INCOME TAXES - INCOME TAX RATE RECONCILIATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Income Tax (Expense) Benefit
Income from operations before income tax	$ 996	$ 1,051	$ 734
Income tax rate (as a percent)	35.00%	35.00%	35.00%
Income tax expense at the U.S. Federal tax rate	$ 349	$ 368	$ 257
Adjustments to derive effective tax rate:
Foreign earnings taxed at different statutory rates	(68)	(16)	(37)
Valuation allowances	(44)	44	112
Fiscal incentives	(34)	(41)	(41)
Foreign exchange on monetary items	5	(5)	(24)
Tax rate changes	4	1	4
Non-deductible expenses	3	16	38
Uncertain tax positions	89	(14)	6
Deferred balance adjustments		(8)	25
Equity distributions		(64)	(32)
Foreign income taxed in Brazil			(93)
Tax credits	(89)
Other	5	15	34
Total income tax expense (benefit)	$ 220	$ 296	$ 249