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Accounting for Derivatives (Details) (USD $)	9 Months Ended								3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Interest rate hedges Designated as a hedging instrument	Dec. 31, 2013 Interest rate hedges Designated as a hedging instrument	Sep. 30, 2014 Interest rate hedges Designated as a hedging instrument Intangible and other assets, net	Dec. 31, 2013 Interest rate hedges Designated as a hedging instrument Intangible and other assets, net	Sep. 30, 2014 Interest rate hedges Designated as a hedging instrument Accrued liabilities	Dec. 31, 2013 Interest rate hedges Designated as a hedging instrument Accrued liabilities	Sep. 30, 2014 Interest rate hedges Designated as a hedging instrument Exterran Partners, L.P.	May 31, 2013 Interest rate hedges Terminated hedge, May 2013 Exterran Partners, L.P.	Sep. 30, 2014 Interest rate hedges Derivative expiring in 2018 Designated as a hedging instrument Exterran Partners, L.P.	Sep. 30, 2014 Interest rate hedges Derivative expiring in 2019 Designated as a hedging instrument Exterran Partners, L.P.
Fair Value Asset (Liability)
Notional value of interest rate swaps entered into during the period									$ 150,000,000
Notional amount of interest rate swaps									400,000,000	250,000,000	300,000,000	100,000,000
Weighted average effective fixed interest rate on interest rate swaps (as a percent)									1.60%
Interest income recorded due to ineffectiveness related to interest rate swaps	0	0
Deferred pre-tax loss to be reclassified during next 12 months	6,000,000
Derivatives asset designated as hedging instruments, Fair value					2,925,000	322,000
Derivatives liability designated as hedging instruments, Fair value							(5,225,000)	(3,374,000)		(8,800,000)
Total derivatives, Fair value			$ (2,300,000)	$ (3,052,000)

X

- Definition

Aggregate notional amount specified by the derivative(s) entered into during the period. Expressed as an absolute value.

+ References

No definition available.

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 22

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 22

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313



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-Topic 210

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- Definition

The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

-Section 50

-Paragraph 1

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