Segment Information (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Reconciliation of Net Income from Segments to Consolidated

Net Income

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Commercial Lines	$	336		$	289		$	890		$	959
Personal Lines	94			51			252			146
Property & Casualty Other Operations	18			9			52			31
Group Benefits	146			77			377			227
Hartford Funds	40			41			108			112
Corporate	(99		)	(35		)	(142		)	136
Net income	535			432			1,537			1,611
Preferred stock dividends	11			—			16			—
Net income available to common stockholders	$	524		$	432		$	1,521		$	1,611

Reconciliation of Revenue from Segments to Consolidated

Revenues

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Earned premiums and fee income:
Commercial Lines
Workers’ compensation	$	825	$	845	$	2,480	$	2,495
Liability	330		170		731		480
Marine	59		—		86		—
Package business	376		343		1,092		1,013
Property	198		154		529		456
Professional liability	137		65		304		190
Bond	67		60		192		179
Assumed reinsurance	75		—		104		—
Automobile	191		157		522		454
Total Commercial Lines	2,258		1,794		6,040		5,267
Personal Lines
Automobile	564		598		1,690		1,809
Homeowners	248		261		741		785
Total Personal Lines [1]	812		859		2,431		2,594
Group Benefits
Group disability	697		684		2,124		2,051
Group life	621		652		1,902		1,968
Other	64		60		187		179
Total Group Benefits	1,382		1,396		4,213		4,198
Hartford Funds
Mutual fund and Exchange-Traded Products ("ETP")	231		242		674		710
Talcott Resolution life and annuity separate accounts [2]	23		25		69		76
Total Hartford Funds	254		267		743		786
Corporate	18		15		43		21
Total earned premiums and fee income	4,724		4,331		13,470		12,866
Net investment income	490		444		1,448		1,323
Net realized capital gains	89		38		332		60
Other revenues	44		29		129		73
Total revenues	$	5,347	$	4,842	$	15,379	$	14,322

[1] For the three months ended September 30, 2019 and 2018, AARP members accounted for earned premiums of $729 and $758, respectively. For the nine months ended September 30, 2019 and 2018, AARP members accounted for earned premiums of $2.2 billion and $2.3 billion, respectively.

[2]

Represents revenues earned for investment advisory services on the life and annuity separate account AUM sold in May 2018 that is still managed by the Company's Hartford Funds segment.

Disaggregation of Revenue [Table Text Block]

Revenue from Non-Insurance Contracts with Customers

		Three months ended September 30,				Nine months ended September 30,
	Revenue Line Item	2019		2018		2019		2018
Commercial Lines
Installment billing fees	Fee income	$	8	$	9	$	26	$	26
Personal Lines
Installment billing fees	Fee income	9		10		28		30
Insurance servicing revenues	Other revenues	23		24		65		66
Group Benefits
Administrative services	Fee income	45		43		135		131
Hartford Funds
Advisor, distribution and other management fees	Fee income	232		245		677		722
Other fees	Fee income	22		21		65		63
Corporate
Investment management and other fees	Fee income	14		15		38		21
Transition service revenues	Other revenues	6		6		18		8
Total non-insurance revenues with customers		$	359	$	373	$	1,052	$	1,067