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Acquisitions (Notes) | 12 Months Ended
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Dec. 31, 2019
Acquisitions [Abstract] |
Mergers, Acquisitions and Dispositions Disclosures [Text Block] | Acquisitions Huatai Group Chubb maintains a direct investment in Huatai Insurance Group Company Limited (Huatai Group). Huatai Group is the parent company of, and owns 100 percent of, Huatai Property & Casualty Insurance Co., Ltd. (Huatai P&C) and approximately 80 percent of Huatai Life Insurance Co., Ltd. (Huatai Life). Huatai Group's insurance operations have more than 600 branches and 11 million customers in China. In 2019, Chubb increased its aggregate ownership interest in Huatai Group from 20 percent to 30.9 percent, with purchases of 6.2 percent for approximately $329 million in May 2019 and 4.7 percent for approximately $251 million in December 2019. Chubb continues to apply the equity method of accounting to its investment in Huatai Group by recording its share of net income or loss in Other (income) expense in the Consolidated statements of operations. Refer to Note 14 for additional information. The Consolidated statements of operations include the equity income from the additional ownership interests as of each respective closing date. During 2019, Chubb also entered into agreements to acquire an additional 22.4 percent ownership in Huatai Group for approximately $1.6 billion through two separate purchases, a 15.3 percent ownership interest for approximately $1.1 billion and a 7.1 percent ownership interest for approximately $493 million. These purchases are contingent upon Chinese insurance regulatory approval and other important conditions that are expected to be completed by the end of 2021. The purchase of the 7.1 percent ownership stake is also contingent upon the receipt of Chinese insurance regulatory approval of the 15.3 percent purchase. Upon completion of the 7.1 percent purchase, which will result in majority ownership of Huatai Group at 53.3 percent, Chubb is expected to obtain control of Huatai Group, Huatai P&C and Huatai Life. At that time, Chubb is expected to apply consolidation accounting and discontinue the application of the equity method of accounting. Banchile Seguros de Vida On December 30, 2019, we acquired Banchile Seguros de Vida, an insurance company providing both life and property and casualty coverages in Chile, for approximately $80 million in cash. The consolidated financial statements will include results of this acquisition within the Chubb Overseas General and Life Insurance segment results.

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- Definition The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -URI http://asc.fasb.org/topic&trid=2303972 + Details
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