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No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Investments in Unconsolidated Affiliates - Additional Information (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023	Apr. 30, 2022 JointVenture	Feb. 28, 2022
Schedule Of Equity Method Investments [Line Items]
Gain (loss) from sale of equity-method investment		$ 435.9
GCX DevCo JV [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest					25.00%
Gain (loss) from sale of equity-method investment		$ 435.9
T2 La Salle
Schedule Of Equity Method Investments [Line Items]
Non-cash pre-tax impairment losses	$ 29.9
T2 Eagle Ford [Member]
Schedule Of Equity Method Investments [Line Items]
Non-cash pre-tax impairment losses	$ 47.3
South Texas Acquisition
Schedule Of Equity Method Investments [Line Items]
Number of operated joint ventures \| JointVenture				2
Targa Resources Partners LP [Member] \| Gulf Coast Fractionators LP [Member] \| Logistics and Transportation [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest			38.80%
Targa Resources Partners LP [Member] \| Cayenne Joint Venture [Member] \| Logistics and Transportation [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest			50.00%
Targa Resources Partners LP [Member] \| Cayenne Joint Venture [Member] \| Gathering and Processing [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest			50.00%
Targa Resources Partners LP [Member] \| Little Missouri 4 [Member] \| Gathering and Processing [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest			50.00%
Targa Resources Partners LP [Member] \| South Texas Acquisition
Schedule Of Equity Method Investments [Line Items]
Number of operated joint ventures \| JointVenture				2
Targa Resources Partners LP [Member] \| South Texas Acquisition \| T2 Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest				100.00%
Targa Resources Partners LP [Member] \| South Texas Acquisition \| T2 La Salle
Schedule Of Equity Method Investments [Line Items]
Ownership interest				75.00%
Targa Resources Partners LP [Member] \| South Texas Acquisition \| T2 Eagle Ford [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest				50.00%