Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Notional Amounts of Outstanding Derivative Positions (Detail)

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DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Notional Amounts of Outstanding Derivative Positions (Detail)
€ in Millions, ₨ in Millions, £ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions
Dec. 31, 2018
USD ($)
Dec. 31, 2018
GBP (£)
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
CAD ($)
Dec. 31, 2018
MXN ($)
Dec. 31, 2018
SGD ($)
Dec. 31, 2018
HKD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
GBP (£)
Dec. 31, 2017
EUR (€)
Dec. 31, 2017
CAD ($)
Dec. 31, 2017
INR (₨)
Dec. 31, 2017
MXN ($)
Dec. 31, 2017
SGD ($)
Derivative [Line Items]                            
Derivative, Notional Amount   £ 2,037 € 4,924 $ 1,443 $ 0 $ 20 $ 3,642   £ 1,736 € 4,942 $ 1,259 ₨ 0 $ 169 $ 11
Fixed to Floating Interest Rate Swaps                            
Derivative [Line Items]                            
Derivative, Notional Amount $ 4,674             $ 5,424            
Floating to Fixed Interest Rate Swaps                            
Derivative [Line Items]                            
Derivative, Notional Amount $ 778             778            
Price Risk Derivative [Member]                            
Derivative [Line Items]                            
Derivative, Notional Amount     € 0         $ 64