v3.22.0.1
Unsecured Borrowings - Unsecured Short-Term Borrowings (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
Current portion of unsecured long-term borrowings $ 18,118 $ 25,914
Hybrid financial instruments 20,073 18,823
Commercial Paper 6,730 6,085
Other unsecured short-term borrowings 2,034 2,048
Total unsecured short-term borrowings $ 46,955 $ 52,870
Weighted average interest rate 2.34% 1.84%