SUPPLEMENTAL FINANCIAL INFORMATION Other Current Assets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Other Current Assets [Abstract]
Prepaid and refundable income taxes	$ 2,493	$ 1,799
Research and Development	510	492
Equity investments	160	619
Other	1,069	787
Other current assets	4,372	3,786
Restricted Cash	339		$ 425
Other current assets	4,372	3,786
Other Current Assets [Member]
Restricted Cash	$ 140	$ 89

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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