Debt Obligations - Compliance with Debt Covenants - Additional Information (Details) $ in Millions	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Senior unsecured notes	$ 11,374.7
Senior Unsecured Notes [Member] \| Targa Resources Partners LP and Targa Resources Partners Finance Corporation "TRP Issuers" [Member]
Debt Instrument [Line Items]
Senior unsecured notes	$ 5,000.0

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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