Schedule I - Summary of Investments

12 Months Ended

Dec. 31, 2017

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

Summary of Investments, Other than Investments in Related Parties

CIGNA CORPORATION AND SUBSIDIARIES

SCHEDULE I

SUMMARY OF INVESTMENTS-OTHER THAN INVESTMENTS IN RELATED PARTIES

December 31, 2017

					Amount at
					which shown in
(in millions)			Fair		the Consolidated
Type of Investment	Cost		Value		Balance Sheet
Fixed maturities
Bonds
United States government and government
agencies and authorities	$	541	$	779	$	779
States, municipalities and political subdivisions		1,196		1,287		1,287
Foreign governments		2,360		2,487		2,487
Public utilities		2,187		2,342		2,342
All other corporate bonds		15,107		15,739		15,739
Mortgage and other asset-backed		469		497		497
Redeemable preferred stocks		7		7		7
Total fixed maturities		21,867		23,138		23,138
Equity securities
Common stocks
Industrial, miscellaneous and all other		485		496		496
Non-redeemable preferred stocks		104		92		92
Total equity securities		589		588		588
Commercial mortgage loans on real estate		1,761				1,761
Policy loans		1,415				1,415
Other long-term investments		1,518				1,518
Short-term investments		199				199
Total investments	$	27,349			$	28,619