Related Party Transactions (Affiliated Asset Transfers) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Prudential Insurance, March 2014, Purchase
Asset Transfer [Line Items]
Fair Value	$ 13
Book Value	13
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	0
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	0
Prudential Financial, September 2014, Transfer In
Asset Transfer [Line Items]
Fair Value	81
Book Value	77
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	3
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	0
Prudential Financial, September 2014, Transfer Out
Asset Transfer [Line Items]
Fair Value	142
Book Value	136
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	(4)
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	0
PURC, September 2014, Transfer Out
Asset Transfer [Line Items]
Fair Value	178
Book Value	172
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	0
Realized Investment Gain/ (Loss)	6
Derivative Gain/ (Loss)	(8)
PALAC, October 2014, Purchase
Asset Transfer [Line Items]
Fair Value	10
Book Value	9
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	0
Realized Investment Gain/ (Loss)	(1)
Derivative Gain/ (Loss)	0
Prudential Insurance, December 2014, Purchase
Asset Transfer [Line Items]
Fair Value	122
Book Value	102
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	(13)
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	0
PURC, December 2014, Purchase
Asset Transfer [Line Items]
Fair Value	3
Book Value	3
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	0
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	0
Prudential Insurance, March 2015, Purchase
Asset Transfer [Line Items]
Fair Value	92
Book Value	74
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	(12)
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	0
Prudential Insurance, June 2015, Purchase
Asset Transfer [Line Items]
Fair Value	11
Book Value	10
Additional Paid-in Capital, Net of Tax Increase/ (Decrease)	(1)
Realized Investment Gain/ (Loss)	0
Derivative Gain/ (Loss)	$ 0