GENERAL - Narrative (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	9 Months Ended
	Aug. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Variable Interest Entity, Primary Beneficiary
Summary of Significant Accounting Policies [Line Items]
Construction in progress		$ 672
BlackRock, Inc.
Summary of Significant Accounting Policies [Line Items]
Equity method investment commitments			$ 550
WES Midstream
Summary of Significant Accounting Policies [Line Items]
Number of limited partner units sold (in shares)	19.5
Proceeds from sale of limited partner units	$ 697
Gain on sale	$ 489
Limited partner interest		43.50%
Non-voting limited partner interest		2.00%
Effective economic interest		46.00%
WES Midstream | WES Midstream
Summary of Significant Accounting Policies [Line Items]
Non-voting general partner interest		2.30%