Related Party (Reinsurance With Affiliates PAR U) (Details)	6 Months Ended
Jun. 30, 2013
Related Party Transactions [Abstract]
PAR U Coinsurance Agreement Date	2011-07-01
PAR U Reinsurance Percentage	70.00%
Effective Date Of Reinsured Policies With PAR U	2011-01-01

Percentage of the risks associated with the universal protector policies having no lapse guarantees reinsured to PARU reinsurance company.

No definition available.

Name:	cik777917_ParuReinsurancePercentage
Namespace Prefix:	cik777917_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration