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Business and Basis of Presentation (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Business and Basis of Presentation [Abstract]  
Hartford Cash Consideration $ 615,000,000cik777917_HartfordCashConsideration
Hartford Amount In Force 141,000,000,000cik777917_HartfordAmountInForce
Guaranteed Universal Life Account Values 4,000,000,000cik777917_GuaranteedUniversalLifeAccountValues
GUL Amount In Force $ 30,000,000,000cik777917_GulAmountInForce