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Discontinued Operations (Details) - St. Joe and Doe Run - Discontinued operations sold $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Discontinued Operations
After-tax loss from discontinued operations in connection with reassessment of estimated loss contingencies	$ 6
Loss from discontinued operations in connection with reassessment of estimated loss contingencies, taxes	$ 3

X

- Definition

Amount after tax of an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

+ References

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Amount of tax expense (benefit) for an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

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