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FINANCE COSTS, NET (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Detailed Information about Finance Income (Expense) [Line Items] |  |
Interest | $ 342 | $ 435
Amortization of debt issue costs | 2 | 2
Amortization of premium | (1) | (1)
Interest expense on lease liabilities | 5 | 6
Gain on interest rate hedges | (5) | (6)
Interest capitalized | (24) | (14)
Accretion | 41 | 75
Loss on debt extinguishment | 15 | 3
Finance income | (28) | (31)
Total | 347 | 469
Interest paid, classified as operating activities | $ 295 | $ 333
Capitalisation rate of borrowing costs eligible for capitalisation | 5.90% | 6.30%

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- Definition The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2019-01-01 -Paragraph 26 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2019-en-r&anchor=para_26_b&doctype=Standard -URIDate 2019-03-27 + Details
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