Reinsurance - Schedule IV

12 Months Ended

Dec. 31, 2015

Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract]

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

Schedule IV

Cincinnati Financial Corporation and Subsidiaries
Reinsurance
(Dollars in millions)	Years ended December 31,
	2015			2014			2013
Gross amounts:
Life insurance in force	$	91,451		$	88,045		$	85,015
Earned premiums
Commercial lines insurance	$	3,088		$	2,973		$	2,777
Personal lines insurance	1,131			1,080			1,002
Excess and surplus lines insurance	177			156			124
Cincinnati Re	—			—			—
Total property casualty insurance	4,396			4,209			3,903
Life insurance	271			259			248
Total	$	4,667		$	4,468		$	4,151
Ceded amounts to other companies:
Life insurance in force	$	38,716		$	37,689		$	36,952
Earned premiums
Commercial lines insurance	$	102		$	128		$	151
Personal lines insurance	35			40			42
Excess and surplus lines insurance	9			8			8
Cincinnati Re	8			—			—
Total property casualty insurance	154			176			201
Life insurance	62			61			59
Total	$	216		$	237		$	260
Assumed amounts from other companies:
Life insurance in force	$	—		$	—		$	—
Earned premiums
Commercial lines insurance	$	10		$	11		$	10
Personal lines insurance	1			1			1
Excess and surplus lines insurance	—			—			—
Cincinnati Re	18			—			—
Total property casualty insurance	29			12			11
Life insurance	—			—			—
Total	$	29		$	12		$	11
Net amounts:
Life insurance in force	$	52,735		$	50,356		$	48,063
Earned premiums
Commercial lines insurance	$	2,996		$	2,856		$	2,636
Personal lines insurance	1,097			1,041			961
Excess and surplus lines insurance	168			148			116
Cincinnati Re	10			—			—
Total property casualty insurance	4,271			4,045			3,713
Life insurance	209			198			189
Total	$	4,480		$	4,243		$	3,902
Percentage of amounts assumed to net:
Life insurance in force	—		%	—		%	—		%
Earned premiums
Commercial lines insurance	0.3		%	0.4		%	0.4		%
Personal lines insurance	0.1			0.1			0.1
Excess and surplus lines insurance	—			—			—
Cincinnati Re	188.0			—			—
Total property casualty insurance	0.7			0.5			0.5
Life insurance	—			—			—
Total	0.7			0.5			0.5