Investments (Equity Method Investments, Statement of Operations) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Investments [Abstract] | |||
| Total revenue | $ 6,392 | $ 5,360 | $ 4,356 |
| Total expenses | (2,300) | (1,995) | (1,803) |
| Net earnings (losses) | 4,092 | 3,365 | 2,553 |
| Equity in net earnings (losses) included above | 409 | 247 | 216 |
| Equity in net earnings (losses) of limited partnership interests not included above | 123 | 103 | 32 |
| Total equity in net earnings (losses) | $ 532 | $ 350 | $ 248 |
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- Definition Equity in net earnings included above in other assets. No definition available.
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- Definition Equity in net earnings of limited partnership interests not included above in other liabilities. No definition available.
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- Definition The amount of the cost of sales reported by an equity method investment of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of income (loss) from continuing operations reported by an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) reported by an equity method investment of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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