Capital Lease Obligation (Details) - Midcon Compression, L.L.C. [Member] - Natural gas compressors [Member] $ in Millions	12 Months Ended
Dec. 31, 2018 USD ($)
Capital Leased Assets [Line Items]
Lease terms	38 months
Minimum Lease Payments, Sale Leaseback Transactions [Abstract]
2019	$ 10
2020	10
2021	10
Total minimum lease payments	30
Less imputed interest	(3)
Present value of minimum lease payments	27
Less current maturities	(10)
Present value of minimum lease payment, less current maturities	$ 17

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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