Commercial Paper and Other Short-Term Borrowings (Tables)

9 Months Ended

Sep. 30, 2020

Short-term Debt [Abstract]

Summary of Commercial Paper and Other Short-Term Borrowings

The following table is a summary of the Company's commercial paper and other short-term borrowings.

(Dollars in millions)	September 30, 2020		December 31, 2019
Debt issued by MUB
Commercial paper, with a weighted average interest rate of 0.73% and 1.98% at September 30, 2020 and December 31, 2019, respectively	$	514	$	58
Federal Home Loan Bank advances, with a weighted average interest rate of 0.21% and 1.86% at September 30, 2020 and December 31, 2019, respectively	250		6,100
Total debt issued by MUB	764		6,158
Debt issued by other MUAH subsidiaries
Short-term debt due to MUFG Bank, Ltd., with weighted average interest rates of 0.57% and 2.27% at September 30, 2020 and December 31, 2019, respectively	9		69
Short-term debt due to affiliates, with weighted average interest rates of (-0.08)% and (-0.10)% at September 30, 2020 and December 31, 2019, respectively	76		257
Total debt issued by other MUAH subsidiaries	85		326
Total commercial paper and other short-term borrowings	$	849	$	6,484