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DERIVATIVE AND NON-DERIVATIVE FINANCIAL INSTRUMENTS Part 3 (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]      
Sales $ 2,380 $ 2,607  
Cost of sales 1,806 2,026  
Net interest expense 56 59  
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]      
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (1)   $ 7
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]      
Change in cumulative translation adjustment, before tax 30 27  
Summary of Derivative Instruments [Abstract]      
Monetized positions and mark to market in accumulated other comprehensive income before tax (49)   $ (112)
Price Risk Cash Flow Hedge Unrealized Gain to be Reclassified During Next 12 Months (3)    
Commodity Contract [Member] | Cash Flow Hedging [Member]      
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]      
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax 7 (11)  
Commodity Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]      
Pre-tax Amount of Gain (Loss) reclassified From Accumulated Other Comprehensive Income Into Income (Effective Portion) [Abstract]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (3) (2)  
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]      
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]      
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax 1 (13)  
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Sales [Member]      
Pre-tax Amount of Gain (Loss) reclassified From Accumulated Other Comprehensive Income Into Income (Effective Portion) [Abstract]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net 6 3  
Interest Rate Swap [Member] | Cash Flow Hedging [Member]      
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]      
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax 1 1  
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Net Interest Expense      
Pre-tax Amount of Gain (Loss) reclassified From Accumulated Other Comprehensive Income Into Income (Effective Portion) [Abstract]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (1) (1)  
Foreign Exchange [Member] | Net Investment Hedging [Member]      
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]      
Change in cumulative translation adjustment, before tax 26 (42)  
Not Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (3) (8)  
Cross Currency Interest Rate Contract [Member] | Net Investment Hedging [Member]      
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]      
Change in cumulative translation adjustment, before tax 19 (11)  
AOCI, Derivative Qualifying as Hedge, Excluded Component $ 6 $ (11)