SUPPLEMENTAL FINANCIAL INFORMATION Other Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Other Current Assets [Abstract]
Prepaid Taxes	$ 1,799	$ 754
Research and Development	492	410
Assets Held-for-sale, Not Part of Disposal Group, Current	619	0
Other Prepaid Expense, Current	876	819
Other current assets	$ 3,786	$ 1,983

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Research and Development

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Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

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Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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