Quarterly report pursuant to Section 13 or 15(d)

Notional Amounts of Outstanding Derivative Positions (Detail)

v3.19.1
Notional Amounts of Outstanding Derivative Positions (Detail)
€ in Millions, ₨ in Millions, £ in Millions, $ in Millions, $ in Millions, $ in Millions
Mar. 31, 2019
EUR (€)
Mar. 31, 2019
USD ($)
Mar. 31, 2019
GBP (£)
Mar. 31, 2019
INR (₨)
Mar. 31, 2019
CAD ($)
Mar. 31, 2019
SGD ($)
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
GBP (£)
Dec. 31, 2018
INR (₨)
Dec. 31, 2018
CAD ($)
Dec. 31, 2018
SGD ($)
Derivative [Line Items]                        
Derivative, Notional Amount € 4,784   £ 1,905 ₨ 3,707 $ 1,455 $ 0 € 4,924   £ 2,037 ₨ 3,642 $ 1,443 $ 20
Fixed to Floating Interest Rate Swaps                        
Derivative [Line Items]                        
Derivative, Notional Amount   $ 4,674           $ 4,674        
Floating to Fixed Interest Rate Swaps                        
Derivative [Line Items]                        
Derivative, Notional Amount   $ 778           $ 778