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Other (income) expense | 12 Months Ended
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Dec. 31, 2017
Other Income and Expenses [Abstract] |
Other (income) expense | 14. Other (income) expense
| Year Ended December 31 |
(in millions of U.S. dollars) | 2017 |  |  | 2016 |  |  | 2015 |
Equity in net (income) loss of partially-owned entities | $ | (418 | ) |  | $ | (264 | ) |  | $ | (113 | )
(Gains) losses from fair value changes in separate account assets (1) | (97 | ) |  | (11 | ) |  | 19 |
One-time contribution to the Chubb Charitable Foundation | 50 |  |  | — |  |  | — |
Federal excise and capital taxes | 35 |  |  | 19 |  |  | 19 |
Other | 30 |  |  | 34 |  |  | 24 |
Other (income) expense | $ | (400 | ) |  | $ | (222 | ) |  | $ | (51 | )
(1) Related to (gains) losses from fair value changes in separate account assets that do not qualify for separate account reporting under GAAP. Other (income) expense includes equity in net (income) loss of partially-owned entities, which includes our share of net (income) loss related to partially-owned investment companies (private equity) and partially-owned insurance companies. Also included in Other (income) expense are (Gains) losses from fair value changes in separate account assets that do not qualify for separate account reporting under GAAP. The offsetting movement in the separate account liabilities is included in Policy benefits in the Consolidated statements of operations. Certain federal excise and capital taxes incurred as a result of capital management initiatives are included in Other (income) expense as these are considered capital transactions and are excluded from underwriting results.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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