XML 53 R111.htm IDEA: XBRL DOCUMENT

Related party transaction (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Related Party Transactions [Abstract]
ACE Foundation - Bermuda-Loan	$ 27	$ 29

Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

+ References+ Details