Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $36,974 as of 2020 and $35,836 as of 2019; allowance for credit losses of $16 as of 2020)	$ 42,330.0	$ 39,663.0
Fixed maturities, at fair value using the fair value option	3,014.0	2,707.0
Equity securities, at fair value (cost of $329 as of 2020 and $196 as of 2019)	371.0	196.0
Short-term investments	70.0	68.0
Mortgage loans on real estate, net of valuation allowance of $1 as of 2019	6,817.0	6,878.0
Less: Allowance for credit losses	55.0	0.0
Mortgage loans on real estate, net	6,762.0	6,878.0
Policy loans	735.0	776.0
Limited partnerships/corporations	1,383.0	1,290.0
Derivatives	270.0	316.0
Other investments	319.0	385.0
Total investments	56,081.0	53,687.0
Cash and cash equivalents	1,052.0	1,181.0
Short-term investments under securities loan agreements, including collateral delivered	664.0	1,395.0
Accrued investment income	545.0	505.0
Premium receivable and reinsurance recoverable	3,676.0	3,732.0
Less: Allowance for credit losses on reinsurance recoverable	19.0	0.0
Premium receivable and reinsurance recoverable	3,657.0	3,732.0
Deferred policy acquisition costs and Value of business acquired	1,669.0	2,226.0
Deferred income taxes	1,314.0	1,458.0
Other assets	812.0	902.0
Assets related to consolidated investment entities:
Assets held in separate accounts	82,879.0	81,670.0
Assets held for sale	20,180.0	20,069.0
Total assets	171,466.0	169,051.0
Liabilities and Shareholders' Equity:
Future policy benefits	10,295.0	9,945.0
Contract owner account balances	42,187.0	40,923.0
Payables under securities loan and repurchase agreements, including collateral held	575.0	1,373.0
Short-term debt	1.0	1.0
Long-term debt	3,043.0	3,042.0
Derivatives	434.0	403.0
Pension and other postretirement provisions	375.0	468.0
Current income taxes	9.0	27.0
Other liabilities	1,419.0	1,345.0
Liabilities related to consolidated investment entities:
Collateralized loan obligations notes, at fair value using the fair value option	538.0	474.0
Other liabilities	834.0	652.0
Liabilities related to separate accounts	82,879.0	81,670.0
Liabilities held for sale	18,232.0	18,498.0
Total liabilities	160,821.0	158,821.0
Commitments and Contingencies (Note 13)
Shareholders' equity:
Preferred stock ($0.01 par value per share; $625 aggregate liquidation preference as of 2020 and 2019)	0.0	0.0
Common stock ($0.01 par value per share; 900,000,000 shares authorized; 143,150,588 and 140,726,677 shares issued as of 2020 and 2019, respectively; 126,239,226 and 132,325,790 shares outstanding as of 2020 and 2019, respectively)	2.0	2.0
Treasury stock (at cost; 16,911,362 and 8,400,887 shares as of 2020 and 2019, respectively)	(889.0)	(460.0)
Additional paid-in capital	11,213.0	11,184.0
Accumulated other comprehensive income (loss)	4,483.0	3,331.0
Retained earnings (deficit):
Unappropriated	(5,152.0)	(4,649.0)
Total Voya Financial, Inc. shareholders' equity	9,657.0	9,408.0
Noncontrolling interest	988.0	822.0
Total shareholders' equity	10,645.0	10,230.0
Total liabilities and shareholders' equity	171,466.0	169,051.0
Limited partnerships/corporations, at fair value
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	1,600.0	1,632.0
Cash and cash equivalents
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	84.0	68.0
Corporate loans, at fair value using the fair value option
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	921.0	513.0
Other assets
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	8.0	13.0
Collateral Pledged
Investments:
Securities pledged (amortized cost of $677 as of 2020 and $1,264 as of 2019)	$ 827.0	$ 1,408.0