Unaudited Quarterly Financial Information

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

23. Unaudited Quarterly Financial Information        

	2015												2014
(in millions of U.S. dollars, except per share amounts)	Fourth Quarter			Third Quarter			Second Quarter			First Quarter			Fourth Quarter			Third Quarter			Second Quarter			First Quarter
Net premiums written	$	1,064		$	1,190		$	1,322		$	1,653		$	1,220		$	1,343		$	1,419		$	1,738
Net premiums earned	1,294			1,412			1,328			1,235			1,446			1,557			1,353			1,254
Net investment income	108			117			120			105			115			118			130			117
Net realized and unrealized investment (losses) gains	(24		)	(133		)	(256		)	116			98			(34		)	166			142
Other income	1			3			—			4			4			2			9			—
Total revenues	1,379			1,399			1,192			1,460			1,663			1,643			1,658			1,513
Losses and loss expenses and life policy benefits	767			804			865			721			870			960			884			749
Acquisition costs	311			347			283			276			325			322			303			265
Other expenses	120			416			130			125			123			108			107			111
Interest expense	12			12			12			12			12			12			12			12
Amortization of intangible assets	6			7			7			7			6			7			7			7
Net foreign exchange (gains) losses	(6		)	22			6			(13		)	(7		)	(8		)	(2		)	—
Total expenses	1,210			1,608			1,303			1,128			1,329			1,401			1,311			1,144
Income (loss) before taxes and interest in earnings (losses) of equity method investments	169			(209		)	(111		)	332			334			242			347			369
Income tax (benefit) expense	(3		)	17			(14		)	80			53			46			78			62
Interest in earnings (losses) of equity method investments	5			(3		)	8			(4		)	(1		)	5			5			6
Net income (loss)	177			(229		)	(89		)	248			280			201			274			313
Net income attributable to noncontrolling interests	—			—			—			(2		)	(3		)	(5		)	(2		)	(3		)
Net income (loss) attributable to PartnerRe Ltd.	177			(229		)	(89		)	246			277			196			272			310
Preferred dividends	14			14			14			14			14			14			14			14
Net income (loss) attributable to PartnerRe Ltd. common shareholders	$	163		$	(243	)	$	(103	)	$	232		$	263		$	182		$	258		$	296
Basic net income (loss) per common share	$	3.39		$	(5.08	)	$	(2.16	)	$	4.88		$	5.39		$	3.68		$	5.13		$	5.72
Diluted net income (loss) per common share	$	3.30		$	(5.08	)	$	(2.16	)	$	4.76		$	5.26		$	3.60		$	5.02		$	5.61
Dividends declared per common share	$	0.70		$	0.70		$	0.70		$	0.70		$	0.67		$	0.67		$	0.67		$	0.67