INCOME TAXES (Details - Assessment of Deferred Tax Asset (liabilities) Valuation Allowance) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Net deferred tax assets (liabilities) on a U.S. GAAP basis
Valuation allowance	$ (1,330)	$ (1,427)
Net deferred tax assets (liabilities)	12,390	12,931
Net foreign, state & local deferred tax assets	13,720	14,358
Net U.S, foreign, state & local deferred tax assets	12,624	13,146
Net foreign, state & local deferred tax liabilities	(6,575)	(4,323)
Deferred tax asset - U.S. consolidated income tax group
Net deferred tax assets (liabilities) on a U.S. GAAP basis
Net U.S. consolidated return group deferred tax assets	16,502	14,622
Net deferred tax assets (liabilities) in Accumulated other comprehensive income	(4,259)	(2,055)
Valuation allowance	(237)	(90)
Net deferred tax assets (liabilities)	12,006	12,477
Deferred tax liability - foreign, state and local
Net deferred tax assets (liabilities) on a U.S. GAAP basis
Valuation allowance	(1,093)	(1,337)
Net deferred tax assets (liabilities)	384	454
Net foreign, state & local deferred tax assets	1,711	2,006
Net foreign, state & local deferred tax liabilities	(234)	(215)
Net deferred tax assets (liabilities)	$ 618	$ 669