Organization	12 Months Ended
Dec. 31, 2014
Disclosure - Organization [Abstract]
Organization	1. Organization PartnerRe Ltd. (PartnerRe or the Company) predominantly provides reinsurance and certain specialty insurance lines on a worldwide basis through its principal wholly-owned subsidiaries, including Partner Reinsurance Company Ltd. (PartnerRe Bermuda), Partner Reinsurance Europe SE (PartnerRe Europe), Partner Reinsurance Company of the U.S. (PartnerRe U.S.) and, effective April 1, 2015, Partner Reinsurance Asia Pte. Ltd. (PartnerRe Asia). Risks reinsured include, but are not limited to, property, casualty, motor, agriculture, aviation/space, catastrophe, credit/surety, engineering, energy, marine, specialty property, specialty casualty, multiline and other lines, mortality, longevity, accident and health and alternative risk products. The Company’s alternative risk products include weather and credit protection to financial, industrial and service companies on a worldwide basis. The Company was incorporated in August 1993 under the laws of Bermuda. The Company commenced operations in November 1993 upon completion of the sale of common shares and warrants pursuant to subscription agreements and an initial public offering. The Company completed the acquisition of SAFR (subsequently renamed PartnerRe SA and reinsurance business transferred into PartnerRe Europe) in 1997, the acquisition of the reinsurance operations of Winterthur Group (Winterthur Re) in 1998, and the acquisition of PARIS RE Holdings Limited (Paris Re) in 2009. Effective December 31, 2012, the Company completed the acquisition of Presidio Reinsurance Group, Inc. (subsequently renamed and referred to herein as PartnerRe Health), a California-based U.S. specialty accident and health reinsurance and insurance writer. The Consolidated Statements of Operations and Cash Flows include PartnerRe Health’s results from January 1, 2013. In January 2015, the Company announced that PartnerRe Asia, a wholly owned subsidiary of PartnerRe Ltd., was licensed by the Monetary Authority of Singapore (MAS) to operate as a non-life and life reinsurer in Singapore. As of April 1, 2015, PartnerRe Asia will be the principal reinsurance carrier for the Company’s business underwritten in the Asia Pacific region. The establishment of PartnerRe Asia will enable the Company's Asian reinsurance operations to be consolidated into one regional, well-capitalized entity and supports its growing underwriting presence in the region. On January 25, 2015, the Company entered into an Agreement and Plan of Amalgamation (the Amalgamation Agreement) with Axis Capital Holdings Limited, a Bermuda exempted company (AXIS), pursuant to which the Company will amalgamate with AXIS (the Amalgamation) and the two companies will continue as a single Bermuda exempted company (Amalgamated Company). The Amalgamation has been approved by the Company's Board of Directors (Board) and is subject to shareholder and regulatory approvals with respect to the Company and AXIS. See Note 23 for further details.

1. Organization

PartnerRe Ltd. (PartnerRe or the Company) predominantly provides reinsurance and certain specialty insurance lines on a worldwide basis through its principal wholly-owned subsidiaries, including Partner Reinsurance Company Ltd. (PartnerRe Bermuda), Partner Reinsurance Europe SE (PartnerRe Europe), Partner Reinsurance Company of the U.S. (PartnerRe U.S.) and, effective April 1, 2015, Partner Reinsurance Asia Pte. Ltd. (PartnerRe Asia). Risks reinsured include, but are not limited to, property, casualty, motor, agriculture, aviation/space, catastrophe, credit/surety, engineering, energy, marine, specialty property, specialty casualty, multiline and other lines, mortality, longevity, accident and health and alternative risk products. The Company’s alternative risk products include weather and credit protection to financial, industrial and service companies on a worldwide basis.

The Company was incorporated in August 1993 under the laws of Bermuda. The Company commenced operations in November 1993 upon completion of the sale of common shares and warrants pursuant to subscription agreements and an initial public offering.

The Company completed the acquisition of SAFR (subsequently renamed PartnerRe SA and reinsurance business transferred into PartnerRe Europe) in 1997, the acquisition of the reinsurance operations of Winterthur Group (Winterthur Re) in 1998, and the acquisition of PARIS RE Holdings Limited (Paris Re) in 2009.

Effective December 31, 2012, the Company completed the acquisition of Presidio Reinsurance Group, Inc. (subsequently renamed and referred to herein as PartnerRe Health), a California-based U.S. specialty accident and health reinsurance and insurance writer. The Consolidated Statements of Operations and Cash Flows include PartnerRe Health’s results from January 1, 2013.

In January 2015, the Company announced that PartnerRe Asia, a wholly owned subsidiary of PartnerRe Ltd., was licensed by the Monetary Authority of Singapore (MAS) to operate as a non-life and life reinsurer in Singapore. As of April 1, 2015, PartnerRe Asia will be the principal reinsurance carrier for the Company’s business underwritten in the Asia Pacific region. The establishment of PartnerRe Asia will enable the Company's Asian reinsurance operations to be consolidated into one regional, well-capitalized entity and supports its growing underwriting presence in the region.

On January 25, 2015, the Company entered into an Agreement and Plan of Amalgamation (the Amalgamation Agreement) with Axis Capital Holdings Limited, a Bermuda exempted company (AXIS), pursuant to which the Company will amalgamate with AXIS (the Amalgamation) and the two companies will continue as a single Bermuda exempted company (Amalgamated Company). The Amalgamation has been approved by the Company's Board of Directors (Board) and is subject to shareholder and regulatory approvals with respect to the Company and AXIS. See Note 23 for further details.