Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Balance sheet location of derivative assets and liabilities and their related fair values (Detail)

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DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Balance sheet location of derivative assets and liabilities and their related fair values (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Fair Value, Inputs, Level 2    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives $ 432 $ 361
Derivative Liability, Fair Value, Gross Liability 37 67
Derivative Liability, Fair Value, Amount Offset Against Collateral 12 35
Net Amounts if Right of Offset had been Applied 407 329
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign exchange contracts | Other current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 138 90
Net Amounts if Right of Offset had been Applied 131 83
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign exchange contracts | Other non-current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 252 230
Net Amounts if Right of Offset had been Applied 236 215
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign exchange contracts | Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability (7) 7
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 0
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign exchange contracts | Other non-current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 16 15
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 0
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest rate contracts | Other current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 2 1
Net Amounts if Right of Offset had been Applied 2 1
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest rate contracts | Other non-current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 21 14
Net Amounts if Right of Offset had been Applied 20 6
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest rate contracts | Other non-current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 11 41
Derivative Liability, Fair Value, Amount Offset Against Collateral 10 33
Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument | Foreign exchange contracts | Other current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 7 7
Net Amounts if Right of Offset had been Applied 7 5
Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument | Foreign exchange contracts | Other non-current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 0 1
Net Amounts if Right of Offset had been Applied 0 1
Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument | Foreign exchange contracts | Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 0 3
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 1
Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument | Foreign exchange contracts | Other non-current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 0 1
Derivative Liability, Fair Value, Amount Offset Against Collateral 0 1
Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument | Interest rate contracts | Other non-current assets    
Derivatives, Fair Value [Line Items]    
Gross Amounts Presented in Consolidated Balance Sheets, Asset Derivatives 12 18
Net Amounts if Right of Offset had been Applied 11 18
Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument | Interest rate contracts | Other non-current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 3 0
Derivative Liability, Fair Value, Amount Offset Against Collateral 2 0
Estimate of Fair Value Measurement [Member] | Designated as Hedging Instrument | Other Noncurrent Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 17  
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) 40 16
Reported Value Measurement [Member] | Designated as Hedging Instrument | Other Noncurrent Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability $ 3,234 $ 4,207