Other Current Assets & Other Current Liabilities - Other Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Other Current Assets and Other Current Liabilities [Abstract]
Value-added tax receivables	$ 323.1	$ 532.5
Prepaid expenses	152.2	136.2
Other taxes receivables	92.2	155.8
Held-to-maturity investments	60.0	60.0
Asset held for sale	33.9	50.2
Available-for-sale securities		9.9
Other	205.0	261.6
Total other current assets	$ 866.4	$ 1,206.2

Other Current Assets and Other Current Liabilities [Abstract]

No definition available.

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- Definition

Fair value portion of assets classified as held for sale.

+ References

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-Publisher FASB
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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

+ References

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and other tax receivables expected to be realized or consumed within one year or operating cycle, if longer.

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No definition available.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle.

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- Definition

Amount of current assets classified as other.

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Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

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