Commitments and Contingencies - Narrative (Details)	12 Months Ended
Dec. 31, 2016 USD ($)
Commitment and Contingencies [Line Items]
Estimate of possible loss	$ 96,000,000
Loss contingency accrual	35,000,000
Indirect tax contingency	35,000,000
Senior Notes [Member]
Commitment and Contingencies [Line Items]
Face amount of debt	$ 29,008,000,000
Accounts Receivable [Member] \| Geographic Concentration Risk [Member]
Commitment and Contingencies [Line Items]
Concentration risk (percent)	16.00%
Accounts Receivable [Member] \| U.K. [Member] \| Geographic Concentration Risk [Member]
Commitment and Contingencies [Line Items]
Concentration risk (percent)	25.30%
Accounts Receivable [Member] \| Germany [Member] \| Geographic Concentration Risk [Member]
Commitment and Contingencies [Line Items]
Concentration risk (percent)	20.60%
Accounts Receivable [Member] \| Brazil [Member] \| Geographic Concentration Risk [Member]
Commitment and Contingencies [Line Items]
Concentration risk (percent)	20.10%
Accounts Receivable [Member] \| Mexico [Member] \| Geographic Concentration Risk [Member]
Commitment and Contingencies [Line Items]
Concentration risk (percent)	16.40%
Administrative Offices And Other [Member] \| Maximum [Member]
Commitment and Contingencies [Line Items]
Term of contract	10 years

[Line Items] for Commitment and Contingencies [Table]

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- Definition

Indirect Tax Contingency

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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-Publisher FASB
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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of loss contingency liability.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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