SUPPLEMENTAL FINANCIAL INFORMATION Other Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Other Current Assets [Abstract]
Prepaid and refundable income taxes	$ 2,258	$ 1,799
Research and Development	576	492
Equity investments	1,046	619
Other	983	787
Other current assets	5,037	3,786
Restricted Cash	373		$ 428
Other current assets	5,037	3,786
Other Current Assets [Member]
Restricted Cash	$ 174	$ 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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