Schedule IV - Reinsurance

12 Months Ended

Dec. 31, 2016

Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract]

Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Text Block]

CIGNA CORPORATION AND SUBSIDIARIES

SCHEDULE IV

REINSURANCE

(in millions)

									Percentage
			Ceded to		Assumed				of amount
	Gross		other		from other		Net		assumed
	amount		companies		companies		amount		to net
Year Ended December 31, 2016:
Life insurance in force		1,047,002		55,399		2,827		994,430	0.3%
Premiums:
Life insurance and annuities	$	2,881	$	310	$	22	$	2,593	0.8%
Accident and health insurance		27,874		203		362		28,033	1.3%
Total	$	30,755	$	513	$	384	$	30,626	1.3%
Year Ended December 31, 2015:
Life insurance in force		1,047,982		72,208		3,273		979,047	0.3%
Premiums:
Life insurance and annuities	$	2,886	$	335	$	106	$	2,657	4.0%
Accident and health insurance		26,926		235		294		26,985	1.1%
Total	$	29,812	$	570	$	400	$	29,642	1.3%
Year Ended December 31, 2014:
Life insurance in force		879,508		58,133		3,180		824,555	0.4%
Premiums:
Life insurance and annuities	$	2,302	$	320	$	32	$	2,014	1.6%
Accident and health insurance		24,913		283		570		25,200	2.3%
Total	$	27,215	$	603	$	602	$	27,214	2.2%