Quarterly report pursuant to Section 13 or 15(d)

Notional Amounts of Outstanding Derivative Positions (Detail)

v3.19.2
Notional Amounts of Outstanding Derivative Positions (Detail)
€ in Millions, ₨ in Millions, £ in Millions, $ in Millions, $ in Millions, $ in Millions
Jun. 30, 2019
USD ($)
Jun. 30, 2019
GBP (£)
Jun. 30, 2019
CAD ($)
Jun. 30, 2019
INR (₨)
Jun. 30, 2019
EUR (€)
Jun. 30, 2019
SGD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
GBP (£)
Dec. 31, 2018
CAD ($)
Dec. 31, 2018
INR (₨)
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
SGD ($)
Derivative [Line Items]                        
Derivative, Notional Amount   £ 1,806 $ 1,444 ₨ 3,629 € 4,793 $ 0   £ 2,037 $ 1,443 ₨ 3,642 € 4,924 $ 20
Fixed to Floating Interest Rate Swaps                        
Derivative [Line Items]                        
Derivative, Notional Amount $ 3,674           $ 4,674          
Floating to Fixed Interest Rate Swaps                        
Derivative [Line Items]                        
Derivative, Notional Amount $ 778           $ 778