Related Party Transactions (Affiliated Asset Administration Fee Income) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Related Party Transactions [Abstract]
AST Revenue Sharing Income	$ 173	$ 221	$ 227

Income associated with the Pruco-AST revenue sharing agreement.

No definition available.

Name:	cik881453_AstRevenueSharingIncome
Namespace Prefix:	cik881453_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration