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UNCONSOLIDATED AFFILIATES (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |
Equity in net earnings from investments | $ 40 | $ 36
Unconsolidated Affiliates [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Related Party Transaction, Expenses from Transactions with Related Parties | 28 | 15
Northern Border Pipeline |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity in net earnings from investments | 24 | 20
Overland Pass Pipeline |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity in net earnings from investments | 9 | 5
Roadrunner |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity in net earnings from investments | 7 | 9
Other Unconsolidated Affiliates |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity in net earnings from investments | $ 0 | $ 2

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