Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets consisted of the following:

At December 31 (Dollars in Millions)	Estimated Life(a)	Amortization Method(b)			Balance
					2016		2015
Goodwill			(c	)	$	9,344	$	9,361
Merchant processing contracts	7 years/8 years		SL/AC			108		135
Core deposit benefits	22 years/5 years		SL/AC			161		194
Mortgage servicing rights			(c	)		2,591		2,512
Trust relationships	10 years/6 years		SL/AC			59		75
Other identified intangibles	8 years/4 years		SL/AC			384		434
Total					$	12,647	$	12,711

(a) Estimated life represents the amortization period for assets subject to the straight line method and the weighted average or life of the underlying cash flows amortization period for intangibles subject to accelerated methods. If more than one amortization method is used for a category, the estimated life for each method is calculated and reported separately.

(b) Amortization methods:	SL = straight line method
	AC = accelerated methods generally based on cash flows

(c) Goodwill is evaluated for impairment, but not amortized. Mortgage servicing rights are recorded at fair value, and are not amortized.

Aggregate Amortization Expense

Aggregate amortization expense consisted of the following:

Year Ended December 31 (Dollars in Millions)	2016		2015		2014
Merchant processing contracts	$	28	$	35	$	50
Core deposit benefits		34		40		38
Trust relationships		16		21		27
Other identified intangibles		101		78		84
Total	$	179	$	174	$	199

Estimated Amortization Expense

The estimated amortization expense for the next five years is as follows:

(Dollars in Millions)
2017	$	171
2018		138
2019		109
2020		86
2021		65

Changes in Carrying Value of Goodwill

The following table reflects the changes in the carrying value of goodwill for the years ended December 31, 2016, 2015 and 2014:

(Dollars in Millions)	Wholesale Banking and Commercial Real Estate			Consumer and Small Business Banking		Wealth Management and Securities Services			Payment Services			Treasury and Corporate Support		Consolidated Company
Balance at December 31, 2013	$	1,605		$	3,514	$	1,565		$	2,521		$	–	$	9,205
Goodwill acquired		43			166		8			–			–		217
Foreign exchange translation and other		–			–		(3	)		(30	)		–		(33	)
Balance at December 31, 2014	$	1,648		$	3,680	$	1,570		$	2,491		$	–	$	9,389
Foreign exchange translation and other		(1	)		1		(3	)		(25	)		–		(28	)
Balance at December 31, 2015	$	1,647		$	3,681	$	1,567		$	2,466		$	–	$	9,361
Foreign exchange translation and other		–			–		(1	)		(16	)		–		(17	)
Balance at December 31, 2016	$	1,647		$	3,681	$	1,566		$	2,450		$	–	$	9,344