Segment Information Level 3 (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	For the years ended December 31,
Revenues	2015			2014		2013
Earned premiums and fee income
Commercial Lines
Workers’ compensation	$	3,051		$	2,971	$	2,975
Property	637			559		521
Automobile	614			591		579
Package business	1,203			1,163		1,139
Liability	567			582		566
Bond	218			210		201
Professional liability	221			213		222
Total Commercial Lines	6,511			6,289		6,203
Personal Lines
Automobile	2,671			2,613		2,522
Homeowners	1,202			1,193		1,138
Total Personal Lines [1]	3,873			3,806		3,660
Property & Casualty Other Operations	32			1		1
Group Benefits
Group disability	1,479			1,450		1,452
Group life	1,477			1,478		1,717
Other	180			167		161
Total Group Benefits	3,136			3,095		3,330
Mutual Funds
Mutual Fund	607			586		520
Talcott	116			137		148
Total Mutual Funds	723			723		668
Talcott Resolution	1,133			1,407		1,463
Corporate	8			11		11
Total earned premiums and fee income	15,416			15,332		15,336
Net investment income:
Securities available-for-sale and other	3,030			3,153		3,263
Equity securities, trading	—			1		1
Total net investment income	3,030			3,154		3,264
Net realized capital gains (loss)	(156		)	16		1,798
Other revenues	87			112		275
Total revenues	$	18,377		$	18,614	$	20,673

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	For the years ended December 31,
Net income (loss)	2015			2014			2013
Commercial Lines	$	1,003		$	983		$	870
Personal Lines	187			207			229
Property & Casualty Other Operations	(53		)	(108		)	(2		)
Group Benefits	187			191			192
Mutual Funds	86			87			76
Talcott Resolution	430			(187		)	(634		)
Corporate	(158		)	(375		)	(555		)
Net income	$	1,682		$	798		$	176

Amortization of deferred policy acquisition costs and present value of future profits

	For the years ended December 31,
Amortization of deferred policy acquisition costs	2015		2014		2013
Commercial Lines	$	951	$	919	$	905
Personal Lines	359		348		332
Group Benefits	31		32		33
Mutual Funds	22		28		39
Talcott Resolution	139		402		485
Total amortization of deferred policy acquisition costs	$	1,502	$	1,729	$	1,794

Income tax expense (benefit)

	For the years ended December 31,
Income tax expense (benefit)	2015			2014			2013
Commercial Lines	$	409		$	385		$	320
Personal Lines	82			92			100
Property & Casualty Other Operations	(47		)	(51		)	(20		)
Group Benefits	63			63			63
Mutual Funds	48			49			42
Talcott Resolution	(17		)	16			(7		)
Corporate	(233		)	(204		)	(252		)
Total income tax expense	$	305		$	350		$	246

Assets

	As of December 31,
Assets	2015		2014
Commercial Lines	$	28,388	$	28,451
Personal Lines	6,147		5,983
Property & Casualty Other Operations	4,562		4,328
Group Benefits	9,666		9,686
Mutual Funds	449		443
Talcott Resolution	175,319		191,801
Corporate	3,817		4,321
Total assets	$	228,348	$	245,013