FAIR VALUE OF FINANCIAL INSTRUMENTS - Financial Instrument Classification (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 |
Disclosure of financial assets [line items] | | |
Financial assets | $ 4,968 | $ 4,859 |
Derivative financial assets | 260 | 214 |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 18,835 | 18,907 |
Derivative financial liabilities | (118) | (71) |
Cash flow hedges | | |
Disclosure of financial assets [line items] | | |
Derivative financial assets | 260 | 208 |
Disclosure of financial liabilities [line items] | | |
Derivative financial liabilities | 77 | 42 |
FVOCI | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 113 | 70 |
Amortized cost | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 18,717 | 18,834 |
Fair value through profit or loss | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 5 | 3 |
Fair value through profit or loss | Cash flow hedges | | |
Disclosure of financial liabilities [line items] | | |
Derivative financial liabilities | 113 | 70 |
FVTPL | | |
Disclosure of financial assets [line items] | | |
Financial assets | 16 | 20 |
FVOCI | | |
Disclosure of financial assets [line items] | | |
Financial assets | 260 | 208 |
FVOCI | Cash flow hedges | | |
Disclosure of financial assets [line items] | | |
Derivative financial assets | 260 | 208 |
Amortized cost | | |
Disclosure of financial assets [line items] | | |
Financial assets | 4,692 | 4,631 |
Accounts payable and other (current and non-current) | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 4,407 | 4,757 |
Accounts payable and other (current and non-current) | FVOCI | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 113 | 70 |
Accounts payable and other (current and non-current) | Amortized cost | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 4,289 | 4,684 |
Accounts payable and other (current and non-current) | Fair value through profit or loss | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 5 | 3 |
Non-recourse borrowings in subsidiaries of the company (current and non-current) | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 13,171 | 12,913 |
Non-recourse borrowings in subsidiaries of the company (current and non-current) | FVOCI | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 0 | 0 |
Non-recourse borrowings in subsidiaries of the company (current and non-current) | Amortized cost | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 13,171 | 12,913 |
Non-recourse borrowings in subsidiaries of the company (current and non-current) | Fair value through profit or loss | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 0 | 0 |
Exchangeable And Class B Shares | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 1,257 | 1,237 |
Exchangeable And Class B Shares | FVOCI | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 0 | 0 |
Exchangeable And Class B Shares | Amortized cost | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 1,257 | 1,237 |
Exchangeable And Class B Shares | Fair value through profit or loss | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | 0 | 0 |
Provisions, decommissioning liabilities, deferred revenue, work in progress and post-employment benefits | | |
Disclosure of financial liabilities [line items] | | |
Financial liabilities | | 2,882 |
Derivative financial liabilities | 2,986 | |
Cash and cash equivalents | | |
Disclosure of financial assets [line items] | | |
Financial assets | 836 | 736 |
Cash and cash equivalents | FVTPL | | |
Disclosure of financial assets [line items] | | |
Financial assets | 0 | 0 |
Cash and cash equivalents | FVOCI | | |
Disclosure of financial assets [line items] | | |
Financial assets | 0 | 0 |
Cash and cash equivalents | Amortized cost | | |
Disclosure of financial assets [line items] | | |
Financial assets | 836 | 736 |
Accounts and other receivable, net (current and non-current) | | |
Disclosure of financial assets [line items] | | |
Financial assets | 2,983 | 3,191 |
Accounts and other receivable, net (current and non-current) | FVTPL | | |
Disclosure of financial assets [line items] | | |
Financial assets | 0 | 0 |
Accounts and other receivable, net (current and non-current) | FVOCI | | |
Disclosure of financial assets [line items] | | |
Financial assets | 0 | 0 |
Accounts and other receivable, net (current and non-current) | Amortized cost | | |
Disclosure of financial assets [line items] | | |
Financial assets | 2,983 | 3,191 |
Other assets (current and non-current) | | |
Disclosure of financial assets [line items] | | |
Financial assets | 513 | 435 |
Other assets (current and non-current) | FVTPL | | |
Disclosure of financial assets [line items] | | |
Financial assets | 0 | 0 |
Other assets (current and non-current) | FVOCI | | |
Disclosure of financial assets [line items] | | |
Financial assets | 0 | 0 |
Other assets (current and non-current) | Amortized cost | | |
Disclosure of financial assets [line items] | | |
Financial assets | 513 | 435 |
Financial assets (current and non-current) | | |
Disclosure of financial assets [line items] | | |
Financial assets | 636 | 497 |
Financial assets (current and non-current) | FVTPL | | |
Disclosure of financial assets [line items] | | |
Financial assets | 16 | 20 |
Financial assets (current and non-current) | FVOCI | | |
Disclosure of financial assets [line items] | | |
Financial assets | 260 | 208 |
Financial assets (current and non-current) | Amortized cost | | |
Disclosure of financial assets [line items] | | |
Financial assets | 360 | 269 |
Prepayments, assets held for sale and other non-financial assets | | |
Disclosure of financial assets [line items] | | |
Financial assets | $ 894 | $ 1,031 |