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

At December 31, 2019, Federal Home Loan Bank advances had a weighted average maturity of 160 days. The commercial paper outstanding had a weighted average remaining maturity of 45 days. The short-term debt due to MUFG Bank, Ltd. had a weighted average remaining maturity of 55 days and the short-term debt due to affiliates had a weighted average remaining maturity of 141 days.

Short-term debt due to MUFG Bank, Ltd. consists of both secured and unsecured fixed and floating rate borrowings.

MUSA maintains an uncommitted, unsecured lending facility with Mitsubishi UFJ Securities Holdings Co., Ltd. under which it may borrow up to JPY 160 billion (USD $1.5 billion equivalent). Under the terms of the facility, MUSA can choose to borrow in Japanese Yen or U.S. Dollars. Japanese Yen denominated borrowings include an extension option allowing MUSA to extend the maturity of an individual draw by 100 days at any time prior to its original, stated maturity. At December 31, 2019, MUSA had JPY 28 billion (USD $257 million equivalent) drawn under this facility.