Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest Income
Loans	$ 706	$ 905	$ 2,302	$ 2,746
Securities	109	149	361	456
Securities borrowed or purchased under resale agreements	17	190	174	608
Trading assets	82	87	269	270
Other	9	52	51	143
Total interest income	923	1,383	3,157	4,223
Interest Expense
Deposits	55	224	324	623
Commercial paper and other short-term borrowings	7	53		161
Commercial paper and other short-term borrowings			43
Long-term debt	78	120	275	378
Securities loaned or sold under repurchase agreements	11	207	143	667
Trading liabilities	13	25	52	80
Total interest expense	164	629	837	1,909
Net Interest Income	759	754	2,320	2,314
Provision for credit losses	41	95	872	189
Net interest income after provision for credit losses	718	659	1,448	2,125
Noninterest Income
Service charges on deposit accounts	36	42	111	124
Trust and investment management fees	31	29	89	87
Trading account activities	14	34		70
Principal Transactions Revenue, Net			15
Securities gains, net	27	11	137	34
Credit facility fees	27	26	77	73
Brokerage commissions and fees	18	19	51	58
Card processing fees, net	12	17	37	44
Investment banking and syndication fees	167	105	451	331
Fees from affiliates	369	378	1,123	1,073
Other, net	66	56	97	104
Total noninterest income	767	717	2,188	1,998
Noninterest Expense
Salaries and employee benefits	700	673	2,073	2,054
Net occupancy and equipment	109	107	331	322
Professional and outside services	170	159	515	480
Software	86	84	261	236
Regulatory assessments	8	17	38	45
Intangible asset amortization	4	8	16	25
Goodwill, Impairment Loss	357	1,614	357	1,614
Other	89	108	311	318
Total noninterest expense	1,523	2,770	3,902	5,094
Income before income taxes and including noncontrolling interests	(38)	(1,394)	(266)	(971)
Income tax expense (benefit)	(155)	(18)	(91)	30
Net Income (Loss) Including Noncontrolling Interests	117	(1,376)	(175)	(1,001)
Deduct: Net loss (income) from noncontrolling interests	4	4	12	12
Net Income (Loss) Attributable to MUAH	$ 121	$ (1,372)	$ (163)	$ (989)