Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost: 2018 – $90,083; 2017 – $86,993)	$ 93,060	$ 94,840
Equity securities (cost: 2017 – $247)		246
Trading securities	1,450	1,620
Equity securities	112
Mortgage loans on real estate	12,217	10,762
Real estate	11	11
Policy loans	2,508	2,399
Derivative investments	584	915
Other investments	2,065	2,296
Total investments	112,007	113,089
Cash and invested cash	1,775	1,628
Deferred acquisition costs and value of business acquired	9,904	8,403
Premiums and fees receivable	574	396
Accrued investment income	1,119	1,078
Reinsurance recoverables	17,979	4,907
Funds withheld reinsurance assets	572	593
Goodwill	1,750	1,368
Other assets	8,921	6,082
Separate account assets	144,231	144,219
Total assets	298,832	281,763
Liabilities
Future contract benefits	33,718	22,887
Other contract holder funds	88,698	80,209
Short-term debt		450
Long-term debt	5,826	4,894
Reinsurance related embedded derivatives	25	57
Funds withheld reinsurance liabilities	1,711	1,761
Deferred gain on business sold through reinsurance	1	1
Payables for collateral on investments	4,699	4,417
Other liabilities	4,746	5,546
Separate account liabilities	144,231	144,219
Total liabilities	283,655	264,441
Contingencies and Commitments (See Note 10)
Stockholders' Equity
Preferred stock - 10,000,000 shares authorized
Common stock – 800,000,000 shares authorized; 217,294,051 and 218,090,114 shares issued and outstanding as of June 30, 2018, and December 31, 2017, respectively	5,674	5,693
Retained earnings	8,302	8,399
Accumulated other comprehensive income (loss)	1,201	3,230
Total stockholders' equity	15,177	17,322
Total liabilities and stockholders' equity	$ 298,832	$ 281,763