v3.3.1.900
INCOME TAXES - INCOME TAX RATE RECONCILIATION (DETAILS) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Reconciliation of Income Tax (Expense) Benefit      
Income from operations before income tax $ 1,051 $ 734 $ 1,014
Income tax rate (as a percent) 35.00% 35.00% 35.00%
Income tax expense at the U.S. Federal tax rate $ (368) $ (257) $ (355)
Adjustments to derive effective tax rate:      
Foreign earnings taxed at different statutory rates 16 37 30
Valuation allowances (44) (112) (642)
Fiscal incentives 41 41 48
Foreign exchange on monetary items 5 24 (13)
Tax rate changes (1) (4) (5)
Non-deductible expenses (16) (38) (44)
Uncertain tax positions 14 (6) (32)
Deferred balance adjustments 8 (25) (52)
Equity distributions 64 32 60
Foreign income taxed in Brazil   93 136
Other (15) (34) (35)
Income tax (expense) benefit $ (296) $ (249) $ (904)