Commercial Paper and Other Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2019

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)	December 31, 2019		December 31, 2018
Debt issued by MUB
Commercial paper, with a weighted average interest rate of 1.98% and 2.39% at December 31, 2019 and December 31, 2018, respectively	$	58	$	382
Federal Home Loan Bank advances, with a weighted average interest rate of 1.86% and 2.52% at December 31, 2019 and December 31, 2018, respectively	6,100		7,800
Total debt issued by MUB	6,158		8,182
Debt issued by other MUAH subsidiaries
Short-term debt due to MUFG Bank, Ltd., with weighted average interest rates of 2.27% and 3.01% at December 31, 2019 and December 31, 2018, respectively	69		145
Short-term debt due to affiliates, with weighted average interest rates of (-0.10)% and (-0.07)% at December 31, 2019 and December 31, 2018, respectively	257		936
Total debt issued by other MUAH subsidiaries	326		1,081
Total commercial paper and other short-term borrowings	$	6,484	$	9,263