ACQUISITIONS OF CONSOLIDATED ENTITIES - Schedule of Balance Sheet Impact on Significant Business Combinations (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Disclosure of detailed information about business combination [line items]
Goodwill	$ 13,816	$ 14,550
Less:
Revenue of combined entity as if combination occurred at beginning of period	100
Profit (loss) of combined entity as if combination occurred at beginning of period	$ 4

No definition available.

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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 assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

+ References

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- Definition

The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Profit (loss)]

+ References

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- Definition

The revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Revenue]

+ References

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