Acquisitions	12 Months Ended
Dec. 31, 2014
Business Combinations [Abstract]
Acquisitions	Acquisitions Large Corporate Account P&C Insurance Business of Itaú Seguros, S.A. (Itaú Seguros) On October 31, 2014, we expanded our presence in Brazil with the acquisition of the large corporate account property and casualty (P&C) insurance business of Itaú Seguros, Brazil's leading carrier for that business, for approximately $610 million in cash, subject to a working capital adjustment under the purchase agreement expected to be finalized in March 2015. This acquisition generated $449 million of goodwill, attributable to expected growth and profitability, none of which is currently deductible for income tax purposes. Goodwill may become deductible for income tax purposes under Brazilian tax law if this acquired entity is merged with certain ACE legal entities. Other intangible assets of $60 million were also generated based on ACE’s preliminary purchase price allocation. The other intangible assets primarily relate to renewal rights. The Siam Commercial Samaggi Insurance PCL (Samaggi) We and our local partner acquired 60.86 percent of Samaggi, a general insurance company in Thailand, from Siam Commercial Bank on April 28, 2014, and subsequently acquired an additional 32.17 percent ownership, through a mandatory tender offer, which expired on June 17, 2014. The purchase price for 93.03 percent of the company was $176 million in cash. This acquisition expands our presence in Thailand and Southeast Asia. The acquisition generated $46 million of goodwill, attributable to expected growth and profitability, none of which is expected to be deductible for income tax purposes, and other intangible assets of $80 million based on ACE’s preliminary purchase price allocation. The other intangible assets primarily relate to a bancassurance agreement. Prior year acquisitions ABA Seguros On May 2, 2013, we acquired ABA Seguros, a property and casualty insurer in Mexico that provides automobile, homeowners, and small business coverages, for approximately $690 million in cash. The acquisition generated $285 million of goodwill, attributable to expected growth and profitability, none of which is expected to be deductible for income tax purposes, and other intangible assets of $140 million based on ACE’s purchase price allocation. The other intangible assets primarily relate to distribution channels. Fianzas Monterrey On April 1, 2013, we acquired Fianzas Monterrey, a leading surety lines company in Mexico offering administrative performance bonds primarily to clients in the construction and industrial sectors, for approximately $293 million in cash. This acquisition expands our global franchise in the surety business and enhances our existing commercial lines and personal accident insurance business in Mexico. The acquisition generated $137 million of goodwill, attributable to expected growth and profitability, none of which is expected to be deductible for income tax purposes, and other intangible assets of $73 million, based on ACE's purchase price allocation. The other intangible assets primarily relate to customer lists. PT Asuransi Jaya Proteksi We acquired 80 percent of PT Asuransi Jaya Proteksi (JaPro) on September 18, 2012 and our local partner acquired the remaining 20 percent on January 3, 2013. JaPro is one of Indonesia's leading general insurers offering personal lines and commercial coverages. This acquisition diversifies our existing business in Indonesia. The total purchase price for 100 percent of the company was approximately $107 million in cash. Goodwill and other intangible assets arising from the acquisitions described above are included in our Insurance – Overseas General segment. The consolidated financial statements include results of acquired businesses from the acquisition dates. To be acquired after 2014 On December 18, 2014, we announced that we have signed a definitive agreement to acquire the Fireman's Fund high net worth personal lines insurance business in the U.S. from Allianz for approximately $365 million. The acquisition is expected to expand ACE’s position as one of the largest high net worth personal lines insurers in the U.S. The transaction, which is subject to customary closing conditions, including insurance regulatory approval, is expected to be completed in the second quarter of 2015.

Acquisitions

Large Corporate Account P&C Insurance Business of Itaú Seguros, S.A. (Itaú Seguros)

On October 31, 2014, we expanded our presence in Brazil with the acquisition of the large corporate account property and casualty (P&C) insurance business of Itaú Seguros, Brazil's leading carrier for that business, for approximately $610 million in cash, subject to a working capital adjustment under the purchase agreement expected to be finalized in March 2015. This acquisition generated $449 million of goodwill, attributable to expected growth and profitability, none of which is currently deductible for income tax purposes. Goodwill may become deductible for income tax purposes under Brazilian tax law if this acquired entity is merged with certain ACE legal entities. Other intangible assets of $60 million were also generated based on ACE’s preliminary purchase price allocation. The other intangible assets primarily relate to renewal rights.

The Siam Commercial Samaggi Insurance PCL (Samaggi)

We and our local partner acquired 60.86 percent of Samaggi, a general insurance company in Thailand, from Siam Commercial Bank on April 28, 2014, and subsequently acquired an additional 32.17 percent ownership, through a mandatory tender offer, which expired on June 17, 2014. The purchase price for 93.03 percent of the company was $176 million in cash. This acquisition expands our presence in Thailand and Southeast Asia.

The acquisition generated $46 million of goodwill, attributable to expected growth and profitability, none of which is expected to be deductible for income tax purposes, and other intangible assets of $80 million based on ACE’s preliminary purchase price allocation. The other intangible assets primarily relate to a bancassurance agreement.

Prior year acquisitions

ABA Seguros

On May 2, 2013, we acquired ABA Seguros, a property and casualty insurer in Mexico that provides automobile, homeowners, and small business coverages, for approximately $690 million in cash.

The acquisition generated $285 million of goodwill, attributable to expected growth and profitability, none of which is expected to be deductible for income tax purposes, and other intangible assets of $140 million based on ACE’s purchase price allocation. The other intangible assets primarily relate to distribution channels.

Fianzas Monterrey

On April 1, 2013, we acquired Fianzas Monterrey, a leading surety lines company in Mexico offering administrative performance bonds primarily to clients in the construction and industrial sectors, for approximately $293 million in cash. This acquisition expands our global franchise in the surety business and enhances our existing commercial lines and personal accident insurance business in Mexico.

The acquisition generated $137 million of goodwill, attributable to expected growth and profitability, none of which is expected to be deductible for income tax purposes, and other intangible assets of $73 million, based on ACE's purchase price allocation. The other intangible assets primarily relate to customer lists.

PT Asuransi Jaya Proteksi

We acquired 80 percent of PT Asuransi Jaya Proteksi (JaPro) on September 18, 2012 and our local partner acquired the remaining 20 percent on January 3, 2013. JaPro is one of Indonesia's leading general insurers offering personal lines and commercial coverages. This acquisition diversifies our existing business in Indonesia. The total purchase price for 100 percent of the company was approximately $107 million in cash.

Goodwill and other intangible assets arising from the acquisitions described above are included in our Insurance – Overseas General segment. The consolidated financial statements include results of acquired businesses from the acquisition dates.

To be acquired after 2014

On December 18, 2014, we announced that we have signed a definitive agreement to acquire the Fireman's Fund high net worth personal lines insurance business in the U.S. from Allianz for approximately $365 million. The acquisition is expected to expand ACE’s position as one of the largest high net worth personal lines insurers in the U.S. The transaction, which is subject to customary closing conditions, including insurance regulatory approval, is expected to be completed in the second quarter of 2015.