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Debt Obligations - Range of Interest Rates and Weighted Average Interest Rate Incurred on Variable Rate Debt Obligations (Details) | Dec. 31, 2020
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TRC Revolver [Member] |
Debt Instrument [Line Items] |
Weighted average interest rate incurred | 2.30%
TRP Revolver [Member] |
Debt Instrument [Line Items] |
Weighted average interest rate incurred | 2.20%
Targa Resources Partners LP [Member] | Securitization Facility |
Debt Instrument [Line Items] |
Weighted average interest rate incurred | 2.00%
Minimum [Member] | TRC Revolver [Member] |
Debt Instrument [Line Items] |
Range of interest rates incurred | 1.90%
Minimum [Member] | TRP Revolver [Member] |
Debt Instrument [Line Items] |
Range of interest rates incurred | 1.90%
Minimum [Member] | Targa Resources Partners LP [Member] | Securitization Facility |
Debt Instrument [Line Items] |
Range of interest rates incurred | 1.50%
Maximum [Member] | TRC Revolver [Member] |
Debt Instrument [Line Items] |
Range of interest rates incurred | 3.50%
Maximum [Member] | TRP Revolver [Member] |
Debt Instrument [Line Items] |
Range of interest rates incurred | 6.00%
Maximum [Member] | Targa Resources Partners LP [Member] | Securitization Facility |
Debt Instrument [Line Items] |
Range of interest rates incurred | 2.70%

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
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