INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Line Items]
Earnings Before Income Taxes	$ 1,349	$ 2,167	$ 5,104	$ 4,463
Income Tax Expense (Benefit)	$ (17)	$ 255	$ 584	$ 674
Effective Income Tax Rate Reconciliation, Percent	(1.30%)	11.80%	11.40%	15.10%
Decrease in Effective Income Tax Rate due to Discrete Items	13.10%	1.50%	3.60%	0.80%
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	$ 81	$ 49
Document Period End Date			Sep. 30, 2019
Minimum [Member]
Income Tax Disclosure [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	300		$ 300
Maximum [Member]
Income Tax Disclosure [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 340		$ 340