Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Net investment income	$ 1,163.6	$ 1,221.6	$ 3,430.1	$ 3,532.5
Fee income	908.9	920.8	2,738.0	2,722.4
Premiums	595.1	494.2	1,825.4	1,440.9
Net realized gains (losses):
Total other-than-temporary impairments	(19.5)	(5.6)	(25.4)	(26.9)
Less: Portion of other-than-temporary impairments recognized in Other comprehensive income (loss)	(0.1)	(1.2)	(0.2)	(4.3)
Net other-than-temporary impairments recognized in earnings	(19.4)	(4.4)	(25.2)	(22.6)
Other net realized capital gains (losses)	200.4	(512.7)	(350.9)	(1,935.2)
Total net realized capital gains (losses)	181.0	(517.1)	(376.1)	(1,957.8)
Other revenue	101.0	119.6	316.8	321.3
Net investment income	248.0	135.3	630.0	346.3
Changes in fair value related to collateralized loan obligations	(6.5)	60.9	(4.1)	(11.1)
Total revenues	3,191.1	2,435.3	8,560.1	6,394.5
Benefits and expenses:
Policyholder benefits	1,234.7	570.7	2,910.9	1,822.2
Interest credited to contract owner account balances	498.2	517.0	1,485.3	1,556.8
Operating expenses	767.3	762.8	2,315.1	2,292.1
Net amortization of Deferred policy acquisition costs and Value of business acquired	30.6	64.6	272.4	319.6
Interest expense	47.2	48.4	142.3	136.6
Interest expense	56.6	50.4	152.3	130.6
Other expense	1.7	1.4	5.7	6.1
Total benefits and expenses	2,636.3	2,015.3	7,284.0	6,264.0
Income (loss) before income taxes	554.8	420.0	1,276.1	130.5
Income tax expense (benefit)	37.4	(27.7)	74.2	(6.4)
Net income (loss)	517.4	447.7	1,201.9	136.9
Less: Net income (loss) attributable to noncontrolling interest	116.6	101.1	296.7	84.5
Net income (loss) available to Voya Financial, Inc.'s common shareholders	$ 400.8	$ 346.6	$ 905.2	$ 52.4
Basic	$ 1.59	$ 1.33	$ 3.54	$ 0.21
Diluted	$ 1.58	$ 1.32	$ 3.51	$ 0.21
Cash dividends declared per share of common stock	$ 0.01	$ 0.01	$ 0.03	$ 0.01