Acquisitions	3 Months Ended
Mar. 31, 2014
Business Combinations [Abstract]
Acquisitions	Acquisitions The Siam Commercial Samaggi Insurance PCL On April 28, 2014, we and our local partner acquired 60.9 percent of The Siam Commercial Samaggi Insurance PCL (Samaggi), a general insurance company in Thailand, from Siam Commercial Bank. In compliance with Thai regulations, we and our local partner will make a mandatory tender offer for the remaining 39.1 percent ownership of Samaggi for the same share purchase price during the second quarter of 2014. The implied purchase price for 100 percent of the company, at current exchange rates, is approximately $190 million in cash. 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 greatly expanded our global franchise in the surety business and enhanced 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. Amortization of other intangible assets is included in Other (income) expense in the consolidated statements of operations. Goodwill and other intangible assets arising from this acquisition are included in the Insurance – Overseas General segment. 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. Amortization of other intangible assets is included in Other (income) expense in the consolidated statements of operations. Goodwill and other intangible assets arising from this acquisition are included in the Insurance – Overseas General segment.

Acquisitions

The Siam Commercial Samaggi Insurance PCL

On April 28, 2014, we and our local partner acquired 60.9 percent of The Siam Commercial Samaggi Insurance PCL (Samaggi), a general insurance company in Thailand, from Siam Commercial Bank. In compliance with Thai regulations, we and our local partner will make a mandatory tender offer for the remaining 39.1 percent ownership of Samaggi for the same share purchase price during the second quarter of 2014. The implied purchase price for 100 percent of the company, at current exchange rates, is approximately $190 million in cash.

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 greatly expanded our global franchise in the surety business and enhanced 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. Amortization of other intangible assets is included in Other (income) expense in the consolidated statements of operations. Goodwill and other intangible assets arising from this acquisition are included in the Insurance – Overseas General segment.

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. Amortization of other intangible assets is included in Other (income) expense in the consolidated statements of operations. Goodwill and other intangible assets arising from this acquisition are included in the Insurance – Overseas General segment.