XML 62 R48.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Other Long-term Liabilities - Components of Deferred Revenue (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred Revenue Arrangement [Line Items] |  |
Total deferred revenue | $ 118.3 | $ 248.8
Contributions in Aid of Construction [Member] |  |
Deferred Revenue Arrangement [Line Items] |  |
Total deferred revenue | 87.2 | 86.4
Gas Contract Amendment [Member] |  |
Deferred Revenue Arrangement [Line Items] |  |
Total deferred revenue | 28.6 | 29.8
Splitter Agreement [Member] |  |
Deferred Revenue Arrangement [Line Items] |  |
Total deferred revenue |  | 129.0
Other Deferred Revenue [Member] |  |
Deferred Revenue Arrangement [Line Items] |  |
Total deferred revenue | $ 2.5 | $ 3.6

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DeferredRevenueArrangementLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=trgp_ContributionsInAidOfConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=trgp_GasContractAmendmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=trgp_SplitterAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=trgp_OtherDeferredRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |