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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Commitments and Contingencies
The following table summarizes certain tax credit and certain equity investments:
(Dollars in millions)Balance Sheet LocationDec 31, 2023Dec 31, 2022
Investments in affordable housing projects and other qualified tax credits:  
Carrying amountOther assets$6,754 $5,869 
Amount of future funding commitments included in carrying amountOther liabilities2,473 1,762 
Lending exposureLoans and leases for funded amounts1,981 1,547 
Renewable energy investments:
Carrying amountOther assets285 264 
Amount of future funding commitments not included in carrying amountNA747 361 
SBIC and certain other equity method investments:
Carrying amountOther assets758 596 
Amount of future funding commitments not included in carrying amountNA589 532 
Summary of Tax Credits and Amortization, Tax Credit Investment Activity
The following table presents a summary of tax credits and amortization expense associated with the Company’s tax credit investment activity. Activity related to the Company’s renewable energy investments was immaterial.
Year Ended December 31,
(Dollars in millions)Income Statement Location202320222021
Tax credits:
Investments in affordable housing projects, other qualified tax credits, and other community development investmentsProvision for income taxes$624 $583 $580 
Amortization and other changes in carrying amount:
Investments in affordable housing projects and other qualified tax credits(1)
Provision for income taxes$586 $487 $472 
Other community development investments(1)
Other noninterest income11 81 86 
(1)In the first quarter of 2023, the Company adopted the Investments in Tax Credit Structures accounting standard. As a result, amortization related to these tax credits started being recognized in the Provision for income taxes as of the adoption of this standard. This activity was previously recognized in Other income. Refer to “Note 1. Basis of Presentation” for additional information.
Schedule of Off-Balance Sheet
The following is a summary of selected notional amounts of off-balance sheet financial instruments:
(Dollars in millions)Dec 31, 2023Dec 31, 2022
Commitments to extend, originate, or purchase credit and other commitments$207,285 $216,838 
Residential mortgage loans sold with recourse173 200 
CRE mortgages serviced for others covered by recourse provisions9,661 9,955 
Other loans serviced for others covered by recourse and other provisions1,032 723 
Letters of credit6,239 6,030 
Schedule of Variable Interest Entities The following table provides a summary of the TRS transactions with VIE purchases. VIE assets include trading loans and bonds:
(Dollars in millions)Dec 31, 2023Dec 31, 2022
Total return swaps:
VIE assets$1,641 $1,830 
Trading loans and bonds1,572 1,790 
VIE liabilities50 163 
Schedule of Pledged Assets The following table provides the total carrying amount of pledged assets by asset type:
(Dollars in millions)Dec 31, 2023Dec 31, 2022
Pledged securities$41,270 $38,012 
Pledged loans:
FRB73,898 71,234 
FHLB67,748 68,988 
Unused borrowing capacity:
FRB55,252 49,250 
FHLB24,712 20,770