Summary of Significant Accounting Policies - Narrative (Details) shares in Thousands, a in Thousands, $ in Millions	1 Months Ended		12 Months Ended
	Oct. 31, 2021 USD ($) a shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2021 USD ($) segment gas_processing_plant	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 01, 2021 a
Summary Of Significant Accounting Policies [Line Items]
Allowances for doubtful accounts			$ (9)	$ (3)
Proceeds from disposition of assets			$ 3,244	60	$ 149
Number of gas processing plants | gas_processing_plant			11
Revenue - service revenue			$ 17,870	7,024
Stock-based compensation awards general vesting period			3 years
Reportable operating segments | segment			1
ProPetro
Summary Of Significant Accounting Policies [Line Items]
Revenue - service revenue			$ 628	635
Cost of services (exclusive of depreciation and amortization)			$ 475	469
Pressure pumping assets | Sale assets | ProPetro
Summary Of Significant Accounting Policies [Line Items]
Cash proceeds		$ 110
Shares received (in shares) | shares		16,600
Laredo Petroleum, Inc. | Sold
Summary Of Significant Accounting Policies [Line Items]
Shares received (in shares) | shares	960
Area of land | a	20					20
Proceeds from disposition of assets	$ 137
Minimum | Buildings
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life			20 years
Minimum | Water infrastructure
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life			3 years
Minimum | Equipment, vehicles, furniture and fixtures and information technology
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life			3 years
Maximum | Buildings
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life			39 years
Maximum | Water infrastructure
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life			50 years
Maximum | Equipment, vehicles, furniture and fixtures and information technology
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life			10 years
Natural Gas, Gathering, Transportation, Marketing and Processing
Summary Of Significant Accounting Policies [Line Items]
Revenue - service revenue			$ (271)	178	140
Cost of services (exclusive of depreciation and amortization)			$ 61	$ 76	$ 65
ProPetro | ProPetro
Summary Of Significant Accounting Policies [Line Items]
Percent ownership			16.00%