Reinsurance (Tables)

12 Months Ended

Dec. 31, 2017

Insurance [Abstract]

Summary of Amounts Receivable from Reinsurers

The following table presents the amounts receivable from reinsurers:

December 31	2017			2016
(In millions)
Reinsurance receivables related to insurance reserves:
Ceded claim and claim adjustment expenses		$	3,934		$	4,094
Ceded future policy benefits			230			212
Reinsurance receivables related to paid losses			126			147
Reinsurance receivables			4,290			4,453
Less allowance for doubtful accounts			29			37
Reinsurance receivables, net of allowance for doubtful accounts		$	4,261		$	4,416

Summary of Effects of Reinsurance on Earned Premiums

The effects of reinsurance on earned premiums are presented in the following table:

	Direct		Assumed		Ceded		Net		Assumed/     Net %
(In millions)
Year Ended December 31, 2017
Property and casualty	$	10,447	$	317	$	4,315	$	6,449		4.9%
Long term care		489		50				539		9.3
Earned premiums	$	10,936	$	367	$	4,315	$	6,988		5.3%
Year Ended December 31, 2016
Property and casualty	$	10,400	$	258	$	4,270	$	6,388		4.0%
Long term care		486		50				536		9.3
Earned premiums	$	10,886	$	308	$	4,270	$	6,924		4.4%
Year Ended December 31, 2015
Property and casualty	$	9,853	$	274	$	3,754	$	6,373		4.3%
Long term care		498		50				548		9.1
Earned premiums	$	10,351	$	324	$	3,754	$	6,921		4.7%