NON-WHOLLY OWNED SUBSIDIARIES - Summarized Cash Flow Activities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of subsidiaries [line items]
Operating	$ 893	$ 839	$ 730
Investing	(1,047)	326	(399)
Financing	(4)	(868)	(317)
Non-Wholly Owned Subsidiaries
Disclosure of subsidiaries [line items]
Operating	1,076	1,041	875
Investing	(512)	312	(406)
Financing	(723)	(1,055)	(455)
U.K. regulated distribution operation
Disclosure of subsidiaries [line items]
Operating	293	273	241
Investing	(432)	344	(372)
Financing	101	(582)	133
Brazilian regulated gas transmission operation
Disclosure of subsidiaries [line items]
Operating	783	768	634
Investing	(80)	(32)	(34)
Financing	$ (824)	$ (473)	$ (588)

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
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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.

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The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue]

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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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No definition available.

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