NON-WHOLLY OWNED SUBSIDIARIES - Summarized Cash Flow Activities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of subsidiaries [line items]
Operating	$ 1,743	$ 1,059	$ 893
Investing	(1,110)	(3,174)	(1,047)
Financing	(428)	2,183	(4)
Non-Wholly Owned Subsidiaries
Disclosure of subsidiaries [line items]
Operating	2,000	1,292	1,076
Investing	(1,217)	(3,571)	(512)
Financing	(577)	2,395	(723)
Brazilian regulated gas transmission operation
Disclosure of subsidiaries [line items]
Operating	585	739	783
Investing	(178)	(36)	(80)
Financing	(158)	(742)	(824)
U.K. regulated distribution operation
Disclosure of subsidiaries [line items]
Operating	282	226	293
Investing	(439)	(487)	(432)
Financing	113	309	$ 101
Global intermodal logistics operation
Disclosure of subsidiaries [line items]
Operating	1,133	327
Investing	(600)	(3,048)
Financing	$ (532)	$ 2,828

The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity, from continuing and discontinued operations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2024-01-01
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The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents, from continuing and discontinued operations.

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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