Related Party (Reinsurance With Affiliates Pruco Re Cont) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Related Party Transactions [Abstract]
Pruco Re Realized Gains Losses	$ 1,975cik881453_PrucoReRealizedGainsLosses	$ (1,260)cik881453_PrucoReRealizedGainsLosses	$ (286)cik881453_PrucoReRealizedGainsLosses

Realized Gains/Losses related to embedded derivatives associated with the Pruco Re reinsurance company.

No definition available.

Name:	cik881453_PrucoReRealizedGainsLosses
Namespace Prefix:	cik881453_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration