigation And Regulatory Matters [Member] Abandoned Property [Member] Global Resolution Agreement [Member]	Feb. 29, 2012 Litigation And Regulatory Matters [Member] Abandoned Property [Member] Regulatory Settlement Agreement [Member]	May 31, 2013 Litigation And Regulatory Matters [Member] Abandoned Property [Member] Sterling Heights [Member]	Dec. 31, 2010 Litigation And Regulatory Matters [Member] Retained Asset Accounts [Member]	Sep. 30, 2008 Litigation And Regulatory Matters [Member] Overtime Pay [Member] Bouder [Member]
Litigation [Line Items]
Estimate of possible losses in excess of accruals								$ 250
Number of states accepting agreement														20	20
Number of Complaints Filed Against The Company											11						4
Insurers Requested To Provide Information To New York Dept Of Insurance													172
Number of claimants who are current and former Prudential Insurance employees											235
Claims that settled									193	40
Pending Claims										42		2
Summary Judgements Granted												1
Number of lead plaintiffs added																3
Number of additional state laws allegedly violated																		9
Number of lawsuits removed from state courts	7
Number of actions filed by the Company	10		2	8		6
Number Of Days To Amend Complaint		45
Number of other institutions filing actions along with Company					9
Number of Trusts represented in legal action filed by the Company					2,200
Number of defendants in legal action filed by the company					6		10