Property Casualty Loss and Loss Expenses (Tables)

3 Months Ended

Mar. 31, 2019

Premiums Written, Net [Abstract]

Consolidated Property Casualty Loss And Loss Expense Reserves

This table summarizes activity for our consolidated property casualty loss and loss expense reserves:

(Dollars in millions)	Three months ended March 31,
	2019			2018
Gross loss and loss expense reserves, beginning of period	$	5,646		$	5,219
Less reinsurance recoverable	238			187
Net loss and loss expense reserves, beginning of period	5,408			5,032
Net loss and loss expense reserves related to acquisition of MSP at February 28, 2019	246			—
Net incurred loss and loss expenses related to:
Current accident year	857			839
Prior accident years	(67		)	(48		)
Total incurred	790			791
Net paid loss and loss expenses related to:
Current accident year	177			195
Prior accident years	647			519
Total paid	824			714
Net loss and loss expense reserves, end of period	5,620			5,109
Plus reinsurance recoverable	266			184
Gross loss and loss expense reserves, end of period	$	5,886		$	5,293