Schedule VI. Supplemental Information Concerning Property and Casualty Insurance Operations

12 Months Ended

Dec. 31, 2017

Supplemental Information for Property, Casualty Insurance Underwriters [Abstract]

Schedule VI. Supplemental Information Concerning Property and Casualty Insurance Operations

SCHEDULE VI. SUPPLEMENTAL INFORMATION CONCERNING PROPERTY AND CASUALTY INSURANCE OPERATIONS

As of and for the years ended December 31	Consolidated Property and Casualty Operations
(In millions)	2017			2016			2015
Balance Sheet Data
Deferred acquisition costs	$	632		$	599
Reserves for unpaid claim and claim adjustment expenses	22,004			22,343
Discount deducted from claim and claim adjustment expense reserves above (based on interest rates ranging from 3.5% to 8.0%)	1,434			1,572
Unearned premiums	4,029			3,762
Statement of Operations Data
Net written premiums	$	7,069		$	6,988		$	6,962
Net earned premiums	6,988			6,924			6,921
Net investment income	1,992			1,952			1,807
Incurred claim and claim adjustment expenses related to current year	5,201			5,025			4,934
Incurred claim and claim adjustment expenses related to prior years	(381		)	(342		)	(255		)
Amortization of deferred acquisition costs	1,233			1,235			1,540
Paid claim and claim adjustment expenses	5,341			5,134			4,945