Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest Income
Loans	$ 2,759	$ 2,805	$ 2,641
Securities	463	452	469
Other	14	13	13
Total interest income	3,236	3,270	3,123
Interest Expense
Deposits	200	238	248
Commercial paper and other short-term borrowings	7	5	5
Long-term debt	214	165	154
Total interest expense	421	408	407
Net Interest Income	2,815	2,862	2,716
(Reversal of) provision for credit losses	228	6	(29)
Net interest income after (reversal of) provision for credit losses	2,587	2,856	2,745
Noninterest Income
Service charges on deposit accounts	196	203	209
Trust and investment management fees	109	104	135
Trading account activities	55	71	61
Securities gains, net	20	18	178
Fees and Commissions	115	122	111
Fees and Commissions, Other	79	124	93
Brokerage commissions and fees	54	53	46
Card processing fees, net	33	34	34
Revenue from Related Parties	747	319	0
Other, net	122	75	9
Total noninterest income	1,530	1,123	876
Noninterest Expense
Salaries and employee benefits	2,248	1,785	1,631
Net occupancy and equipment	317	296	306
Professional and outside services	301	256	250
Software	119	94	83
Intangible asset amortization	40	52	65
Regulatory assessments	51	57	74
Other	362	283	304
Total noninterest expense	3,438	2,823	2,713
Income before income taxes and including noncontrolling interests	679	1,156	908
Income tax expense	151	359	279
Net Income including Noncontrolling Interests	528	797	629
Deduct: Net loss from noncontrolling interests	45	19	18
Net Income attributable to MUAH	$ 573	$ 816	$ 647