Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Summary of Long-Term Debt

The following is a summary of the Company's long-term debt:

(Dollars in millions)	June 30, 2016		December 31, 2015
Debt issued by MUAH
Senior debt:
Floating rate senior notes due February 2018. These notes, which bear interest at 0.57% above 3-month LIBOR, had a rate of 1.20% at June 30, 2016 and 0.91% at December 31, 2015	$	250	$	250
Fixed rate 1.625% notes due February 2018	449		450
Fixed rate 2.25% notes due February 2020	996		1,000
Fixed rate 3.50% notes due June 2022	397		398
Fixed rate 3.00% notes due February 2025	495		498
Subordinated debt due to BTMU:
Floating rate subordinated debt due December 2023. This note, which bears interest at 1.38% above 3-month LIBOR, had a rate of 2.02% at June 30, 2016 and 1.98% at December 31, 2015	300		300
Junior subordinated debt payable to trusts:
Floating rate note due September 2036. This note had an interest rate of 2.35% at June 30, 2016 and 2.21% at December 31, 2015	36		36
Total debt issued by MUAH	2,923		2,932
Debt issued by MUB and other subsidiaries
Senior debt:
Fixed rate FHLB of San Francisco advances due February 2016. These notes bear a combined weighted-average rate of 2.50% at December 31, 2015	—		500
Fixed rate 3.00% notes due June 2016	—		700
Fixed rate 1.50% notes due September 2016	500		499
Floating rate notes due September 2016. These notes, which bear interest at 0.75% above 3-month LIBOR, had a rate of 1.39% at June 30, 2016 and 1.35% at December 31, 2015	500		500
Floating rate notes due May 2017. These notes, which bear interest at 0.40% above 3-month LIBOR, had a rate of 1.03% at June 30, 2016 and 0.73% at December 31, 2015	250		250
Fixed rate 2.125% notes due June 2017	499		499
Fixed rate 2.625% notes due September 2018	999		1,000
Fixed rate 2.250% notes due May 2019	510		502
Senior debt due to BTMU:
Floating rate debt due January 2018. This note, which bears interest at 0.85% above 1-month LIBOR, had a rate of 1.31% at June 30, 2016 and 1.09% at December 31, 2015	1,000		1,000
Floating rate debt due January 2018. This note, which bears interest at 0.87% above 1-month LIBOR, had a rate of 1.33% at June 30, 2016 and 1.11% at December 31, 2015	1,500		1,500
Floating rate debt due January 2018. This note, which bears interest at 1.03% above 1-month LIBOR, had a rate of 1.49% at June 30, 2016 and 1.27% at December 31, 2015	1,000		1,000
Subordinated debt:
Fixed rate 5.95% notes due May 2016	—		703
Subordinated debt due to BTMU:
Floating rate subordinated debt due June 2023. This note, which bears interest at 1.20% above 3-month LIBOR, had a rate of 1.82% at June 30, 2016 and 1.80% at December 31, 2015	750		750
Capital lease obligations with a combined weighted-average interest rate of 4.92% at June 30, 2016 and December 31, 2015	14		14
Total debt issued by MUB and other subsidiaries	7,522		9,417
Total long-term debt	$	10,445	$	12,349