v3.19.1
Short-Term Borrowings - Unsecured Short-Term Borrowings (Detail) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
Current portion of unsecured long-term borrowings $ 29,615 $ 27,476
Hybrid financial instruments 13,629 10,908
Other unsecured short-term borrowings 2,188 2,118
Total unsecured short-term borrowings $ 45,432 $ 40,502
Unsecured short-term debt, weighted average interest rate, after giving effect to hedging activities 2.40% 2.51%