Commercial Paper and Other Short-Term Borrowings (Tables)

3 Months Ended

Mar. 31, 2017

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, 2017		December 31, 2016
Debt issued by MUB
Federal funds purchased, with weighted average interest rates of 0.72% and 0.50% at March 31, 2017 and December 31, 2016, respectively	$	40	$	26
Commercial paper, with a weighted average interest rate of 0.71% and 0.55% at March 31, 2017 and December 31, 2016, respectively	651		263
Federal Home Loan Bank advances, with a weighted average interest rate of 0.62% and 0.59% at March 31, 2017 and December 31, 2016, respectively	1,600		700
Total debt issued by MUB	2,291		989
Debt issued by other MUAH subsidiaries
Short-term debt due to BTMU, with weighted average interest rates of 1.47% and 0.49% at March 31, 2017 and December 31, 2016, respectively	425		679
Short-term debt due to affiliates, with weighted average interest rates of (0.07)% and (0.04)% at March 31, 2017 and December 31, 2016, respectively	771		692
Total debt issued by other MUAH subsidiaries	1,196		1,371
Total commercial paper and other short-term borrowings	$	3,487	$	2,360