Schedule I - Summary of Investments - Other Than Investments in Affiliates Level 1 (Notes)

12 Months Ended

Dec. 31, 2017

Summary of Investments, Other than Investments in Related Parties [Abstract]

Summary of Investments - Other Than Investments in Affiliates

SCHEDULE I

SUMMARY OF INVESTMENTS—OTHER THAN INVESTMENTS IN AFFILIATES

($ in millions)

	As of December 31, 2017
Type of Investment	Cost		Fair Value		Amount at which shown on Balance Sheet
Fixed Maturities
Bonds and notes
U.S. government and government agencies and authorities (guaranteed and sponsored)	$	2,845	$	3,058	$	3,058
States, municipalities and political subdivisions	1,125		1,266		1,266
Foreign governments	379		407		407
Public utilities	2,443		2,739		2,739
All other corporate bonds	10,144		11,299		11,299
All other mortgage-backed and asset-backed securities	3,978		4,030		4,030
Total fixed maturities, available-for-sale	20,914		22,799		22,799
Fixed maturities, at fair value using fair value option	32		32		32
Total fixed maturities	20,946		22,831		22,831
Equity Securities
Common stocks
Industrial, miscellaneous and all other	88		95		95
Non-redeemable preferred stocks	52		59		59
Total equity securities, available-for-sale	140		154		154
Equity securities, trading [1]	10		12		12
Total equity securities	150		166		166
Mortgage loans	2,872		2,941		2,872
Policy loans	1,432		1,432		1,432
Futures, options and miscellaneous	478		201		201
Short-term investments	1,094		1,094		1,094
Investments in partnerships and trusts	1,001				1,001
Total investments	$	27,973			$	29,597

[1] Included in other investments on the Consolidated Balance Sheets.