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Fair Value Measurements
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
The Bancorp measures certain financial assets and liabilities at fair value in accordance with U.S. GAAP, which defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. U.S. GAAP also establishes a fair value hierarchy, which prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. For more information regarding the fair value hierarchy and how the Bancorp measures fair value, refer to Note 1.

Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following tables summarize assets and liabilities measured at fair value on a recurring basis as of:
Fair Value Measurements Using
December 31, 2021 ($ in millions)     Level 1     Level 2   Level 3     Total Fair Value
Assets:
   Available-for-sale debt and other securities:
U.S. Treasury and federal agencies securities$86   86 
Obligations of states and political subdivisions securities 18  18 
Mortgage-backed securities:
Agency residential mortgage-backed securities 8,782  8,782 
Agency commercial mortgage-backed securities 18,951  18,951 
          Non-agency commercial mortgage-backed securities 4,479  4,479 
Asset-backed securities and other debt securities 5,275  5,275 
Available-for-sale debt and other securities(a)
86 37,505  37,591 
Trading debt securities:
U.S. Treasury and federal agencies securities72 12  84 
Obligations of states and political subdivisions securities 32  32 
Agency residential mortgage-backed securities 105  105 
Asset-backed securities and other debt securities 291  291 
Trading debt securities72 440  512 
Equity securities365 11  376 
Residential mortgage loans held for sale 1,023  1,023 
Residential mortgage loans(b)
  154 154 
Servicing rights  1,121 1,121 
Derivative assets:
Interest rate contracts2 1,245 12 1,259 
Foreign exchange contracts 323  323 
Commodity contracts26 1,300  1,326 
Derivative assets(c)
28 2,868 12 2,908 
Total assets$551 41,847 1,287 43,685 
Liabilities:
Derivative liabilities:
Interest rate contracts$2 231 8 241 
Foreign exchange contracts 298  298 
Equity contracts  214 214 
Commodity contracts285 975  1,260 
Derivative liabilities(d)
287 1,504 222 2,013 
Short positions:
U.S. Treasury and federal agencies securities96   96 
Asset-backed securities and other debt securities 201  201 
Short positions(d)
96 201  297 
Total liabilities$383 1,705 222 2,310 
(a)Excludes FHLB, FRB and DTCC restricted stock holdings totaling $30, $486 and $3, respectively, at December 31, 2021.
(b)Includes residential mortgage loans originated as held for sale and subsequently transferred to held for investment.
(c)Included in other assets in the Consolidated Balance Sheets.
(d)Included in other liabilities in the Consolidated Balance Sheets.
Fair Value Measurements Using
December 31, 2020 ($ in millions)Level 1Level 2Level 3Total Fair Value
Assets:
   Available-for-sale debt and other securities:
U.S. Treasury and federal agencies securities$78 — — 78 
Obligations of states and political subdivisions securities— 17 — 17 
Mortgage-backed securities:
Agency residential mortgage-backed securities— 11,907 — 11,907 
Agency commercial mortgage-backed securities— 18,221 — 18,221 
Non-agency commercial mortgage-backed securities— 3,590 — 3,590 
Asset-backed securities and other debt securities— 3,176 — 3,176 
Available-for-sale debt and other securities(a)
78 36,911 — 36,989 
Trading debt securities:
U.S. Treasury and federal agencies securities81 — — 81 
Obligations of states and political subdivisions securities— 10 — 10 
Agency residential mortgage-backed securities— 30 — 30 
Asset-backed securities and other debt securities— 439 — 439 
Trading debt securities81 479 — 560 
Equity securities293 20 — 313 
Residential mortgage loans held for sale— 1,481 — 1,481 
Residential mortgage loans(b)
— — 161 161 
Servicing rights— — 656 656 
Derivative assets:
Interest rate contracts2,227 61 2,289 
Foreign exchange contracts— 255 — 255 
Commodity contracts24 351 — 375 
Derivative assets(c)
25 2,833 61 2,919 
Total assets$477 41,724 878 43,079 
Liabilities:
Derivative liabilities:
Interest rate contracts$16 261 285 
Foreign exchange contracts— 227 — 227 
Equity contracts— — 201 201 
Commodity contracts55 304 — 359 
Derivative liabilities(d)
71 792 209 1,072 
Short positions:
U.S. Treasury and federal agencies securities63 — — 63 
Asset-backed securities and other debt securities— 392 — 392 
Short positions(d)
63 392 — 455 
Total liabilities$134 1,184 209 1,527 
(a)Excludes FHLB, FRB and DTCC restricted stock holdings totaling $40, $482 and $2, respectively, at December 31, 2020.
(b)Includes residential mortgage loans originated as held for sale and subsequently transferred to held for investment.
(c)Included in other assets in the Consolidated Balance Sheets.
(d)Included in other liabilities in the Consolidated Balance Sheets.

The following is a description of the valuation methodologies used for significant instruments measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy.

Available-for-sale debt and other securities, trading debt securities and equity securities
Where quoted prices are available in an active market, securities are classified within Level 1 of the valuation hierarchy. Level 1 securities include U.S. Treasury securities and equity securities. If quoted market prices are not available, then fair values are estimated using pricing models which primarily utilize quoted prices of securities with similar characteristics. Level 2 securities may include federal agencies securities, obligations of states and political subdivisions securities, agency residential mortgage-backed securities, agency and non-agency commercial mortgage-backed securities, asset-backed securities and other debt securities and equity securities. These securities are generally valued using a market approach based on observable prices of securities with similar characteristics.

Residential mortgage loans held for sale
For residential mortgage loans held for sale for which the fair value election has been made, fair value is estimated based upon mortgage-backed securities prices and spreads to those prices or, for certain ARM loans, DCF models that may incorporate the anticipated portfolio
composition, credit spreads of asset-backed securities with similar collateral and market conditions. The anticipated portfolio composition includes the effect of interest rate spreads and discount rates due to loan characteristics such as the state in which the loan was originated, the loan amount and the ARM margin. Residential mortgage loans held for sale that are valued based on mortgage-backed securities prices are classified within Level 2 of the valuation hierarchy as the valuation is based on external pricing for similar instruments. ARM loans classified as held for sale are also classified within Level 2 of the valuation hierarchy due to the use of observable inputs in the DCF model. These observable inputs include interest rate spreads from agency mortgage-backed securities market rates and observable discount rates.

Residential mortgage loans
Residential mortgage loans held for sale that are reclassified to held for investment are transferred from Level 2 to Level 3 of the fair value hierarchy. For residential mortgage loans for which the fair value election has been made, and that are reclassified from held for sale to held for investment, the fair value estimation is based on mortgage-backed securities prices, interest rate risk and an internally developed credit component. Therefore, these loans are classified within Level 3 of the valuation hierarchy. An adverse change in the loss rate or severity assumption would result in a decrease in fair value of the related loans.

Servicing rights
MSRs do not trade in an active, open market with readily observable prices. While sales of MSRs do occur, the precise terms and conditions typically are not readily available. Accordingly, the Bancorp estimates the fair value of MSRs using internal OAS models with certain unobservable inputs, primarily prepayment speed assumptions, OAS and weighted-average lives, resulting in a classification within Level 3 of the valuation hierarchy. Refer to Note 13 for further information on the assumptions used in the valuation of the Bancorp’s MSRs.

Derivatives
Exchange-traded derivatives valued using quoted prices and certain over-the-counter derivatives valued using active bids are classified within Level 1 of the valuation hierarchy. Most of the Bancorp’s derivative contracts are valued using DCF or other models that incorporate current market interest rates, credit spreads assigned to the derivative counterparties and other market parameters and, therefore, are classified within Level 2 of the valuation hierarchy. Such derivatives include basic and structured interest rate, foreign exchange and commodity swaps and options. Derivatives that are valued based upon models with significant unobservable market parameters are classified within Level 3 of the valuation hierarchy. During the years ended December 31, 2021 and 2020, derivatives classified as Level 3, which are valued using models containing unobservable inputs, consisted primarily of a total return swap associated with the Bancorp’s sale of Visa, Inc. Class B Shares as well as IRLCs, which utilize internally generated loan closing rate assumptions as a significant unobservable input in the valuation process.

Under the terms of the total return swap, the Bancorp will make or receive payments based on subsequent changes in the conversion rate of the Visa, Inc. Class B Shares into Class A Shares. Additionally, the Bancorp will make a quarterly payment based on Visa’s stock price and the conversion rate of the Visa, Inc. Class B Shares into Class A Shares until the date on which the Covered Litigation is settled. The fair value of the total return swap was calculated using a DCF model based on unobservable inputs consisting of management’s estimate of the probability of certain litigation scenarios, the timing of the resolution of the Covered Litigation and Visa litigation loss estimates in excess, or shortfall, of the Bancorp’s proportional share of escrow funds.

An increase in the loss estimate or a delay in the resolution of the Covered Litigation would result in an increase in the fair value of the derivative liability; conversely, a decrease in the loss estimate or an acceleration of the resolution of the Covered Litigation would result in a decrease in the fair value of the derivative liability. Refer to Note 18 for additional information on the Covered Litigation.

The net asset fair value of the Bancorp’s IRLCs at December 31, 2021 was $12 million. Immediate decreases in current interest rates of 25 bps and 50 bps would result in increases in the fair value of the IRLCs of approximately $5 million and $9 million, respectively. Immediate increases of current interest rates of 25 bps and 50 bps would result in decreases in the fair value of the IRLCs of approximately $5 million and $11 million, respectively. The decrease in fair value of IRLCs due to immediate 10% and 20% adverse changes in the assumed loan closing rates would be approximately $1 million and $2 million, respectively, and the increase in fair value due to immediate 10% and 20% favorable changes in the assumed loan closing rates would be approximately $1 million and $2 million, respectively. These sensitivities are hypothetical and should be used with caution, as changes in fair value based on a variation in assumptions typically cannot be extrapolated because the relationship of the change in assumptions to the change in fair value may not be linear.

Short positions
Where quoted prices are available in an active market, short positions are classified within Level 1 of the valuation hierarchy. Level 1 securities include U.S. Treasury securities. If quoted market prices are not available, then fair values are estimated using pricing models which primarily utilize quoted prices of securities with similar characteristics and therefore are classified within Level 2 of the valuation hierarchy. Level 2 securities include asset-backed and other debt securities.
The following tables are a reconciliation of assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
For the year ended December 31, 2021 ($ in millions)Residential Mortgage LoansServicing
Rights
Interest Rate
Derivatives,
Net(a)
Equity
Derivatives
Total Fair Value
Balance, beginning of period$161 656 53 (201)669 
Total (losses) gains (realized/unrealized):(b)
Included in earnings(2)(139)153 (86)(74)
Purchases/originations 604 (3) 601 
Settlements(54) (199)73 (180)
Transfers into Level 3(c)
49    49 
Balance, end of period$154 1,121 4 (214)1,065 
The amount of total gains (losses) for the period
   included in earnings attributable to the change in
   unrealized gains or losses relating to instruments
   still held at December 31, 2021
$(2)78 15 (86)5 
(a)Net interest rate derivatives include derivative assets and liabilities of $12 and $8, respectively, as of December 31, 2021.
(b)There were no unrealized gains or losses for the period included in other comprehensive income for instruments still held at December 31, 2021.
(c)Includes certain residential mortgage loans originated as held for sale that were transferred to held for investment.

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
For the year ended December 31, 2020 ($ in millions)Residential Mortgage LoansServicing
Rights
Interest Rate
Derivatives,
Net(a)
Equity
Derivatives
Total Fair Value
Balance, beginning of period$183 993 10 (163)1,023 
Total (losses) gains (realized/unrealized):(b)
Included in earnings(565)272 (103)(393)
Purchases/originations— 228 — 232 
Settlements(74)— (233)65 (242)
Transfers into Level 3(c)
49 — — — 49 
Balance, end of period$161 656 53 (201)669 
The amount of total (losses) gains for the period
   included in earnings attributable to the change in
   unrealized gains or losses relating to instruments
   still held at December 31, 2020
$(227)58 (103)(269)
(a)Net interest rate derivatives include derivative assets and liabilities of $61 and $8, respectively, as of December 31, 2020.
(b)There were no unrealized gains or losses for the period included in other comprehensive income for instruments still held at December 31, 2020.
(c)Includes certain residential mortgage loans originated as held for sale that were transferred to held for investment.

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
For the year ended December 31, 2019 ($ in millions)Residential Mortgage LoansServicing
Rights
Interest Rate
Derivatives,
Net(a)
Equity
Derivatives
Total Fair Value
Balance, beginning of period$179 938 (1)(125)991 
Total (losses) gains (realized/unrealized):
Included in earnings(1)(376)145 (107)(339)
Purchases/originations— 431 (3)— 428 
Settlements(31)— (131)69 (93)
Transfers into Level 3(b)
36 — — — 36 
Balance, end of period$183 993 10 (163)1,023 
The amount of total (losses) gains for the period
   included in earnings attributable to the change in
   unrealized gains or losses relating to instruments
   still held at December 31, 2019
$(1)(250)20 (107)(338)
(a)Net interest rate derivatives include derivative assets and liabilities of $18 and $8, respectively, as of December 31, 2019.
(b)Includes certain residential mortgage loans originated as held for sale that were transferred to held for investment.
The total losses and gains included in earnings for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) were recorded in the Consolidated Statements of Income for the years ended December 31, 2021, 2020 and 2019 as follows:
($ in millions)202120202019
Mortgage banking net revenue$9 (291)(235)
Commercial banking revenue3 
Other noninterest income(86)(104)(107)
Total losses$(74)(393)(339)

The total gains and losses included in earnings attributable to changes in unrealized gains and losses related to Level 3 assets and liabilities still held at December 31, 2021, 2020 and 2019 were recorded in the Consolidated Statements of Income as follows:
($ in millions)202120202019
Mortgage banking net revenue$88 (167)(233)
Commercial banking revenue3 
Other noninterest income(86)(104)(107)
Total gains (losses)$5 (269)(338)

The following tables present information about significant unobservable inputs related to the Bancorp’s material categories of Level 3 financial assets and liabilities measured at fair value on a recurring basis:
As of December 31, 2021 ($ in millions)
Financial InstrumentFair ValueValuation TechniqueSignificant Unobservable
Inputs
Range of InputsWeighted-Average
Residential mortgage loans$154 Loss rate modelInterest rate risk factor(8.5)-8.8%0.4 %
(a)
Credit risk factor -28.5%0.3 %
(a)
(Fixed)10.7 %
(b)
Servicing rights1,121 DCFPrepayment speed -100.0%(Adjustable)20.6 %
(b)
(Fixed)686
(b)
OAS (bps)479 -1,587(Adjustable)1,087
(b)
IRLCs, net12 DCFLoan closing rates8.9 -97.2%80.9 %
(c)
Swap associated with the sale of Visa, Inc. Class B Shares(214)DCFTiming of the resolution of the Covered LitigationQ1 2023-Q2 2025Q1 2024
(d)
(a) Unobservable inputs were weighted by the relative carrying value of the instruments.
(b) Unobservable inputs were weighted by the relative unpaid principal balance of the instruments.
(c) Unobservable inputs were weighted by the relative notional amount of the instruments.
(d) Unobservable inputs were weighted by the probability of the final funding date of the instruments.

As of December 31, 2020 ($ in millions)
Financial InstrumentFair ValueValuation TechniqueSignificant Unobservable
Inputs
Range of InputsWeighted-Average
Residential mortgage loans$161 Loss rate modelInterest rate risk factor(8.2)-7.8%1.7 %
(a)
Credit risk factor— -25.7%0.6 %
(a)
(Fixed)17.8 %
(b)
Servicing rights656 DCFPrepayment speed0.5 -99.9%(Adjustable)22.6 %
(b)
(Fixed)723
(b)
OAS (bps)536 -1,587(Adjustable)950
(b)
IRLCs, net57 DCFLoan closing rates18.1 -97.2%60.8 %
(c)
Swap associated with the sale of Visa, Inc. Class B Shares(201)DCFTiming of the resolution of the Covered LitigationQ3 2022-Q3 2024Q2 2023
(d)
(a) Unobservable inputs were weighted by the relative carrying value of the instruments.
(b) Unobservable inputs were weighted by the relative unpaid principal balance of the instruments.
(c) Unobservable inputs were weighted by the relative notional amount of the instruments.
(d) Unobservable inputs were weighted by the probability of the final funding date of the instruments.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Certain assets and liabilities are measured at fair value on a nonrecurring basis. These assets and liabilities are not measured at fair value on an ongoing basis; however, they are subject to fair value adjustments in certain circumstances, such as when there is evidence of impairment.
The following tables provide the fair value hierarchy and carrying amount of all assets that were held as of December 31, 2021 and 2020 and for which a nonrecurring fair value adjustment was recorded during the years ended December 31, 2021 and 2020, and the related gains and losses from fair value adjustments on assets sold during the period as well as assets still held as of the end of the period.
Fair Value Measurements UsingTotal (Losses) Gains
As of December 31, 2021 ($ in millions)Level 1  Level 2Level 3    Total For the year ended December 31, 2021
Commercial loans held for sale$  2 2 2 
Commercial loans and leases  236 236 (29)
Consumer and residential mortgage loans  125 125 (1)
OREO  7 7 (6)
Bank premises and equipment  11 11 (6)
Operating lease equipment  13 13 (21)
Private equity investments 1 14 15 38 
Total$ 1 408 409 (23)
Fair Value Measurements UsingTotal (Losses) Gains
As of December 31, 2020 ($ in millions)Level 1Level 2Level 3TotalFor the year ended December 31, 2020
Commercial loans held for sale$— 16 24 (5)
Commercial loans and leases— — 504 504 (243)
Consumer and residential mortgage loans— — 159 159 
OREO— — 20 20 (7)
Bank premises and equipment— — 26 26 (30)
Operating lease equipment— — 35 35 (6)
Private equity investments— 27 69 96 18 
Total$— 35 829 864 (272)

The following tables present information as of December 31, 2021 and 2020 about significant unobservable inputs related to the Bancorp’s material categories of Level 3 financial assets and liabilities measured on a nonrecurring basis:
As of December 31, 2021 ($ in millions)
Financial InstrumentFair ValueValuation TechniqueSignificant Unobservable InputsRanges of
Inputs
Weighted-Average
Commercial loans held for sale$2 Comparable company analysisMarket comparable transactionsNMNM
Commercial loans and leases236 Appraised valueCollateral valueNMNM
Consumer and residential mortgage loans125 Appraised valueCollateral valueNMNM
OREO7 Appraised valueAppraised valueNMNM
Bank premises and equipment11 Appraised valueAppraised valueNMNM
Operating lease equipment13 Appraised valueAppraised valueNMNM
Private equity investments14 Comparable company analysisMarket comparable transactionsNMNM
As of December 31, 2020 ($ in millions)
Financial InstrumentFair ValueValuation TechniqueSignificant Unobservable InputsRanges of  
Inputs  
Weighted-Average
Commercial loans held for sale$16 Comparable company analysisMarket comparable transactionsNMNM
Commercial loans and leases504 Appraised valueCollateral valueNMNM
Consumer and residential mortgage loans159 Appraised valueCollateral valueNMNM
OREO20 Appraised valueAppraised valueNMNM
Bank premises and equipment26 Appraised valueAppraised valueNMNM
Operating lease equipment35 Appraised valueAppraised valueNMNM
Private equity investments69 Comparable company analysisMarket comparable transactionsNMNM

Commercial loans held for sale
The Bancorp estimated the fair value of certain commercial loans held for sale during the years ended December 31, 2021 and 2020, resulting in a positive fair value adjustment of $1 million and a negative fair value adjustment of $5 million during the years ended December 31, 2021 and 2020, respectively. These valuations were based on quoted prices for similar assets in active markets (Level 2 of the valuation hierarchy), appraisals of the underlying collateral or by applying unobservable inputs such as an estimated market discount to the unpaid principal balance of the loans or the appraised values of the assets (Level 3 of the valuation hierarchy). The Bancorp recognized gains on the sale of
certain commercial loans held for sale of $1 million and an immaterial amount during the years ended December 31, 2021 and 2020, respectively.

Portfolio loans and leases
During the years ended December 31, 2021 and 2020, the Bancorp recorded nonrecurring adjustments to certain collateral-dependent portfolio loans and leases. When a loan is collateral-dependent, the fair value of the loan is generally based on the fair value less cost to sell of the underlying collateral supporting the loan and therefore these loans were classified within Level 3 of the valuation hierarchy. In cases where the amortized cost basis of the loan or lease exceeds the estimated net realizable value of the collateral, then an ALLL is recognized, or a charge-off once the remaining amount is considered uncollectible.

OREO
During the years ended December 31, 2021 and 2020, the Bancorp recorded nonrecurring adjustments to certain commercial and residential real estate properties and branch-related real estate no longer intended to be used for banking purposes classified as OREO and measured at the lower of carrying amount or fair value. These nonrecurring losses were primarily due to declines in real estate values of the properties recorded in OREO. For the years ended December 31, 2021 and 2020, these losses include $5 million and $3 million in losses, respectively, recorded as charge-offs on new OREO properties transferred from loans during the respective periods and $1 million and $4 million, respectively, recorded as negative fair value adjustments on OREO in other noninterest expense or other noninterest income in the Consolidated Statements of Income subsequent to their transfer into OREO. The fair value amounts are generally based on appraisals of the property values, resulting in a classification within Level 3 of the valuation hierarchy. In cases where the carrying amount exceeds the fair value, less costs to sell, an impairment loss is recognized. The previous tables reflect the fair value measurements of the properties before deducting the estimated costs to sell.

Bank premises and equipment
The Bancorp performs assessments of the recoverability of long-lived assets when events or changes in circumstances indicate that their carrying values may not be recoverable. These properties were written down to their lower of cost or market values. At least annually thereafter, the Bancorp will review these properties for market fluctuations. The fair value amounts were generally based on appraisals of the property values, resulting in a classification within Level 3 of the valuation hierarchy. For further information on bank premises and equipment, refer to Note 7.

Operating lease equipment
The Bancorp performs assessments of the recoverability of long-lived assets when events or changes in circumstances indicate that their carrying values may not be recoverable. When evaluating whether an individual asset is impaired, the Bancorp considers the current fair value of the asset, the changes in overall market demand for the asset and the rate of change in advancements associated with technological improvements that impact the demand for the specific asset under review. As part of this ongoing assessment, the Bancorp determined that the carrying values of certain operating lease equipment were not recoverable and as a result, the Bancorp recorded an impairment loss equal to the amount by which the carrying value of the assets exceeded the fair value. The fair value amounts were generally based on appraised values of the assets, resulting in a classification within Level 3 of the valuation hierarchy.

Private equity investments
The Bancorp accounts for its private equity investments using the measurement alternative to fair value, except for those accounted for under the equity method of accounting. Under the measurement alternative, the Bancorp carries each investment at its cost basis minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for identical or similar investments of the same issuer. The Bancorp recognized gains of $41 million and $23 million during the years ended December 31, 2021 and 2020, respectively, resulting from observable price changes. The carrying value of the Bancorp’s private equity investments still held as of December 31, 2021 includes a cumulative $68 million of positive adjustments as a result of observable price changes since January 1, 2018. Because these adjustments are based on observable transactions in inactive markets, they are classified in Level 2 of the fair value hierarchy.

For private equity investments which are accounted for using the measurement alternative to fair value, the Bancorp qualitatively evaluates each investment quarterly to determine if impairment may exist. If necessary, the Bancorp then measures impairment by estimating the value of its investment and comparing that to the investment’s carrying value, whether or not the Bancorp considers the impairment to be temporary. These valuations are typically developed using a DCF method, but other methods may be used if more appropriate for the circumstances. These valuations are based on unobservable inputs and therefore are classified in Level 3 of the fair value hierarchy. The Bancorp recognized impairments of $3 million and $9 million during the years ended December 31, 2021 and 2020, respectively. The carrying value of the Bancorp’s private equity investments still held as of December 31, 2021 includes a cumulative $24 million of impairment charges recognized since adoption of the measurement alternative to fair value on January 1, 2018.

Fair Value Option
The Bancorp elected to measure certain residential mortgage loans held for sale under the fair value option as allowed under U.S. GAAP. Electing to measure residential mortgage loans held for sale at fair value reduces certain timing differences and better matches changes in the value of these assets with changes in the value of derivatives used as economic hedges for these assets. Management’s intent to sell residential mortgage loans classified as held for sale may change over time due to such factors as changes in the overall liquidity in markets
or changes in characteristics specific to certain loans held for sale. Consequently, these loans may be reclassified to loans held for investment and maintained in the Bancorp’s loan portfolio. In such cases, the loans will continue to be measured at fair value.

Fair value changes recognized in earnings for residential mortgage loans held at December 31, 2021 and 2020 for which the fair value option was elected, as well as the changes in fair value of the underlying IRLCs, included gains of $28 million and $75 million, respectively. These gains are reported in mortgage banking net revenue in the Consolidated Statements of Income.

Valuation adjustments related to instrument-specific credit risk for residential mortgage loans measured at fair value negatively impacted the fair value of those loans by an immaterial amount and $1 million at December 31, 2021 and 2020, respectively. Interest on loans measured at fair value is accrued as it is earned using the effective interest method and is reported as interest income in the Consolidated Statements of Income.

The following table summarizes the difference between the fair value and the unpaid principal balance for residential mortgage loans measured at fair value as of:
($ in millions)Aggregate  Fair ValueAggregate Unpaid Principal BalanceDifference
December 31, 2021
Residential mortgage loans measured at fair value$1,177 1,149 28 
Past due loans of 90 days or more3 3  
Nonaccrual loans   
December 31, 2020
Residential mortgage loans measured at fair value$1,642 1,567 75 
Past due loans of 90 days or more 
Nonaccrual loans— —  

The Bancorp invests in certain hybrid financial instruments with embedded derivatives that are not clearly and closely related to the host contracts. The Bancorp has elected to measure the entire instrument at fair value with changes in fair value recognized in earnings. The carrying value of these investments was $89 million as of December 31, 2021 and the investments are classified as trading debt securities in the Consolidated Balance Sheets. Fair value changes recognized in earnings included losses of $3 million for the year ended December 31, 2021, reported in securities (losses) gains, net in the Consolidated Statements of Income.
Fair Value of Certain Financial Instruments
The following tables summarize the carrying amounts and estimated fair values for certain financial instruments, excluding financial instruments measured at fair value on a recurring basis:
Net CarryingFair Value Measurements Using        Total
As of December 31, 2021 ($ in millions)AmountLevel 1Level 2Level 3Fair Value
Financial assets:
Cash and due from banks$2,994 2,994   2,994 
Other short-term investments34,572 34,572   34,572 
Other securities519  519  519 
Held-to-maturity securities8   8 8 
Loans and leases held for sale3,392   3,405 3,405 
Portfolio loans and leases:
Commercial loans and leases69,166   69,924 69,924 
Consumer and residential mortgage loans40,838   41,632 41,632 
Total portfolio loans and leases, net$110,004   111,556 111,556 
Financial liabilities:
Deposits$169,324  169,316  169,316 
Federal funds purchased281 281   281 
Other short-term borrowings980  980  980 
Long-term debt11,425 12,091 387  12,478 
Net CarryingFair Value Measurements Using        Total
As of December 31, 2020 ($ in millions)AmountLevel 1Level 2Level 3Fair Value
Financial assets:
Cash and due from banks$3,147 3,147 — — 3,147 
Other short-term investments33,399 33,399 — — 33,399 
Other securities524 — 524 — 524 
Held-to-maturity securities11 — — 11 11 
Loans and leases held for sale3,260 — — 3,269 3,269 
Portfolio loans and leases:
Commercial loans and leases67,541 — — 67,810 67,810 
Consumer and residential mortgage loans38,627 — — 40,522 40,522 
Total portfolio loans and leases, net$106,168 — — 108,332 108,332 
Financial liabilities:
Deposits$159,081 — 159,094 — 159,094 
Federal funds purchased300 300 — — 300 
Other short-term borrowings1,192 — 1,192 — 1,192 
Long-term debt14,973 15,606 923 — 16,529