Related Party (Debt Agreements) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Related Party Transactions [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000,000,000		$ 2,000,000,000
Short-term Debt with Pru Funding	15,000,000		15,000,000		5,000,000
Interest Expense, Short-term Borrowings	3,000	900	21,000	84,000
Prudential Financial Debt, Interest Rate			4.49%
Prudential Financial Debt, Repayment Amount	200,000,000		200,000,000		200,000,000
Long-term debt interest expense	$ 2,000,000	$ 5,000,000	$ 4,000,000	$ 9,000,000