Unaudited Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

			2013												2012
(in millions of U.S. dollars,			Fourth			Third			Second			First			Fourth			Third			Second			First
except per share amounts)			Quarter			Quarter			Quarter			Quarter			Quarter			Quarter			Quarter			Quarter
Net premiums written		$		1,186	$		1,265	$		1,309	$		1,636	$		920	$		1,043	$		1,136	$		1,473
Net premiums earned				1,421			1,421			1,209			1,147			1,168			1,237			1,091			990
Net investment income				114			122			125			124			136			135			153			147
Net realized and unrealized
	investment gains (losses)			99			16			(299)			23			5			257			38			193
Other income				3			5			4			4			3			3			3			2
Total revenues				1,637			1,564			1,039			1,298			1,312			1,632			1,285			1,332
Losses and loss expenses
	and life policy benefits			879			751			867			661			801			721			706			576
Acquisition costs				318			283			242			235			245			247			233			212
Other operating expenses				131			108			145			116			112			95			106			98
Interest expense				12			12			12			12			12			12			12			12
Amortization of intangible assets				6			7			7			7			5			9			9			9
Net foreign exchange losses (gains)				8			1			11			(2)			3			2			(8)			3
Total expenses				1,354			1,162			1,284			1,029			1,178			1,086			1,058			910
Income (loss) before taxes and interest in
	earnings (losses) of equity investments			283			402			(245)			269			134			546			227			422
Income tax expense (benefit)				11			70			(75)			42			23			64			50			67
Interest in earnings (losses) of equity
	investments			4			6			(4)			7			1			5			(1)			5
Net income (loss)				276			338			(174)			234			112			487			176			360
Net income attributable to
	noncontrolling interests			(4)			(4)			(1)			0			0			0			0			0
Net income (loss) attributable to PartnerRe Ltd.				272			334			(175)			234			112			487			176			360
Preferred dividends				14			14			15			15			15			15			15			15
Loss on redemption of preferred shares				0			0			0			9			0			0			0			0
Net income (loss) attributable to PartnerRe
	Ltd. common shareholders	$		258	$		320	$		(190)	$		210	$		97	$		472	$		161	$		345
Basic net income (loss) per common share		$		4.86	$		5.95	$		(3.37)	$		3.60	$		1.58	$		7.62	$		2.52	$		5.27
Diluted net income (loss) per common share				4.76			5.84			(3.37)			3.53			1.56			7.53			2.50			5.24
Dividends declared per common share				0.64			0.64			0.64			0.64			0.62			0.62			0.62			0.62