Reinsurance (Tables)

12 Months Ended

Dec. 31, 2012

Reinsurance Disclosures [Abstract]

Schedule of summary of direct insurance and reinsurance for property and casualty and life insurance activities

(in millions)
	Erie Insurance Group
Property and casualty insurance:	2012			2011			2010
Premiums written:
Direct	$	4,631		$	4,271		$	4,035
Assumed	21			21			19
Ceded	(49		)	(37		)	(35		)
Premiums written, net	4,603			4,255			4,019
Premiums earned:
Direct	4,449			4,164			3,939
Assumed	21			21			20
Ceded	(48		)	(36		)	(34		)
Premiums earned, net	4,422			4,149			3,925
Insurance losses and loss expenses:
Direct	3,382			3,311			2,834
Assumed	10			11			(15		)
Ceded	(13		)	22			(9		)
Insurance losses and loss expenses, net	$	3,379		$	3,344		$	2,810
Life insurance:
Premiums earned:
Direct	$	113		$	108		$	104
Ceded	(42		)	(43		)	(42		)
Premiums earned, net	71			65			62
Insurance losses and loss expenses:
Direct	120			120			102
Ceded	(19		)	(20		)	(12		)
Insurance losses and loss expenses, net	$	101		$	100		$	90
Total:
Premiums earned:
Property and casualty	$	4,422		$	4,149		$	3,925
Life	71			65			62
Premiums earned, net	4,493			4,214			3,987
Insurance losses and loss expenses:
Property and casualty	3,379			3,344			2,810
Life	101			100			90
Insurance losses and loss expenses, net	$	3,480		$	3,444		$	2,900