Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitments and Contingencies

The following table summarizes certain tax credit, private equity, and certain other equity method investments.

(Dollars in millions)	Balance Sheet Location	Mar 31, 2020		Dec 31, 2019
Investments in affordable housing projects:
Carrying amount	Other assets	$	3,776	$	3,684
Amount of future funding commitments included in carrying amount	Other liabilities	1,154		1,271
Lending exposure		540		647
Renewable energy investments:
Carrying amount	Other assets	107		81
Amount of future funding commitments not included in carrying amount	N/A	211		246
Private equity and certain other equity method investments:
Carrying amount	Other assets	1,597		1,556
Amount of future funding commitments not included in carrying amount	N/A	378		331

Summary of Income Tax Contingencies

The following table presents a summary of tax credits and amortization associated with the Company's tax credit investment activity:

Three Months Ended March 31, (Dollars in millions)	Income Statement Location	2020		2019
Tax credits:
Investments in affordable housing projects	Provision for income taxes	$	117	$	79
Other community development investments	Provision for income taxes	22		—
Amortization and other changes in carrying amount:
Investments in affordable housing projects	Provision for income taxes	$	114	$	69
Other community development investments	Other noninterest income	20		—
Renewable energy investments	Other noninterest income	—		—

Schedule of Off-Balance Sheet

The following is a summary of selected notional amounts of off-balance sheet financial instruments:

(Dollars in millions)	March 31, 2020		December 31, 2019
Commitments to extend, originate or purchase credit	$	159,924	$	177,598
Residential mortgage loans sold with recourse	395		371
CRE mortgages serviced for others covered by recourse provisions	8,592		8,676
Letters of credit	5,050		5,181

Schedule of Pledged Assets

The following table provides the total carrying amount of pledged assets by asset type.

(Dollars in millions)	Mar 31, 2020		Dec 31, 2019
Pledged securities	$	10,404	$	11,283
Pledged loans:
FRB	71,786		30,238
FHLB	79,009		80,816
Unused borrowing capacity:
FRB	49,652		21,169
FHLB	21,677		37,303