Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $36,209 as of 2020 and $35,836 as of 2019; allowance for credit losses of $17 as of 2020)	$ 40,938.0	$ 39,663.0
Fixed maturities, at fair value using the fair value option	3,098.0	2,707.0
Equity securities, at fair value (cost of $183 as of 2020 and $196 as of 2019)	225.0	196.0
Short-term investments	73.0	68.0
Mortgage loans on real estate, net of valuation allowance of $1 as of 2019	6,904.0	6,878.0
Less: Allowance for credit losses	74.0	0.0
Mortgage loans on real estate, net	6,830.0	6,878.0
Policy loans	746.0	776.0
Limited partnerships/corporations	1,376.0	1,290.0
Derivatives	809.0	316.0
Other investments	319.0	385.0
Total investments	55,536.0	53,687.0
Cash and cash equivalents	1,110.0	1,181.0
Short-term investments under securities loan agreements, including collateral delivered	1,659.0	1,395.0
Accrued investment income	507.0	505.0
Premium receivable and reinsurance recoverable	3,791.0	3,732.0
Less: Allowance for credit losses on reinsurance recoverable	24.0	0.0
Premium receivable and reinsurance recoverable	3,767.0	3,732.0
Deferred policy acquisition costs and Value of business acquired	1,967.0	2,226.0
Deferred income taxes	1,326.0	1,458.0
Other assets	836.0	902.0
Assets related to consolidated investment entities:
Assets held in separate accounts	78,521.0	81,670.0
Assets held for sale	19,923.0	20,069.0
Total assets	166,934.0	169,051.0
Liabilities and Shareholders' Equity:
Future policy benefits	9,984.0	9,945.0
Contract owner account balances	41,674.0	40,923.0
Payables under securities loan and repurchase agreements, including collateral held	1,608.0	1,373.0
Short-term debt	1.0	1.0
Long-term debt	3,043.0	3,042.0
Derivatives	950.0	403.0
Pension and other postretirement provisions	431.0	468.0
Current income taxes	145.0	27.0
Other liabilities	1,380.0	1,345.0
Liabilities related to consolidated investment entities:
Collateralized loan obligations notes, at fair value using the fair value option	268.0	474.0
Other liabilities	606.0	652.0
Liabilities related to separate accounts	78,521.0	81,670.0
Liabilities held for sale	18,034.0	18,498.0
Total liabilities	156,645.0	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; 143,048,960 and 140,726,677 shares issued as of 2020 and 2019, respectively; 126,167,913 and 132,325,790 shares outstanding as of 2020 and 2019, respectively)	2.0	2.0
Treasury stock (at cost; 16,881,047 and 8,400,887 shares as of 2020 and 2019, respectively)	(887.0)	(460.0)
Additional paid-in capital	11,227.0	11,184.0
Accumulated other comprehensive income (loss)	4,039.0	3,331.0
Retained earnings (deficit):
Unappropriated	(4,833.0)	(4,649.0)
Total Voya Financial, Inc. shareholders' equity	9,548.0	9,408.0
Noncontrolling interest	741.0	822.0
Total shareholders' equity	10,289.0	10,230.0
Total liabilities and shareholders' equity	166,934.0	169,051.0
Limited partnerships/corporations, at fair value
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	1,459.0	1,632.0
Cash and cash equivalents
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	39.0	68.0
Corporate loans, at fair value using the fair value option
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	274.0	513.0
Other assets
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	10.0	13.0
Collateral Pledged
Investments:
Securities pledged (amortized cost of $950 as of 2020 and $1,264 as of 2019)	$ 1,122.0	$ 1,408.0