Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $65,607.9 at 2014 and $65,033.8 at 2013)	$ 70,449.7	$ 68,317.8
Fixed maturities, at fair value using the fair value option	3,082.1	2,935.3
Equity securities, available-for-sale, at fair value (cost of $244.8 at 2014 and $267.4 at 2013)	276.6	314.4
Short-term investments	1,046.2	1,048.1
Mortgage loans on real estate, net of valuation allowance of $3.4 at 2014 and $3.8 at 2013	9,258.1	9,312.2
Policy loans	2,119.7	2,147.0
Limited partnerships/corporations	218.9	236.4
Derivatives	1,044.7	1,149.3
Other investments	124.1	124.6
Securities pledged (amortized cost of $1,230.3 at 2014 and $1,457.9 at 2013)	1,271.3	1,465.7
Total investments	88,891.4	87,050.8
Cash and cash equivalents	2,499.8	2,840.8
Short-term investments under securities loan agreements, including collateral delivered	558.6	552.9
Accrued investment income	935.6	897.1
Reinsurance recoverable	6,785.8	6,702.2
Deferred policy acquisition costs and Value of business acquired	4,860.8	5,351.6
Sales inducements to contract holders	258.6	279.0
Deferred income taxes	0	162.1
Goodwill and other intangible assets	312.5	323.7
Other assets	1,016.1	1,036.5
Limited partnerships/corporations, at fair value	3,382.4	3,218.6
Cash and cash equivalents	570.0	710.7
Corporate loans, at fair value using the fair value option	5,490.7	4,965.3
Other assets	108.4	104.8
Assets held in separate accounts	107,840.0	106,827.1
Total assets	223,510.7	221,023.2
Liabilities and Shareholder's Equity
Future policy benefits	14,532.6	14,098.4
Contract owner account balances	69,723.5	69,908.3
Payables under securities loan agreements, including collateral held	864.5	769.4
Long-term debt	3,515.0	3,514.7
Funds held under reinsurance agreements	1,174.5	1,181.5
Derivatives	1,013.5	1,351.8
Pension and other post-employment provisions	467.5	474.9
Current income taxes	3.5	44.1
Deferred income taxes	272.1	0
Other liabilities	1,243.0	1,274.1
Collateralized loan obligations notes, at fair value using the fair value option	5,525.5	5,161.6
Other liabilities	967.5	903.3
Liabilities related to separate accounts	107,840.0	106,827.1
Total liabilities	207,142.7	205,509.2
Shareholder's equity:
Common stock ($0.01 par value per share; 900,000,000 shares authorized, 262,625,547 and 261,754,931 shares issued as of 2014 and 2013, respectively; 254,734,166 and 261,675,811 shares outstanding as of 2014 and 2013, respectively)	2.6	2.6
Treasury Stock, Value	(269.8)	0
Additional paid-in capital	23,579.5	23,563.7
Accumulated other comprehensive income (loss)	2,577.5	1,849.1
Appropriated-consolidated investment entities	15.2	18.4
Unappropriated	(11,903.5)	(12,161.6)
Total Voya Financial, Inc. shareholders' equity	14,001.5	13,272.2
Noncontrolling interest	2,366.5	2,241.8
Total shareholders' equity	16,368.0	15,514.0
Total liabilities and shareholders' equity	$ 223,510.7	$ 221,023.2