Equity Investments (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||
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Sep. 30, 2020 | |||||||||||||||||||||||||||||
| Investments, Debt and Equity Securities [Abstract] | |||||||||||||||||||||||||||||
| Equity Securities without Readily Determinable Fair Value | The changes in the carrying value of equity investments for the nine months ended September 30, 2020 are as follows (in millions):
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