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UNCONSOLIDATED AFFILIATES -Schedule of Equity in Net Earnings from Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	$ 92	$ 49	$ 256	$ 132
Northern Border
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	25	20	72	58
Overland Pass
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	23	17	61	39
Saddlehorn
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	13	0	36	0
Roadrunner
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	9	10	30	32
BridgeTex
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	7	0	25	0
MVP
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	3	0	10	0
Other
Schedule of Equity Method Investments [Line Items]
Equity in net earnings from investments	$ 12	$ 2	$ 22	$ 3

X

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