Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

For impairment testing, goodwill was assigned to the following operating segments at December 31, 2016 and 2015:

(Dollars in millions)	2016		2015
Regional Bank	$	2,134	$	2,126
U.S. Wholesale Banking	410		407
Transaction Banking	251		251
Investment Banking & Markets	430		427
Asian Corporate Banking	—		14
Goodwill, end of year	$	3,225	$	3,225

The changes in the carrying amount of goodwill during 2016 and 2015 are shown in the table below.

(Dollars in millions)	2016		2015
Goodwill, beginning of year	$	3,225	$	3,225
Net change from business combinations	—		—
Goodwill, end of year	$	3,225	$	3,225

Identifiable Intangible Assets and Accumulated Amortization

The table below reflects the Company's identifiable intangible assets and accumulated amortization at December 31, 2016 and 2015.

	December 31, 2016							December 31, 2015
(Dollars in millions)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Core deposit intangibles	$	565	$	(516	)	$	49	$	565	$	(497	)	$	68
Trade names	113		(26		)	87		114		(24		)	90
Customer relationships	118		(34		)	84		57		(30		)	27
Other	41		(15		)	26		40		(19		)	21
Total intangible assets with a definite useful life	$	837	$	(591	)	$	246	$	776	$	(570	)	$	206

Estimated Future Amortization Expense

Estimated future amortization expense at December 31, 2016 is as follows:

(Dollars in millions)	Core Deposit Intangibles		Trade Name		Customer Relationships		Other		Total Identifiable Intangible Assets
Years ending December 31, :
2017	$	14	$	3	$	10	$	4	$	31
2018	7		3		9		4		23
2019	7		3		9		4		23
2020	5		3		9		3		20
2021	4		3		9		3		19
Thereafter	12		72		38		8		130
Total estimated amortization expense	$	49	$	87	$	84	$	26	$	246