XML 75 R61.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Fair Value Measurements - Additional Information (Details) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) Derivative	Dec. 31, 2023 Derivative
Fair Value Disclosures [Abstract]
Estimated fair value of derivative instruments, net liability	$ 97.6
Derivative fair value of net liability if commodity price increases by 10 percent	213.8
Derivative fair value of net asset if commodity price decreases by 10 percent	$ (18.6)
Derivative contract categorized as Level 3 | Derivative	0	0

X

- Definition

Fair value as of the balance sheet date of the assets less the liabilities of a derivative or group of derivatives if the commodity price decreases by 10 percent.

+ References

No definition available.

+ Details

Name:	trgp_DerivativeFairValueOfAssetLiabilityNetIfCommodityPriceDecreasesBy10Percent
Namespace Prefix:	trgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value as of the balance sheet date of the assets less the liabilities of a derivative or group of derivatives if the commodity price increases by 10 percent.

+ References

No definition available.

+ Details

Name:	trgp_DerivativeFairValueOfAssetLiabilityNetIfCommodityPriceIncreasesBy10Percent
Namespace Prefix:	trgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Number of derivative contract categorized as level 3.

+ References

No definition available.

+ Details

Name:	trgp_NumberOfDerivativeContractCategorizedAsLevel3
Namespace Prefix:	trgp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-10

+ Details

Name:	us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration