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Intangible Assets and Goodwill, Significant Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Identifiable intangible assets [Abstract]
Gross Value	$ 5,891	$ 4,900
Accumulated Amortization	(1,926)	(1,749)
Carrying Value	3,965	$ 3,151	$ 3,309
Customer relationship intangibles [Member]
Identifiable intangible assets [Abstract]
Carrying Value	2,800
Customer relationship intangibles [Member] | EFS Midstream [Member]
Identifiable intangible assets [Abstract]
Gross Value	1,410
Accumulated Amortization	(269)
Carrying Value	$ 1,141
Weighted Average Remaining Amortization Period	19 years 4 months 24 days
Customer relationship intangibles [Member] | State Line and Fairplay [Member]
Identifiable intangible assets [Abstract]
Gross Value	$ 895
Accumulated Amortization	(278)
Carrying Value	$ 617
Weighted Average Remaining Amortization Period	24 years 2 months 12 days
Customer relationship intangibles [Member] | San Juan Gathering [Member]
Identifiable intangible assets [Abstract]
Gross Value	$ 331
Accumulated Amortization	(260)
Carrying Value	$ 71
Weighted Average Remaining Amortization Period	16 years 9 months 18 days
Customer relationship intangibles [Member] | Oiltanking Partners L.P. [Member]
Identifiable intangible assets [Abstract]
Gross Value	$ 1,193
Accumulated Amortization	(248)
Carrying Value	$ 945
Weighted Average Remaining Amortization Period	21 years
Contract-based intangibles [Member]
Identifiable intangible assets [Abstract]
Carrying Value	$ 1,100
Contract-based intangibles [Member] | Navitas Midstream Partners, LLC [Member]
Identifiable intangible assets [Abstract]
Gross Value	989
Accumulated Amortization	(19)
Carrying Value	$ 970
Weighted Average Remaining Amortization Period	29 years
Contract-based intangibles [Member] | Jonah Gas Gathering [Member]
Identifiable intangible assets [Abstract]
Gross Value	$ 224
Accumulated Amortization	(182)
Carrying Value	$ 42
Weighted Average Remaining Amortization Period	19 years
Contract-based intangibles [Member] | Delaware Basin Gas Processing LLC [Member]
Identifiable intangible assets [Abstract]
Gross Value	$ 82
Accumulated Amortization	(40)
Carrying Value	$ 42
Weighted Average Remaining Amortization Period	4 years

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Name Accounting Standards Codification
-Topic 350
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- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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