Indemnity Shareholders' Equity and Noncontrolling Interest (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule of reconciliation of the beginning and ending balances of Indemnity's shareholders' equity and the noncontrolling interest

A reconciliation of the beginning and ending balances of Indemnity's shareholders’ equity and the noncontrolling interest is presented as follows for the year ended December 31, 2012 and for the three months ended March 31, 2013:

	Erie Insurance Group
(in millions, except per share data)	Indemnity shareholder interest			Exchange noncontrolling interest			Erie Insurance Group
Balance at December 31, 2011	$	781		$	5,512		$	6,293
Net income	160			459			619
Change in other comprehensive (loss) income, net of tax	(28		)	178			150
Net purchase of treasury stock	(69		)	—			(69		)
Dividends declared:
Class A $4.25 per share	(200		)	—			(200		)
Class B $637.50 per share	(2		)	—			(2		)
Balance at December 31, 2012	$	642		$	6,149		$	6,791
Net income	37			253			290
Change in other comprehensive loss, net of tax	(1		)	(21		)	(22		)
Net purchase of treasury stock	(14		)	—			(14		)
Dividends declared:
Class A $0.5925 per share	(28		)	—			(28		)
Class B $88.875 per share	0			—			0
Balance at March 31, 2013	$	636		$	6,381		$	7,017