Business Segments (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Schedule of reportable business segments

As of and for the Three Months Ended June 30, 2016:
(Dollars in millions)	Regional Bank			U.S. Wholesale Banking			Transaction Banking			Investment Banking & Markets		Other			MUFG Americas Holdings Corporation
Results of operations - Market View
Net interest income (expense)	$	478		$	114		$	120		$	60	$	(52	)	$	720
Noninterest income (expense)	112			38			44			65		207			466
Total revenue	590			152			164			125		155			1,186
Noninterest expense	420			49			109			42		190			810
(Reversal of) provision for credit losses	(5		)	(28		)	(3		)	2		(3		)	(37		)
Income (loss) before income taxes and including noncontrolling interests	175			131			58			81		(32		)	413
Income tax expense (benefit)	51			52			23			12		(19		)	119
Net income (loss) including noncontrolling interests	124			79			35			69		(13		)	294
Deduct: net loss from noncontrolling interests	—			—			—			—		11			11
Net income (loss) attributable to MUAH	$	124		$	79		$	35		$	69	$	(2	)	$	305
Total assets, end of period	$	63,467		$	14,392		$	1,838		$	11,762	$	25,697		$	117,156

As of and for the Three Months Ended June 30, 2015:
(Dollars in millions)	Regional Bank		U.S. Wholesale Banking		Transaction Banking		Investment Banking & Markets			Other			MUFG Americas Holdings Corporation
Results of operations - Market View
Net interest income (expense)	$	473	$	106	$	111	$	62		$	(33	)	$	719
Noninterest income (expense)	106		41		42		60			136			385
Total revenue	579		147		153		122			103			1,104
Noninterest expense	467		48		108		43			177			843
(Reversal of) provision for credit losses	6		12		—		(12		)	9			15
Income (loss) before income taxes and including noncontrolling interests	106		87		45		91			(83		)	246
Income tax expense (benefit)	26		35		18		23			(31		)	71
Net income (loss) including noncontrolling interests	80		52		27		68			(52		)	175
Deduct: net loss from noncontrolling interests	—		—		—		—			6			6
Net income (loss) attributable to MUAH	$	80	$	52	$	27	$	68		$	(46	)	$	181
Total assets, end of period	$	61,468	$	13,293	$	1,779	$	11,277		$	26,449		$	114,266

As of and for the Six Months Ended June 30, 2016:
(Dollars in millions)	Regional Bank			U.S. Wholesale Banking		Transaction Banking			Investment Banking & Markets			Other			MUFG Americas Holdings Corporation
Results of operations - Market View
Net interest income (expense)	$	959		$	223	$	241		$	119		$	(125	)	$	1,417
Noninterest income (expense)	226			66		91			90			388			861
Total revenue	1,185			289		332			209			263			2,278
Noninterest expense	856			98		229			83			420			1,686
(Reversal of) provision for loan losses	(6		)	102		(1		)	32			(2		)	125
Income (loss) before income taxes and including noncontrolling interests	335			89		104			94			(155		)	467
Income tax expense (benefit)	97			35		41			(2		)	(35		)	136
Net income (loss) including noncontrolling interests	238			54		63			96			(120		)	331
Deduct: net loss from noncontrolling interests	—			—		—			—			23			23
Net income (loss) attributable to MUAH	$	238		$	54	$	63		$	96		$	(97	)	$	354
Total assets, end of period	$	63,467		$	14,392	$	1,838		$	11,762		$	25,697		$	117,156

As of and for the Six Months Ended June 30, 2015:
(Dollars in millions)	Regional Bank		U.S. Wholesale Banking		Transaction Banking		Investment Banking & Markets			Other			MUFG Americas Holdings Corporation
Results of operations - Market View
Net interest income (expense)	$	951	$	207	$	227	$	122		$	(105	)	$	1,402
Noninterest income (expense)	217		73		85		91			254			720
Total revenue	1,168		280		312		213			149			2,122
Noninterest expense	928		100		210		77			377			1,692
(Reversal of) provision for loan losses	12		15		1		(19		)	9			18
Income (loss) before income taxes and including noncontrolling interests	228		165		101		155			(237		)	412
Income tax expense (benefit)	45		63		39		35			(77		)	105
Net income (loss) including noncontrolling interests	183		102		62		120			(160		)	307
Deduct: net loss from noncontrolling interests	—		—		—		—			11			11
Net income (loss) attributable to MUAH	$	183	$	102	$	62	$	120		$	(149	)	$	318
Total assets, end of period	$	61,468	$	13,293	$	1,779	$	11,277		$	26,449		$	114,266