INCOME TAXES (Provision for Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Current Income Tax Expense	$ 1,002	$ 566	$ 3,304
Current Foreign Tax Expense (Benefit)	1,437	410	399
Total Current Income Tax Expense	2,439	976	3,703
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Deferred Income Tax Expense/(Benefit)	(113)	(51)	541
Non-U.S. Deferred Income Tax Expense/(Benefit)	(811)	96	(88)
Total Deferred Income Tax Expense/(Benefit)	(924)	45	453
Provision for Income Taxes	$ 1,515	$ 1,021	$ 4,156