INCOME TAX 6 (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Examination Paragraph Details [Abstract]
Income tax Examination Unrecognized Tax Benefits From Examination	$ 556	$ 413	$ 304
Income Tax Examination Estimated Interest and Penalties From Examination	80	73	45
Income Tax Examination Accrued Interest and Penalties From Examination	$ 507	$ 487	$ 426

The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant