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IMPAIRMENT REVERSALS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disclosure of impairment loss and reversal of impairment loss [line items]
Impairment (reversals) charges	$ (1,423)	$ 900
Impairment (reversals) of long lived assets
Disclosure of impairment loss and reversal of impairment loss [line items]
Impairment (reversals) charges	(1,423)	722
Intangible assets other than goodwill [member]
Disclosure of impairment loss and reversal of impairment loss [line items]
Impairment (reversals) charges	0	24
Goodwill
Disclosure of impairment loss and reversal of impairment loss [line items]
Impairment (reversals) charges	$ 0	$ 154

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- Definition

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

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No definition available.

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- Definition

The amount of impairment loss, impairment gain or reversal of impairment loss that is recognised in profit or loss in accordance with paragraph 5.5.8 of IFRS 9 and that arises from applying the impairment requirements in Section 5.5 of IFRS 9.

+ References

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