Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $44,806 as of 2019 and $45,241 as of 2018)	$ 49,150	$ 46,298
Fixed maturities, at fair value using the fair value option	3,358	2,956
Equity securities, at fair value (cost of $335 as of 2019 and $255 as of 2018)	367	273
Short-term investments	154	168
Mortgage loans on real estate, net of valuation allowance of $1 as of 2019 and $2 as of 2018	8,418	8,676
Policy loans	1,797	1,833
Limited partnerships/corporations	1,325	1,158
Derivatives	440	247
Other investments	96	90
Total investments	67,050	63,566
Cash and cash equivalents	1,482	1,538
Short-term investments under securities loan agreements, including collateral delivered	1,929	1,684
Accrued investment income	662	650
Premium receivable and reinsurance recoverable	6,640	6,860
Deferred policy acquisition costs and Value of business acquired	3,246	4,116
Current income taxes	226	237
Deferred income taxes	576	1,157
Other assets	1,425	1,336
Assets related to consolidated investment entities:
Assets held in separate accounts	79,915	71,228
Total assets	165,162	154,682
Liabilities and Shareholders' Equity:
Future policy benefits	14,841	14,488
Contract owner account balances	50,580	51,001
Payables under securities loan and repurchase agreements, including collateral held	1,972	1,821
Short-term debt	97	1
Long-term debt	3,041	3,136
Derivatives	432	139
Pension and other postretirement provisions	445	551
Other liabilities	2,106	2,148
Liabilities related to consolidated investment entities:
Collateralized loan obligations notes, at fair value using the fair value option	432	540
Other liabilities	562	688
Liabilities related to separate accounts	79,915	71,228
Total liabilities	154,423	145,741
Commitments and Contingencies (Note 13)
Shareholders' equity:
Preferred stock ($0.01 par value per share; $625 and $325 aggregate liquidation preference as of 2019 and 2018, respectively)	0	0
Common stock ($0.01 par value per share; 900,000,000 shares authorized; 275,273,194 and 272,431,745 shares issued as of 2019 and 2018, respectively; 140,329,307 and 150,978,184 shares outstanding as of 2019 and 2018, respectively)	3	3
Treasury stock (at cost; 134,943,887 and 121,453,561 shares as of 2019 and 2018, respectively)	(5,663)	(4,981)
Additional paid-in capital	24,642	24,316
Accumulated other comprehensive income (loss)	2,867	607
Retained earnings (deficit):
Appropriated-consolidated investment entities	0	0
Unappropriated	(11,785)	(11,732)
Total Voya Financial, Inc. shareholders' equity	10,064	8,213
Noncontrolling interest	675	728
Total shareholders' equity	10,739	8,941
Total liabilities and shareholders' equity	165,162	154,682
Limited partnerships/corporations, at fair value
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	1,429	1,421
Cash and cash equivalents
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	59	331
Corporate loans, at fair value using the fair value option
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	512	542
Other assets
Assets related to consolidated investment entities:
Assets related to consolidated investment entities	11	16
Collateral Pledged
Investments:
Securities pledged (amortized cost of $1,739 as of 2019 and $1,824 as of 2018)	$ 1,945	$ 1,867