Operating Segment Information (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

	Zions Bank				Amegy				CB&T
(In millions)	2020		2019		2020		2019		2020		2019
SELECTED INCOME STATEMENT DATA
Net interest income	$	156	$	175	$	120	$	127	$	123	$	134
Provision for credit losses	40		16		25		(8)		46		9
Net interest income after provision for credit losses	116		159		95		135		77		125
Noninterest income	38		38		31		34		19		22
Noninterest expense	111		120		79		86		74		82
Income (loss) before income taxes	$	43	$	77	$	47	$	83	$	22	$	65
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans	$	14,222	$	13,067	$	13,570	$	12,254	$	12,524	$	10,838
Total average deposits	17,977		15,205		13,023		11,361		13,522		11,412

	NBAZ				NSB				Vectra
(In millions)	2020		2019		2020		2019		2020		2019
SELECTED INCOME STATEMENT DATA
Net interest income	$	53	$	59	$	35	$	38	$	33	$	35
Provision for credit losses	16		2		40		—		(1)		1
Net interest income after provision for credit losses	37		57		(5)		38		34		34
Noninterest income	10		11		10		11		8		6
Noninterest expense	35		38		34		37		27		27
Income (loss) before income taxes	$	12	$	30	$	(29)	$	12	$	15	$	13
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans	$	5,247	$	4,847	$	3,169	$	2,570	$	3,490	$	3,105
Total average deposits	5,722		5,048		5,402		4,406		3,662		2,811
	TCBW				Other				Consolidated Bank
(In millions)	2020		2019		2020		2019		2020		2019
SELECTED INCOME STATEMENT DATA
Net interest income	$	13	$	14	$	30	$	(13)	$	563	$	569
Provision for credit losses	5		2		(3)		(1)		168		21
Net interest income after provision for credit losses	8		12		33		(12)		395		548
Noninterest income	1		1		—		9		117		132
Noninterest expense	5		5		65		29		430		424
Income (loss) before income taxes	$	4	$	8	$	(32)	$	(32)	$	82	$	256
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans	$	1,485	$	1,203	$	561	$	440	$	54,268	$	48,324
Total average deposits	1,282		1,053		2,410		3,051		63,000		54,347

The following schedule presents selected operating segment information for the six months ended June 30, 2020 and 2019:

	Zions Bank				Amegy				CB&T
(In millions)	2020		2019		2020		2019		2020		2019
SELECTED INCOME STATEMENT DATA
Net interest income	$	314	$	351	$	237	$	252	$	245	$	267
Provision for credit losses	94		26		127		(23)		84		12
Net interest income after provision for credit losses	220		325		110		275		161		255
Noninterest income	76		71		67		68		44		41
Noninterest expense	221		237		161		174		151		164
Income (loss) before income taxes	$	75	$	159	$	16	$	169	$	54	$	132
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans	$	13,611	$	13,004	$	12,984	$	12,058	$	11,773	$	10,707
Total average deposits	16,953		15,238		12,344		11,401		12,825		11,328
	NBAZ				NSB				Vectra
(In millions)	2020		2019		2020		2019		2020		2019
SELECTED INCOME STATEMENT DATA
Net interest income	$	105	$	117	$	70	$	76	$	65	$	69
Provision for credit losses	35		4		52		(1)		23		5
Net interest income after provision for credit losses	70		113		18		77		42		64
Noninterest income	21		21		21		21		16		12
Noninterest expense	72		78		70		73		53		54
Income (loss) before income taxes	$	19	$	56	$	(31)	$	25	$	5	$	22
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans	$	4,991	$	4,798	$	2,942	$	2,535	$	3,296	$	3,080
Total average deposits	5,413		4,972		5,115		4,368		3,325		2,816

	TCBW				Other				Consolidated Bank
(In millions)	2020		2019		2020		2019		2020		2019
SELECTED INCOME STATEMENT DATA
Net interest income	$	25	$	27	$	50	$	(14)	$	1,111	$	1,145
Provision for credit losses	10		2		1		—		426		25
Net interest income after provision for credit losses	15		25		49		(14)		685		1,120
Noninterest income	2		2		3		28		250		264
Noninterest expense	11		11		98		63		837		854
Income (loss) before income taxes	$	6	$	16	$	(46)	$	(49)	$	98	$	530
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans	$	1,372	$	1,156	$	563	$	412	$	51,532	$	47,750
Total average deposits	1,165		1,064		2,814		2,946		59,954		54,133