Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Other Intangible Assets Disclosure [Abstract]

Mortgage Servicing Rights

Changes in the commercial and residential MSRs follow:
Table 71: Mortgage Servicing Rights
			Commercial MSRs				Residential MSRs
In millions			2016		2015		2016		2015
January 1		$	526	$	506	$	1,063	$	845
Additions:
	From loans sold with servicing retained		23		34		23		38
	Purchases		9		28		105		150
Changes in fair value due to:
	Time and payoffs (a)		(46)		(43)		(78)		(86)
	Other (b)		(64)		18		(339)		68
June 30		$	448	$	543	$	774	$	1,015
Related unpaid principal balance at June 30		$	142,968	$	144,416	$	126,172	$	115,454
Servicing advances at June 30		$	244	$	271	$	335	$	463
(a)	Represents decrease in MSR value due to passage of time, including the impact from both regularly scheduled loan principal payments and loans that were paid down or paid off during the period.
(b)	Represents MSR value changes resulting primarily from market-driven changes in interest rates.

Commercial Mortgage Loan Servicing Assets - Key Valuation Assumptions

The following tables set forth the fair value of commercial and residential MSRs and the sensitivity analysis of the hypothetical effect on the fair value of MSRs to immediate adverse changes of 10% and 20% in those assumptions:
Table 72: Commercial Mortgage Loan Servicing Rights - Key Valuation Assumptions
		June 30			December 31
Dollars in millions		2016			2015
Fair value		$	448		$	526
Weighted-average life (years)			4.5			4.7
Weighted-average constant prepayment rate			8.19	%		5.71	%
	Decline in fair value from 10% adverse change	$	10		$	10
	Decline in fair value from 20% adverse change	$	19		$	19
Effective discount rate			7.44	%		7.49	%
	Decline in fair value from 10% adverse change	$	12		$	14
	Decline in fair value from 20% adverse change	$	24		$	29

Residential Mortgage Loan Servicing Assets - Key Valuation Assumptions

Table 73: Residential Mortgage Loan Servicing Rights - Key Valuation Assumptions
		June 30			December 31
Dollars in millions		2016			2015
Fair value		$	774		$	1,063
Weighted-average life (years)			4.1			6.3
Weighted-average constant prepayment rate			19.19	%		10.61	%
	Decline in fair value from 10% adverse change	$	50		$	44
	Decline in fair value from 20% adverse change	$	95		$	85
Weighted-average option adjusted spread			865	bps		893	bps
	Decline in fair value from 10% adverse change	$	23		$	34
	Decline in fair value from 20% adverse change	$	44		$	67