Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2019

Related Party Transactions [Abstract]

Schedule of Related Party Transactions [Table Text Block]

Transactions and balances with ProPetro are as follows:

	Year Ended December 31,
	2019		2018
	(in millions)
Pressure pumping related services charges (a)	$	461	$	111

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(a)Represents pressure pumping and related services provided by ProPetro as part of a long-term agreement. The 2018 amount represents charges associated with the pressure pumping and related services performed by ProPetro in the normal course of business prior to the Company's sale of its pressure pumping assets to ProPetro.

	As of December 31,
	2019		2018
	(in millions)
Accounts receivable - due from affiliate (a)	$	3	$	119
Accounts payable - due to affiliate (b)	$	88	$	37