Short-Term and Long-Term Debt (Long-Term Debt) (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Debt Instrument [Line Items]
Long-term debt	$ 19,831	[1]	$ 23,553	[1]
FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYears			280
Parent Company [Member]
Debt Instrument [Line Items]
Long-term debt	16,061		16,346
FixedRateForeignCurrencyMortgageDebt [Member]
Debt Instrument [Line Items]
Long-term debt	71		34
FloatingRateForeignCurrencyMortgageDebt [Member]
Debt Instrument [Line Items]
Long-term debt	142		39
Floating Rate USD Mortgage Debt [Member]
Debt Instrument [Line Items]
Long-term debt			$ 123

[1] Includes Prudential Financial debt of $16,061 million and $16,346 million at December 31, 2014 and 2013, respectively.