INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Reconciliation of changes in intangible assets other than goodwill [abstract]
Beginning Balance	$ 11,559
Ending Balance	10,820	$ 11,559
Gross Carrying Amount
Reconciliation of changes in intangible assets other than goodwill [abstract]
Beginning Balance	12,504	6,001
Additions	126	231
Dispositions	(70)	(32)
Acquisitions through business combinations	144	6,816
Assets reclassified as held for sale	0	(436)
Foreign currency translation	(676)	(76)
Ending Balance	12,028	12,504
Accumulated Amortization and impairment
Reconciliation of changes in intangible assets other than goodwill [abstract]
Beginning Balance	(945)	(478)
Amortization/impairment expense	(395)	(582)
Dispositions	(69)	(22)
Assets reclassified as held for sale	0	(97)
Foreign currency translation	63	(4)
Ending Balance	$ (1,208)	$ (945)

The increase in intangible assets other than goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2019-01-01
-Paragraph 118
-Subparagraph e
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The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill]

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The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill]

+ References

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The decrease in intangible assets other than goodwill resulting from classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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The decrease in intangible assets other than goodwill resulting from disposals. [Refer: Intangible assets other than goodwill]

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The increase (decrease) in intangible assets other than goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]

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