Commercial Paper and Other Short-Term Borrowings (Tables)

3 Months Ended

Mar. 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)	March 31, 2019		December 31, 2018
Debt issued by MUB
Commercial paper, with a weighted average interest rate of 2.44% and 2.39% at March 31, 2019 and December 31, 2018, respectively	$	898	$	382
Federal Home Loan Bank advances, with a weighted average interest rate of 2.58% and 2.52% at March 31, 2019 and December 31, 2018, respectively	7,100		7,800
Total debt issued by MUB	7,998		8,182
Debt issued by other MUAH subsidiaries
Short-term debt due to MUFG Bank, Ltd., with weighted average interest rates of 3.00% and 3.01% at March 31, 2019 and December 31, 2018, respectively	88		145
Short-term debt due to affiliates, with weighted average interest rates of (-0.09)% and (-0.07)% at March 31, 2019 and December 31, 2018, respectively	757		936
Total debt issued by other MUAH subsidiaries	845		1,081
Total commercial paper and other short-term borrowings	$	8,843	$	9,263