Reinsurance (Tables)

12 Months Ended

Dec. 31, 2016

Reinsurance Disclosures [Abstract]

Components of Reinsurance Receivables

The following table presents the amounts receivable from reinsurers.

December 31
(In millions)	2016			2015
Reinsurance receivables related to insurance reserves:
Ceded claim and claim adjustment expenses	$	4,094		$	4,087
Ceded future policy benefits	212			207
Reinsurance receivables related to paid losses	147			197
Reinsurance receivables	4,453			4,491
Allowance for uncollectible reinsurance	(37		)	(38		)
Reinsurance receivables, net of allowance for uncollectible reinsurance	$	4,416		$	4,453

Components of Earned and Written Premiums

The effects of reinsurance on earned premiums and written premiums are presented in the following tables.

(In millions)	Direct		Assumed		Ceded		Net		Assumed/ Net %
2016 Earned Premiums
Property and casualty	$	10,400	$	258	$	4,270	$	6,388	4.0	%
Long term care	486		50		—		536		9.3	%
Total earned premiums	$	10,886	$	308	$	4,270	$	6,924	4.4	%
2015 Earned Premiums
Property and casualty	$	9,853	$	274	$	3,754	$	6,373	4.3	%
Long term care	498		50		—		548		9.1	%
Total earned premiums	$	10,351	$	324	$	3,754	$	6,921	4.7	%
2014 Earned Premiums
Property and casualty	$	9,452	$	277	$	3,073	$	6,656	4.2	%
Long term care	508		48		—		556		8.6	%
Total earned premiums	$	9,960	$	325	$	3,073	$	7,212	4.5	%

(In millions)	Direct		Assumed		Ceded		Net		Assumed/ Net %
2016 Written Premiums
Property and casualty	$	10,451	$	245	$	4,255	$	6,441	3.8	%
Long term care	495		52		—		547		9.5	%
Total written premiums	$	10,946	$	297	$	4,255	$	6,988	4.3	%
2015 Written Premiums
Property and casualty	$	9,852	$	270	$	3,702	$	6,420	4.2	%
Long term care	493		49		—		542		9.0	%
Total written premiums	$	10,345	$	319	$	3,702	$	6,962	4.6	%
2014 Written Premiums
Property and casualty	$	9,283	$	276	$	3,024	$	6,535	4.2	%
Long term care	504		49		—		553		8.9	%
Total written premiums	$	9,787	$	325	$	3,024	$	7,088	4.6	%