Related Party (Reinsurance With Affiliates Pruco Re) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Ceded Rider Fees [Line Items]
Total Fees Ceded to Pruco Reinsurance	$ 70	$ 67	$ 206	$ 199