Capital Contributions and Dividends (Details) (USD $)	0 Months Ended	12 Months Ended			0 Months Ended				12 Months Ended
	Dec. 09, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 16, 2013 ING Financial Advisers, LLC	Oct. 15, 2012 ING Financial Advisers, LLC	Dec. 22, 2011 ING Financial Advisers, LLC	Dec. 21, 2012 Directed Services, LLC	Dec. 31, 2013 Lion Connecticut Holdings Inc.	Dec. 31, 2012 Lion Connecticut Holdings Inc.	Dec. 31, 2011 Lion Connecticut Holdings Inc.
Dividends Payable [Line Items]
Percentage threshold of dividends paid in previous twelve months to earned statutory surplus of prior year end, requiring approval of payment of dividends if exceeded		10.00%
Extraordinary dividend paid to parent		$ 264,000,000	$ 340,000,000	$ 0					$ 174,000,000	$ 340,000,000	$ 0
Cash dividends paid to parent company	90,000,000				60,000,000	90,000,000	65,000,000	15,000,000
Capital contribution from parent		0	0	201,000,000
Statutory net income (loss)		175,200,000	261,600,000	194,400,000
Statutory capital and surplus		$ 2,000,000,000	$ 1,900,000,000