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Acquisitions and Dispositions - (Schedule of Capital Expenditures and Significant Noncash Items Reported As Discontinued Operations) (Parenthetical) (Detail) $ in Millions | 1 Months Ended
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Nov. 30, 2021 USD ($)
Wexpro | Natural Gas Gathering Systems | Questar Gas and Wexpro |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Payments to acquire existing natural gas gathering systems | $ 41

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- Definition The cash outflow to purchase long lived physical asset use for the normal oil and gas operations and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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