10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2021

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number 001-33326

People's United Financial, Inc.

(Exact name of registrant as specified in its charter)

Delaware	20-8447891
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
850 Main Street
Bridgeport, Connecticut	06604
(Address of principal executive offices)	(Zip Code)
(203) 338-7171
(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value per share	PBCT	NASDAQ Global Select Market
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series A, $0.01 par value per share	PBCTP	NASDAQ Global Select Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),
and (2) has been subject to such filing requirements for the past 90 days. Yes  ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes ☒   No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definition of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	☒	Accelerated filer	☐	Smaller reporting company	☐
Non-accelerated filer	☐			Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     Yes  ☐    No  ☒

As of April 30, 2021, there were 427,629,568 shares of the registrant’s common stock outstanding.

People’s United Financial Inc.

Form 10-Q

Table of Contents

Part I – Financial Information			Page
	Item 1.	Financial Statements (Unaudited)
		Consolidated Statements of Condition as of March 31, 2021 and December 31, 2020	1
		Consolidated Statements of Income for the Three Months Ended March 31, 2021 and 2020	2
		Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2021 and 2020	3
		Consolidated Statements of Changes in Stockholders’ Equity for the Three Months Ended March 31, 2021 and 2020	4
		Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2021 and 2020	5
		Notes to Consolidated Financial Statements	6
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	48
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	88
	Item 4.	Controls and Procedures	88
Part II – Other Information
	Item 1.	Legal Proceedings	88
	Item 1A.	Risk Factors	88
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	89
	Item 3.	Defaults Upon Senior Securities	89
	Item 4.	Mine Safety Disclosures	89
	Item 5.	Other Information	89
	Item 6.	Exhibits	90
Index to Exhibits			91
Signatures			92

Part 1 - Financial Information

Item 1 - Financial Statements

People’s United Financial, Inc.

Consolidated Statements of Condition - (Unaudited)

(in millions)	March 31, 2021		December 31, 2020
Assets
Cash and due from banks	$	464.2	$	477.3
Short-term investments	4,992.1		3,766.0
Total cash and cash equivalents (note 2)	5,456.3		4,243.3
Securities (note 2):
Debt securities available-for-sale, at fair value	6,160.6		4,925.5
Debt securities held-to-maturity, at amortized cost and net of allowance for credit losses    of $1.6 million at both dates (fair value of $4.24 billion and $4.27 billion)	4,016.8		3,993.8
Federal Reserve Bank and Federal Home Loan Bank stock, at cost	266.2		266.6
Equity securities, at fair value	1.5		5.3
Total securities	10,445.1		9,191.2
Loans held-for-sale	10.1		26.5
Loans (notes 3, 4 and 5):
Commercial and industrial	14,288.2		14,982.3
Commercial real estate	13,520.1		13,336.9
Equipment financing	4,927.2		4,930.0
Total Commercial Portfolio	32,735.5		33,249.2
Residential mortgage	8,067.2		8,518.9
Home equity and other consumer	1,967.0		2,101.4
Total Retail Portfolio	10,034.2		10,620.3
Total loans	42,769.7		43,869.5
Less allowance for credit losses on loans	(399.1)		(425.1)
Total loans, net	42,370.6		43,444.4
Goodwill (note 8)	2,680.8		2,680.8
Bank-owned life insurance	713.1		711.6
Premises and equipment, net	269.5		276.7
Other acquisition-related intangible assets (note 8)	153.8		165.1
Other assets (notes 1, 3, 5 and 13)	2,073.2		2,352.2
Total assets	$	64,172.5	$	63,091.8
Liabilities
Deposits:
Non-interest-bearing	$	16,266.5	$	15,881.7
Savings	6,517.7		6,029.7
Interest-bearing checking and money market	25,782.8		24,567.5
Time	4,908.3		5,658.8
Total deposits	53,475.3		52,137.7
Borrowings:
Federal Home Loan Bank advances	569.7		569.7
Customer repurchase agreements	436.2		452.9
Federal funds purchased	150.0		125.0
Total borrowings	1,155.9		1,147.6
Notes and debentures	1,003.3		1,009.6
Other liabilities (notes 1, 4, 5 and 13)	945.8		1,194.1
Total liabilities	56,580.3		55,489.0
Commitments and contingencies (notes 1, 5 and 10)
Stockholders’ Equity (notes 1, 6 and 9)
Preferred stock ($0.01 par value; 50.0 million shares authorized;    10.0 million shares issued and outstanding at both dates)	244.1		244.1
Common stock ($0.01 par value; 1.95 billion shares authorized;    536.2 million shares and 533.7 million shares issued)	5.4		5.3
Additional paid-in capital	7,693.9		7,663.6
Retained earnings	1,426.9		1,363.6
Unallocated common stock of Employee Stock Ownership Plan, at cost    (5.5 million shares and 5.6 million shares)	(113.8)		(115.6)
Accumulated other comprehensive loss	(195.3)		(89.2)
Treasury stock, at cost (109.0 million shares at both dates)	(1,469.0)		(1,469.0)
Total stockholders’ equity	7,592.2		7,602.8
Total liabilities and stockholders’ equity	$	64,172.5	$	63,091.8

See accompanying notes to consolidated financial statements.

1

People’s United Financial, Inc.

Consolidated Statements of Income - (Unaudited)

	Three Months Ended March 31,
(in millions, except per common share data)	2021		2020
Interest and dividend income:
Commercial and industrial	$	116.1	$	106.4
Commercial real estate	98.8		149.6
Equipment financing	62.8		68.2
Residential mortgage	69.9		90.4
Home equity and other consumer	16.5		28.0
Total interest on loans	364.1		442.6
Securities	51.4		51.2
Short-term investments	1.2		2.0
Loans held-for-sale	0.3		3.3
Total interest and dividend income	417.0		499.1
Interest expense:
Deposits	22.7		78.9
Borrowings	1.2		15.4
Notes and debentures	7.2		8.8
Total interest expense	31.1		103.1
Net interest income	385.9		396.0
Provision for credit losses on loans (note 4)	(13.6)		33.5
Net interest income after provision for credit losses	399.5		362.5
Non-interest income:
Bank service charges	23.5		28.0
Investment management fees	19.9		18.1
Commercial banking lending fees	13.6		12.1
Operating lease income (note 5)	11.3		12.6
Cash management fees	9.2		7.4
Other non-interest income (note 2)	17.1		45.6
Total non-interest income	94.6		123.8
Non-interest expense:
Compensation and benefits	172.8		173.9
Occupancy and equipment	49.1		51.0
Professional and outside services	33.6		38.5
Amortization of other acquisition-related intangible assets (note 8)	11.0		10.7
Regulatory assessments	8.1		8.7
Operating lease expense	7.8		9.8
Other non-interest expense	29.5		27.5
Total non-interest expense	311.9		320.1
Income before income tax expense	182.2		166.2
Income tax expense (note 1)	37.7		35.8
Net income	144.5		130.4
Preferred stock dividend	3.5		3.5
Net income available to common shareholders	$	141.0	$	126.9
Earnings per common share (note 7):
Basic	$	0.34	$	0.30
Diluted	0.33		0.30

See accompanying notes to consolidated financial statements.

2

People’s United Financial, Inc.

Consolidated Statements of Comprehensive Income - (Unaudited)

	Three Months Ended March 31,
(in millions)	2021		2020
Net income	$	144.5	$	130.4
Other comprehensive (loss) income, net of tax:
Net actuarial gains and losses related to pension and other    postretirement plans	0.4		1.6
Net unrealized gains and losses on debt securities    available-for-sale	(108.5)		71.6
Amortization of unrealized losses on debt securities    transferred to held-to-maturity	1.3		1.0
Net unrealized gains and losses on derivatives accounted    for as cash flow hedges	0.7		—
Total other comprehensive (loss) income,    net of tax (note 6)	(106.1)		74.2
Total comprehensive income	$	38.4	$	204.6

See accompanying notes to consolidated financial statements.

3

People’s United Financial, Inc.

Consolidated Statements of Changes in Stockholders’ Equity - (Unaudited) 

Three months ended March 31, 2021 (in millions, except per common share data)	Preferred Stock		Common Stock		Additional Paid-In Capital		Retained Earnings		Unallocated ESOP (1) Common Stock		Accumulated Other Comprehensive Loss		Treasury Stock		Total Stockholders’ Equity
Balance at December 31, 2020	$	244.1	$	5.3	$	7,663.6	$	1,363.6	$	(115.6)	$	(89.2)	$	(1,469.0)	$	7,602.8
Net income	—		—		—		144.5		—		—		—		144.5
Total other comprehensive loss,    net of tax (note 6)	—		—		—		—		—		(106.1)		—		(106.1)
Cash dividend on common stock    ($0.18 per share)	—		—		—		(75.7)		—		—		—		(75.7)
Cash dividend on preferred stock	—		—		—		(3.5)		—		—		—		(3.5)
Restricted stock and performance-based    share awards	—		—		1.7		—		—		—		—		1.7
ESOP common stock committed to be    released (note 9)	—		—		—		(0.4)		1.8		—		—		1.4
Common stock repurchased and    retired upon vesting of restricted    stock awards	—		—		—		(1.6)		—		—		—		(1.6)
Stock options exercised	—		0.1		28.6		—		—		—		—		28.7
Balance at March 31, 2021	$	244.1	$	5.4	$	7,693.9	$	1,426.9	$	(113.8)	$	(195.3)	$	(1,469.0)	$	7,592.2

(1) Employee Stock Ownership Plan

Three months ended March 31, 2020 (in millions, except per common share data)	Preferred Stock		Common Stock		Additional Paid-In Capital		Retained Earnings		Unallocated ESOP Common Stock		Accumulated Other Comprehensive Loss		Treasury Stock		Total Stockholders’ Equity
Balance at December 31, 2019	$	244.1	$	5.3	$	7,639.4	$	1,512.8	$	(122.9)	$	(166.9)	$	(1,164.6)	$	7,947.2
Net income	—		—		—		130.4		—		—		—		130.4
Total other comprehensive income,    net of tax (note 6)	—		—		—		—		—		74.2		—		74.2
Cash dividend on common stock    ($0.1775 per share)	—		—		—		(77.3)		—		—		—		(77.3)
Cash dividend on preferred stock	—		—		—		(3.5)		—		—		—		(3.5)
Restricted stock and performance-based    share awards	—		—		2.4		—		—		—				2.4
Common stock repurchased (note 6)	—		—		—		—		—		—		(304.4)		(304.4)
ESOP common stock committed to be    released (note 9)	—		—		—		(0.6)		1.8		—		—		1.2
Common stock repurchased and    retired upon vesting of restricted    stock awards	—		—		—		(1.4)		—		—		—		(1.4)
Stock options exercised	—		—		2.6		—		—		—		—		2.6
Transition adjustment related to    adoption of new accounting    standard (note 1)	—		—		—		(45.9)		—		—		—		(45.9)
Balance at March 31, 2020	$	244.1	$	5.3	$	7,644.4	$	1,514.5	$	(121.1)	$	(92.7)	$	(1,469.0)	$	7,725.5

See accompanying notes to consolidated financial statements.

4

People’s United Financial, Inc.

Consolidated Statements of Cash Flows - (Unaudited)

	Three Months Ended March 31,
(in millions)	2021		2020
Cash Flows from Operating Activities:
Net income	$	144.5	$	130.4
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	(13.6)		33.5
Amortization of other acquisition-related intangible assets	11.0		10.7
Depreciation and amortization of premises and equipment	10.8		11.2
Expense related to share-based awards	8.3		7.1
Expense related to operating leases	7.8		9.8
ESOP common stock committed to be released	1.4		1.2
Net gains on sales of loans	(0.1)		(15.5)
Net gains on sales of residential mortgage loans held-for-sale	(1.5)		(0.7)
Originations of loans held-for-sale	(30.4)		(48.7)
Proceeds from sales of loans held-for-sale	48.3		540.6
Net decrease in trading debt securities	—		7.1
Excess income tax benefits from stock option exercises	0.5		—
Net changes in other assets and other liabilities	270.5		(470.9)
Net cash provided by operating activities	457.5		215.8
Cash Flows from Investing Activities:
Proceeds from sales of equity securities	4.7		0.7
Proceeds from principal repayments and maturities of debt securities available-for-sale	332.3		207.9
Proceeds from sales of debt securities available-for-sale	—		0.1
Proceeds from principal repayments and maturities of debt securities held-to-maturity	83.2		94.8
Purchases of debt securities available-for-sale	(1,908.0)		(822.8)
Purchases of debt securities held-to-maturity	(111.4)		(87.3)
Net redemptions (purchases) of Federal Reserve Bank stock	0.4		(24.0)
Net purchases of Federal Home Loan Bank stock	—		(42.2)
Proceeds from sales of loans	33.5		27.8
Net principal collections (disbursements) of loans	1,049.9		(624.9)
Purchases of loans	(13.6)		(8.5)
Purchases of premises and equipment	(10.2)		(7.8)
Purchases of leased equipment, net	—		(3.8)
Proceeds from sales of real estate owned	3.0		3.3
Return of premium on bank-owned life insurance, net	0.4		—
Net cash used in investing activities	(535.8)		(1,286.7)
Cash Flows from Financing Activities:
Net increase in deposits	1,337.6		1,151.6
Net increase in borrowings with terms of three months or less	8.3		766.2
Repayments of borrowings with terms of more than three months	—		(10.1)
Cash dividends paid on common stock	(75.7)		(77.3)
Cash dividends paid on preferred stock	(3.5)		(3.5)
Repurchases of common stock	(1.6)		(305.8)
Proceeds from stock options exercised	26.2		0.7
Net cash provided by financing activities	1,291.3		1,521.8
Net increase in cash and cash equivalents	1,213.0		450.9
Cash and cash equivalents at beginning of period	4,243.3		801.0
Cash and cash equivalents at end of period	$	5,456.3	$	1,251.9
Supplemental Information:
Interest payments	$	29.9	$	105.4
Income tax payments	13.2		13.2
Significant non-cash transactions:
Unsettled purchases of securities	6.5		7.5
Right-of-use assets obtained in exchange for lessee operating lease liabilities	6.0		14.3
Real estate properties acquired by foreclosure	1.2		1.6

See accompanying notes to consolidated financial statements.

5

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

NOTE 1. GENERAL

In the opinion of management, the accompanying unaudited consolidated financial statements of People’s United Financial, Inc. (“People’s United” or the “Company”) have been prepared to reflect all adjustments necessary to present fairly the financial position and results of operations as of the dates and for the periods shown. All significant intercompany transactions and balances are eliminated in consolidation. Certain reclassifications have been made to prior period amounts to conform to the current period presentation.

In preparing the consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Actual results could differ from management’s current estimates, as a result of changing conditions and future events.

Several accounting estimates are particularly critical and are susceptible to significant near-term change, including the allowance for credit losses (“ACL”) and the recoverability of goodwill and other intangible assets. These accounting estimates are reviewed with the Audit Committee of the Board of Directors.

The judgments used by management in applying critical accounting policies may be affected by economic conditions, which may result in changes to future financial results. For example, subsequent evaluations of the loan portfolio, in light of the factors then prevailing, may result in significant changes in the ACL in future periods, and the inability to collect outstanding principal may result in increased credit losses.

Certain information and footnote disclosures normally included in consolidated financial statements prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) have been omitted or condensed. As a result, the accompanying consolidated financial statements should be read in conjunction with People’s United’s Annual Report on
Form 10-K for the year ended December 31, 2020 (the “2020 Form 10-K”). The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results of operations that may be expected for the entire year or any other interim period.

Note 1 to People’s United’s audited consolidated financial statements included in the 2020 Form 10-K, as supplemented by this Quarterly Report for the period ended March 31, 2021, provides disclosure of People’s United’s significant accounting policies.

People’s United holds ownership interests in limited partnerships formed to develop and operate affordable housing units for lower income tenants throughout its franchise area. The underlying partnerships, which are considered variable interest entities, are not consolidated into the Company’s Consolidated Financial Statements. These investments have historically played a role in enabling People’s United Bank, National Association (the “Bank”) to meet its Community Reinvestment Act requirements while, at the same time, providing federal income tax credits.

Affordable housing investments, including all legally binding commitments to fund future investments, are included in other assets in the Consolidated Statements of Condition ($500.0 million and $460.8 million at March 31, 2021 and
December 31, 2020, respectively). Included in other liabilities in the Consolidated Statements of Condition is a liability for all legally binding unfunded commitments to fund future investments ($211.6 million and $182.4 million at those dates). The cost of the Company’s investments is amortized on a straight-line basis over the period during which the related federal income tax credits are realized (generally 10 years). Amortization expense, which is included as a component of income tax expense, totaled $8.2 million and $7.0 million for the three months ended March 31, 2021 and 2020, respectively.

Current Expected Credit Losses

On January 1, 2020, the Company adopted new accounting guidance, which requires entities to estimate and recognize an allowance for lifetime expected credit losses for financial assets measured at amortized cost, including loans, held-to-maturity securities and other receivables, as well as certain off-balance sheet credit exposures (the “CECL standard”). Upon adoption of this guidance, a transition adjustment decreasing opening retained earnings by $45.9 million was recorded. The Company did not change its application of the accounting policies with respect to loans or its methodology for determining the ACL during the three months ended March 31, 2021.

6

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Pending Acquisition

On February 22, 2021, People’s United and M&T Bank Corporation (“M&T”) announced that they have entered into a definitive agreement under which M&T will acquire People’s United in an all-stock transaction. Under the terms of the agreement, each share of People’s United common stock will be converted into the right to receive 0.118 shares of M&T common stock. The merger is expected to close in the fourth quarter of 2021, subject to the satisfaction of customary closing conditions, including receipt of regulatory approvals and approval by the shareholders of each company. Special meetings of stockholders of both companies are scheduled to be held on May 25, 2021. Merger-related expenses recorded for the three months ended March 31, 2021 totaled $7.5 million.

Recent Developments

On January 21, 2021, the Bank announced its decision not to renew its agreements with Stop & Shop to operate
140 in-store branches in Connecticut and New York upon their expiration in 2022. Branch closures will take place over several years using a phased approach. In the first quarter of 2021, the Bank reached an agreement with Stop & Shop on the timing of the exit from all New York in-store branch and ATM locations, which will begin in the third quarter of 2021 with a full exit occurring over four quarters. Contract termination costs totaling $12.1 million were recorded for the three months ended March 31, 2021.

On March 11, 2020, the World Health Organization declared the outbreak of a strain of novel coronavirus disease (“COVID-19”) a global pandemic. Economic activity in many countries, including the United States, began to deteriorate rapidly as the COVID-19 pandemic spread across the globe. In the United States, which has been operating under a presidentially-declared national emergency since March 13, 2020, the COVID-19 pandemic caused severe disruption to the capital markets as well as business and economic activity. Since March 2020, individual municipalities and entire states adopted travel and work location restrictions, social distancing requirements, and in some cases, shelter-in-place protocols in order to slow the spread of the virus. These measures resulted in the closure of many schools, stores, offices, restaurants and manufacturing facilities, causing a decline in spending and an increase in layoffs.

In response, the Federal government introduced several measures to mitigate the magnitude of the pandemic’s effects. Most notably, on March 27, 2020, the Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”), which provides financial assistance for businesses and individuals as well as targeted regulatory relief for financial institutions, was signed into law. This relief package was subsequently followed by additional government stimulus in the form of the Consolidated Appropriations Act, 2021 in December 2020 and the American Rescue Plan in March 2021. The impact of the COVID-19 pandemic on economic conditions, both in the United States and abroad, has created global uncertainty about the future economic environment including the length and depth of any global recession that may occur. Concerns over interest rates, domestic and global policy issues, U.S. trade policy and geopolitical events, and the influence of those factors on the markets in general, further add to this uncertainty.

NOTE 2. CASH AND CASH EQUIVALENTS AND SECURITIES

Included in short-term investments are interest-bearing deposits at the Federal Reserve Bank of New York
(the “FRB-NY”) totaling $4.89 billion at March 31, 2021 and $3.60 billion at December 31, 2020. These deposits represent an alternative to overnight federal funds sold and yielded 0.10% at both March 31, 2021 and December 31, 2020.

7

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The amortized cost, ACL, gross unrealized gains and losses, and fair value of People’s United’s debt securities
available-for-sale and debt securities held-to-maturity are as follows:

As of March 31, 2021 (in millions)	Amortized Cost		ACL		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available-for-sale:
U.S. Treasury and agency	$	529.3	$	—	$	9.9	$	—	$	539.2
GSE (1) mortgage-backed and    CMO (2) securities	5,654.5		—		83.5		(116.6)		5,621.4
Total debt securities    available-for-sale	$	6,183.8	$	—	$	93.4	$	(116.6)	$	6,160.6
Debt securities held-to-maturity:
State and municipal	$	2,916.1	$	(0.1)	$	190.7	$	(6.2)	$	3,100.5
GSE mortgage-backed securities	1,011.0		—		32.3		—		1,043.3
Corporate	89.8		(1.5)		2.0		(0.1)		90.2
Other	1.5		—		—		—		1.5
Total debt securities    held-to-maturity	$	4,018.4	$	(1.6)	$	225.0	$	(6.3)	$	4,235.5

(1)Government sponsored enterprise

(2)Collateralized mortgage obligation

As of December 31, 2020 (in millions)	Amortized Cost		ACL		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available-for-sale:
U.S. Treasury and agency	$	529.8	$	—	$	11.8	$	—	$	541.6
GSE mortgage-backed and    CMO securities	4,274.7		—		110.9		(1.7)		4,383.9
Total debt securities    available-for-sale	$	4,804.5	$	—	$	122.7	$	(1.7)	$	4,925.5
Debt securities held-to-maturity:
State and municipal	$	2,824.3	$	(0.1)	$	236.0	$	—	$	3,060.2
GSE mortgage-backed securities	1,079.9		—		36.4		—		1,116.3
Corporate	89.7		(1.5)		1.0		(0.2)		89.0
Other	1.5		—		—		—		1.5
Total debt securities    held-to-maturity	$	3,995.4	$	(1.6)	$	273.4	$	(0.2)	$	4,267.0

Accrued interest receivable on both available-for-sale and held-to-maturity debt securities is excluded from the estimate of credit losses. At March 31, 2021 and December 31, 2020, accrued interest receivable associated with (i) debt securities
available-for-sale totaling $13.5 million and $10.7 million, respectively, and (ii) debt securities held-to-maturity totaling $30.3 million and $31.5 million, respectively, is reported in other assets in the Consolidated Statements of Condition.

With regard to U.S. Treasury and residential mortgage-backed securities issued by the U.S. government, or agencies thereof, it is expected that the securities will not be settled at prices less than the amortized cost bases of the securities as such securities are backed by the full faith and credit of and/or guaranteed by the U.S. government. Accordingly, no ACL has been recorded for these securities. With regard to securities issued by corporations, states and/or political subdivisions and other held-to-maturity securities, management considers a number of factors, including: (i) issuer bond ratings; (ii) historical loss rates for given bond ratings; and (iii) whether issuers continue to make timely principal and interest payments under the contractual terms of the securities.

8

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

At March 31, 2021, no debt securities held-to-maturity were past due or in non-accrual status. The following table summarizes changes in the ACL on debt securities held-to-maturity for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021						2020
(in millions)	Corporate		State and municipal		Total		Corporate		State and municipal		Total
Balance at beginning of period	$	1.5	$	0.1	$	1.6	$	—	$	—	$	—
CECL transition adjustment	—		—		—		1.8		0.1		1.9
Balance at beginning of period, adjusted	1.5		0.1		1.6		1.8		0.1		1.9
Provision charged (credited) to income	—		—		—		—		—		—
Balance at end of period	$	1.5	$	0.1	$	1.6	$	1.8	$	0.1	$	1.9

Credit Quality Indicators

Credit ratings, which are updated monthly, are a key measure for estimating the probability of a bond’s default and for monitoring credit quality on an on-going basis. For bonds other than U.S. Treasuries and bonds issued or guaranteed by
U.S. government agencies, credit ratings issued by one or more nationally recognized statistical rating organizations such as Moody’s, S&P, Fitch or Kroll are considered in conjunction with an assessment by the Company’s risk management department. In the case of multiple ratings, generally the lower rating prevails. Investment grade reflects a credit rating of
BBB- or above.

The tables below indicate the credit profile of the Company’s debt securities held-to-maturity at amortized cost:

As of March 31, 2021 (in millions)	Investment Grade		Non-Investment Grade		Total
State and municipal	$	2,916.0	$	0.1	$	2,916.1
GSE mortgage-backed securities	1,011.0		—		1,011.0
Corporate	84.8		5.0		89.8
Other	1.5		—		1.5
Total	$	4,013.3	$	5.1	$	4,018.4
As of December 31, 2020 (in millions)	Investment Grade		Non-Investment Grade		Total
State and municipal	$	2,824.1	$	0.2	$	2,824.3
GSE mortgage-backed securities	1,079.9		—		1,079.9
Corporate	84.7		5.0		89.7
Other	1.5		—		1.5
Total	$	3,990.2	$	5.2	$	3,995.4

9

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following tables summarize those debt securities available-for-sale with unrealized losses classified as to the length of time the losses have existed and for which no ACL has been recognized.

	Continuous Unrealized Loss Position
	Less Than 12 Months				12 Months Or Longer				Total
As of March 31, 2021 (in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Debt securities available-for-sale:
GSE mortgage-backed and CMO    securities	$	3,142.2	$	(116.6)	$	—	$	—	$	3,142.2	$	(116.6)
Total	$	3,142.2	$	(116.6)	$	—	$	—	$	3,142.2	$	(116.6)

	Continuous Unrealized Loss Position
	Less Than 12 Months				12 Months Or Longer				Total
As of December 31, 2020 (in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Debt securities available-for-sale:
GSE mortgage-backed and CMO    securities	$	225.5	$	(1.7)	$	—	$	—	$	225.5	$	(1.7)
Total	$	225.5	$	(1.7)	$	—	$	—	$	225.5	$	(1.7)

At March 31, 2021, 391 of the 2,550 debt securities available-for-sale owned by the Company had gross unrealized losses totaling $116.6 million. With respect to those securities with unrealized losses, all of the GSE mortgage-backed and CMO securities had AAA credit ratings and an average contractual maturity of 25 years.

As of March 31, 2021, no ACL has been recognized on debt securities available-for-sale in an unrealized loss position as management does not believe any of those securities are impaired due to reasons of credit quality. Rather, the cause of the gross unrealized losses with respect to all of the debt securities is directly related to changes in interest rates. At this time, management does not intend to sell such securities nor is it more likely than not, based upon available evidence, that management will be required to sell such securities prior to recovery. No credit impairment losses were recorded in the Consolidated Statements of Income during the three ended March 31, 2021 and 2020.

Security transactions are recorded on the trade date. Realized gains and losses are determined using the specific identification method and reported in non-interest income.

At March 31, 2021 and December 31, 2020, debt securities available-for-sale with fair values of $6.16 billion and $4.93 billion, respectively, and debt securities held-to-maturity with amortized costs of $2.07 billion and $2.08 billion, respectively, were pledged as collateral for public deposits and for other purposes.

10

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following table is a summary of the amortized cost and fair value of debt securities as of March 31, 2021, based on remaining period to contractual maturity. Information for GSE mortgage-backed and CMO securities is based on the final contractual maturity dates without considering repayments and prepayments.

	Available-for-Sale				Held-to-Maturity
(in millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
U.S. Treasury and agency:
Within 1 year	$	86.3	$	87.0	$	—	$	—
After 1 but within 5 years	443.0		452.2		—		—
Total	529.3		539.2		—		—
GSE mortgage-backed and CMO securities:
Within 1 year	11.7		11.8		—		—
After 1 but within 5 years	122.9		129.0		816.9		842.3
After 5 but within 10 years	1,481.8		1,500.5		194.1		201.0
After 10 years	4,038.1		3,980.1		—		—
Total	5,654.5		5,621.4		1,011.0		1,043.3
State and municipal:
Within 1 year	—		—		9.5		9.6
After 1 but within 5 years	—		—		279.7		292.2
After 5 but within 10 years	—		—		651.2		700.0
After 10 years	—		—		1,975.7		2,098.7
Total	—		—		2,916.1		3,100.5
Corporate:
Within 1 year	—		—		1.0		1.1
After 1 but within 5 years	—		—		14.8		14.8
After 5 but within 10 years	—		—		74.0		74.3
Total	—		—		89.8		90.2
Other:
After 1 but within 5 years	—		—		1.5		1.5
Total	—		—		1.5		1.5
Total:
Within 1 year	98.0		98.8		10.5		10.7
After 1 but within 5 years	565.9		581.2		1,112.9		1,150.8
After 5 but within 10 years	1,481.8		1,500.5		919.3		975.3
After 10 years	4,038.1		3,980.1		1,975.7		2,098.7
Total	$	6,183.8	$	6,160.6	$	4,018.4	$	4,235.5

Equity investments (other than equity method investments) are measured at fair value with changes in fair value recognized in net income. People’s United recorded unrealized gains/(losses) of $0.1 million and $(1.4) million for the three months ended March 31, 2021 and 2020, respectively, (included in other non-interest income in the Consolidated Statements of Income) relating to the change in fair value of its equity securities.

The Bank, as a member of the Federal Reserve Bank system, is currently required to purchase and hold shares of capital stock in the FRB-NY (total cost of $228.0 million and $228.4 million at March 31, 2021 and December 31, 2020, respectively) in an amount equal to 6% of its capital and surplus. Based on the current capital adequacy and liquidity position of the
FRB-NY, management believes there is no impairment in the Company’s investment at March 31, 2021 and the cost of the investment approximates fair value.

11

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The Bank, as a member of the Federal Home Loan Bank (the “FHLB”) of Boston, is currently required to purchase and hold shares of capital stock in the FHLB of Boston (total cost of $38.2 million at both March 31, 2021 and December 31, 2020) in an amount equal to its membership base investment plus an activity based investment determined according to the Bank’s level of outstanding FHLB advances. Based on the current capital adequacy and liquidity position of the FHLB of Boston, management believes there is no impairment in the Company’s investment at March 31, 2021 and the cost of the investment approximates fair value.

NOTE 3. LOANS

People’s United has identified two loan portfolio segments, Commercial and Retail, which are comprised of the following loan classes:

•Commercial Portfolio: commercial real estate; commercial and industrial; equipment financing; and mortgage warehouse/asset based lending (“MW/ABL”).

•Retail Portfolio: residential mortgage; home equity; and other consumer.

The following table summarizes People’s United’s loans by loan portfolio segment and class:

(in millions)	March 31, 2021		December 31, 2020
Commercial:
Commercial real estate (1)	$	13,520.1	$	13,336.9
Commercial and industrial (1)	10,494.2		10,764.1
Equipment financing	4,927.2		4,930.0
MW/ABL	3,794.0		4,218.2
Total Commercial Portfolio	32,735.5		33,249.2
Retail:
Residential mortgage:
Adjustable-rate	5,105.4		5,517.3
Fixed-rate	2,961.8		3,001.6
Total residential mortgage	8,067.2		8,518.9
Home equity and other consumer:
Home equity	1,873.9		1,997.2
Other consumer	93.1		104.2
Total home equity and other consumer	1,967.0		2,101.4
Total Retail Portfolio	10,034.2		10,620.3
Total loans	$	42,769.7	$	43,869.5

(1)In the first quarter of 2021, the Company completed a portfolio review to ensure consistent classification of certain commercial loans across the Company's franchise and conformity to industry practice for such loans. As a result, approximately $350 million of loans secured by non-owner-occupied commercial properties were prospectively reclassified, in March 2021, from commercial and industrial loans to commercial real estate loans. Prior period balances were not restated to conform to the current presentation.

12

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Paycheck Protection Program

The CARES Act created a loan guarantee program known as the Paycheck Protection Program (“PPP”), the objective of which is to provide small businesses with financial support to cover payroll and certain other qualifying expenses. The Consolidated Appropriations Act, 2021, signed into law in December 2020, included additional funding for first and second draws of PPP loans up to March 31, 2021. In March 2021, the PPP Extension Act of 2021 was signed into law, extending the program to May 31, 2021. Loans made under the PPP are fully guaranteed by the Small Business Administration (“SBA”), whose guarantee is backed by the full faith and credit of the United States. PPP loans also afford borrowers forgiveness up to the principal amount of the loan, plus accrued interest, provided the loan proceeds are used to retain workers and maintain payroll or to make certain mortgage interest, lease and utility payments, and certain other criteria are satisfied. The SBA will reimburse PPP lenders for any amount of a PPP loan that is forgiven, and PPP lenders will not be held liable for any representations made by PPP borrowers in connection with their requests for loan forgiveness. Included in commercial and industrial loans at March 31, 2021 and December 31, 2020 are PPP loans totaling $2.57 billion and $2.28 billion, respectively, and associated deferred loan fees totaling $62.5 million and $45.9 million, respectively. For regulatory capital purposes, PPP loans are assigned a zero risk-weighting as a result of the related SBA guarantee.

Net deferred loan costs, which are included in loans by respective class and exclude deferred fees on loans issued under the PPP, totaled $66.2 million at March 31, 2021 and $68.1 million at December 31, 2020. At March 31, 2021 and
December 31, 2020, accrued interest receivable associated with loans totaled $152.6 million and $159.9 million, respectively, and is reported in other assets in the Consolidated Statements of Condition.

Past Due and Non-Accrual Loans

Loans are considered past due if required principal and interest payments have not been received as of the date such payments were contractually due. A loan is generally considered “non-performing” when it is placed on non-accrual status. A loan is generally placed on non-accrual status when it becomes 90 days past due as to interest or principal payments. A loan may be placed on non-accrual status before it reaches 90 days past due if such loan has been identified as presenting uncertainty with respect to the collectability of interest and principal. A loan past due 90 days or more may remain on accruing status if such loan is both well secured and in the process of collection.

All previously accrued but unpaid interest on non-accrual loans is reversed from interest income in the period in which the accrual of interest is discontinued. Interest payments received on non-accrual loans are generally applied as a reduction of principal if future collections are doubtful, although such interest payments may be recognized as income. Interest income recognized on non-accrual loans for the three months ended March 31, 2021 and 2020 totaled $0.3 million and less than $0.5 million, respectively. A loan remains on non-accrual status until the factors that indicated doubtful collectability no longer exist or until a loan is determined to be uncollectible and is charged-off against the ACL. There were no loans past due 90 days or more and still accruing interest at March 31, 2021 or December 31, 2020.

13

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following tables summarize aging information by class of loan:

			Past Due
As of March 31, 2021 (in millions)	Current		30-89 Days		90 Days or More		Total		Total
Commercial:
Commercial real estate	$	13,442.1	$	25.9	$	52.1	$	78.0	$	13,520.1
Commercial and industrial	10,438.7		5.4		50.1		55.5		10,494.2
Equipment financing	4,854.7		57.2		15.3		72.5		4,927.2
MW/ABL	3,794.0		—		—		—		3,794.0
Total	32,529.5		88.5		117.5		206.0		32,735.5
Retail:
Residential mortgage	8,007.6		24.8		34.8		59.6		8,067.2
Home equity	1,859.7		4.6		9.6		14.2		1,873.9
Other consumer	92.4		0.5		0.2		0.7		93.1
Total	9,959.7		29.9		44.6		74.5		10,034.2
Total loans	$	42,489.2	$	118.4	$	162.1	$	280.5	$	42,769.7

Included in the “Current” and “30-89 Days” categories above are early non-performing commercial real estate loans, commercial and industrial loans, equipment financing loans and MW/ABL loans totaling $38.1 million, $20.6 million, $102.8 million and $1.0 million, respectively, and $31.2 million of retail loans in the process of foreclosure or bankruptcy. These loans are less than 90 days past due but have been placed on non-accrual status as a result of having been identified as presenting uncertainty with respect to the collectability of interest and principal.

			Past Due
As of December 31, 2020 (in millions)	Current		30-89 Days		90 Days or More		Total		Total
Commercial:
Commercial real estate	$	13,283.2	$	27.3	$	26.4	$	53.7	$	13,336.9
Commercial and industrial	10,694.9		17.3		51.9		69.2		10,764.1
Equipment financing	4,846.8		64.0		19.2		83.2		4,930.0
MW/ABL	4,218.2		—		—		—		4,218.2
Total	33,043.1		108.6		97.5		206.1		33,249.2
Retail:
Residential mortgage	8,447.9		32.2		38.8		71.0		8,518.9
Home equity	1,977.3		8.4		11.5		19.9		1,997.2
Other consumer	103.4		0.7		0.1		0.8		104.2
Total	10,528.6		41.3		50.4		91.7		10,620.3
Total loans	$	43,571.7	$	149.9	$	147.9	$	297.8	$	43,869.5

Included in the “Current” and “30-89 Days” categories above are early non-performing commercial real estate loans, commercial and industrial loans, equipment financing loans and MW/ABL loans totaling $34.0 million, $26.0 million, $90.1 million and $1.0 million, respectively, and $32.6 million of retail loans in the process of foreclosure or bankruptcy. These loans are less than 90 days past due but have been placed on non-accrual status as a result of having been identified as presenting uncertainty with respect to the collectability of interest and principal.

14

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The recorded investment in non-accrual loans, by class of loan and year of origination, is summarized as follows:

	Non-Accrual Loans
As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total		Non-Accrual Loans With No ACL
Commercial:
Commercial real estate	$	—	$	—	$	8.5	$	33.1	$	2.6	$	44.0	$	0.3	$	1.7	$	90.2	$	16.3
Commercial and industrial	0.3		—		3.4		2.5		15.9		28.5		5.6		12.0		68.2		28.1
Equipment financing	0.1		16.5		28.9		25.9		28.4		18.3		—		—		118.1		0.6
MW/ABL	—		—		—		—		—		—		—		1.0		1.0		—
Total (1)	0.4		16.5		40.8		61.5		46.9		90.8		5.9		14.7		277.5		45.0
Retail:
Residential mortgage	—		—		2.5		3.9		1.4		49.1		—		—		56.9		26.9
Home equity	—		—		—		0.3		0.5		2.5		—		15.4		18.7		6.9
Other consumer	—		—		—		—		0.1		—		—		0.1		0.2		—
Total (2)	—		—		2.5		4.2		2.0		51.6		—		15.5		75.8		33.8
Total	$	0.4	$	16.5	$	43.3	$	65.7	$	48.9	$	142.4	$	5.9	$	30.2	$	353.3	$	78.8

	Non-Accrual Loans
As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total		Non-Accrual Loans With No ACL
Commercial:
Commercial real estate	$	—	$	8.6	$	9.7	$	2.8	$	1.9	$	35.4	$	0.2	$	1.8	$	60.4	$	10.9
Commercial and industrial	0.2		3.1		2.3		16.2		13.4		17.5		15.5		7.2		75.4		27.8
Equipment financing	16.4		27.4		25.3		25.5		7.8		6.9		—		—		109.3		0.6
MW/ABL	—		—		—		—		—		—		—		1.0		1.0		—
Total (1)	16.6		39.1		37.3		44.5		23.1		59.8		15.7		10.0		246.1		39.3
Retail:
Residential mortgage	—		2.9		3.9		1.8		2.6		51.1		—		—		62.3		28.3
Home equity	—		—		0.4		0.1		0.6		2.8		—		16.6		20.5		7.9
Other consumer	—		0.1		—		0.1		—		—		—		—		0.2		—
Total (2)	—		3.0		4.3		2.0		3.2		53.9		—		16.6		83.0		36.2
Total	$	16.6	$	42.1	$	41.6	$	46.5	$	26.3	$	113.7	$	15.7	$	26.6	$	329.1	$	75.5

(1)Reported net of government guarantees totaling $2.5 million at both March 31, 2021 and December 31, 2020. These government guarantees relate, almost entirely, to guarantees provided by the SBA as well as selected other Federal agencies and represent the carrying value of the loans that are covered by such guarantees, the extent of which (i.e. full or partial) varies by loan. At March 31, 2021, the principal loan classes to which these government guarantees relate are commercial and industrial loans (95%) and commercial real estate loans (5%).

(2)Includes $23.2 million and $23.6 million of loans in the process of foreclosure at March 31, 2021 and
December 31, 2020, respectively.

15

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Collateral Dependent Loans

Loans for which the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the operation or sale of the collateral are considered to be collateral dependent loans. Collateral can have a significant financial effect in mitigating exposure to credit risk and, where there is sufficient collateral, an allowance for expected credit losses is not recognized or is minimal.

For collateral dependent commercial loans, the allowance for expected credit losses is individually assessed based on the fair value of the collateral. Various types of collateral are used, including real estate, inventory, equipment, accounts receivable, securities and cash, among others. For commercial real estate loans, collateral values are generally based on appraisals which are updated based on management judgment under the specific circumstances on a case-by-case basis. The collateral value for other financial assets is generally based on quoted market prices or broker quotes (in the case of securities) or appraisals. Commercial loan balances are charged-off at the time all or a portion of the balance is deemed uncollectible. At
March 31, 2021 and December 31, 2020, the Company had collateral dependent commercial loans totaling $89.8 million and $71.1 million, respectively.

Collateral dependent residential mortgage and home equity loans are carried at the lower of amortized cost or fair value of the collateral less costs to sell, with any excess in the carrying amount of the loan representing the related ACL. Collateral values are based on broker price opinions or appraisals. At March 31, 2021 and December 31, 2020, the Company had collateral dependent residential mortgage and home equity loans totaling $36.1 million and $37.8 million, respectively.

Troubled Debt Restructurings

Troubled Debt Restructurings (“TDRs”), which, beginning in 2020, also includes loans reasonably expected to become TDRs, represent loans for which the original contractual terms have been modified to provide for terms that are less than what the Company would be willing to accept for new loans with comparable risk because of deterioration in the borrower’s financial condition. Such loan modifications are handled on a case-by-case basis and are negotiated to achieve mutually agreeable terms that maximize loan collectability and meet the borrower’s financial needs. Modifications may include changes to one or more terms of the loan, including, but not limited to: (i) payment deferral; (ii) a reduction in the stated interest rate for the remaining contractual life of the loan; (iii) an extension of the loan’s original contractual term at a stated interest rate lower than the current market rate for a new loan with similar risk; (iv) capitalization of interest; or (v) forgiveness of principal or interest.

TDRs may either be accruing or placed on non-accrual status (and reported as non-accrual loans) depending upon the loan’s specific circumstances, including the nature and extent of the related modifications. TDRs on non-accrual status remain classified as such until the loan qualifies for return to accrual status. Loans qualify for return to accrual status once they have demonstrated performance with the restructured terms of the loan agreement for a minimum of six months in the case of a commercial loan or, in the case of a retail loan, when the loan is less than 90 days past due. Loans may continue to be reported as TDRs after they are returned to accrual status. In accordance with regulatory guidance, residential mortgage and home equity loans restructured in connection with the borrower’s bankruptcy and meeting certain criteria are also required to be classified as TDRs, included in non-accrual loans and written down to the estimated collateral value, regardless of delinquency status.

At March 31, 2021 and December 31, 2020, People’s United’s recorded investment in loans classified as TDRs totaled $178.1 million and $196.9 million, respectively, and the related ACL was $16.5 million and $12.0 million at the respective dates. Interest income recognized on TDRs totaled $0.9 million and $1.3 million for the three months ended March 31, 2021 and 2020, respectively. Funding under commitments to lend additional amounts to borrowers with loans classified as TDRs was immaterial for the three months ended March 31, 2021 and 2020. Loans that were modified and classified as TDRs during the three months ended March 31, 2021 and 2020 principally involve reduced payment and/or payment deferral, extension of term (generally no more than two years for commercial loans and ten years for retail loans) and/or a temporary reduction of interest rate (generally less than 200 basis points).

The CARES Act and guidance issued by the Federal banking agencies provides that certain loan modifications to borrowers experiencing financial distress as a result of the economic impacts created by the COVID-19 pandemic are not required to be treated as TDRs under GAAP. As such, the Company suspended TDR accounting for COVID-19 related loan modifications meeting the loan modification criteria set forth under the CARES Act or as specified in the regulatory guidance. Further, loans granted payment deferrals related to COVID-19 are not required to be reported as past due or placed on
non-accrual status (provided the loans were not past due or on non-accrual status prior to the deferral).

16

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following tables summarize, by class of loan, the recorded investments in loans modified as TDRs during the three months ended March 31, 2021 and 2020. For purposes of this disclosure, recorded investments represent amounts immediately prior to and subsequent to the restructuring.

	Three Months Ended March 31, 2021
(dollars in millions)	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial:
Commercial real estate (1)	3	$	13.2	$	13.2
Commercial and industrial (2)	5	2.7		2.7
Equipment financing (3)	5	1.3		1.3
MW/ABL (4)	1	0.7		0.7
Total	14	17.9		17.9
Retail:
Residential mortgage (5)	17	6.1		6.1
Home equity (6)	22	1.5		1.5
Other consumer	—	—		—
Total	39	7.6		7.6
Total	53	$	25.5	$	25.5

(1)Represents the following concessions: extension of term (1 contract; recorded investment of $0.4 million) or a combination of concessions (2 contracts; recorded investment of $12.8 million).

(2)Represents the following concessions: extension of term (4 contracts; recorded investment of $2.6 million); or a combination of concessions (1 contract; recorded investment of $0.1 million).

(3)Represents the following concessions: extension of term (4 contracts; recorded investment of $0.5 million); or a combination of concessions (1 contract; recorded investment of $0.8 million).

(4)Represents the following concessions: extension of term (1 contract; recorded investment of $0.7 million).

(5)Represents the following concessions: loans restructured through bankruptcy (3 contracts; recorded investment of $0.2 million); reduced payment and/or payment deferral (9 contracts; recorded investment of $3.0 million); or a combination of concessions (5 contracts; recorded investment of $2.9 million).

(6)Represents the following concessions: loans restructured through bankruptcy (1 contract; recorded investment of $0.1 million); reduced payment and/or payment deferral (6 contracts; recorded investment of $0.4 million); or a combination of concessions (15 contracts; recorded investment of $1.0 million).

17

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

	Three Months Ended March 31, 2020
(dollars in millions)	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial:
Commercial real estate (1)	5	$	3.7	$	3.7
Commercial and industrial (2)	10	9.0		9.0
Equipment financing (3)	9	3.1		3.1
MW/ABL	—	—		—
Total	24	15.8		15.8
Retail:
Residential mortgage (4)	13	6.2		6.2
Home equity (5)	17	2.1		2.1
Other consumer	—	—		—
Total	30	8.3		8.3
Total	54	$	24.1	$	24.1

(1)Represents the following concessions: extension of term (4 contracts; recorded investment of $3.2 million); or reduced payment and/or payment deferral (1 contract; recorded investment of $0.5 million).

(2)Represents the following concessions: extension of term (5 contracts; recorded investment of $7.4 million); reduced payment and/or payment deferral (1 contract; recorded investment of $0.3 million); or a combination of concessions
(4 contracts; recorded investment of $1.3 million).

(3)Represents the following concessions: extension of term (1 contract; recorded investment of $1.2 million); reduced payment and/or payment deferral (5 contracts; recorded investment of $0.5 million); or a combination of concessions
(3 contracts; recorded investment of $1.4 million).

(4)Represents the following concessions: loans restructured through bankruptcy (3 contracts; recorded investment of $0.6 million); reduced payment and/or payment deferral (9 contracts; recorded investment of $5.5 million); or a combination of concessions (1 contract; recorded investment of $0.1 million).

(5)Represents the following concessions: loans restructured through bankruptcy (5 contracts; recorded investment of $0.5 million); reduced payment and/or payment deferral (1 contract; recorded investment of $0.1 million); or a combination of concessions (11 contracts; recorded investment of $1.5 million).

18

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following is a summary, by class of loan, of information related to TDRs completed within the previous 12 months that subsequently defaulted during the three months ended March 31, 2021 and 2020. For purposes of this disclosure, the previous 12 months is measured from April 1 of the respective prior year and a default represents a previously-modified loan that became past due 30 days or more during the three months ended March 31, 2021 or 2020.

	Three Months Ended March 31,
	2021			2020
(dollars in millions)	Number of Contracts	Recorded Investment as of Period End		Number of Contracts	Recorded Investment as of Period End
Commercial:
Commercial real estate	—	$	—	—	$	—
Commercial and industrial	—	—		1	0.1
Equipment financing	5	0.7		4	2.5
MW/ABL	—	—		—	—
Total	5	0.7		5	2.6
Retail:
Residential mortgage	3	2.1		3	1.3
Home equity	—	—		1	—
Other consumer	—	—		—	—
Total	3	2.1		4	1.3
Total	8	$	2.8	9	$	3.9

Credit Quality Indicators

As part of the on-going monitoring of the credit quality of the loan portfolio, management tracks certain credit quality indicators, including trends related to: (i) internal Commercial loan risk ratings; (ii) internal Retail loan risk classification; and (iii) non-accrual loans (see details above).

Commercial Credit Quality Indicators

The Company utilizes an internal loan risk rating system as a means of monitoring portfolio credit quality and identifying both problem and potential problem loans. Under the Company’s risk rating system, loans not meeting the criteria for problem and potential problem loans as specified below are considered to be “Pass”-rated loans. Problem and potential problem loans are classified as either “Special Mention,” “Substandard” or “Doubtful.” Loans that do not currently expose the Company to sufficient enough risk of loss to warrant classification as either Substandard or Doubtful, but possess weaknesses that deserve management’s close attention, are classified as Special Mention. Substandard loans represent those credits characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Loans classified as Doubtful possess all the weaknesses inherent in those classified Substandard with the added characteristic that collection or liquidation in full, on the basis of existing facts, conditions and values, is highly questionable and/or improbable.

Risk ratings on commercial loans are subject to ongoing monitoring by lending and credit personnel with such ratings updated annually or more frequently, if warranted. The Company’s internal Loan Review function is responsible for independently evaluating the appropriateness of those credit risk ratings in connection with its cyclical reviews, the approach to which is risk-based and determined by reference to underlying portfolio credit quality and the results of prior reviews. Differences in risk ratings noted in conjunction with such periodic portfolio loan reviews, if any, are reported to management each month.

19

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following tables present Commercial loan risk ratings, by class of loan and year of origination:

As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Commercial real    estate:
Pass	$	188.4	$	902.4	$	1,919.8	$	1,506.1	$	1,277.1	$	5,895.1	$	158.4	$	24.3	$	11,871.6
Special Mention	—		78.4		105.7		224.5		157.3		460.7		1.4		—		1,028.0
Substandard	1.0		12.4		28.8		116.6		81.0		372.7		3.1		4.2		619.8
Doubtful	—		—		—		—		—		0.7		—		—		0.7
Total	$	189.4	$	993.2	$	2,054.3	$	1,847.2	$	1,515.4	$	6,729.2	$	162.9	$	28.5	$	13,520.1
Commercial and    industrial:
Pass	$	1,256.8	$	2,197.8	$	987.0	$	679.7	$	501.3	$	1,884.3	$	1,877.0	$	64.2	$	9,448.1
Special Mention	3.0		76.5		55.1		50.6		128.2		178.3		60.0		5.6		557.3
Substandard	2.3		15.1		90.0		59.9		54.1		160.6		83.1		20.9		486.0
Doubtful	—		—		0.4		—		—		2.3		—		0.1		2.8
Total	$	1,262.1	$	2,289.4	$	1,132.5	$	790.2	$	683.6	$	2,225.5	$	2,020.1	$	90.8	$	10,494.2
Equipment financing:
Pass	$	493.4	$	1,557.4	$	1,225.0	$	636.2	$	299.8	$	178.4	$	—	$	—	$	4,390.2
Special Mention	6.6		21.5		25.4		11.1		5.1		1.0		—		—		70.7
Substandard	35.6		155.2		122.8		78.1		43.0		31.6		—		—		466.3
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	535.6	$	1,734.1	$	1,373.2	$	725.4	$	347.9	$	211.0	$	—	$	—	$	4,927.2
MW/ABL:
Pass	$	12.4	$	94.3	$	17.3	$	16.6	$	7.8	$	35.0	$	3,540.5	$	—	$	3,723.9
Special Mention	—		—		6.8		—		—		—		44.7		—		51.5
Substandard	—		—		—		—		—		—		17.6		1.0		18.6
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	12.4	$	94.3	$	24.1	$	16.6	$	7.8	$	35.0	$	3,602.8	$	1.0	$	3,794.0

20

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Commercial real    estate:
Pass	$	848.5	$	1,743.2	$	1,490.4	$	1,397.8	$	1,274.2	$	5,039.3	$	165.8	$	19.7	$	11,978.9
Special Mention	28.5		72.9		225.6		131.2		58.9		362.7		0.5		—		880.3
Substandard	12.0		26.7		63.3		51.9		63.2		252.7		2.8		4.2		476.8
Doubtful	—		—		—		—		—		0.9		—		—		0.9
Total	$	889.0	$	1,842.8	$	1,779.3	$	1,580.9	$	1,396.3	$	5,655.6	$	169.1	$	23.9	$	13,336.9
Commercial and    industrial:
Pass	$	2,952.8	$	1,236.9	$	821.9	$	527.1	$	487.2	$	1,588.5	$	1,949.1	$	77.4	$	9,640.9
Special Mention	113.9		41.7		46.4		120.3		57.1		122.1		80.8		6.3		588.6
Substandard	27.0		86.3		84.2		47.6		29.8		141.2		97.7		18.4		532.2
Doubtful	—		—		—		—		0.8		1.5		—		0.1		2.4
Total	$	3,093.7	$	1,364.9	$	952.5	$	695.0	$	574.9	$	1,853.3	$	2,127.6	$	102.2	$	10,764.1
Equipment financing:
Pass	$	1,703.3	$	1,358.7	$	727.2	$	362.1	$	155.5	$	67.1	$	—	$	—	$	4,373.9
Special Mention	20.5		27.5		16.7		7.3		4.2		1.5		—		—		77.7
Substandard	169.9		137.5		87.7		49.8		17.9		15.6		—		—		478.4
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	1,893.7	$	1,523.7	$	831.6	$	419.2	$	177.6	$	84.2	$	—	$	—	$	4,930.0
MW/ABL:
Pass	$	99.4	$	18.6	$	18.3	$	8.8	$	14.1	$	19.6	$	3,994.3	$	—	$	4,173.1
Special Mention	—		6.9		—		—		—		—		20.5		—		27.4
Substandard	—		1.7		—		—		—		—		15.0		1.0		17.7
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	99.4	$	27.2	$	18.3	$	8.8	$	14.1	$	19.6	$	4,029.8	$	1.0	$	4,218.2

Retail Credit Quality Indicators

Pools of Retail loans with similar risk and loss characteristics are also assessed for losses. These loan pools include residential mortgage, home equity and other consumer loans that are not assigned individual loan risk ratings. Rather, the assessment of these portfolios is based upon a consideration of recent historical loss experience, broader portfolio indicators, including trends in delinquencies, non-accrual loans and portfolio concentrations, and portfolio-specific risk characteristics, the combination of which determines whether a loan is classified as “High”, “Moderate” or “Low” risk.

The portfolio-specific risk characteristics considered include: (i) collateral values/loan-to-value (“LTV”) ratios (above and below 70%); (ii) borrower credit scores under the FICO scoring system (above and below a score of 680); and (iii) other relevant portfolio risk elements such as income verification at the time of underwriting (stated income vs. non-stated income) and the property’s intended use (owner-occupied, non-owner occupied, second home, etc.). In classifying a loan as either “High”, “Moderate” or “Low” risk, the combination of each of the aforementioned risk characteristics is considered for that loan, resulting, effectively, in a “matrix approach” to its risk classification. These risk classifications are reviewed quarterly to ensure that they continue to be appropriate in light of changes within the portfolio and/or economic indicators as well as other industry developments.

21

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

For example, to the extent LTV ratios exceed 70% (reflecting a weaker collateral position for the Company) or borrower FICO scores are less than 680 (reflecting weaker financial standing and/or credit history of the customer), the loans are considered to have an increased level of inherent loss. As a result, a loan with a combination of these characteristics would generally be classified as “High” risk. Conversely, as LTV ratios decline (reflecting a stronger collateral position for the Company) or borrower FICO scores exceed 680 (reflecting stronger financial standing and/or credit history of the customer), the loans are considered to have a decreased level of inherent loss. A loan with a combination of these characteristics would generally be classified as “Low” risk. This analysis also considers (i) the extent of underwriting that occurred at the time of origination (direct income verification provides further support for credit decisions) and (ii) the property’s intended use
(owner-occupied properties are less likely to default compared to ‘investment-type’ non-owner occupied properties, second homes, etc.). Loans not otherwise deemed to be “High” or “Low” risk are classified as “Moderate” risk.

LTV ratios and FICO scores are determined at origination and updated periodically throughout the life of the loan. LTV ratios are updated for loans 90 days past due and FICO scores are updated for the entire portfolio quarterly. The portfolio stratification (“High”, “Moderate” and “Low” risk) and identification of the corresponding credit quality indicators also occurs quarterly.

The following tables present Retail loan risk classification, by class of loan and year of origination:

As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Residential mortgage:
Low Risk	$	95.1	$	695.7	$	332.8	$	300.8	$	457.7	$	2,567.1	$	—	$	—	$	4,449.2
Moderate Risk	144.7		770.5		405.1		364.9		417.1		857.7		—		—		2,960.0
High Risk	41.2		61.0		43.1		84.2		96.8		331.7		—		—		658.0
Total	$	281.0	$	1,527.2	$	781.0	$	749.9	$	971.6	$	3,756.5	$	—	$	—	$	8,067.2
Home equity:
Low Risk	$	0.2	$	1.9	$	6.6	$	18.2	$	22.0	$	34.1	$	560.2	$	45.5	$	688.7
Moderate Risk	0.4		0.4		3.4		9.6		10.0		17.9		485.2		46.0		572.9
High Risk	0.5		2.4		19.3		33.4		19.8		24.1		379.7		133.1		612.3
Total	$	1.1	$	4.7	$	29.3	$	61.2	$	51.8	$	76.1	$	1,425.1	$	224.6	$	1,873.9
Other consumer:
Low Risk	$	0.5	$	0.7	$	1.6	$	1.5	$	0.9	$	3.0	$	11.2	$	0.2	$	19.6
Moderate Risk	—		—		—		—		—		0.1		3.9		0.1		4.1
High Risk	1.3		4.6		22.8		14.9		1.8		8.5		15.3		0.2		69.4
Total	$	1.8	$	5.3	$	24.4	$	16.4	$	2.7	$	11.6	$	30.4	$	0.5	$	93.1

22

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Residential mortgage:
Low Risk	$	609.5	$	349.1	$	338.3	$	504.0	$	1,004.6	$	1,793.8	$	—	$	—	$	4,599.3
Moderate Risk	752.5		456.8		443.9		517.5		520.2		519.8		—		—		3,210.7
High Risk	81.2		60.4		95.0		109.6		86.6		276.1		—		—		708.9
Total	$	1,443.2	$	866.3	$	877.2	$	1,131.1	$	1,611.4	$	2,589.7	$	—	$	—	$	8,518.9
Home equity:
Low Risk	$	1.9	$	7.4	$	21.1	$	24.6	$	10.7	$	25.8	$	580.0	$	42.9	$	714.4
Moderate Risk	0.6		3.7		9.2		12.2		6.6		13.4		520.0		45.3		611.0
High Risk	2.8		21.8		38.1		22.0		7.5		18.8		415.7		145.1		671.8
Total	$	5.3	$	32.9	$	68.4	$	58.8	$	24.8	$	58.0	$	1,515.7	$	233.3	$	1,997.2
Other consumer:
Low Risk	$	0.9	$	1.7	$	1.7	$	0.9	$	0.4	$	2.7	$	11.4	$	0.1	$	19.8
Moderate Risk	—		—		—		—		—		0.1		4.8		0.1		5.0
High Risk	5.5		27.3		17.9		2.3		1.0		8.5		16.8		0.1		79.4
Total	$	6.4	$	29.0	$	19.6	$	3.2	$	1.4	$	11.3	$	33.0	$	0.3	$	104.2

The following table is a summary of revolving loans that converted to term during the three months ended
March 31, 2021:

	Three Months Ended
(in millions)	March 31, 2021
Commercial:
Commercial real estate	$	5.6
Commercial and industrial	17.7
Equipment financing	—
MW/ABL	—
Total	23.3
Retail:
Residential mortgage	—
Home equity	11.8
Other consumer	0.1
Total	11.9
Total	$	35.2

Other Real Estate Owned and Repossessed Assets (included in Other Assets)

Other real estate owned (“REO”) was comprised of commercial and residential properties totaling $3.5 million and $1.5 million, respectively, at March 31, 2021, and $3.6 million and $3.2 million, respectively, at December 31, 2020. Repossessed assets totaled $5.4 million and $5.7 million at March 31, 2021 and December 31, 2020, respectively.

23

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

NOTE 4. ALLOWANCE FOR CREDIT LOSSES

Allowance for Credit Losses – Loans

At March 31, 2021 and December 31, 2020, the collective ACL totaled $374.8 million and $404.6 million, respectively, and the specific allocations of the ACL for loans evaluated on an individual basis totaled $24.3 million and $20.5 million, respectively.

The following table presents a summary, by loan portfolio segment, of activity in the ACL for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021						2020
(in millions)	Commercial		Retail		Total		Commercial		Retail		Total
Balance at beginning of period	$	303.6	$	121.5	$	425.1	$	217.9	$	28.7	$	246.6
CECL transition adjustment	—		—		—		(17.3)		89.5		72.2
Balance at beginning of period, adjusted	303.6		121.5		425.1		200.6		118.2		318.8
Charge-offs	(16.6)		(1.2)		(17.8)		(9.7)		(2.9)		(12.6)
Recoveries	4.1		1.3		5.4		1.4		0.6		2.0
Net loan charge-offs	(12.5)		0.1		(12.4)		(8.3)		(2.3)		(10.6)
Provision for credit losses	(40.1)		26.5		(13.6)		19.5		14.0		33.5
Balance at end of period	$	251.0	$	148.1	$	399.1	$	211.8	$	129.9	$	341.7

Allowance for Credit Losses – Off-Balance-Sheet Credit Exposures

The following table summarizes the changes in the ACL on off-balance-sheet credit exposures for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(in millions)	2021		2020
Balance at beginning of period	$	26.9	$	5.6
CECL transition adjustment	—		14.5
Balance at beginning of period, adjusted	26.9		20.1
Provision charged (credited) to income	0.8		0.6
Balance at end of period	$	27.7	$	20.7

NOTE 5. LEASES

Lessor Arrangements

People’s United provides equipment financing to its customers through a variety of lessor arrangements, some of which may include options to renew and/or for the lessee to purchase the leased equipment at the end of the lease term. Direct financing leases and sales-type leases (collectively, “lease financing receivables”) are carried at the aggregate of lease payments receivable plus the estimated residual value of the leased assets and any initial direct costs incurred to originate these leases, less unearned income, which is accreted to interest income over the lease term using the interest method.

24

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The composition of the Company’s total net investment in lease financing receivables included within equipment financing loans in the Consolidated Statements of Condition was as follows:

(in millions)	March 31, 2021		December 31, 2020
Lease payments receivable	$	1,400.6	$	1,418.4
Estimated residual value of leased assets	132.6		132.7
Gross investment in lease financing receivables	1,533.2		1,551.1
Plus: Deferred origination costs	11.1		11.6
Less: Unearned income	(147.9)		(150.7)
Total net investment in lease financing receivables	$	1,396.4	$	1,412.0

The contractual maturities of the Company’s lease financing receivables were as follows:

(in millions)	March 31, 2021
2021 (1)	$	410.0
2022	451.6
2023	316.1
2024	201.1
2025	112.7
Later years	41.7
Total	$	1,533.2

(1)Contractual maturities for the remaining nine months in 2021.

The following table summarizes People’s United’s total lease income:

	Three Months Ended March 31,
(in millions)	2021		2020
Lease financing receivables	$	16.6	$	17.6
Operating leases	11.3		12.6
Total lease income	$	27.9	$	30.2

Lessee Arrangements

Substantially all of the Company’s lessee arrangements represent non-cancelable operating leases for real estate (primarily branch locations) and office equipment with terms extending through 2054. Under these arrangements, People’s United records right-of-use (“ROU”) assets and corresponding lease liabilities at lease commencement. Lease liabilities are recognized based on the present value of the remaining lease payments and discounted using the Company’s incremental borrowing rate for borrowings of similar term. ROU assets initially equal the related lease liability, adjusted for any lease payments made prior to the lease commencement and any lease incentives. Portions of certain properties are subleased for terms extending through 2028.

Within the Consolidated Statements of Condition, ROU assets are reported in other assets and the related lease liabilities are reported in other liabilities. Lease expense is recognized on a straight-line basis over the lease term and is recorded within occupancy and equipment expense in the Consolidated Statements of Income. Variable lease payments, which generally relate to the non-lease components noted above, are expensed as incurred.

25

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following tables provide the components of lease cost and supplemental information:

	Three Months Ended March 31,
(in millions)	2021		2020
Operating lease cost	$	16.0	$	16.7
Variable lease cost	2.8		3.1
Finance lease cost	0.1		0.1
Sublease income	(0.5)		(0.5)
Net lease cost	$	18.4	$	19.4

(dollars in millions)	March 31, 2021			December 31, 2020
Lease ROU assets:
Operating leases	$	227.4		$	234.9
Finance leases	2.3			2.3
Lease liabilities:
Operating leases	259.7			270.4
Finance leases	4.8			4.9
Weighted-average discount rate:
Operating leases	3.07		%	3.08		%
Finance leases	2.59			2.59
Weighted-average remaining lease term (in years):
Operating leases	7.5			7.6
Finance leases	11.0			11.2

	Three Months Ended March 31,
(in millions)	2021		2020
Cash payments included in the measurement of lease liabilities:
Reported in operating cash from operating leases	$	17.0	$	17.1
Reported in financing cash from finance leases	0.1		0.1
ROU assets obtained in exchange for lessee:
Operating lease liabilities	6.0		14.3

26

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The contractual maturities of the Company’s lease liabilities as of March 31, 2021 were as follows:

(in millions)	Operating Leases		Finance Leases
2021 (1)	$	51.1	$	0.4
2022	49.9		0.5
2023	38.1		0.5
2024	32.1		0.5
2025	27.5		0.5
Later years	95.7		3.1
Total lease payments	294.4		5.5
Less: Interest	(34.7)		(0.7)
Total lease liabilities	$	259.7	$	4.8

(1)Contractual maturities for the remaining nine months in 2021.

NOTE 6. STOCKHOLDERS’ EQUITY

Preferred Stock and Common Stock

People’s United is authorized to issue (i) 50.0 million shares of preferred stock, par value of $0.01 per share, of which 10.0 million shares were issued at both March 31, 2021 and December 31, 2020, and (ii) 1.95 billion shares of common stock, par value of $0.01 per share, of which 536.2 million shares and 533.7 million shares were issued at March 31, 2021 and December 31, 2020, respectively.

Treasury Stock

Treasury stock includes (i) common stock repurchased by People’s United, either directly or through agents, in the open market at prices and terms satisfactory to management in connection with stock repurchases authorized by its Board of Directors (106.4 million shares at both March 31, 2021 and December 31, 2020) and (ii) common stock purchased in the open market by a trustee with funds provided by People’s United and originally intended for awards under the People’s United Financial, Inc. 2007 Recognition and Retention Plan (the “RRP”) (2.6 million shares at both March 31, 2021 and
December 31, 2020). Following shareholder approval of the People’s United Financial, Inc. 2014 Long-Term Incentive Plan in 2014, no new awards may be granted under the RRP.

In June 2019, the Company’s Board of Directors authorized the repurchase of up to 20.0 million shares of People’s United’s outstanding common stock. Such shares may be repurchased, either directly or through agents, in the open market at prices and terms satisfactory to management. During the first quarter of 2020, the Company completed the repurchase authorization by purchasing 19.8 million shares of People’s United common stock at a total cost of $304.4 million.

27

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Comprehensive Income

Comprehensive income represents the sum of net income and items of “other comprehensive income or loss,” including (on an after-tax basis): (i) net actuarial gains and losses, prior service credits and costs, and transition assets and obligations related to People’s United’s pension and other postretirement plans; (ii) net unrealized gains and losses on debt securities available-for-sale; (iii) net unrealized gains and losses on debt securities transferred to held-to-maturity; and (iv) net unrealized gains and losses on derivatives accounted for as cash flow hedges. People’s United’s total comprehensive income for the three months ended March 31, 2021 and 2020 is reported in the Consolidated Statements of Comprehensive Income.

The following is a summary of the changes in the components of accumulated other comprehensive income (loss) (“AOCL”), which are included in People’s United’s stockholders’ equity on an after-tax basis:

(in millions)	Pension and Other Postretirement Plans		Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale		Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity		Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges		Total AOCL
Balance at December 31, 2020	$	(181.8)	$	103.1	$	(8.2)	$	(2.3)	$	(89.2)
Other comprehensive income (loss)    before reclassifications	—		(108.5)		0.1		0.4		(108.0)
Amounts reclassified from AOCL (1)	0.4		—		1.2		0.3		1.9
Current period other comprehensive    income (loss)	0.4		(108.5)		1.3		0.7		(106.1)
Balance at March 31, 2021	$	(181.4)	$	(5.4)	$	(6.9)	$	(1.6)	$	(195.3)

(in millions)	Pension and Other Postretirement Plans		Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale		Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity		Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges		Total AOCL
Balance at December 31, 2019	$	(176.2)	$	20.8	$	(11.8)	$	0.3	$	(166.9)
Other comprehensive income before    reclassifications	—		71.6		—		—		71.6
Amounts reclassified from AOCL (1)	1.6		—		1.0		—		2.6
Current period other comprehensive    income	1.6		71.6		1.0		—		74.2
Balance at March 31, 2020	$	(174.6)	$	92.4	$	(10.8)	$	0.3	$	(92.7)

(1)See the following table for details about these reclassifications.

28

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following is a summary of the amounts reclassified from AOCL:

	Amounts Reclassified from AOCL				Affected Line Item in the Statement Where Net Income is Presented
	Three Months Ended March 31,
(in millions)	2021		2020
Details about components of AOCL:
Amortization of pension and other    postretirement plans items:
Net actuarial loss	$	(2.6)	$	(2.0)	(1)
	(2.6)		(2.0)		Income before income tax expense
	2.2		0.4		Income tax expense
	(0.4)		(1.6)		Net income
Reclassification adjustment for net    realized gains (losses) on debt    securities available-for-sale	—		—		Income before income tax expense (2)
	—		—		Income tax expense
	—		—		Net income
Amortization of unrealized losses on    debt securities transferred to    held-to-maturity	(1.6)		(1.3)		Income before income tax expense (3)
	0.4		0.3		Income tax expense
	(1.2)		(1.0)		Net income
Amortization of unrealized gains and    losses on cash flow hedges:
Interest rate swaps	(0.4)		—		(5)
Interest rate locks (4)	—		—		(5)
	(0.4)		—		Income before income tax expense
	0.1		—		Income tax expense
	(0.3)		—		Net income
Total reclassifications for the period	$	(1.9)	$	(2.6)

(1)Included in the computation of net periodic benefit income (expense) reflected in other non-interest expense (see Note 9 for additional details).

(2)Included in other non-interest income.

(3)Included in interest and dividend income - securities.

(4)Amount reclassified from AOCL totaled less than $0.1 million for both periods.

(5)Included in interest expense - notes and debentures.

29

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

NOTE 7. EARNINGS PER COMMON SHARE

The following is an analysis of People’s United’s basic and diluted earnings per common share (“EPS”), reflecting the application of the two-class method, as described below:

	Three Months Ended March 31,
(in millions, except per common share data)	2021		2020
Net income available to common shareholders	$	141.0	$	126.9
Dividends paid on and undistributed earnings allocated to    participating securities	—		—
Earnings attributable to common shareholders	$	141.0	$	126.9
Weighted average common shares outstanding for basic EPS	419.1		427.2
Effect of dilutive equity-based awards	3.5		2.6
Weighted average common shares and common-equivalent    shares for diluted EPS	422.6		429.8
EPS:
Basic	$	0.34	$	0.30
Diluted	0.33		0.30

Unvested share-based payment awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered to participate with common stock in undistributed earnings for purposes of computing EPS. Companies that have such participating securities, including People’s United, are required to calculate basic and diluted EPS using the two-class method. Restricted stock awards granted by People’s United prior to 2017 are considered participating securities. Calculations of EPS under the two-class method (i) exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities and (ii) exclude from the denominator the dilutive impact of the participating securities.

All unallocated ESOP common shares and all common shares accounted for as treasury shares have been excluded from the calculation of basic and diluted EPS. Anti-dilutive equity-based awards totaling 11.7 million shares and 12.9 million shares for the three months ended March 31, 2021 and 2020, respectively, have also been excluded from the calculation of diluted EPS.

NOTE 8. GOODWILL AND OTHER ACQUISITION-RELATED INTANGIBLE ASSETS

Recent acquisitions have been undertaken with the objective of expanding the Company’s business, both geographically and through product offerings, as well as realizing synergies and economies of scale by combining with the acquired entities. For these reasons, a market-based premium was paid for the acquired entities which, in turn, resulted in the recognition of goodwill, representing the excess of the respective purchase prices over the estimated fair value of the net assets acquired.

People’s United’s goodwill totaled $2.68 billion at both March 31, 2021 and December 31, 2020, and was allocated to its operating segments as follows: Commercial Banking ($1.97 billion); Retail Banking ($657.9 million); and Wealth Management ($56.8 million).

Based on the quantitative assessment performed as of October 1, 2020, People’s United recognized, in the quarter ended December 31, 2020, a non-cash goodwill impairment charge totaling $353.0 million (representing 12% of total goodwill) associated with the Retail Banking reporting unit, while the fair values of the Commercial Banking and Wealth Management reporting units continued to exceed the respective carrying values by 4% and 103%, respectively.

30

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Subsequent to the October 1st measurement date, an improved outlook with regard to interest rates and a reduction in the level of economic uncertainty due, in part, to widespread distribution of the COVID-19 vaccine, has resulted in significant appreciation in People’s United’s stock price, market capitalization and expectations with respect to future earnings and cash flows. The Company qualitatively assessed, as of March 31, 2021, recent potential triggering events that could serve as indicators that the carrying amount of its goodwill is impaired. Based on this evaluation, which also considered the results of the 2020 impairment assessment, the Company concluded that it was not more likely than not that the fair value of any reporting unit was less than its carrying amount at that date.

All of People’s United’s tax deductible goodwill was created in transactions in which the Company purchased the assets of the target (as opposed to purchasing the issued and outstanding stock of the target). At March 31, 2021 and
December 31, 2020, tax deductible goodwill totaled $111.1 million and $113.6 million, respectively.

People’s United’s other acquisition-related intangible assets totaled $153.8 million and $165.1 million at March 31, 2021 and December 31, 2020, respectively. At March 31, 2021, the carrying amounts of other acquisition-related intangible assets were as follows: core deposit intangible ($91.0 million); trade name intangible ($42.8 million); client relationships intangible ($15.4 million); trust relationships intangible ($4.4 million); favorable lease agreements ($0.1 million); and non-compete agreements ($0.1 million).

Amortization expense of other acquisition-related intangible assets totaled $11.0 million and $10.7 million for the three months ended March 31, 2021 and 2020, respectively. Scheduled amortization expense attributable to other acquisition-related intangible assets for the full-year of 2021 and each of the next five years is as follows: $35.4 million in 2021; $30.9 million in 2022; $23.2 million in 2023; $19.5 million in 2024; $16.6 million in 2025; and $13.7 million in 2026. There were no impairment losses relating to goodwill or other acquisition-related intangible assets recorded in the Consolidated Statements of Income during the three months ended March 31, 2021 and 2020.

NOTE 9. EMPLOYEE BENEFIT PLANS

People’s United Employee Pension and Other Postretirement Plans

People’s United maintains a qualified noncontributory defined benefit pension plan (the “People’s Qualified Plan”) that covers substantially all full-time and part-time employees who (i) meet certain age and length of service requirements and (ii) were employed by the Bank prior to August 14, 2006. Benefits are based upon the employee’s years of credited service and either the average compensation for the last five years or the average compensation for the five consecutive years of the last
ten years that produce the highest average.

New employees of the Bank starting on or after August 14, 2006 are not eligible to participate in the People’s Qualified Plan. Instead, the Bank makes contributions on behalf of these employees to a qualified defined contribution plan in an annual amount equal to 3% of the employee’s eligible compensation. Employee participation in this plan is restricted to employees who (i) are at least 18 years of age and (ii) worked at least 1,000 hours in a year. Both full-time and part-time employees are eligible to participate as long as they meet these requirements.

In July 2011, the Bank amended the People’s Qualified Plan to “freeze”, effective December 31, 2011, the accrual of pension benefits for People’s Qualified Plan participants. As such, participants will not earn any additional benefits after that date. Instead, effective January 1, 2012, the Bank began making contributions on behalf of these participants to a qualified defined contribution plan in an annual amount equal to 3% of the employee’s eligible compensation.

In addition to the People’s Qualified Plan, People’s United continues to maintain the qualified defined benefit pension plan that covers former United Financial Bancorp, Inc. employees who meet certain eligibility requirements (the “United Financial Qualified Plan”). All benefits under this plan were frozen effective December 31, 2012. Effective March 31, 2021, the United Financial Qualified Plan was merged into the People's Qualified Plan.

People’s United’s funding policy is to contribute the amounts required by applicable regulations, although additional amounts may be contributed from time to time.

31

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

People’s United also maintains (i) unfunded, nonqualified supplemental plans to provide retirement benefits to certain senior officers (the “People’s Supplemental Plans”) and (ii) an unfunded plan that provides retirees with optional medical, dental and life insurance benefits (the “People’s Postretirement Plan”). People’s United accrues the cost of these postretirement benefits over the employees’ years of service to the date of their eligibility for such benefit. People’s United also continues to maintain: (1) for certain eligible former First Connecticut Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “First Connecticut Supplemental Plan”) and (ii) unfunded plans that provide medical, dental and life insurance benefits (the “First Connecticut Postretirement Plans”); (2) for certain eligible former BSB Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “BSB Bancorp Supplemental Plan”) and (ii) unfunded plans that provide life insurance benefits (the “BSB Bancorp Post Retirement Welfare (Life Insurance) Plan”); and (3) for certain former United Financial Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “United Financial Supplemental Plan”) and (ii) unfunded plans that provide medical, dental and life insurance benefits (the “United Financial Postretirement Benefit Plan”).

Components of net periodic benefit (income) expense and other amounts recognized in other comprehensive income (loss) for (i) the People’s Qualified Plan, the United Financial Qualified Plan, the People’s Supplemental Plans, the First Connecticut Supplemental Plan, the BSB Bancorp Supplemental Plan and the United Financial Supplemental Plan (together the “Pension Plans”) and (ii) the People’s Postretirement Plan, the First Connecticut Postretirement Plans, the BSB Bancorp Post Retirement Welfare (Life Insurance) Plan and the United Financial Postretirement Plan (together the “Other Postretirement Plans”) are as follows:

	Pension Plans				Other Postretirement Plans
Three months ended March 31 (in millions)	2021		2020		2021		2020
Net periodic benefit (income) expense:
Interest cost	$	3.6	$	4.9	$	0.2	$	0.3
Expected return on plan assets	(13.2)		(12.4)		—		—
Recognized net actuarial loss	2.6		2.0		—		—
Settlements	0.3		0.8		—		—
Net periodic benefit (income) expense	(6.7)		(4.7)		0.2		0.3
Other changes in plan assets and benefit obligations    recognized in other comprehensive income (loss):
Net actuarial loss	(2.6)		(2.0)		—		—
Total pre-tax changes recognized in other    comprehensive income (loss)	(2.6)		(2.0)		—		—
Total recognized in net periodic benefit (income)    expense and other comprehensive income (loss)	$	(9.3)	$	(6.7)	$	0.2	$	0.3

 Employee Stock Ownership Plan

In April 2007, People’s United established an ESOP. At that time, People’s United loaned the ESOP $216.8 million to purchase 10,453,575 shares of People’s United common stock in the open market. In order for the ESOP to repay the loan, People’s United expects to make annual cash contributions of approximately $18.8 million until 2036. Such cash contributions may be reduced by the cash dividends paid on unallocated ESOP shares, which, for the three months ended March 31, 2021, totaled $1.0 million. At March 31, 2021, the loan balance totaled $166.7 million.

Employee participation in this plan is restricted to those employees who (i) are at least 18 years of age and (ii) worked at least 1,000 hours within 12 months of their hire date or any plan year (January 1 to December 31) after their date of hire. Employees meeting the aforementioned eligibility criteria during the plan year must continue to be employed as of the last day of the plan year in order to receive an allocation of shares for that plan year.

Shares of People’s United common stock are held by the ESOP and allocated to eligible participants annually based upon a percentage of each participant’s eligible compensation. Since the ESOP was established, a total of 4,965,448 shares of People’s United common stock have been allocated or committed to be released to participants’ accounts. At March 31, 2021, 5,488,127 shares of People’s United common stock, with a fair value of $98.2 million at that date, have not been allocated or committed to be released.

32

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Compensation expense related to the ESOP is recognized at an amount equal to the number of common shares committed to be released by the ESOP for allocation to participants’ accounts multiplied by the average fair value of People’s United’s common stock during the reporting period. The difference between the fair value of the shares of People’s United’s common stock committed to be released and the cost of those common shares is recorded as a credit to additional paid-in capital (if fair value exceeds cost) or, to the extent that no such credits remain in additional paid-in capital, as a charge to retained earnings (if fair value is less than cost). Expense recognized for the ESOP totaled $1.4 million and $1.2 million for the three months ended March 31, 2021 and 2020, respectively.

NOTE 10. LEGAL PROCEEDINGS

In the normal course of business, People’s United is subject to various legal proceedings. Management has discussed with legal counsel the nature of these legal proceedings and, based on the advice of counsel and the information currently available, believes that the eventual outcome of these legal proceedings will not have a material adverse effect on People’s United’s financial condition, results of operations or liquidity.

NOTE 11. SEGMENT INFORMATION

See “Segment Results” included in Item 2 for segment information for the three months ended March 31, 2021 and 2020.

NOTE 12. FAIR VALUE MEASUREMENTS

Accounting standards related to fair value measurements define fair value, provide a framework for measuring fair value and establish related disclosure requirements. Broadly, fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. Accordingly, an “exit price” approach is required in determining fair value. In support of this principle, a fair value hierarchy has been established that prioritizes the inputs used to measure fair value, requiring entities to maximize the use of market or observable inputs (as more reliable measures) and minimize the use of unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs generally require significant management judgment.

The three levels within the fair value hierarchy are as follows:

•Level 1 – Unadjusted quoted market prices for identical assets or liabilities in active markets that the entity has the ability to access at the measurement date (such as active exchange-traded equity securities or mutual funds and certain U.S. and government agency debt securities).

•Level 2 – Observable inputs other than quoted prices included in Level 1, such as:

▪quoted prices for similar assets or liabilities in active markets (such as U.S. agency and GSE issued
mortgage-backed and CMO securities);

▪quoted prices for identical or similar assets or liabilities in less active markets (such as certain U.S. and government agency debt securities, and corporate and municipal debt securities that trade infrequently); and

▪other inputs that (i) are observable for substantially the full term of the asset or liability (e.g. interest rates, yield curves, prepayment speeds, default rates, etc.) or (ii) can be corroborated by observable market data (such as interest rate and currency derivatives and certain other securities).

•Level 3 – Valuation techniques that require unobservable inputs that are supported by little or no market activity and are significant to the fair value measurement of the asset or liability (such as pricing models, discounted cash flow methodologies and similar techniques that typically reflect management’s own estimates of the assumptions a market participant would use in pricing the asset or liability).

33

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

People’s United maintains policies and procedures to value assets and liabilities using the most relevant data available. Described below are the valuation methodologies used by People’s United and the resulting fair values for those financial instruments measured at fair value on both a recurring and a non-recurring basis. For those financial instruments not measured at fair value either on a recurring or non-recurring basis, disclosure of each instrument’s carrying amount and estimated fair value has been provided.

Recurring Fair Value Measurements

Trading Debt Securities, Equity Securities and Debt Securities Available-For-Sale

When available, People’s United uses quoted market prices for identical securities received from an independent, nationally-recognized, third-party pricing service (as discussed further below) to determine the fair value of investment securities such as U.S. Treasury and agency securities and equity securities that are included in Level 1. When quoted market prices for identical securities are unavailable, People’s United uses prices provided by the independent pricing service based on recent trading activity and other observable information including, but not limited to, market interest rate curves, referenced credit spreads and estimated prepayment rates where applicable. These investments include certain U.S. and government agency debt securities, corporate and municipal debt securities, and GSE mortgage-backed and CMO securities, all of which are included in Level 2.

The Company’s debt securities available-for-sale are primarily comprised of GSE mortgage-backed securities. The fair

value of these securities is based on prices obtained from the independent pricing service. The pricing service uses various

techniques to determine pricing for the Company’s mortgage-backed securities, including option pricing and discounted cash

flow analysis. The inputs include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, benchmark securities,

bids, offers, reference data, monthly payment information and collateral performance. At both March 31, 2021 and
December 31, 2020, the mortgage-backed securities available-for-sale portfolio was entirely comprised of GSE
mortgage-backed and CMO securities with original final maturities ranging from 7 to 40 years. An active market exists for securities that are similar to the Company’s GSE mortgage-backed and CMO securities, making observable inputs readily available.

Changes in the prices obtained from the pricing service are analyzed from month to month, taking into consideration changes in market conditions including changes in mortgage spreads, changes in U.S. Treasury security yields and changes in generic pricing of securities with similar duration. As a further point of validation, the Company generates its own month-end fair value estimate for all mortgage-backed securities, and state and municipal securities. While the Company has not adjusted the prices obtained from the independent pricing service, any notable differences between those prices and the Company’s estimates are subject to further analysis. This additional analysis may include a review of prices provided by other independent parties, a yield analysis, a review of average life changes using Bloomberg analytics and a review of historical pricing for the particular security. Based on management’s review of the prices provided by the pricing service, the fair values incorporate observable market inputs used by market participants at the measurement date and, as such, are classified as Level 2 securities.

Other Assets

As discussed in Note 9, certain unfunded nonqualified supplemental plans have been established to provide retirement benefits to certain senior officers. People’s United has funded two trusts to provide benefit payments to the extent such benefits are not paid directly by People’s United, the assets of which are included in other assets in the Consolidated Statements of Condition. When available, People’s United determines the fair value of the trust assets using quoted market prices for identical securities received from a third-party nationally recognized pricing service.

Derivatives

People’s United values its derivatives using internal models that are based on market or observable inputs including interest rate curves and forward/spot prices for selected currencies. Derivative assets and liabilities included in Level 2 represent interest rate swaps and caps, foreign exchange contracts, risk participation agreements, forward commitments to sell residential mortgage loans and interest rate-lock commitments on residential mortgage loans.

34

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following tables summarize People’s United’s financial instruments that are measured at fair value on a recurring basis:

	Fair Value Measurements Using
As of March 31, 2021 (in millions)	Level 1		Level 2		Level 3		Total
Financial assets:
Debt securities available-for-sale:
U.S. Treasury and agency	$	539.2	$	—	$	—	$	539.2
GSE mortgage-backed and CMO securities	—		5,621.4		—		5,621.4
Equity securities	1.5		—		—		1.5
Other assets:
Exchange-traded funds	83.2		—		—		83.2
Mutual funds	3.7		—		—		3.7
Interest rate swaps	—		479.1		—		479.1
Interest rate caps	—		2.3		—		2.3
Foreign exchange contracts	—		13.0		—		13.0
Forward commitments to sell residential mortgage loans	—		0.1		—		0.1
Total	$	627.6	$	6,115.9	$	—	$	6,743.5
Financial liabilities:
Interest rate swaps	$	—	$	122.9	$	—	$	122.9
Interest rate caps	—		2.3		—		2.3
Risk participation agreements	—		0.3		—		0.3
Foreign exchange contracts	—		5.5		—		5.5
Interest rate-lock commitments on residential mortgage loans	—		0.1		—		0.1
Total	$	—	$	131.1	$	—	$	131.1

35

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

	Fair Value Measurements Using
As of December 31, 2020 (in millions)	Level 1		Level 2		Level 3		Total
Financial assets:
Debt securities available-for-sale:
U.S. Treasury and agency	541.6		—		—		541.6
GSE mortgage-backed and CMO securities	—		4,383.9		—		4,383.9
Equity securities	5.3		—		—		5.3
Other assets:
Exchange-traded funds	53.0		—		—		53.0
Mutual funds	3.9		—		—		3.9
Interest rate swaps	—		783.8		—		783.8
Interest rate caps	—		3.0		—		3.0
Foreign exchange contracts	—		12.8		—		12.8
Forward commitments to sell residential mortgage loans	—		0.7		—		0.7
Total	$	603.8	$	5,184.2	$	—	$	5,788.0
Financial liabilities:
Interest rate swaps	$	—	$	157.2	$	—	$	157.2
Interest rate caps	—		3.0		—		3.0
Risk participation agreements	—		0.4		—		0.4
Foreign exchange contracts	—		8.8		—		8.8
Interest rate-lock commitments on residential mortgage loans	—		1.0		—		1.0
Total	$	—	$	170.4	$	—	$	170.4

Non-Recurring Fair Value Measurements

The valuation techniques and inputs used by People’s United for those assets measured at fair value on a non-recurring basis, excluding goodwill, are described below.

Loans Held-for-Sale

Loans held-for-sale are recorded at the lower of amortized cost or fair value and are therefore measured at fair value on a non-recurring basis. When available, People’s United uses observable secondary market data, including pricing on recent closed market transactions for loans with similar characteristics. Accordingly, such loans are classified as Level 2 measurements. When observable data is unavailable, valuation methodologies using current market interest rate data adjusted for inherent credit risk are used, and such loans are included in Level 3.

Collateral Dependent Loans

The Company’s approach to determining the fair value of collateral dependent loans is described in Note 3, “Loans”.

People’s United has estimated the fair values of these assets using Level 3 inputs, such as discounted cash flows based on inputs that are largely unobservable and, instead, reflect management’s own estimates of the assumptions a market participant would use in pricing such loans and/or the fair value of collateral based on independent third-party appraisals for collateral dependent loans. Such appraisals are based on the market and/or income approach to value and are subject to a discount (to reflect estimated cost to sell) that generally approximates 10%.

36

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

REO and Repossessed Assets

REO and repossessed assets are recorded at the lower of cost or fair value, less estimated selling costs, and are therefore measured at fair value on a non-recurring basis. People’s United has estimated the fair values of these assets using Level 3 inputs, such as independent third-party appraisals and price opinions. Such appraisals are based on the market and/or income approach to value and are subject to a discount (to reflect estimated cost to sell) that generally approximates 10%. Assets that are acquired through loan default are recorded as held-for-sale initially at the lower of the recorded investment in the loan or fair value (less estimated selling costs) upon the date of foreclosure/repossession. Subsequent to foreclosure/repossession, valuations are updated periodically and the carrying amounts of these assets may be reduced further.

Mortgage Servicing Rights

Mortgage servicing rights are evaluated for impairment based upon the fair value of the servicing rights as compared to their amortized cost. The fair value of mortgage servicing rights is based on a valuation model that calculates the present value of estimated net servicing income. This model incorporates certain assumptions that market participants would likely use in estimating future net servicing income, such as interest rates, prepayment speeds and the cost to service (including delinquency and foreclosure costs), all of which require a degree of management judgment. Adjustments are only recorded when the discounted cash flows derived from the valuation model are less than the carrying value of the asset. As such, mortgage servicing rights are subject to measurement at fair value on a non-recurring basis and are classified as Level 3 assets.

The following tables summarize People’s United’s assets that are measured at fair value on a non-recurring basis:

	Fair Value Measurements Using
As of March 31, 2021 (in millions)	Level 1		Level 2		Level 3		Total
Loans held-for-sale (1)	$	—	$	10.1	$	—	$	10.1
Collateral dependent loans (2)	—		—		45.4		45.4
REO and repossessed assets (3)	—		—		10.4		10.4
Mortgage servicing rights (4)	—		—		5.3		5.3
Total	$	—	$	10.1	$	61.1	$	71.2
	Fair Value Measurements Using
As of December 31, 2020 (in millions)	Level 1		Level 2		Level 3		Total
Goodwill (5)	$	—	$	—	$	2,680.8	$	2,680.8
Loans held-for-sale (1)	—		26.5		—		26.5
Collateral dependent loans (2)	—		—		32.8		32.8
REO and repossessed assets (3)	—		—		12.5		12.5
Mortgage servicing rights (4)	—		—		4.8		4.8
Total	$	—	$	26.5	$	2,730.9	$	2,757.4

(1)Consists of residential mortgage loans; no fair value adjustments were recorded for the three months ended
March 31, 2021 and 2020.

(2)Represents the recorded investment in collateral dependent loans with a related ACL totaling $24.3 million and $20.5 million measured in accordance with applicable accounting guidance at March 31, 2021 and December 31, 2020, respectively. The provision for credit losses on collateral dependent loans totaled $7.3 million and $3.9 million for the three months ended March 31, 2021 and 2020, respectively.

(3)Represents: (i) $3.5 million of commercial REO; (ii) $1.5 million of residential REO; and (iii) $5.4 million of repossessed assets at March 31, 2021. Charge-offs to the ACL related to loans that were transferred to REO or repossessed assets totaled $0.2 million and $1.2 million for the three months ended March 31, 2021 and 2020, respectively. Write downs and net (gains) losses on sale of foreclosed/repossessed assets charged to non-interest expense totaled $(0.7) million and $0.4 million for the same periods.

(4)Fair value adjustments totaling $0.5 million and $(3.0) million were recorded for the three months ended
March 31, 2021 and 2020, respectively.

(5)Goodwill was evaluated for impairment as of October 1, 2020 (the Company’s annual measurement date).

37

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Financial Assets and Financial Liabilities Not Measured At Fair Value

The following tables summarize the carrying amounts, estimated fair values and placement in the fair value hierarchy of People’s United’s financial instruments that are not measured at fair value either on a recurring or non-recurring basis: 

	Carrying Amount		Estimated Fair Value Measurements Using
As of March 31, 2021 (in millions)			Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	464.2	$	464.2	$	—	$	—	$	464.2
Short-term investments	4,992.1		—		4,992.1		—		4,992.1
Debt securities held-to-maturity, net	4,016.8		—		4,234.0		1.5		4,235.5
FRB and FHLB stock	266.2		—		266.2		—		266.2
Total loans, net (1)	42,325.2		—		8,007.3		34,561.0		42,568.3
Financial liabilities:
Time deposits	4,908.3		—		4,939.7		—		4,939.7
Other deposits	48,567.0		—		48,567.0		—		48,567.0
FHLB advances	569.7		—		570.0		—		570.0
Customer repurchase agreements	436.2		—		436.1		—		436.1
Federal funds purchased	150.0		—		150.0		—		150.0
Notes and debentures	1,003.3		—		1,036.8		—		1,036.8

	Carrying Amount		Estimated Fair Value Measurements Using
As of December 31, 2020 (in millions)			Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	477.3	$	477.3	$	—	$	—	$	477.3
Short-term investments	3,766.0		—		3,766.0		—		3,766.0
Debt securities held-to-maturity	3,993.8		—		4,265.5		1.5		4,267.0
FRB and FHLB stock	266.6		—		266.6		—		266.6
Total loans, net (1)	43,411.6		—		8,539.4		35,294.0		43,833.4
Financial liabilities:
Time deposits	5,658.8		—		5,699.7		—		5,699.7
Other deposits	46,478.9		—		46,478.9		—		46,478.9
FHLB advances	569.7		—		570.3		—		570.3
Federal funds purchased	452.9		—		452.9		—		452.9
Customer repurchase agreements	125.0		—		125.0		—		125.0
Notes and debentures	1,009.6		—		1,035.8		—		1,035.8

(1)Excludes collateral dependent loans totaling $45.4 million at March 31, 2021 and $32.8 million at December 31, 2020, both measured at fair value on a non-recurring basis.

38

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

NOTE 13. DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES

People’s United uses derivative financial instruments as components of its market risk management (principally to manage interest rate risk (“IRR”)). Certain other derivatives are entered into in connection with transactions with commercial customers. Derivatives are not used for speculative purposes.

All derivatives are recognized as either assets or liabilities in the Consolidated Statements of Condition, reported at fair value and presented on a gross basis. Until a derivative is settled, a favorable change in fair value results in an unrealized gain that is recognized as an asset, while an unfavorable change in fair value results in an unrealized loss that is recognized as a liability.

The Company generally applies hedge accounting to its derivatives used for market risk management purposes. Hedge accounting is permitted only if specific criteria are met, including a requirement that a highly effective relationship exist between the derivative instrument and the hedged item, both at inception of the hedge and on an ongoing basis. The hedge accounting method depends upon whether the derivative instrument is classified as a fair value hedge (i.e. hedging an exposure related to a recognized asset or liability, or a firm commitment) or a cash flow hedge (i.e. hedging an exposure related to the variability of future cash flows associated with a recognized asset or liability, or a forecasted transaction). Changes in the fair value of effective fair value hedges are recognized in current earnings (with the change in fair value of the hedged asset or liability also recorded in earnings). Changes in the fair value of effective cash flow hedges are recognized in other comprehensive income (loss) until earnings are affected by the variability in cash flows of the designated hedged item. Ineffective portions of hedge results are recognized in current earnings. Changes in the fair value of derivatives for which hedge accounting is not applied are recognized in current earnings.

People’s United formally documents at inception all relationships between the derivative instruments and the hedged items, as well as its risk management objectives and strategies for undertaking the hedge transactions. This process includes linking all derivatives that are designated as hedges to specific assets and liabilities, or to specific firm commitments or forecasted transactions. People’s United also formally assesses, both at inception of the hedge and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting changes in the fair values or cash flows of the hedged items. If it is determined that a derivative is not highly effective or has ceased to be a highly effective hedge, People’s United would discontinue hedge accounting prospectively. Gains or losses resulting from the termination of a derivative accounted for as a cash flow hedge remain in AOCL and are amortized to earnings over the remaining period of the former hedging relationship, provided the hedged item continues to be outstanding or it is probable the forecasted transaction will occur.

People’s United uses the dollar offset method, regression analysis and scenario analysis to assess hedge effectiveness at inception and on an ongoing basis. Such methods are chosen based on the nature of the hedge strategy and are used consistently throughout the life of the hedging relationship.

Certain derivative financial instruments are offered to commercial customers to assist them in meeting their financing and investing objectives and for their risk management purposes. These derivative financial instruments consist primarily of interest rate swaps and caps, but also include foreign exchange contracts. The interest rate and foreign exchange risks associated with customer interest rate swaps and caps and foreign exchange contracts are mitigated by entering into similar derivatives having essentially offsetting terms with institutional counterparties.

Interest rate-lock commitments extended to borrowers relate to the origination of residential mortgage loans. To mitigate the IRR inherent in these commitments, People’s United enters into mandatory delivery and best efforts contracts to sell adjustable-rate and fixed-rate residential mortgage loans (servicing released). Forward commitments to sell and interest
rate-lock commitments on residential mortgage loans are considered derivatives and their respective estimated fair values are adjusted based on changes in interest rates.

Changes in the fair value of derivatives for which hedge accounting is not applied are recognized in current earnings, including customer derivatives, interest-rate lock commitments and forward sale commitments.

39

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

By using derivatives, People’s United is exposed to credit risk to the extent that counterparties to the derivative contracts do not perform as required. Should a counterparty fail to perform under the terms of a derivative contract, the Company’s counterparty credit risk is equal to the amount reported as a derivative asset in the Consolidated Statements of Condition. In accordance with the Company’s balance sheet offsetting policy (see Note 14), amounts reported as derivative assets represent derivative contracts in a gain position, without consideration for derivative contracts in a loss position with the same counterparty (to the extent subject to master netting arrangements) and posted collateral. People’s United seeks to minimize counterparty credit risk through credit approvals, limits, monitoring procedures, execution of master netting arrangements and obtaining collateral, where appropriate. Counterparties to People’s United’s derivatives include major financial institutions and exchanges that undergo comprehensive and periodic internal credit analysis as well as maintain investment grade credit ratings from the major credit rating agencies. As such, management believes the risk of incurring credit losses on derivative contracts with those counterparties is remote and losses, if any, would be immaterial.

Certain of People’s United’s derivative contracts contain provisions establishing collateral requirements (subject to minimum collateral posting thresholds) based on the Company’s external credit rating. If the Company’s senior unsecured debt rating were to fall below the level generally recognized as investment grade, the counterparties to such derivative contracts could require additional collateral on those derivative transactions in a net liability position (after considering the effect of master netting arrangements and posted collateral). The aggregate fair value of derivative instruments with such credit-related

contingent features that were in a net liability position at March 31, 2021 was $1.0 million, for which People’s United had

posted no collateral in the normal course of business. If the Company’s senior unsecured debt rating had fallen below

investment grade as of that date, $1.0 million in additional collateral would have been required.

The following sections further discuss each class of derivative financial instrument used by People’s United, including management’s principal objectives and risk management strategies.

Interest Rate Swaps

People’s United may, from time to time, enter into interest rate swaps that are used to manage IRR associated with certain interest-bearing liabilities.

The Bank has entered into a pay floating/receive fixed interest rate swap to hedge the change in fair value due to changes in interest rates of the Bank’s $400 million subordinated notes. The Bank has agreed with the swap counterparty to exchange, at specified intervals, the difference between fixed-rate and floating-rate interest amounts calculated based on a notional amount of $375 million. The fixed-rate interest payments received on the swap will essentially offset the fixed-rate interest payments made on these notes, notwithstanding the notional difference between these notes and the swap. The floating-rate interest amounts paid under the swap are calculated based on three-month LIBOR plus 126.5 basis points. The swap effectively converts the fixed-rate subordinated notes to a floating-rate liability. This swap is accounted for as a fair value hedge.

The Bank has entered into two-year and three-year pay fixed/receive floating interest rate swaps to reduce its interest rate exposure by hedging the variability in interest cash flows on certain rolling three-month funding liabilities, which may consist of FHLB advances. The Bank has agreed with the swap counterparty to exchange, at specified intervals, the difference between fixed-rate and floating-rate interest amounts calculated based on an aggregate notional amount of $550 million. The interest rate swaps effectively convert a short-term benchmark interest rate (LIBOR) into a fixed-rate. These swaps are accounted for as cash flow hedges.

Customer Derivatives

People’s United enters into interest rate swaps and caps with certain of its commercial customers. In order to minimize its risk, these customer interest rate swaps (pay floating/receive fixed) and caps have been offset with essentially matching interest rate swaps (pay fixed/receive floating) and caps with People’s United’s institutional counterparties. Hedge accounting has not been applied for these derivatives. Accordingly, changes in the fair value of all such interest rate swaps and caps are recognized in current earnings.

40

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Foreign Exchange Contracts

Foreign exchange contracts are commitments to buy or sell foreign currency on a future date at a contractual price. People’s United uses these instruments on a limited basis to (i) eliminate its exposure to fluctuations in currency exchange rates on certain of its commercial loans that are denominated in foreign currencies and (ii) provide foreign exchange contracts on behalf of commercial customers within credit exposure limits. Gains and losses on foreign exchange contracts substantially offset the translation gains and losses on the related loans.

Risk Participation Agreements

People’s United enters into risk participation agreements under which it may either assume or sell credit risk associated with a borrower’s performance under certain interest rate derivative contracts. In those instances in which People’s United has assumed credit risk, it is not a party to the derivative contract and has entered into the risk participation agreement because it is also a party to the related loan agreement with the borrower. In those instances in which People’s United has sold credit risk, it is a party to the derivative contract and has entered into the risk participation agreement because it sold a portion of the related loan. People’s United manages its credit risk under risk participation agreements by monitoring the creditworthiness of the borrower, based on its normal credit review process. The notional amounts of the risk participation agreements reflect People’s United’s pro-rata share of the derivative contracts, consistent with its share of the related loans.

Forward Commitments to Sell Residential Mortgage Loans and Related Interest Rate-Lock Commitments

People’s United enters into forward commitments to sell adjustable-rate and fixed-rate residential mortgage loans (all to be sold servicing released) in order to reduce the market risk associated with originating loans for sale in the secondary market. In order to fulfill a forward commitment, People’s United delivers originated loans at prices or yields specified by the contract. The risks associated with such contracts arise from the possible inability of counterparties to meet the contract terms or People’s United’s inability to originate the necessary loans. Gains and losses realized on the forward contracts are reported in the Consolidated Statements of Income as a component of the net gains on sales of residential mortgage loans. In the normal course of business, People’s United will commit to an interest rate on a mortgage loan application at the time of application, or anytime thereafter. The risks associated with these interest rate-lock commitments arise if market interest rates change prior to the closing of these loans. Both forward sales commitments and interest rate-lock commitments made to borrowers on held-for-sale loans are accounted for as derivatives, with changes in fair value recognized in current earnings.

Interest Rate Locks

In connection with its planned issuance of senior notes in the fourth quarter of 2012, People’s United entered into
U.S. Treasury forward interest rate locks (“T-Locks”) to hedge the risk that the 10-year U.S. Treasury yield component of the underlying coupon of the fixed-rate senior notes would rise prior to establishing the fixed interest rate on the senior notes. Upon pricing the senior notes, the T-Locks were terminated and the unrealized gain of $0.9 million was included (on a net-of-tax basis) as a component of AOCL. The gain is being recognized as a reduction of interest expense over the ten-year period during which the hedged item ($500 million senior note issuance) affects earnings.

41

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The table below provides a summary of the notional amounts and fair values (presented on a gross basis) of derivatives outstanding:

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
(in millions)	Type of Hedge	March 31, 2021		Dec. 31, 2020		March 31, 2021		Dec. 31, 2020		March 31, 2021		Dec. 31, 2020
Derivatives Not Designated as Hedging    Instruments:
Interest rate swaps:
Commercial customers	N/A	$	8,828.2	$	8,878.6	$	457.5	$	778.0	$	23.6	$	0.4
Institutional counterparties	N/A	8,830.4		8,881.3		21.6		5.8		99.3		156.8
Interest rate caps:
Commercial customers	N/A	184.8		185.1		2.2		3.0		0.1		—
Institutional counterparties	N/A	184.8		185.1		0.1		—		2.2		3.0
Risk participation agreements	N/A	916.9		924.3		—		—		0.3		0.4
Foreign exchange contracts	N/A	323.9		285.3		13.0		12.8		5.5		8.8
Forward commitments to sell    residential mortgage loans	N/A	1.4		25.4		0.1		0.7		—		—
Interest rate-lock commitments on    residential mortgage loans	N/A	1.4		41.5		—		—		0.1		1.0
Total						494.5		800.3		131.1		170.4
Derivatives Designated as Hedging    Instruments:
Interest rate swaps:
FHLB advances	Cash flow	550.0		550.0		—		—		—		—
Subordinated notes	Fair value	375.0		375.0		—		—		—		—
Total						—		—		—		—
Total fair value of derivatives						$	494.5	$	800.3	$	131.1	$	170.4

(1)Assets are recorded in other assets and liabilities are recorded in other liabilities.

42

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

The following table summarizes the impact of People’s United’s derivatives on pre-tax income and AOCL:

	Type of Hedge	Amount of Pre-Tax Gain (Loss) Recognized in Earnings (1)				Amount of Pre-Tax Gain (Loss) Recognized in AOCL
Three months ended March 31 (in millions)		2021		2020		2021		2020
Derivatives Not Designated as Hedging    Instruments:
Interest rate swaps:
Commercial customers	N/A	$	(300.6)	$	613.6	$	—	$	—
Institutional counterparties	N/A	300.2		(603.7)		—		—
Interest rate caps:
Commercial customers	N/A	(0.7)		2.0		—		—
Institutional counterparties	N/A	0.9		(2.0)		—		—
Foreign exchange contracts	N/A	0.4		0.1		—		—
Risk participation agreements	N/A	0.3		(0.6)		—		—
Forward commitments to sell    residential mortgage loans	N/A	(0.7)		0.2		—		—
Interest rate-lock commitments on    residential mortgage loans	N/A	1.0		(0.2)		—		—
Total		0.8		9.4		—		—
Derivatives Designated as Hedging    Instruments:
Interest rate swaps	Fair value	2.4		0.4		—		—
Interest rate swaps	Cash flow	(0.4)		—		0.5		0.1
Interest rate locks (2)	Cash flow	—		—		—		—
Total		2.0		0.4		0.5		0.1
Total		$	2.8	$	9.8	$	0.5	$	0.1

(1)Amounts recognized in earnings are recorded in interest income, interest expense or other non-interest income for derivatives designated as hedging instruments and in other non-interest income for derivatives not designated as hedging instruments.

(2)Income totaled less than $0.1 million for both periods.

NOTE 14. BALANCE SHEET OFFSETTING

Assets and liabilities relating to certain financial instruments, including derivatives, may be eligible for offset in the Consolidated Statements of Condition and/or subject to enforceable master netting arrangements or similar agreements. People’s United’s derivative transactions with institutional counterparties are generally executed under International Swaps and Derivative Association (“ISDA”) master agreements, which include “right of set-off” provisions that provide for a single net settlement of all interest rate swap positions, as well as collateral, in the event of default on, or the termination of, any one contract. Nonetheless, the Company does not, except as indicated below, offset asset and liabilities under such arrangements in the Consolidated Statements of Condition.

The Chicago Mercantile Exchange (“CME”) legally characterizes variation margin payments for over-the-counter derivatives that clear as settlements rather than collateral. Accordingly, the Company’s accounting policies classify, for accounting and presentation purposes, variation margin payments deemed to be legal settlements as a single unit of account with the related derivative(s). At both March 31, 2021 and December 31, 2020, this presentation impacted one of the Company’s institutional counterparties. As such, People’s United has, subject to the corresponding enforceable master netting arrangement, netted the institutional counterparty’s CME derivative position and offset the counterparty’s variation margin payments in the Consolidated Statement of Condition as of both dates.

43

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

Collateral (generally in the form of marketable debt securities) pledged by counterparties in connection with derivative transactions is not reported in the Consolidated Statements of Condition unless the counterparty defaults. Collateral that has been pledged by People’s United to counterparties continues to be reported in the Consolidated Statements of Condition unless the Company defaults.

The following tables provide a gross presentation, the effects of offsetting, and a net presentation of the Company’s financial instruments that are eligible for offset in the Consolidated Statements of Condition. The collateral amounts in these tables are limited to the outstanding balances of the related asset or liability (after netting is applied) and, therefore, instances of overcollateralization are not presented. In the tables below, the Net Amount Presented of the derivative assets and liabilities can be reconciled to the fair value of the Company’s derivative financial instruments in Note 13. The Company’s derivative contracts with commercial customers and customer repurchase agreements are not subject to master netting arrangements and, therefore, have been excluded from the tables below.

	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Financial Instruments				Net Amount
As of March 31, 2021 (in millions)									Collateral
Financial assets:
Interest rate swaps:
Counterparty A	$	0.2	$	—	$	0.2	$	(0.2)	$	—	$	—
Counterparty B	—		—		—		—		—		—
Counterparty C	2.2		—		2.2		(2.2)		—		—
Counterparty D	0.9		—		0.9		(0.9)		—		—
Counterparty E	16.2		—		16.2		—		—		16.2
Other counterparties	2.2		—		2.2		(2.2)		—		—
Foreign exchange contracts	13.0		—		13.0		—		—		13.0
Total	$	34.7	$	—	$	34.7	$	(5.5)	$	—	$	29.2
Financial liabilities:
Interest rate swaps:
Counterparty A	$	3.8	$	—	$	3.8	$	(0.2)	$	(3.6)	$	—
Counterparty B	5.7		—		5.7		—		(5.7)		—
Counterparty C	35.4		—		35.4		(2.2)		(33.2)		—
Counterparty D	14.3		—		14.3		(0.9)		(3.1)		10.3
Counterparty E	—		—		—		—		—		—
Other counterparties	42.3		—		42.3		(2.2)		(39.8)		0.3
Foreign exchange contracts	5.5		—		5.5		—		—		5.5
Total	$	107.0	$	—	$	107.0	$	(5.5)	$	(85.4)	$	16.1

44

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Financial Instruments				Net Amount
As of December 31, 2020 (in millions)									Collateral
Financial assets:
Interest rate swaps:
Counterparty A	$	—	$	—	$	—	$	—	$	—	$	—
Counterparty B	—		—		—		—		—		—
Counterparty C	0.3		—		0.3		(0.3)		—		—
Counterparty D	—		—		—		—		—		—
Counterparty E	5.4		—		5.4		—		—		5.4
Other counterparties	0.1		—		0.1		(0.1)		—		—
Foreign exchange contracts	12.8		—		12.8		—		—		12.8
Total	$	18.6	$	—	$	18.6	$	(0.4)	$	—	$	18.2
Financial liabilities:
Interest rate swaps:
Counterparty A	$	5.6	$	—	$	5.6	$	—	$	(5.6)	$	—
Counterparty B	7.1		—		7.1		—		(7.1)		—
Counterparty C	56.6		—		56.6		(0.3)		(56.3)		—
Counterparty D	21.4		—		21.4		—		(10.4)		11.0
Counterparty E	—		—		—		—		—		—
Other counterparties	69.1		—		69.1		(0.1)		(69.0)		—
Foreign exchange contracts	8.8		—		8.8		—		—		8.8
Total	$	168.6	$	—	$	168.6	$	(0.4)	$	(148.4)	$	19.8

Resale and repurchase agreements represent agreements to purchase/sell securities subject to an obligation to
resell/repurchase the same or similar securities. People’s United accounts for securities resale agreements as secured lending transactions and securities repurchase agreements as secured borrowings since the transferor maintains effective control over the transferred securities and the transfer meets the other criteria for such accounting. The securities are pledged by the transferor as collateral and the transferee has the right by contract to repledge that collateral provided the same collateral is returned to the transferor upon maturity of the underlying agreement. The fair value of the pledged collateral approximates the recorded amount of the secured loan or borrowing. Decreases in the fair value of the transferred securities below an established threshold require the transferor to provide additional collateral.

The following tables show the extent to which assets and liabilities exchanged under resale and repurchase agreements have been offset in the Consolidated Statements of Condition. These agreements: (i) are entered into simultaneously with the same financial institution counterparty; (ii) have the same principal amounts and inception/maturity dates; and (iii) are subject to a master netting arrangement that contains a conditional right of offset upon default. At March 31, 2021 and
December 31, 2020, the Company posted as collateral marketable securities with fair values of $256.6 million and $258.7 million, respectively, and, in turn, accepted as collateral marketable securities with fair values of $257.4 million and $254.4 million, respectively.

As of March 31, 2021 (in millions)	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented
Total resale agreements	$	250.0	$	(250.0)	$	—
Total repurchase agreements	$	250.0	$	(250.0)	$	—
As of December 31, 2020 (in millions)	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented
Total resale agreements	$	250.0	$	(250.0)	$	—
Total repurchase agreements	$	250.0	$	(250.0)	$	—

45

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

NOTE 15. NEW ACCOUNTING STANDARDS

Reference Rate Reform

In 2017, the United Kingdom’s Financial Conduct Authority announced that it will cease to compel its panel banks to submit London Interbank Offered Rate (“LIBOR”) rates after December 31, 2021 as a result of the steadily decreasing number of transaction-based borrowing observations between banks in interbank funding markets. LIBOR is widely used by the Company as it serves as the primary index rate for approximately 46% of its loan portfolio. As a result of LIBOR cessation, a Company-wide initiative was introduced to assess all applicable loan, deposit and borrowing categories, and develop a comprehensive plan for the transition away from LIBOR. The Company expects to follow recommendations from the Federal Reserve’s Alternative Reference Rate Committee and the International Swaps and Derivatives Association, along with
industry-led solutions, in establishing a replacement index, or indices, for LIBOR.

In March 2020, the Financial Accounting Standards Board (the “FASB”) issued a new standard providing temporary optional expedients and exceptions to existing U.S. GAAP on contract modifications and hedge accounting in order to ease the financial reporting burdens associated with transitioning away from LIBOR and other interbank offered rates to acceptable alternative rates. Under the new guidance, an entity can elect, by accounting topic or industry subtopic, to account for the modification of a contract affected by reference rate reform as a continuation of the existing contract, if certain conditions are met. In addition, the new guidance allows an entity to elect, on a hedge-by-hedge basis, to continue to apply hedge accounting for hedging relationships in which the critical terms change due to reference rate reform, if certain conditions are met. A
one-time election to sell and/or transfer held-to-maturity debt securities that reference a rate affected by reference rate reform is also permitted under the new guidance. While the standard is effective upon issuance, the Company continues to evaluate the impact and which optional expedients and exceptions might be elected. These optional elections will generally cease to apply to contract modifications or existing hedging relationships after December 31, 2022.

In November 2020, the Federal banking agencies issued a statement encouraging banks that enter into new financial contracts prior to December 31, 2021 to utilize a reference rate other than LIBOR and to include robust fallback language that specifies a clearly defined alternative reference rate after LIBOR's discontinuation. People’s United began incorporating recent ISDA-derived LIBOR fallback language in new LIBOR-based interest rate swap transactions effective after January 25, 2021. Bank-wide efforts to transition from LIBOR-based originations to alternate indices prior to December 31, 2021 are continuing, including upgrades and enhancements to certain Bank systems. Separately, the agencies indicated that a bank may use any reference rate for its loans that the bank determines to be appropriate for its funding model and customer needs.

In January 2021, the FASB issued clarifying guidance regarding the scope of the optional relief for reference rate reform contemplated in its March 2020 standard. This guidance permits entities to apply certain of the optional practical expedients and exceptions included in its March 2020 standard to the accounting for derivative contracts and hedging activities that may be affected by changes in interest rates used for discounting cash flows, computing variation margin settlements and calculating price alignment interest (the “discounting transition”). These optional practical expedients and exceptions may be applied to derivative instruments impacted by the discounting transition even if such instruments do not reference a rate that is expected to be discontinued. This guidance is effective immediately and an entity may elect to apply the amendments as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020 or on a prospective basis to new modifications from any date within an interim period that includes or is subsequent to January 7, 2021, up to the date that financial statements are available to be issued.

Disclosure Requirements – Defined Benefit Plans

In August 2018, the FASB issued targeted amendments that serve to make minor changes to the disclosure requirements for employers that sponsor defined benefit pension and/or other postretirement benefit plans. More specifically, the amendments (i) remove disclosures that are no longer considered cost beneficial; (ii) clarify the specific requirements of selected disclosures; and (iii) add disclosure requirements identified as relevant. These amendments are effective for fiscal years ending after December 15, 2020 (January 1, 2021 for People’s United) and early adoption is permitted. The provisions set forth in this guidance, which the Company elected to early adopt in 2018, have been reflected in Note 9 (as applicable) and did not have a significant impact on the Company’s Consolidated Financial Statements.

Simplifying the Accounting for Income Taxes

In December 2019, the FASB amended its standards with respect to income taxes, simplifying the accounting in several areas, including intra-period tax allocation, deferred tax liabilities related to outside basis differences, and year-to-date losses in interim periods, among others. This amendment became effective on January 1, 2021 for People’s United. Currently, this guidance is not expected to have a significant impact on the Company’s Consolidated Financial Statements or related disclosures.

46

People’s United Financial, Inc.

Notes to Consolidated Financial Statements – (Unaudited)

47

Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations

Forward Looking Statements

Periodic and other filings made by People’s United Financial, Inc. (“People’s United” or the “Company”) with the Securities and Exchange Commission (the “SEC”) pursuant to the Securities Exchange Act of 1934 (the “Exchange Act”) may, from time to time, contain information and statements that are forward-looking in nature. Such filings include the Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, and may include other forms such as proxy statements. Other written or oral statements made by People’s United or its representatives from time to time may also contain forward-looking statements.

In general, forward-looking statements usually use words such as “expect,” “anticipate,” “believe,” “should,” and similar expressions, and include all statements about People’s United’s operating results or financial position for future periods. Forward-looking statements represent management’s beliefs, based upon information available at the time the statements are made, with regard to the matters addressed; they are not guarantees of future performance.

All forward-looking statements are subject to risks and uncertainties that could cause People’s United’s actual results or financial condition to differ materially from those expressed in or implied by such statements. Factors of particular importance to People’s United include, but are not limited to: (1) changes in general, international, national or regional economic conditions; (2) changes in interest rates; (3) changes in loan default and charge-off rates; (4) changes in deposit levels; (5) changes in levels of income and expense in non-interest income and expense related activities; (6) changes in accounting and regulatory guidance applicable to banks; (7) price levels and conditions in the public securities markets generally; (8) competition and its effect on pricing, spending, third-party relationships and revenues; (9) the pending merger with M&T Bank Corporation (“M&T”); (10) changes in regulation resulting from or relating to financial reform legislation; and (11) the COVID-19 pandemic and its effect on the economic and business environment in which we operate.

All forward-looking statements can be affected by inaccurate assumptions or by known or unknown risks and uncertainties. Consequently, no forward-looking statement can be guaranteed. People’s United does not undertake any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Recent Developments

On February 22, 2021, People’s United and M&T announced that they have entered into a definitive agreement under which M&T will acquire People’s United in an all-stock transaction. Under the terms of the agreement, each share of People’s United common stock will be converted into the right to receive 0.118 shares of M&T common stock. The merger is expected to close in the fourth quarter of 2021, subject to the satisfaction of customary closing conditions, including receipt of regulatory approvals and approval by the shareholders of each company. Special meetings of stockholders of both companies are scheduled to be held on May 25, 2021. Merger-related expenses recorded for the three months ended March 31, 2021 totaled $7.5 million.

On January 21, 2021, the Bank announced its decision not to renew its agreements with Stop & Shop to operate
140 in-store branches in Connecticut and New York upon their expiration in 2022. Branch closures will take place over several years using a phased approach. In the first quarter of 2021, the Bank reached an agreement with Stop & Shop on the timing of the exit from all New York in-store branch and ATM locations, which will begin in the third quarter of 2021 with a full exit occurring over four quarters. Contract termination costs totaling $12.1 million were recorded for the three months ended March 31, 2021.

48

On March 11, 2020, the World Health Organization declared the outbreak of a strain of novel coronavirus disease (“COVID-19”) a global pandemic. Economic activity in many countries, including the United States, began to deteriorate rapidly as the COVID-19 pandemic spread across the globe. In the United States, which has been operating under a presidentially-declared national emergency since March 13, 2020, the COVID-19 pandemic caused severe disruption to the capital markets as well as business and economic activity. Since March 2020, individual municipalities and entire states adopted travel and work location restrictions, social distancing requirements, and in some cases, shelter-in-place protocols in order to slow the spread of the virus. These measures resulted in the closure of many schools, stores, offices, restaurants and manufacturing facilities, causing a decline in spending and an increase in layoffs.

In response, the Federal government introduced several measures to mitigate the magnitude of the pandemic’s effects. Most notably, on March 27, 2020, the Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”), which provides financial assistance for businesses and individuals as well as targeted regulatory relief for financial institutions, was signed into law. This relief package was subsequently followed by additional government stimulus in the form of the Consolidated Appropriations Act, 2021 in December 2020 and the American Rescue Plan in March 2021 (see Asset Quality). Also in
March 2020, the Federal Open Market Committee (the “FOMC”) of the Federal Reserve reduced short-term interest rates by 150 basis points (to near zero) and announced various other initiatives to enhance liquidity and support the flow of credit to households and businesses.

The impact of the COVID-19 pandemic on economic conditions, both in the United States and abroad, has created global uncertainty about the future economic environment including the length and depth of any global recession that may occur. Concerns over interest rates, domestic and global policy issues, U.S. trade policy and geopolitical events, and the influence of those factors on the markets in general, further add to this uncertainty.

Critical Accounting Estimates

In preparing the consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Actual results could differ from management’s current estimates, as a result of changing conditions and future events.

People’s United’s critical accounting policies and critical estimates are summarized in Note 1 to the Consolidated Financial Statements of the Company's Annual Report on Form 10-K for the year ended December 31, 2020 (the
“2020 Form 10-K”). Several accounting estimates are particularly critical and are susceptible to significant near-term change, including the allowance for credit losses (“ACL”) and the recoverability of goodwill and other intangible assets. On
January 1, 2020, the Company adopted new accounting guidance, which requires entities to estimate and recognize an allowance for lifetime expected credit losses for financial assets measured at amortized cost, including loans, held-to-maturity securities and other receivables, as well as certain off-balance sheet credit exposures (the “CECL standard”). These accounting policies are discussed in “Critical Accounting Policies” in Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the 2020 Form 10-K. There have been no significant changes in the Company’s application of these critical accounting policies since December 31, 2020.

49

Selected Consolidated Financial Information
	Three Months Ended
(dollars in millions, except per common share data)	March 31, 2021			Dec. 31, 2020			March 31, 2020
Earnings Data:
Net interest income (fully taxable equivalent)	$	393.5		$	390.2		$	403.7
Net interest income	385.9			382.8			396.0
Provision for credit losses on loans	(13.6)			14.7			33.5
Non-interest income (1)	94.6			178.2			123.8
Non-interest expense (1)	311.9			646.4			320.1
Income (loss) before income tax expense	182.2			(100.1)			166.2
Net income (loss)	144.5			(145.3)			130.4
Net income (loss) available to common shareholders (2)	141.0			(148.8)			126.9
Selected Statistical Data:
Net interest margin (2)	2.74		%	2.84		%	3.12		%
Return on average assets (1), (2)	0.90			(0.93)			0.89
Return on average common equity (2)	7.7			(7.8)			6.7
Return on average tangible common equity (1), (2)	12.5			(13.4)			11.8
Efficiency ratio (2)	56.6			55.5			54.0
Common Share Data:
Earnings (loss) per common share:
Basic	$	0.34		$	(0.36)		$	0.30
Diluted (1)	0.33			(0.35)			0.30
Dividends paid per common share	0.1800			0.1800			0.1775
Common dividend payout ratio (1)	53.7		%	(50.8)		%	60.9		%
Book value per common share (end of period)	$	17.42		$	17.56		$	17.87
Tangible book value per common share (end of period) (1)	10.70			10.77			10.07
Stock price:
High	19.40			13.58			17.00
Low	12.66			9.98			10.40
Close (end of period)	17.90			12.93			11.05

(1)See Non-GAAP Financial Measures and Reconciliation to GAAP.

(2)Annualized.

50

	As of and for the Three Months Ended
(dollars in millions)	March 31, 2021			Dec. 31, 2020			Sept. 30, 2020			June 30, 2020			March 31, 2020
Financial Condition Data:
Total assets	$	64,173		$	63,092		$	60,871		$	61,510		$	60,433
Loans	42,770			43,870			45,231			45,452			44,284
Securities	10,445			9,191			8,270			8,233			8,552
Short-term investments	4,992			3,766			439			987			744
Allowance for credit losses on loans	399			425			424			414			342
Goodwill and other acquisition-related intangible assets	2,835			2,846			3,244			3,254			3,264
Deposits	53,475			52,138			49,637			49,934			44,741
Borrowings	1,156			1,148			1,237			1,782			5,911
Notes and debentures	1,003			1,010			1,012			1,015			1,013
Stockholders’ equity	7,592			7,603			7,831			7,763			7,726
Total risk-weighted assets:
People’s United	43,833			45,075			45,756			45,657			46,408
People’s United Bank, National Association	43,812			45,016			45,685			45,615			46,397
Non-accrual loans	353			329			306			296			240
Net loan charge-offs	12.4			13.4			17.3			8.5			10.6
Average Balances:
Loans	$	42,854		$	44,061		$	44,853		$	45,153		$	43,460
Securities (1)	9,561			8,390			7,922			8,240			8,022
Short-term investments	5,000			2,582			842			774			290
Total earning assets	57,415			55,034			53,617			54,168			51,772
Total assets	64,057			62,396			61,293			61,841			58,604
Deposits	52,876			50,674			49,542			48,447			44,163
Borrowings	1,143			1,233			1,283			2,911			4,353
Notes and debentures	1,008			1,011			1,014			1,014			1,000
Total funding liabilities	55,027			52,918			51,839			52,372			49,515
Stockholders’ equity	7,606			7,884			7,801			7,757			7,804
Ratios:
Net loan charge-offs to average total loans (annualized)	0.12		%	0.12		%	0.15		%	0.08		%	0.10		%
Non-performing assets to total loans, real estate    owned and repossessed assets	0.85			0.78			0.71			0.69			0.59
Allowance for credit losses on loans to:
Total loans	0.93			0.97			0.94			0.91			0.77
Non-accrual loans	113.0			129.1			138.4			139.8			142.2
Average stockholders’ equity to average total assets	11.9			12.6			12.7			12.5			13.3
Stockholders’ equity to total assets	11.8			12.1			12.9			12.6			12.8
Tangible common equity to tangible assets (2)	7.4			7.5			7.5			7.3			7.4
Total risk-based capital:
People’s United	12.9			12.4			11.8			11.8			11.3
People’s United Bank, National Association	13.5			12.8			12.3			12.3			12.0

(1)Average balances for securities are based on amortized cost.

(2)See Non-GAAP Financial Measures and Reconciliation to GAAP.

51

Non-GAAP Financial Measures and Reconciliation to GAAP

In addition to evaluating People’s United’s results of operations in accordance with U.S. generally accepted accounting principles (“GAAP”), management routinely supplements its evaluation with an analysis of certain non-GAAP financial measures, such as the efficiency and tangible common equity ratios, tangible book value per common share and operating earnings metrics. Management believes these non-GAAP financial measures provide information useful to investors in understanding People’s United’s underlying operating performance and trends, and facilitates comparisons with the performance of other financial institutions. Further, the efficiency ratio and operating earnings metrics are used by management in its assessment of financial performance, including non-interest expense control, while the tangible common equity ratio and tangible book value per common share are used to analyze the relative strength of People’s United’s capital position.

The efficiency ratio, which represents an approximate measure of the cost required by People’s United to generate a dollar of revenue, is the ratio of (i) total non-interest expense (excluding operating lease expense, goodwill impairment charges, amortization of other acquisition-related intangible assets, losses on real estate assets and non-recurring expenses) (the numerator) to (ii) net interest income on a fully taxable equivalent (“FTE”) basis plus total non-interest income (including the FTE adjustment on bank-owned life insurance (“BOLI”) income, the netting of operating lease expense and excluding gains and losses on sales of assets other than residential mortgage loans and acquired loans, and non-recurring income) (the denominator). People’s United generally considers an item of income or expense to be non-recurring if it is not similar to an item of income or expense of a type incurred within the last two years and is not similar to an item of income or expense of a type reasonably expected to be incurred within the following two years.

Operating earnings exclude from net income available to common shareholders those items that management considers to be of such a non-recurring or infrequent nature that, by excluding such items (net of income taxes), People’s United’s results can be measured and assessed on a more consistent basis from period to period. Items excluded from operating earnings, which include, but are not limited to: (i) non-recurring gains/losses; (ii) merger-related expenses, including acquisition integration and other costs; (iii) write-downs of banking house assets and related lease termination costs; (iv) severance-related costs; and (v) charges related to executive-level management separation costs, are generally also excluded when calculating the efficiency ratio. Operating earnings per common share (“EPS”) is derived by determining the per common share impact of the respective adjustments to arrive at operating earnings and adding (subtracting) such amounts to (from) diluted EPS, as reported. Operating return on average assets is calculated by dividing operating earnings (annualized) by average total assets. Operating return on average tangible common equity is calculated by dividing operating earnings (annualized) by average tangible common equity. The operating common dividend payout ratio is calculated by dividing common dividends paid by operating earnings for the respective period.

Pre-provision net revenue is a useful financial measure as it enables an assessment of the Company's ability to generate earnings to cover credit losses through a credit cycle as well as providing an additional basis for comparing the Company's results of operation between periods by isolating the impact of the provision for credit losses, which can vary significantly between periods.

The tangible common equity ratio is the ratio of (i) tangible common equity (total stockholders’ equity less preferred stock, goodwill and other acquisition-related intangible assets) (the numerator) to (ii) tangible assets (total assets less goodwill and other acquisition-related intangible assets) (the denominator). Tangible book value per common share is calculated by dividing tangible common equity by common shares (total common shares issued, less common shares classified as treasury shares and unallocated Employee Stock Ownership Plan (“ESOP”) common shares).

In light of diversity in presentation among financial institutions, the methodologies used by People’s United for determining the non-GAAP financial measures discussed above may differ from those used by other financial institutions.

52

The following table summarizes People’s United’s operating non-interest expense and efficiency ratio, as derived from amounts reported in the Consolidated Statements of Income:

	Three Months Ended
(dollars in millions)	March 31, 2021			Dec. 31, 2020			March 31, 2020
Total non-interest expense	$	311.9		$	646.4		$	320.1
Adjustments to arrive at operating non-interest expense:
Stop & Shop contract termination costs	(12.1)			—			—
Merger-related expenses	(7.5)			(4.9)			(17.9)
Goodwill impairment	—			(353.0)			—
Total	(19.6)			(357.9)			(17.9)
Operating non-interest expense	292.3			288.5			302.2
Adjustments:
Amortization of other acquisition-related intangible assets	(11.0)			(9.7)			(10.7)
Operating lease expense	(7.8)			(8.5)			(9.8)
Other (1)	(1.7)			(1.3)			(1.9)
Total non-interest expense for efficiency ratio	$	271.8		$	269.0		$	279.8
Net interest income (FTE basis)	$	393.5		$	390.2		$	403.7
Total non-interest income	94.6			178.2			123.8
Total revenues	488.1			568.4			527.5
Adjustments:
Operating lease expense	(7.8)			(8.5)			(9.8)
BOLI FTE adjustment	0.6			0.9			0.8
Gain on sale of business, net of expenses	—			(75.9)			—
Other (2)	(1.1)			—			(0.3)
Total revenues for efficiency ratio	$	479.8		$	484.9		$	518.2
Efficiency ratio	56.6		%	55.5		%	54.0		%

(1)Items classified as “other” and deducted from non-interest expense for purposes of calculating the efficiency ratio include certain franchise taxes and real estate owned expenses.

(2)Items classified as “other” and deducted from total revenues for purposes of calculating the efficiency ratio include, as applicable, asset write-offs and gains/losses associated with the sale of branch locations.

The following table summarizes People's United's pre-provision net revenue, as derived from amounts reported in the Consolidated Statements of Income:

	Three Months Ended
(in millions)	March 31, 2021		Dec. 31, 2020		March 31, 2020
Net interest income	$	385.9	$	382.8	$	396.0
Non-interest income	94.6		178.2		123.8
Non-interest expense	(311.9)		(646.4)		(320.1)
Pre-provision net revenue	168.6		(85.4)		199.7
Non-operating income	—		(75.9)		—
Non-operating expense	19.6		357.9		17.9
Operating pre-provision net revenue	$	188.2	$	272.5	$	217.6

53

The following table summarizes People’s United’s operating earnings, operating EPS and operating return on average assets:

	Three Months Ended
(dollars in millions, except per common share data)	March 31, 2021			Dec. 31, 2020			March 31, 2020
Net income (loss) available to common shareholders	$	141.0		$	(148.8)		$	126.9
Adjustments to arrive at operating earnings:
Stop & Shop contract termination costs	12.1			—			—
Merger-related expenses	7.5			4.9			17.9
Goodwill impairment (1)	—			353.0			—
Gain on sale of business, net of expenses	—			(75.9)			—
Total pre-tax adjustments	19.6			282.0			17.9
Tax effect (1)	(4.1)			14.5			(3.7)
Total adjustments, net of tax	15.5			296.5			14.2
Operating earnings	$	156.5		$	147.7		$	141.1
Diluted EPS, as reported	$	0.33		$	(0.35)		$	0.30
Adjustments to arrive at operating EPS:
Stop & Shop contract termination costs	0.02			—			—
Merger-related expenses	0.02			0.01			0.03
Goodwill impairment	—			0.83			—
Gain on sale of business, net of expenses	—			(0.14)			—
Total adjustments per common share	0.04			0.70			0.03
Operating EPS	$	0.37		$	0.35		$	0.33
Average total assets	$	64,057		$	62,396		$	58,604
Operating return on average assets (annualized)	0.98		%	0.95		%	0.96		%

(1)The goodwill impairment charge for the three months ended December 31, 2020 is non-tax-deductible.

The following tables summarize People’s United’s operating return on average tangible common equity and operating common dividend payout ratio:

	Three Months Ended
(dollars in millions)	March 31, 2021			Dec. 31, 2020			March 31, 2020
Operating earnings	$	156.5		$	147.7		$	141.1
Average stockholders’ equity	$	7,606		$	7,884		$	7,804
Less: Average preferred stock	244			244			244
Average common equity	7,362			7,640			7,560
Less: Average goodwill and average other      acquisition-related intangible assets	2,842			3,213			3,269
Average tangible common equity	$	4,520		$	4,427		$	4,291
Operating return on average tangible      common equity (annualized)	13.8		%	13.3		%	13.2		%
	Three Months Ended
(dollars in millions)	March 31, 2021			Dec. 31, 2020			March 31, 2020
Common dividends paid	$	75.7		$	75.6		$	77.3
Operating earnings	$	156.5		$	147.7		$	141.1
Operating common dividend payout ratio	48.4		%	51.2		%	54.8		%

54

The following tables summarize People’s United’s tangible common equity ratio and tangible book value per common share derived from amounts reported in the Consolidated Statements of Condition: 

(dollars in millions)	March 31, 2021			Dec. 31, 2020			Sept. 30, 2020			June 30, 2020			March 31, 2020
Total stockholders’ equity	$	7,592		$	7,603		$	7,831		$	7,763		$	7,726
Less: Preferred stock	244			244			244			244			244
Common equity	7,348			7,359			7,587			7,519			7,482
Less: Goodwill and other acquisition-related      intangible assets	2,835			2,846			3,244			3,254			3,264
Tangible common equity	$	4,513		$	4,513		$	4,343		$	4,265		$	4,218
Total assets	$	64,172		$	63,092		$	60,871		$	61,510		$	60,433
Less: Goodwill and other acquisition-related      intangible assets	2,835			2,846			3,244			3,254			3,264
Tangible assets	$	61,337		$	60,246		$	57,627		$	58,256		$	57,169
Tangible common equity ratio	7.4		%	7.5		%	7.5		%	7.3		%	7.4		%
(in millions, except per common share data)	March 31, 2021			Dec. 31, 2020			Sept. 30, 2020			June 30, 2020			March 31, 2020
Tangible common equity	$	4,513		$	4,513		$	4,343		$	4,265		$	4,218
Common shares issued	536.20			533.68			533.67			533.59			533.47
Less: Shares classified as treasury shares	108.98			109.00			109.00			109.00			109.00
Common shares outstanding	427.22			424.68			424.67			424.59			424.47
Less: Unallocated ESOP shares	5.49			5.57			5.66			5.75			5.84
Common shares	421.73			419.11			419.01			418.84			418.63
Tangible book value per common share	$	10.70		$	10.77		$	10.37		$	10.18		$	10.07

Financial Overview

People’s United reported net income of $144.5 million, or $0.33 per diluted common share, for the three months ended March 31, 2021, compared to $130.4 million, or $0.30 per diluted common share, for the year-ago period. Included in the results for the three months ended March 31, 2021 and 2020 are non-operating expenses totaling $19.6 million ($15.5 million after-tax) or $0.04 per common share, and $17.9 million ($14.2 million after-tax) or $0.03 per common share, respectively. Compared to the year-ago period, first quarter of 2021 earnings primarily reflect loan and deposit growth, meaningful cost control and a decrease in the provision for credit losses on loans.

People’s United’s return on average assets was 0.90% (0.98% on an operating basis) for the three months ended March 31, 2021 compared to 0.89% (0.96% on an operating basis) for the year-ago period. Return on average tangible common equity was 12.5% (13.8% on an operating basis) for the three months ended March 31, 2021 compared to 11.8% (13.2% on an operating basis) for the year-ago period. Compared to the first quarter of 2020, FTE net interest income decreased $10.2 million to $393.5 million and the net interest margin decreased 38 basis points to 2.74% (see Net Interest Income).

Average total earning assets increased $5.6 billion compared to the first quarter of 2020, reflecting increases of $4.7 billion in average short-term investments and $1.5 billion in average securities, offset by a $606 million decrease in average total loans. Average total funding liabilities increased $5.5 billion compared to the year-ago quarter, reflecting an $8.7 billion increase in average total deposits, partially offset by a $3.2 billion decrease in average total borrowings.

Compared to the year-ago quarter, total non-interest income decreased $29.2 million and total non-interest expense decreased $8.2 million. The efficiency ratio was 56.6% for the first quarter of 2021 compared to 54.0% for the year-ago quarter (see Non-Interest Income and Non-Interest Expense).

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The provision for credit losses on loans in the first quarter of 2021 totaled $(13.6) million, reflecting notable improvements in the economic outlook (e.g. Gross Domestic Product (“GDP”) and unemployment) largely attributable to continued COVID-19 vaccine distribution, an easing of social distancing restrictions and further government stimulus. The provision for credit losses of $33.5 million in the year-ago quarter reflects the application of the CECL standard and the impact of COVID-19. Net loan charge-offs as a percentage of average total loans on an annualized basis were 0.12% in the first quarter of 2021 compared to 0.10% in the year-ago quarter. The ACL was $399.1 million at March 31, 2021, a $26.0 million decrease from December 31, 2020. Non-performing assets totaled $363.7 million at March 31, 2021, a $22.1 million increase from December 31, 2020. At March 31, 2021, the ACL as a percentage of total loans was 0.93% and as a percentage of non-accrual loans was 113.0%, compared to 0.97% and 129.1%, respectively, at December 31, 2020 (see Asset Quality).

People’s United’s total stockholders’ equity was $7.59 billion at March 31, 2021 compared to $7.60 billion at
December 31, 2020. Stockholders’ equity as a percentage of total assets was 11.8% and 12.1% at March 31, 2021 and December 31, 2020, respectively. Tangible common equity as a percentage of tangible assets was 7.4% at March 31, 2021 compared to 7.5% at December 31, 2020 (see Stockholders’ Equity and Dividends). People’s United’s and People’s United Bank, National Association’s (the “Bank”) Total risk-based capital ratios were 12.9% and 13.5%, respectively, at
March 31, 2021, compared to 12.4% and 12.8%, respectively, at December 31, 2020 (see Regulatory Capital Requirements).

Segment Results

Public companies are required to report (i) certain financial and descriptive information about “reportable operating segments,” as defined, and (ii) certain enterprise-wide financial information about products and services, geographic areas and major customers. Operating segment information is reported using a “management approach” that is based on the way management organizes the segments for purposes of making operating decisions and assessing performance.

People’s United’s operations are divided into three primary operating segments that represent its core businesses: Commercial Banking; Retail Banking; and Wealth Management. In addition, the Treasury area manages People’s United’s securities portfolio, short-term investments, brokered deposits, wholesale borrowings and the funding center.

The Company’s operating segments have been aggregated into two reportable segments: Commercial Banking and Retail Banking. These reportable segments have been identified and organized based on the nature of the underlying products and services applicable to each segment, the type of customers to whom those products and services are offered and the distribution channel through which those products and services are made available. With respect to the Company’s traditional wealth management activities, this presentation results in the allocation of the Company’s insurance business and certain trust activities to the Commercial Banking segment, and the allocation of the Company’s brokerage business and certain other trust activities to the Retail Banking segment.

People’s United uses an internal profitability reporting system to generate information by operating segment, which is based on a series of management estimates and allocations regarding funds transfer pricing (“FTP”), the provision for credit losses on loans, non-interest expense and income taxes. These estimates and allocations, some of which are subjective in nature, are subject to periodic review and refinement. Any changes in estimates and allocations that may affect the reported results of any segment will not affect the consolidated financial position or results of operations of People’s United as a whole.

FTP, which is used in the calculation of each operating segment’s net interest income, measures the value of funds used in and provided by an operating segment. The difference between the interest income on earning assets and the interest expense on funding liabilities, and the corresponding FTP charge for interest income or credit for interest expense, results in net spread income (see Treasury). For fixed-term assets and liabilities, the FTP rate is assigned at the time the asset or liability is originated by reference to the Company’s FTP yield curve, which is updated daily. For non-maturity-term assets and liabilities, the FTP rate is determined based upon the underlying characteristics, or behavior, of each particular product and results in the use of a historical rolling average FTP rate determined over a period that is most representative of the average life of the particular asset or liability. While the Company’s FTP methodology serves to remove interest rate risk (“IRR”) from the operating segments and better facilitate pricing decisions, thereby allowing management to more effectively assess the
longer-term profitability of an operating segment, it may, in sustained periods of low and/or high interest rates, result in a measure of operating segment net interest income that is not reflective of current interest rates.

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A five-year rolling average net charge-off rate is used as the basis for the provision for credit losses for the respective operating segment in order to present a level of portfolio credit cost that is representative of the Company’s historical experience, without presenting the potential volatility from year-to-year changes in credit conditions. While this method of allocation allows management to assess the longer-term profitability of an operating segment more effectively, it may result in a measure of an operating segment’s provision for credit losses on loans that does not reflect actual losses recognized for the periods presented.

People’s United allocates a majority of non-interest expenses to each operating segment using a full-absorption costing process (i.e. all expenses are fully-allocated to the segments). Direct and indirect costs are analyzed and pooled by process and assigned to the appropriate operating segment and corporate overhead costs are allocated to the operating segments. Income tax expense is allocated to each operating segment using a constant rate, based on an estimate of the consolidated effective income tax rate for the year. Average total assets and average total liabilities are presented for each reportable segment due to management’s reliance, in part, on such average balances for purposes of assessing segment performance.

Average total assets of each reportable segment include allocated goodwill and intangible assets, both of which are reviewed for impairment at least annually. For the purpose of goodwill impairment evaluations, management has identified reporting units based upon the Company’s three operating segments: Commercial Banking; Retail Banking; and Wealth Management. The impairment evaluation is performed as of an annual date or more frequently if a triggering event indicates that impairment may have occurred.

Entities have the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of such events or circumstances, an entity determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then the entity is not required to perform the quantitative impairment test as described below.

The quantitative test is used to identify potential impairment, and involves comparing each reporting unit’s estimated fair value to its carrying amount, including goodwill. If the estimated fair value of a reporting unit exceeds its carrying amount, goodwill is not deemed to be impaired. Should the carrying amount of the reporting unit exceed its estimated fair value, an impairment loss shall be recognized in an amount equal to that excess, not to exceed the carrying amount of goodwill.

Based on the quantitative assessment performed as of October 1, 2020, People’s United recognized, in the quarter ended December 31, 2020, a non-cash goodwill impairment charge totaling $353.0 million (representing 12% of total goodwill) associated with the Retail Banking reporting unit, while the fair values of the Commercial Banking and Wealth Management reporting units continued to exceed the respective carrying values by 4% and 103%, respectively. The projected cash flows of the Retail Banking reporting unit declined from prior period valuations due to record-low mortgage rates and the Federal Reserve’s updated guidance in the third quarter of 2020 regarding inflation targeting and expectations for interest rates to remain low for an extended period of time. The lower yielding and longer duration nature of the Company’s residential mortgage portfolio and a decline in home equity portfolio balances in recent years adversely impacted the Retail Banking reporting unit.

Subsequent to the October 1st measurement date, an improved outlook with regard to interest rates and a reduction in the level of economic uncertainty due, in part, to widespread distribution of the COVID-19 vaccine, has resulted in significant appreciation in People’s United’s stock price, market capitalization and expectations with respect to future earnings and cash flows. See the 2020 Form 10-K for a further discussion.

The Company qualitatively assessed, as of March 31, 2021, recent potential triggering events that could serve as indicators that the carrying amount of its goodwill is impaired. Based on this evaluation, which also considered the results of the 2020 impairment assessment, the Company concluded that it was not more likely than not that the fair value of any reporting unit was less than its carrying amount at that date.

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Due to the high degree of subjectivity involved in estimating the fair value of the Company’s reporting units, a decline in People’s United’s expected future cash flows or projected growth rates due to further deterioration in the economic environment, or continued market capitalization of the Company below book value, could result in an additional non-cash goodwill impairment charge that is material to People’s United’s results from operations but would have no effect on the Company’s cash balances, liquidity or tangible equity. In addition, because goodwill and other acquisition-related intangible assets are not included in the calculation of regulatory capital, the Company’s well-capitalized regulatory capital ratios would not be affected by such a potential non-cash charge.

Segment Performance Summary 

Three months ended March 31, 2021	Commercial Banking		Retail Banking		Total Reportable Segments		Treasury		Other		Total Consolidated
(in millions)
Net interest income (loss)	$	287.0	$	167.5	$	454.5	$	(65.1)	$	(3.5)	$	385.9
Provision for credit losses	13.4		2.5		15.9		—		(29.5)		(13.6)
Total non-interest income	40.9		47.3		88.2		4.5		1.9		94.6
Total non-interest expense	114.6		167.0		281.6		1.0		29.3		311.9
Income (loss) before income tax    expense (benefit)	199.9		45.3		245.2		(61.6)		(1.4)		182.2
Income tax expense (benefit)	41.4		9.3		50.7		(12.7)		(0.3)		37.7
Net income (loss)	$	158.5	$	36.0	$	194.5	$	(48.9)	$	(1.1)	$	144.5
Average total assets	$	35,071.2	$	11,969.5	$	47,040.7	$	15,353.4	$	1,662.6	$	64,056.7
Average total liabilities	19,503.4		28,244.1		47,747.5		7,844.9		858.4		56,450.8

Three months ended March 31, 2020	Commercial Banking		Retail Banking		Total Reportable Segments		Treasury		Other		Total Consolidated
(in millions)
Net interest income (loss)	$	240.2	$	151.4	$	391.6	$	8.0	$	(3.6)	$	396.0
Provision for credit losses	11.6		1.9		13.5		—		20.0		33.5
Total non-interest income	73.5		48.9		122.4		(1.3)		2.7		123.8
Total non-interest expense	123.8		157.8		281.6		4.4		34.1		320.1
Income (loss) before income tax    expense (benefit)	178.3		40.6		218.9		2.3		(55.0)		166.2
Income tax expense (benefit)	38.4		8.7		47.1		0.5		(11.8)		35.8
Net income (loss)	$	139.9	$	31.9	$	171.8	$	1.8	$	(43.2)	$	130.4
Average total assets	$	33,948.5	$	13,982.7	$	47,931.2	$	8,947.0	$	1,725.5	$	58,603.7
Average total liabilities	14,308.5		25,440.4		39,748.9		10,262.4		788.1		50,799.4

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Commercial Banking consists principally of commercial real estate lending, middle market and business banking, equipment financing, and mortgage warehouse and asset-based lending. This segment also provides treasury management services, capital market capabilities and commercial deposit products. Commercial insurance services were previously provided through People’s United Insurance Agency, Inc. (“PUIA”), which the Bank sold on November 2, 2020.

	Three Months Ended March 31,
(in millions)	2021		2020
Net interest income	$	287.0	$	240.2
Provision for credit losses	13.4		11.6
Total non-interest income	40.9		73.5
Total non-interest expense	114.6		123.8
Income before income tax expense	199.9		178.3
Income tax expense	41.4		38.4
Net income	$	158.5	$	139.9
Average total assets	$	35,071.2	$	33,948.5
Average total liabilities	19,503.4		14,308.5

Commercial Banking’s net income increased $18.6 million for the three months ended March 31, 2021 compared to the year-ago period, reflecting an increase in net interest income and a decrease in non-interest expense, partially offset by a decrease in non-interest income. The $46.8 million increase in net interest income primarily reflects the benefits from increases in FTP net spread income and average commercial loan and lease balances, and a decrease in interest expense, partially offset by the adverse effect of a decline in loan yields. Non-interest income for the three months ended March 31, 2021 decreased $32.6 million compared to the year-ago period, primarily reflecting decreases in gains on the sales of loans, insurance revenue and net customer interest rate swap income, partially offset by increases in commercial banking lending fees and cash management fees. The $9.2 million decrease in non-interest expense in the first quarter of 2021 compared to the year-ago period reflects a lower level of direct expenses, partially offset by a higher level of allocated expenses. Compared to the first quarter of 2020, average total assets increased $1.1 billion, primarily reflecting organic loan growth and Paycheck Protection Program (“PPP”) loans. Average total liabilities increased $5.2 billion, primarily reflecting organic deposit growth.

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Retail Banking includes, as its principal business lines, consumer lending (including residential mortgage and home equity lending) and consumer deposit products. This segment also provides brokerage, financial advisory services, investment management services and life insurance through People’s Securities, Inc., investment advisory services and financial management and planning services through People’s United Advisors, Inc. and non-institutional trust services.

	Three Months Ended March 31,
(in millions)	2021		2020
Net interest income	$	167.5	$	151.4
Provision for credit losses	2.5		1.9
Total non-interest income	47.3		48.9
Total non-interest expense	167.0		157.8
Income before income tax expense	45.3		40.6
Income tax expense	9.3		8.7
Net income	$	36.0	$	31.9
Average total assets	$	11,969.5	$	13,982.7
Average total liabilities	28,244.1		25,440.4

Retail Banking’s net income increased $4.1 million for the three months ended March 31, 2021 compared to the
year-ago period, primarily reflecting an increase in net interest income partially offset by an increase in non-interest expense. The $16.1 million increase in net interest income primarily reflects a decrease in interest expense and the benefit from an increase in FTP net spread income, partially offset by the adverse effect of declines in average residential mortgage loan balances and loan yields. Non-interest income for the three months ended March 31, 2021 decreased $1.6 million compared to the year-ago period, primarily reflecting a decrease in bank service charges, partially offset by an increase in investment management fees. The $9.2 million increase in non-interest expense in the first quarter of 2021 compared to the year-ago period reflects a higher level of allocated expenses, partially offset by a lower level of direct expenses. Compared to the first quarter of 2020, average total assets decreased $2.0 billion, primarily reflecting a decline in retail loans. Average total liabilities increased $2.8 billion, primarily reflecting organic deposit growth.

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Treasury encompasses the securities portfolio, short-term investments, brokered deposits, wholesale borrowings and the funding center, which includes the impact of derivative financial instruments used for risk management purposes.

The income or loss for the funding center represents the IRR component of People’s United’s net interest income as calculated by its FTP model in deriving each operating segment’s net interest income. Under this process, the funding center buys funds from liability-generating business lines, such as retail deposits, and sells funds to asset-generating business lines, such as commercial lending. The price at which funds are bought and sold on any given day is set by People’s United’s Treasury group and is based on the wholesale cost to People’s United of assets and liabilities with similar maturities.
Liability-generating businesses sell newly-originated liabilities to the funding center and recognize a funding credit, while asset-generating businesses buy funding for newly-originated assets from the funding center and recognize a funding charge. Once funding for an asset is purchased from or a liability is sold to the funding center, the price that is set by the Treasury group will remain with that asset or liability until it matures or reprices, which effectively transfers responsibility for managing IRR to the Treasury group.

	Three Months Ended March 31,
(in millions)	2021		2020
Net interest income (loss)	$	(65.1)	$	8.0
Total non-interest income	4.5		(1.3)
Total non-interest expense	1.0		4.4
Income (loss) before income tax    expense (benefit)	(61.6)		2.3
Income tax expense (benefit)	(12.7)		0.5
Net income (loss)	$	(48.9)	$	1.8
Average total assets	$	15,353.4	$	8,947.0
Average total liabilities	7,844.9		10,262.4

Treasury’s net loss for the three months ended March 31, 2021 compared to net income in the year-ago period primarily reflects a decrease in net interest income. The $73.1 million decrease in net interest income primarily reflects the adverse effect from a decrease in FTP net spread income, primarily resulting from the reduction in interest rates initiated by the FOMC (see Recent Developments and Net Interest Income), partially offset by the benefits from a decrease in interest expense and an increase in average securities balances. Compared to the first quarter of 2020, average total assets increased $6.4 billion, primarily reflecting increases in short-term investments and securities, and average total liabilities decreased $2.4 billion, primarily reflecting a decrease in borrowings, partially offset by an increase in deposits.

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Other includes the residual financial impact from the allocation of revenues and expenses (including the provision for credit losses on loans) and certain revenues and expenses not attributable to a particular segment; assets and liabilities not attributable to a particular segment; reversal of the FTE adjustment since net interest income for each segment is presented on an FTE basis; and the FTP impact from excess capital. The provision for credit losses on loans in 2021 reflects notable improvements in the economic outlook (e.g. GDP and unemployment) largely attributable to continued COVID-19 vaccine distribution, an easing of social distancing restrictions and further government stimulus, while the provision in 2020 reflects the application of the CECL standard and the impact of COVID-19. Included in non-interest expense for the three months ended March 31, 2021 and 2020 are non-operating expenses totaling $19.6 million and $17.9 million, respectively.

	Three Months Ended March 31,
(in millions)	2021		2020
Net interest loss	$	(3.5)	$	(3.6)
Provision for credit losses	(29.5)		20.0
Total non-interest income	1.9		2.7
Total non-interest expense	29.3		34.1
Loss before income tax benefit	(1.4)		(55.0)
Income tax benefit	(0.3)		(11.8)
Net loss	$	(1.1)	$	(43.2)
Average total assets	$	1,662.6	$	1,725.5
Average total liabilities	858.4		788.1

Net Interest Income

Net interest income and net interest margin are affected by many factors, including: changes in average balances; interest rate fluctuations and the slope of the yield curve; sales of loans and securities; residential mortgage loan and mortgage-backed security prepayment rates; product pricing; competitive forces; the relative mix, repricing characteristics and maturity of interest-earning assets and interest-bearing liabilities; non-interest-bearing sources of funds; hedging activities; and asset quality.

In March 2020, the FOMC lowered the target range for the federal funds rate twice by a total of 150 basis points (see Recent Developments), bringing the current target range to between 0.00% and 0.25%. In 2019, the FOMC lowered the target range three times by a total of 75 basis points. For the first quarter of 2021, the average effective federal funds rate was 0.08%.

The net interest margin was 2.74% in the first quarter of 2021, compared to 2.84% in the fourth quarter of 2020 and 3.12% in the first quarter of 2020. As compared to the fourth quarter of 2020, the decrease in the net interest margin primarily reflects lower yields on the securities portfolio, partially offset by the benefit of lower rates on deposits.

First Quarter 2021 Compared to First Quarter 2020

FTE net interest income decreased $10.2 million compared to the first quarter of 2020, reflecting an $82.2 million decrease in total interest and dividend income, partially offset by a $72.0 million decrease in total interest expense, and the net interest margin decreased 38 basis points to 2.74%.

Average total earning assets were $57.4 billion in the first quarter of 2021, a $5.6 billion increase from the first quarter of 2020, reflecting increases of $4.7 billion in average short-term investments and $1.5 billion in average securities, partially offset by a $606 million decrease in average total loans. The average residential mortgage loan and average home equity portfolios decreased $1.9 billion and $476 million, respectively, compared to the year-ago period. The average total commercial loan portfolio increased $2.0 billion compared to the year-ago period, primarily reflecting loans originated through the PPP.

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Average total loans, average securities and average short-term investments comprised 74%, 17% and 9%, respectively, of average total earning assets in the first quarter of 2021, compared to 84%, 15%, and 1% , respectively in the first quarter of 2020. In the current quarter, the yield earned on the total loan portfolio was 3.42% and the yield earned on securities and
short-term investments was 1.59%, compared to 4.13% and 2.79%, respectively, in the year-ago period. At both
March 31, 2021 and December 31, 2020, approximately 46% of the Company’s loan portfolio was comprised of Prime Rate and LIBOR-based floating rate loans.

Average total funding liabilities were $55.0 billion in the first quarter of 2021, a $5.5 billion increase from the year-ago period, primarily reflecting an $8.7 billion increase in average total deposits, partially offset by a $3.2 billion decrease in average total borrowings. The increase in average total deposits reflects organic growth. Excluding brokered deposits, average non-interest bearing deposits and average savings, interest-bearing checking and money market deposits increased $5.7 billion and $4.5 billion, respectively, while average time deposits decreased $2.5 billion. Average total deposits comprised 96% and 89% of average total funding liabilities in the first quarters of 2021 and 2020, respectively.

The 60 basis point decrease to 0.23% in the rate paid on average total funding liabilities in the first quarter of 2021 compared to 2020 primarily reflects the decreases in the target federal funds rate discussed above. The rate paid on average total deposits decreased 54 basis points, reflecting decreases of 77 basis points in time deposits and 55 basis points in savings, interest-bearing checking and money market deposits and the benefit from a $5.7 billion increase in non-interest bearing deposits. Average savings, interest-bearing checking and money market deposits and average time deposits comprised 60% and 10%, respectively, of average total deposits in the first quarter of 2021 compared to 56% and 21%, respectively, in the comparable 2020 period.

First Quarter 2021 Compared to Fourth Quarter 2020

FTE net interest income increased $3.3 million compared to the fourth quarter of 2020, reflecting a $4.3 million decrease in total interest and dividend income, which was more than offset by a $7.6 million decrease in total interest expense. The net interest margin decreased nine basis points to 2.74%, reflecting: (i) lower yields on the securities portfolio; (ii) two less calendar days in the first quarter; and (iii) excess liquidity resulting from deposits at the Federal Reserve Bank, which reduced the net interest margin by 11, four and three basis points, respectively; partially offset by (i) lower rates on deposits and (ii) higher yields on the loan portfolio, which benefited the net interest margin by five and three basis points, respectively. Included in interest income in the first quarter of 2021 and fourth quarter of 2020 are fees, net of related costs, totaling $24.8 million and $15.3 million, respectively, recognized in connection with the Company's role in originating loans under the PPP. Fees earned as a participating PPP lender are deferred and recognized over the earlier of the life of the related loans or until forgiven by the Small Business Administration (“SBA”).

Average total earning assets increased $2.4 billion from the fourth quarter of 2020, reflecting increases of $2.4 billion in average short-term investments and $1.2 billion in average securities, partially offset by a $1.2 billion decrease in average total loans. In the first quarter of 2021, the average total commercial loan, average residential loan and average home equity portfolios decreased $575 million, $493 million and $123 million, respectively. Within commercial loans, the commercial and industrial portfolio decreased $302 million (PPP loans averaged $2.5 billion in both the first quarter of 2021 and fourth quarter of 2020), while the commercial real estate portfolio decreased $293 million.

Average total funding liabilities increased $2.1 billion from the fourth quarter of 2020, primarily reflecting a $2.2 billion increase in average total deposits.

The following table presents average balance sheets, FTE-basis interest income, interest expense and the corresponding average yields earned and rates paid for the three months ended March 31, 2021, December 31, 2020 and March 31, 2020. The average balances are principally daily averages and, for loans, include both performing and non-performing balances. Interest income on loans includes the effect of deferred loan fees and costs accounted for as yield adjustments, but does not include interest on loans for which People’s United has ceased to accrue interest. Premium amortization and discount accretion (including amounts attributable to purchase accounting adjustments) are also included in the respective interest income and interest expense amounts. The impact of People’s United’s use of derivative instruments in managing IRR is also reflected in the tables, classified according to the instrument hedged and the related risk management objective.

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Average Balance Sheet, Interest and Yield/Rate Analysis (1)
	March 31, 2021						December 31, 2020						March 31, 2020
Three months ended (dollars in millions)	Average Balance		Interest		Yield/ Rate		Average Balance		Interest		Yield/ Rate		Average Balance		Interest		Yield/ Rate
Assets:
Short-term investments	$	5,000.0	$	1.2	0.10	%	$	2,582.1	$	0.8	0.12	%	$	289.8	$	2.0	2.70	%
Securities (2)	9,560.6		56.7		2.37		8,390.2		52.3		2.50		8,021.8		56.0		2.80
Loans:
Commercial real estate	13,281.3		98.8		2.98		13,574.3		106.1		3.13		14,715.3		149.6		4.07
Commercial and industrial	14,319.6		118.4		3.31		14,621.8		113.6		3.11		10,866.6		109.8		4.04
Equipment financing	4,887.7		62.8		5.13		4,867.5		62.1		5.10		4,915.6		68.2		5.55
Residential mortgage	8,328.3		70.2		3.37		8,821.0		75.3		3.41		10,236.3		90.5		3.54
Home equity and other    consumer	2,037.1		16.5		3.23		2,176.6		18.7		3.44		2,726.1		30.7		4.51
Total loans	42,854.0		366.7		3.42		44,061.2		375.8		3.41		43,459.9		448.8		4.13
Total earning assets	57,414.6		$	424.6	2.96	%	55,033.5		$	428.9	3.12	%	51,771.5		$	506.8	3.92	%
Other assets	6,642.1						7,362.6						6,832.2
Total assets	$	64,056.7					$	62,396.1					$	58,603.7
Liabilities and stockholders’ equity:
Deposits:
Non-interest-bearing	$	15,820.0	$	—	—	%	$	14,742.6	$	—	—	%	$	10,077.8	$	—	—	%
Savings, interest-bearing    checking and money market	31,820.1		12.8		0.16		29,978.3		14.7		0.20		24,940.7		44.1		0.71
Time	5,236.4		9.9		0.75		5,953.5		15.4		1.03		9,144.6		34.8		1.52
Total deposits	52,876.5		22.7		0.17		50,674.4		30.1		0.24		44,163.1		78.9		0.71
Borrowings:
Federal Home Loan Bank    advances	569.7		1.0		0.72		571.8		1.1		0.77		2,430.6		9.8		1.61
Customer repurchase    agreements	422.8		0.2		0.13		447.6		0.2		0.15		328.0		0.5		0.67
Federal funds purchased	150.6		—		0.09		213.3		—		0.09		1,593.9		5.1		1.28
Total borrowings	1,143.1		1.2		0.42		1,232.7		1.3		0.43		4,352.5		15.4		1.42
Notes and debentures	1,007.8		7.2		2.87		1,010.8		7.3		2.89		999.5		8.8		3.51
Total funding liabilities	55,027.4		$	31.1	0.23	%	52,917.9		$	38.7	0.29	%	49,515.1		$	103.1	0.83	%
Other liabilities	1,423.4						1,594.2						1,284.3
Total liabilities	56,450.8						54,512.1						50,799.4
Stockholders’ equity	7,605.9						7,884.0						7,804.3
Total liabilities and    stockholders’ equity	$	64,056.7					$	62,396.1					$	58,603.7
Net interest income/spread (3)			$	393.5	2.73	%			$	390.2	2.83	%			$	403.7	3.09	%
Net interest margin					2.74	%					2.84	%					3.12	%

(1)Average yields earned and rates paid are annualized.

(2)Average balances and yields for securities are based on amortized cost.

(3)The FTE adjustment was $7.6 million, $7.4 million and $7.7 million for the three months ended March 31, 2021, December 31, 2020 and March 31, 2020, respectively.

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Volume and Rate Analysis

The following tables shows the extent to which changes in interest rates and changes in the volume of average total earning assets and average interest-bearing liabilities have affected People’s United’s net interest income. For each category of earning assets and interest-bearing liabilities, information is provided relating to: (i) changes in volume (changes in average balances multiplied by the prior year’s average interest rates); (ii) changes in rates (changes in average interest rates multiplied by the prior year’s average balances); and (iii) the total change. Changes attributable to both volume and rate have been allocated proportionately.

	Three Months Ended March 31, 2021 Compared To
	March 31, 2020 Increase (Decrease)						December 31, 2020 Increase (Decrease)
(in millions)	Volume		Rate		Total		Volume		Rate		Total
Interest and dividend income:
Short-term investments	$	2.9	$	(3.7)	$	(0.8)	$	0.6	$	(0.2)	$	0.4
Securities	9.8		(9.1)		0.7		7.0		(2.6)		4.4
Loans:
Commercial real estate	(13.5)		(37.3)		(50.8)		(2.3)		(5.0)		(7.3)
Commercial and industrial	30.8		(22.2)		8.6		(2.4)		7.2		4.8
Equipment financing	(0.4)		(5.0)		(5.4)		0.3		0.4		0.7
Residential mortgage	(16.2)		(4.1)		(20.3)		(4.2)		(0.9)		(5.1)
Home equity and other consumer	(6.7)		(7.5)		(14.2)		(1.2)		(1.0)		(2.2)
Total loans	(6.0)		(76.1)		(82.1)		(9.8)		0.7		(9.1)
Total change in interest and dividend    income	6.7		(88.9)		(82.2)		(2.2)		(2.1)		(4.3)
Interest expense:
Deposits:
Savings, interest-bearing checking and    money market	9.7		(41.0)		(31.3)		0.9		(2.8)		(1.9)
Time	(11.4)		(13.5)		(24.9)		(1.7)		(3.8)		(5.5)
Total deposits	(1.7)		(54.5)		(56.2)		(0.8)		(6.6)		(7.4)
Borrowings:
Federal Home Loan Bank advances	(5.1)		(3.7)		(8.8)		—		(0.1)		(0.1)
Federal funds purchased	(2.5)		(2.6)		(5.1)		—		—		—
Customer repurchase agreements	0.1		(0.5)		(0.4)		—		—		—
Total borrowings	(7.5)		(6.8)		(14.3)		—		(0.1)		(0.1)
Notes and debentures	0.1		(1.6)		(1.5)		—		(0.1)		(0.1)
Total change in interest expense	(9.1)		(62.9)		(72.0)		(0.8)		(6.8)		(7.6)
Change in net interest income	$	15.8	$	(26.0)	$	(10.2)	$	(1.4)	$	4.7	$	3.3

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Non-Interest Income
	Three Months Ended
(in millions)	March 31, 2021		Dec. 31, 2020		March 31, 2020
Bank service charges	$	23.5	$	24.7	$	28.0
Investment management fees	19.9		18.9		18.1
Commercial banking lending fees	13.6		15.5		12.1
Operating lease income	11.3		12.9		12.6
Cash management fees	9.2		9.1		7.4
Gain on sale of business, net of expenses	—		75.9		—
Other non-interest income:
BOLI	2.2		3.1		2.9
Net gains on sales of residential mortgage loans     held-for-sale	1.7		2.5		0.7
Customer interest rate swap income, net	0.1		2.2		8.8
Other	13.1		13.4		33.2
Total other non-interest income	17.1		21.2		45.6
Total non-interest income	$	94.6	$	178.2	$	123.8

Total non-interest income in the first quarter of 2021 decreased $29.2 million compared to the first quarter of 2020 and decreased $83.6 million compared to the fourth quarter of 2020. The decrease compared to the year-ago period primarily reflects decreases in other non-interest income, net customer interest rate swap income and bank service charges, partially offset by increases in investment management fees and cash management fees. Excluding the gain on sale of PUIA in the fourth quarter of 2020, which is considered non-operating income, the decrease compared to the fourth quarter of 2020 primarily reflects decreases in net customer interest rate swap income, commercial banking lending fees, operating lease income and bank services charges.

The decrease in bank service charges in the first quarter of 2021 compared to both the fourth quarter of 2020 and the
year-ago period primarily reflects the level of customer activity resulting from the economic uncertainty brought about by COVID-19. The increase in investment management fees compared to both the fourth quarter of 2020 and the year-ago period primarily reflects the effect of recent market volatility. At March 31, 2021, assets under discretionary management totaled $9.8 billion compared to $9.5 billion at December 31, 2020.

The fluctuations in commercial banking lending fees compared to both the fourth quarter of 2020 and first quarter of 2020 are primarily related to the levels of prepayment income and loan syndication fees collected in the respective periods. The increase in net gains on sales of residential mortgage loans in the first quarter of 2021 compared to the first quarter of 2020 reflects improvement in spreads on pricing, partially offset by a 5% decrease in the volume of residential mortgage loans sold. The decrease in net gains on sales of residential mortgage loans in the first quarter of 2021 compared to the fourth quarter of 2020 reflects a 35% decrease in the volume of residential mortgage loans sold, partially offset by improvement in spreads on pricing. The decline in net customer interest rate swap income in the first quarter of 2021 compared to both the first quarter of 2020 and fourth quarter of 2020 reflects the levels in both the number and notional value of customer swaps.

On an FTE basis, BOLI income totaled $3.0 million in the first quarter of 2021 compared to $4.0 million in the fourth quarter of 2020 and $3.7 million in the year-ago quarter. BOLI income in the first quarter of 2021 compared to the fourth quarter of 2020 includes death benefits received totaling $0.4 million and $0.3 million, respectively (none in the first quarter of 2020). Included in other non-interest income are unrealized gains/(losses) relating to the change in fair value of equity securities totaling $0.1 million, $0.8 million and $(1.4) million in the first quarter of 2021, fourth quarter of 2020 and first quarter of 2020, respectively (see Note 2 to the Consolidated Financial Statements). Other non-interest income in the first quarter of 2021, fourth quarter of 2020 and first quarter of 2020 also includes fair value adjustments totaling $0.5 million, $(0.6) million and $(3.0) million, respectively, relating to a mortgage servicing right asset. Other non-interest income includes insurance revenue totaling $4.1 million and $10.9 million, respectively, in the fourth and first quarters of 2020. Included in other non-interest income in the first quarter of 2020 are net gains on loans held-for-sale totaling $16.9 million.

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Non-Interest Expense
	Three Months Ended
(dollars in millions)	March 31, 2021			Dec. 31, 2020			March 31, 2020
Compensation and benefits	$	172.8		$	166.6		$	173.9
Occupancy and equipment	49.1			50.9			51.0
Professional and outside services	33.6			24.9			38.5
Amortization of other acquisition-related intangible assets	11.0			9.7			10.7
Regulatory assessments	8.1			6.9			8.7
Operating lease expense	7.8			8.5			9.8
Goodwill impairment	—			353.0			—
Other non-interest expense:
Stationary, printing, postage and telephone	6.1			5.9			6.9
Advertising and promotion	3.1			4.4			3.8
Other	20.3			15.6			16.8
Total other non-interest expense	29.5			25.9			27.5
Total non-interest expense	$	311.9		$	646.4		$	320.1
Efficiency ratio	56.6		%	55.5		%	54.0		%

Total non-interest expense in the first quarter of 2021 decreased $8.2 million compared to the first quarter of 2020 and $334.5 million compared to the fourth quarter of 2020. Included in total non-interest expense are merger-related and other
non-operating expenses totaling $19.6 million in the first quarter of 2021, $357.9 million in the fourth quarter of 2020 and $17.9 million in the year-ago quarter. Excluding such expenses, total non-interest expense decreased $9.9 million compared to the first quarter of 2020 (primarily reflecting a decrease in other non-interest expense) and increased $3.8 million compared to the fourth quarter of 2020 (primarily reflecting an increase in compensation and benefits, partially offset by decreases in occupancy and equipment and other non-interest expense).

As compared to the first quarter of 2020, the improvement in the efficiency ratio reflects decreases in adjusted total revenues of 7% and adjusted total expenses of 3% (see Non-GAAP Financial Measures and Reconciliation to GAAP).

Excluding $0.1 million and $(0.1) million of merger-related expenses in the first quarter of 2021 and the fourth quarter of 2020, respectively, the $6.0 million increase primarily reflects seasonally-higher payroll and benefit-related costs.

Professional and outside services fees include merger-related and other non-operating expenses totaling $9.4 million in the first quarter of 2021, $0.8 million in the fourth quarter of 2020 and $15.1 million in the first quarter of 2020. Excluding such expenses, the fluctuations in professional and outside services fees are primarily related to the timing of certain projects.

Regulatory assessments include Federal Deposit Insurance Corporation (“FDIC”) insurance premiums, which are based on the Bank’s average total assets and average tangible equity, and FDIC-defined risk factors. The actual amount of future regulatory assessments will be dependent on several factors, including: (i) the Bank’s average total assets and average tangible equity; (ii) the Bank’s risk profile; and (iii) whether additional special assessments are imposed in future periods and the manner in which such assessments are determined. The increase in regulatory assessments in the first quarter of 2021 compared to the fourth quarter of 2020 primarily reflects an increase in the Bank's total assessment base resulting from recent acquisitions and organic growth.

Scheduled amortization expense attributable to other acquisition-related intangible assets for the full-year of 2021 and each of the next five years is as follows: $35.4 million in 2021; $30.9 million in 2022; $23.2 million in 2023; $19.5 million in 2022; $16.6 million in 2024; and $13.7 million in 2025.

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Goodwill is evaluated for impairment as of the annual measurement date or more frequently if a triggering event indicates that it is more likely than not that an impairment loss has been incurred. People’s United performed a quantitative assessment of goodwill impairment as of October 1, 2020 (its annual measurement date). A quantitative assessment includes determining the estimated fair value of each reporting unit, utilizing a combination of the discounted cash flow method of the income approach and the guideline public company method of the market approach, and comparing that fair value to each reporting unit’s carrying amount. Based on the quantitative assessment performed as of October 1, 2020, People’s United recognized a non-cash goodwill impairment charge totaling $353.0 million (representing 12% of total goodwill) associated with the Retail Banking reporting unit (see Note 8 to the Consolidated Financial Statements for a further discussion).

Merger-related expenses included in other non-interest expense totaled $3.9 million and $1.9 million for the fourth quarter of 2020 and first quarter of 2020, respectively. Other non-interest expense in the first quarter of 2021 also includes $10.0 million of Stop & Shop contract termination costs (considered a non-operating expense).

Income Taxes

People’s United’s effective income tax rate was 20.7% for the three months ended March 31, 2021 compared to 37.0% for the full-year of 2020. The full-year 2020 effective income tax rate reflects the impact of a non-deductible goodwill impairment charge for which no tax benefit was realized. Excluding non-deductible goodwill impairment, the effective income tax rate was 18.4% for the full-year of 2020. People’s United’s effective income tax rate for the full-year 2021 is expected to be approximately 19% to 21%. Differences, if any, arising between People’s United’s effective income tax rate and the U.S. federal statutory rate of 21% are generally attributable to: (i) tax-exempt interest earned on certain investments; (ii) tax-exempt income from BOLI; and (iii) state income taxes.

FINANCIAL CONDITION

General

Total assets at March 31, 2021 were $64.2 billion, a $1.1 billion increase from December 31, 2020, primarily reflecting a $1.3 billion increase in total securities, partially offset by decreases of $1.1 billion in total loans and $279 million in other assets. The decrease in total loans from December 31, 2020 to March 31, 2021 reflects decreases of $586 million in retail loans and $514 million in commercial loans. Included in commercial loans at March 31, 2021 are PPP loans totaling $2.57 billion compared to $2.28 billion at December 31, 2020. The increase in total securities primarily reflects net purchases of government sponsored enterprise ("GSE") mortgage-backed and collateralized mortgage obligation securities, partially offset by a $144 million decrease in the unrealized gain on debt securities available-for-sale. The decrease in other assets primarily reflects the change in fair value of derivative financial instruments.

Non-performing assets totaled $363.7 million at March 31, 2021, a $22.1 million increase from December 31, 2020, primarily reflecting increases of $29.8 million in non-accrual commercial real estate loans and $8.8 million in non-accrual equipment financing loans, partially offset by decreases of $7.2 million in non-accrual commercial and industrial loans and $5.4 million in non-accrual residential mortgage loans. The ACL totaled $399.1 million at March 31, 2021, compared to
$425.1 million at December 31, 2020. At March 31, 2021, the ACL as a percentage of total loans was 0.93% and as a percentage of non-accrual loans was 113.0%, compared to 0.97% and 129.1%, respectively, at December 31, 2020.

At March 31, 2021, total liabilities were $56.6 billion, a $1.1 billion increase from December 31, 2020, primarily reflecting a $1.3 billion increase in total deposits, partially offset by a $248 million decrease in other liabilities.

People’s United’s total stockholders’ equity was $7.6 billion at March 31, 2021, an $11 million decrease from December 31, 2020. As a percentage of total assets, stockholders’ equity was 11.8% and 12.1% at March 31, 2021 and December 31, 2020, respectively. Tangible common equity equaled 7.4% of tangible assets at March 31, 2021 compared to 7.5% at December 31, 2020 (see Stockholders Equity and Dividends).

People’s United’s (consolidated) Tier 1 Leverage capital ratio and its Common Equity Tier 1 (“CET 1”), Tier 1 and Total risk-based capital ratios were 8.3%, 11.0%, 11.6% and 12.9%, respectively, at March 31, 2021, compared to 8.3%, 10.5%, 11.0% and 12.4%, respectively, at December 31, 2020. The Bank’s Tier 1 Leverage capital ratio and its CET 1, Tier 1 and Total
risk-based capital ratios were 8.7%, 12.2%, 12.2% and 13.5%, respectively, at March 31, 2021, compared to 8.7%, 11.5%, 11.5% and 12.8%, respectively, at December 31, 2020 (see Regulatory Capital Requirements).

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Loans

People’s United’s lending activities consist of originating loans secured by commercial and residential properties, and extending secured and unsecured loans to commercial and consumer customers. In the first quarter of 2021, the Company completed a portfolio review to ensure consistent classification of certain commercial loans across the Company's franchise and conformity to industry practice for such loans. As a result, approximately $350 million of loans secured by non-owner-occupied commercial properties were prospectively reclassified, in March 2021, from commercial and industrial loans to commercial real estate loans. Prior period balances were not restated to conform to the current presentation. Included in commercial and industrial loans at March 31, 2021 are PPP loans totaling $2.6 billion (including $851 million in Service, $432 million in Health services, $339 million in Manufacturing, $319 million in Construction and $146 million in Retail trade) and associated deferred loan fees totaling $62.5 million.

The following tables summarize People’s United’s loan portfolios:

Commercial Real Estate 

(in millions)	March 31, 2021		December 31, 2020
Property Type:
Residential (multifamily)	$	4,116.0	$	4,231.4
Retail	3,520.7		3,579.3
Office buildings	2,313.6		2,366.7
Health care	1,011.0		560.7
Hospitality/entertainment	985.8		980.4
Industrial/manufacturing	834.0		840.3
Mixed/special use	331.7		353.2
Self storage	201.0		198.7
Land	80.9		79.3
Other	125.4		146.9
Total commercial real estate	$	13,520.1	$	13,336.9

Commercial and Industrial

(in millions)	March 31, 2021		December 31, 2020
Industry:
Finance and insurance	$	3,983.3	$	4,485.5
Service	2,846.6		2,688.4
Manufacturing	1,361.5		1,384.7
Wholesale trade	1,251.2		1,223.4
Health services	1,181.8		1,489.6
Real estate, rental and leasing	1,110.5		1,152.1
Retail trade	810.7		851.3
Construction	568.1		533.6
Transportation and utilities	435.9		450.4
Arts, entertainment and recreation	253.8		236.2
Information and media	177.3		165.7
Printing	75.3		79.0
Packaging	49.2		58.5
Public administration	47.9		49.9
Other	135.1		134.0
Total commercial and industrial	$	14,288.2	$	14,982.3

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Equipment Financing 

(in millions)	March 31, 2021		December 31, 2020
Industry:
Transportation and utilities	$	1,109.9	$	1,122.8
Construction	719.2		716.7
Service	714.9		713.1
Rental and leasing	464.5		500.3
Manufacturing	432.7		416.6
Health services	277.1		268.8
Wholesale trade	276.3		263.3
Waste management	203.8		198.9
Printing	180.7		178.7
Retail trade	145.6		142.3
Packaging	114.0		118.7
Mining, oil and gas	66.4		67.4
Other	222.1		222.4
Total equipment financing	$	4,927.2	$	4,930.0

Residential Mortgage

(in millions)	March 31, 2021		December 31, 2020
Adjustable-rate	$	5,105.4	$	5,517.3
Fixed-rate	2,961.8		3,001.6
Total residential mortgage	$	8,067.2	$	8,518.9

Home Equity and Other Consumer

(in millions)	March 31, 2021		December 31, 2020
Home equity lines of credit	$	1,708.1	$	1,814.1
Home equity loans	165.8		183.1
Other	93.1		104.2
Total home equity and other consumer	$	1,967.0	$	2,101.4

Asset Quality

CARES Act

Issued in response to the economic disruption caused by the COVID-19 pandemic, the CARES Act provides financial assistance for businesses and individuals as well as targeted regulatory relief for financial institutions. The following provisions of the CARES Act are significant to People’s United.

Paycheck Protection Program

The CARES Act created a new loan guarantee program known as the PPP, the objective of which is to provide small businesses with financial support to cover payroll and certain other qualifying expenses. Loans made under the PPP are fully guaranteed by the SBA, whose guarantee is backed by the full faith and credit of the United States. PPP loans also afford borrowers forgiveness up to the principal amount of the loan, plus accrued interest, provided the loan proceeds are used to retain workers and maintain payroll or to make certain mortgage interest, lease and utility payments, and certain other criteria are satisfied. The SBA will reimburse PPP lenders for any amount of a PPP loan that is forgiven, and PPP lenders will not be held liable for any representations made by PPP borrowers in connection with their requests for loan forgiveness. As of
May 3, 2021, People’s United, as a participating PPP lender, had approved, submitted to the SBA and funded PPP loan requests totaling approximately $3.6 billion, of which approximately $2.5 billion remains outstanding. For regulatory capital purposes, PPP loans are assigned a zero risk-weighting as a result of the related SBA guarantee.

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Loan Forbearance Initiatives

The CARES Act, along with supervisory guidance issued by the federal banking regulators, also creates a forbearance program for federally-backed mortgage loans and provides financial institutions with the option to temporarily suspend certain requirements under U.S. GAAP related to troubled debt restructurings (“TDRs”). Specifically, short-term modifications made on a good faith basis in response to COVID-19 to borrowers that are current prior to any relief, are not required to be considered for TDR classification. This includes short-term (e.g. six months or less) modifications such as payment deferrals, fee waivers, extensions of repayment terms or other delays in payment that are insignificant. This exception relates to any eligible loan modification made between March 1, 2020 and the earlier of December 31, 2020 or 60 days after the national emergency related to COVID-19 is ended. In December 2020, the signing of the Consolidated Appropriations Act, 2021 extended this guidance to modifications made until the earlier of January 1, 2022 or 60 days after the end of the COVID-19 national emergency. Further, for loans not otherwise reportable as past due, financial institutions are not expected to designate loans with deferrals granted due to COVID-19 as past due because of the deferral. The Company applied this guidance since March 2020 however, its policies and practices with respect to the assessment of loan repayment, non-accrual status and charge-offs remain unchanged.

As of May 3, 2021, the Company had granted loan forbearance requests representing approximately $7.5 billion of outstanding balances across nearly all of the Company’s loan portfolios, with the most significant activity noted in commercial real estate, commercial and industrial, and equipment financing. Of the loans that were granted a deferral related to COVID-19, approximately 92% have left deferral and made their first full payment. We anticipate that this percentage will increase as the remainder of these loans exit their first deferral.

The CARES Act also prohibits servicers of federally-backed mortgage loans from initiating any foreclosure action on any residential property that is not vacant or abandoned for a period of 60 days, beginning on March 18, 2020. In addition to these federal measures, some state governments have taken action to require forbearance with respect to certain loans and fees. The Company continues to monitor both federal and state regulatory developments in relation to COVID-19 and their potential impact on our operations.

General

While People’s United continues to adhere to prudent underwriting standards, the loan portfolio is not immune to potential negative consequences arising as a result of general economic weakness and, in particular, a prolonged downturn in the housing market on a national scale. Decreases in real estate values could adversely affect the value of property used as collateral for loans. In addition, adverse changes in the economy could have a negative effect on the ability of borrowers to make scheduled loan payments, which would likely have an adverse impact on earnings. Further, an increase in loan delinquencies may serve to decrease interest income and adversely impact loan loss experience, resulting in an increased provision and ACL.

People’s United actively manages asset quality through its underwriting practices and collection operations. Underwriting practices tend to focus on optimizing the return of a given risk classification while collection operations focus on minimizing losses once an account becomes delinquent. People’s United attempts to minimize losses associated with commercial loans by requiring borrowers to pledge adequate collateral and/or provide for third-party guarantees. Loss mitigation within the residential mortgage loan portfolio is highly dependent on the value of the underlying real estate.

Certain loans whose terms have been modified are considered TDRs. Loans are considered TDRs if the borrower is experiencing financial difficulty and is afforded a concession by People’s United, such as, but not limited to: (i) payment deferral; (ii) a reduction of the stated interest rate for the remaining contractual life of the loan; (iii) an extension of the loan’s original contractual term at a stated interest rate lower than the current market rate for a new loan with similar risk; (iv) capitalization of interest; or (v) forgiveness of principal or interest.

Guidance issued by the Office of the Comptroller of the Currency requires that loans subject to a borrower’s discharge from personal liability following a Chapter 7 bankruptcy be treated as TDRs, included in non-accrual loans and written down to the estimated collateral value, regardless of delinquency status. Included in TDRs at March 31, 2021 are $36.4 million of such loans. Of this amount, $28.7 million, or 79%, were less than 90 days past due on their payments as of that date.

TDRs may either be accruing or placed on non-accrual status (and reported as non-accrual loans) depending upon the loan’s specific circumstances, including the nature and extent of the related modifications. TDRs on non-accrual status remain classified as such until the loan qualifies for return to accrual status. Loans qualify for return to accrual status once they have demonstrated performance with the restructured terms of the loan agreement for a minimum of six months in the case of a commercial loan or, in the case of a retail loan, when the loan is less than 90 days past due. Loans may continue to be reported as TDRs after they are returned to accrual status.

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During the three months ended March 31, 2021, we performed nine loan modifications that were not classified as TDRs. The balances of these loans at the time of the respective modifications totaled $41.3 million. In each case, we concluded that the modification did not result in the granting of a concession based on one or more of the following considerations: (i) the receipt of additional collateral (the nature and amount of which was deemed to serve as adequate compensation for other terms of the restructuring) and/or guarantees; (ii) the borrower having access to funds at a market rate for debt with similar risk characteristics as the restructured debt; and (iii) the restructuring resulting in a delay in payment that is insignificant in relation to the other terms of the obligation. See Note 3 to the Consolidated Financial Statements and Loan Forbearance Initiatives above for additional disclosures relating to TDRs.

Portfolio Risk Elements – Residential Mortgage Lending

People’s United does not actively engage in subprime mortgage lending that has, historically, been the riskiest sector of the residential housing market. People’s United has virtually no exposure to subprime loans, or to similarly high-risk Alt-A loans and structured investment vehicles. While no standard definition of “subprime” exists within the industry, the Company has generally defined subprime as borrowers with credit scores of 660 or less, either at or subsequent to origination.

At March 31, 2021, the loan portfolio included $817 million of interest-only residential mortgage loans. People’s United began originating interest-only residential mortgage loans in March 2003. The underwriting guidelines and requirements for such loans are generally more restrictive than those applied to other types of residential mortgage loans. People’s United has not originated interest-only residential mortgage loans that permit negative amortization or optional payment amounts. Amortization of an interest-only residential mortgage loan begins after the initial interest rate changes (e.g. after 5 years for a 5/1 adjustable-rate mortgage). In general, People’s United’s underwriting guidelines for residential mortgage loans require the following: (i) properties must be single-family and owner-occupied primary residences; (ii) lower loan-to-value (“LTV”) ratios (less than 60% on average); (iii) higher credit scores (greater than 700 on average); and (iv) sufficient post-closing reserves.

Updated estimates of property values are obtained from an independent third-party for residential mortgage loans 90 days past due. At March 31, 2021, non-accrual residential mortgage loans totaling $0.2 million had current LTV ratios of more than 100%. At that date, the weighted average LTV ratio and FICO score for the residential mortgage loan portfolio were 62% and 763, respectively.

The Company continues to monitor its foreclosure policies and procedures to ensure ongoing compliance with applicable industry standards. We believe that our established procedures for reviewing foreclosure affidavits and validating information contained in related loan documentation are sound and consistently applied, and that our foreclosure affidavits are accurate. As a result, People’s United has not found it necessary to interrupt or suspend foreclosure proceedings. We have also considered the effect of representations and warranties that we made to third-party investors in connection with whole loan sales, and believe our representations and warranties were true and correct and do not expose the Company to any material loss.

During the three months ended March 31, 2021, the Company repurchased two residential mortgage loans from GSEs and other parties that we had previously sold to the GSEs and other parties. The balance of the loans at the time of the respective repurchases totaled $0.6 million and related fees and expenses incurred totaled less than $0.1 million. During that same time period, the Company issued 12 investor refunds, totaling $0.1 million, under contractual recourse agreements. Based on the limited number of repurchase requests the Company has historically received, the immaterial cost associated with such repurchase requests and management’s view that this past experience is consistent with our current and near-term estimate of such exposure, the Company has established a reserve for such repurchase requests, which totaled $0.5 million as of
March 31, 2021.

The aforementioned foreclosure issues and the potential for additional legal and regulatory action could impact future foreclosure activities, including lengthening the time required for residential mortgage lenders, including the Bank, to initiate and complete the foreclosure process. In recent years, foreclosure timelines have increased as a result of, among other reasons: (i) delays associated with the significant increase in the number of foreclosure cases as a result of current economic conditions; (ii) additional consumer protection initiatives related to the foreclosure process; and (iii) voluntary and/or mandatory programs intended to permit or require lenders to consider loan modifications or other alternatives to foreclosure. Further increases in the foreclosure timeline may have an adverse effect on collateral values and our ability to minimize losses.

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Portfolio Risk Elements – Home Equity Lending

The majority of our home equity lines of credit (“HELOCs”) have an initial draw period of 9 1/2 years followed by a
20-year repayment phase. During the initial draw period, interest-only payments are required, after which the disbursed balance is fully amortized over a 20-year repayment term. HELOCs carry variable rates indexed to the Prime Rate with a lifetime interest rate ceiling and floor, and are secured by first or second liens on the borrower’s primary residence. The rate used to qualify borrowers is the Prime Rate plus 3.00%, even though the initial rate may be substantially lower. The maximum LTV ratio is 80% on a single-family property, including a condominium, and 70% on a two-family property. Lower LTV ratios are required on larger line amounts. The minimum FICO credit score is 680. The borrower has the ability to convert the entire balance or a portion of the balance to a fixed-rate term loan during the draw period. There is a limit of three term loans that must be fully amortized over a term not to exceed the original HELOC maturity date.

A smaller portion of our HELOC portfolio has an initial draw period of 10 years with a variable-rate interest-only payment, after which there is a 5-year amortization period. An additional small portion of our HELOC portfolio has a 5-year draw period which, at our discretion, may be renewed for an additional 5-year interest-only draw period.

The following table sets forth, as of March 31, 2021, the committed amount of HELOCs scheduled to have the draw period end during the years shown:

December 31, (in millions)	Credit Lines
2021	$	162.2
2022	383.5
2023	409.9
2024	453.3
2025	449.3
2026	462.5
Later years	1,763.1
Total	$	4,083.8

Approximately 88% of our HELOCs are presently in their draw period. Although converted amortizing payment loans represent only a small portion of the portfolio, our default and delinquency statistics indicate a higher level of occurrence for such loans when compared to HELOCs that are still in the draw period.

Delinquency statistics for the HELOC portfolio as of March 31, 2021 are as follows:

	Portfolio Balance		Delinquencies
(dollars in millions)			Amount		Percent
HELOC status:
Still in draw period	$	1,669.9	$	9.9	0.66	%
Amortizing payment	204.0		11.0		5.38

For the three months ended March 31, 2021, 52% of our borrowers with balances outstanding under HELOCs paid only the minimum amount due.

The majority of home equity loans fully amortize over terms ranging from 5 to 20 years. Home equity loans are limited to first or second liens on a borrower’s primary residence. The maximum LTV ratio is 80% on a single-family property, including a condominium, and 70% on a two-family property. Lower LTV ratios are required on larger line amounts.

We are not able, at this time, to develop statistics for the entire home equity portfolio (both HELOCs and home equity loans) with respect to first liens serviced by third parties that have priority over our junior liens, as lien position data has not historically been captured on our loan servicing systems. As of March 31, 2021, full and complete first lien position data was not readily available for 36% of the home equity portfolio. Effective January 2011, we began tracking lien position data for all new originations and our collections department continues to add lien position data once a loan reaches 75 days past due in connection with our updated assessment of combined loan-to-value (“CLTV”) exposure, which takes place for loans 90 days past due. In addition, when we are notified that the holder of a superior lien has commenced a foreclosure action, our home equity account is identified in the collections system for ongoing monitoring of the legal action. As of March 31, 2021, the portion of the home equity portfolio more than 90 days past due with a CLTV greater than 80% was $1.8 million.

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As of March 31, 2021, full and complete first lien position data was readily available for 64%, or $1.1 billion, of the home equity portfolio. Of that total, 40%, or $447.3 million, are in a junior lien position. We estimate that of those junior liens, 35%, or $156.6 million, are held or serviced by others.

When the first lien is held by a third-party, we can, in some cases, obtain an indication that a first lien is in default through information reported to credit bureaus. However, because more than one mortgage may be reported in a borrower’s credit report and there may not be a corresponding property address associated with reported mortgages, we are often unable to associate a specific first lien with our junior lien. As of March 31, 2021, there were eight loans totaling $0.4 million for which we have received notification that the holder of a superior lien has commenced foreclosure action. For two of the loans (totaling less than $0.1 million), our second lien position was performing at the time such foreclosure action was commenced. There was no estimated loss related to those two loans as of March 31, 2021. It is important to note that the percentage of new home equity originations for which we hold the first lien has increased from approximately 40% in 2009 to approximately 56% as of March 31, 2021.

We believe there are several factors that serve to mitigate the potential risk associated with the limitations on available first lien data. Most importantly, our underwriting guidelines for home equity loans, which have been, and continue to be, consistently applied, generally require the following: (i) properties located within our geographic footprint; (ii) lower LTV ratios; and (iii) higher credit scores. Notwithstanding the maximum LTV ratios and minimum FICO scores discussed previously, actual LTV ratios at origination were less than 60% on average and current FICO scores of our borrowers are greater than 700 on average. In addition, as of March 31, 2021, 97% of the portfolio balance relates to originations that occurred since 2005, which is generally recognized as the peak of the last housing bubble. We believe these factors are a primary reason for the portfolio’s relatively low level of non-accrual loans and net loan charge-offs, both in terms of absolute dollars and as a percentage of average total loans.

Each month, all home equity and second mortgage loans greater than 180 days past due (regardless of our lien position) are analyzed in order to determine the amount by which the balance outstanding (including any amount subject to a first lien) exceeds the underlying collateral value. To the extent a shortfall exists, a charge-off is recognized. This charge-off activity is reflected in our established ACL for home equity and second mortgage loans as part of the component attributable to historical portfolio loss experience, which considers losses incurred over the most recent 12-month period. While the limitations on available first lien data could impact the accuracy of our loan loss estimates, we believe that our methodology results in an ACL that appropriately estimates the inherent probable losses within the portfolio, including those loans originated prior to January 2011 for which certain lien position data is not available.

As of March 31, 2021, the weighted average CLTV ratio and FICO score for the home equity portfolio were 57% and 744, respectively.

Portfolio Risk Elements – Commercial Real Estate Lending

In general, construction loans originated by People’s United are used to finance improvements to commercial, industrial or residential property. Repayment is typically derived from the sale of the property as a whole, the sale of smaller individual units or by a take-out from a permanent mortgage. The term of the construction period generally does not exceed two years. Loan commitments are based on established construction budgets that represent an estimate of total costs to complete the proposed project, including both hard (direct) costs (such as building materials and labor) and soft (indirect) costs (such as legal and architectural fees). In addition, project costs may include an appropriate level of interest reserve to carry the project through to completion. If established, such interest reserves are determined based on: (i) a percentage of the committed loan amount; (ii) the loan term; and (iii) the applicable interest rate. Regardless of whether a loan contains an interest reserve, the total project cost statement serves as the basis for underwriting and determining which items will be funded by the loan and which items will be funded through borrower equity.

Construction loans are funded, at the request of the borrower, not more than once per month, based on the extent of work completed, and are monitored, throughout the life of the project, by an independent professional construction engineer and the Company’s commercial real estate lending department. Interest is advanced to the borrower upon request, based on the progress of the project toward completion. The amount of interest advanced is added to the total outstanding principal under the loan commitment. Should the project not progress as scheduled, the adequacy of the interest reserve necessary to carry the project through to completion is subject to close monitoring by management. Should the interest reserve be deemed to be inadequate, the borrower is required to fund the deficiency. Similarly, once a loan is fully funded, the borrower is required to fund all interest payments.

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People’s United’s construction loan portfolio totaled $1.3 billion (3% of total loans) at March 31, 2021. The total committed amount at that date, including both the outstanding balance and the unadvanced portion of such loans, was
$1.8 billion. In some cases, a portion of the total committed amount includes an accompanying interest reserve.
At March 31, 2021, construction loans totaling $717.7 million had remaining available interest reserves of $34.5 million. At that date, the Company had construction loans with interest reserves totaling $0.1 million that were on non-accrual status and included in non-accrual loans.

Historically, certain economic conditions have resulted in an increase in the number of extension requests for commercial real estate and construction loans, some of which may have included related repayment guarantees. Modifications of commercial real estate loans involving maturity extensions are evaluated according to the Company’s normal underwriting standards and are classified as TDRs if the borrower is experiencing financial difficulty and is afforded a concession by People’s United similar to those discussed previously. People’s United had $4.8 million of restructured construction loans at March 31, 2021.

An extension may be granted to allow for the completion of the project, marketing or sales of completed units, or to provide for permanent financing, and is based on a re-underwriting of the loan and management’s assessment of the borrower’s ability to perform according to the agreed-upon terms. Typically, at the time of an extension, borrowers are performing in accordance with contractual loan terms. Extension terms generally do not exceed 12 to 18 months and usually require that the borrower provide additional economic support in the form of partial repayment, additional collateral or guarantees. In cases where the fair value of the collateral or the financial resources of the borrower are deemed insufficient to repay the loan, reliance may be placed on the support of a guarantee, if applicable. However, such guarantees are never considered the sole source of repayment.

People’s United evaluates the financial condition of guarantors based on the most current financial information available. Most often, such information takes the form of (i) personal financial statements of net worth, cash flow statements and tax returns (for individual guarantors) and (ii) financial and operating statements, tax returns and financial projections (for legal entity guarantors). The Company’s evaluation is primarily focused on various key financial metrics, including net worth, leverage ratios and liquidity. It is the Company’s policy to update such information annually, or more frequently as warranted, over the life of the loan.

While People’s United does not specifically track the frequency with which it has pursued guarantor performance under a guarantee, the Company’s underwriting process, both at origination and upon extension, as applicable, includes an assessment of the guarantor’s reputation, creditworthiness and willingness to perform. Historically, when the Company has found it necessary to seek performance under a guarantee, it has been able to effectively mitigate its losses.

In considering the collectability of such loans, an evaluation is made of the collateral and future cash flow of the borrower as well as the anticipated support of any repayment guarantor. In the event that the guarantor is unwilling or unable to perform, a legal remedy is pursued. When performance under the loan terms is deemed to be uncertain, including performance of the guarantor, all or a portion of the loan may be charged-off, typically based on the fair value of the collateral securing the loan.

Allowance and Provision for Credit Losses on Loans

The ACL is established through provisions for credit losses on loans charged to income. Losses on loans are charged to the ACL when all or a portion of a loan is deemed to be uncollectible. Recoveries of loans previously charged off are credited to the ACL when realized.

Under the CECL standard, the Company determines the ACL on loans based upon a consideration of its historical portfolio loss experience, current borrower-specific risk characteristics, forecasts of future economic conditions and other relevant factors. The allowance is measured on a collective (pool) basis when similar risk characteristics exist. Loans that do not share common risk characteristics are evaluated on an individual basis and are excluded from the collective evaluation. At March 31, 2021 and December 31, 2020, the collective ACL totaled $374.8 million and $404.6 million, respectively, and the specific allocations of the ACL for loans evaluated on an individual basis totaled $24.3 million and $20.5 million, respectively.

The Company’s loan portfolio segments include Commercial and Retail and each of these segments comprises multiple loan classes, which are characterized by similarities in initial measurement, risk attributes, and the manner in which credit risk is monitored and assessed. The Commercial loan portfolio segment is comprised of the commercial real estate, commercial and industrial, equipment financing and mortgage warehouse/asset based lending (“MW/ABL”) loan classes. The Retail loan portfolio segment is comprised of the residential mortgage, home equity and other consumer loan classes. Common characteristics and risk profiles include the type/purpose of loan and historical/expected credit loss patterns. The Company periodically reassesses each pool to ensure the loans within the pool continue to share similar characteristics and risk profiles and to determine whether further segmentation is necessary.

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The ACL on loans represents management’s current estimate of lifetime expected credit losses inherent in the loan portfolio at the balance sheet date. As such, the estimate of expected credit losses is dependent upon portfolio size, composition and credit quality, as well as economic conditions and forecasts existing at that time. Expected future losses are estimated for the loan's entire contractual term adjusted for anticipated prepayments, as appropriate. The contractual term excludes expected extensions, renewals, and modifications unless (i) management has a reasonable expectation that a TDR will be executed with an individual borrower or (ii) such extension or renewal options are not unconditionally cancellable by the Company and, in such cases, the borrower is likely to meet applicable conditions and likely to request extension or renewal.

Credit loss expense related to loans reflects the totality of actions taken on all loans for a particular period including any necessary increases or decreases in the allowance related to changes in credit loss expectations associated with specific loans or pools of loans. Portions of the allowance may be allocated for specific credits; however, the entire allowance is available for any credit that, in management’s judgment, should be charged-off. While management utilizes its best judgment and information available, the ultimate appropriateness of the allowance is dependent upon a variety of factors beyond management's control, including the performance of the loan portfolio, changes in interest rates and the broader economy.

The ACL on loans is comprised of three components: (i) quantitative (formulaic) reserves; (ii) qualitative (judgmental) reserves; and (iii) individual loan reserves.

Quantitative Component

Management estimates the quantitative component by projecting (i) probability-of-default, representing the likelihood that a loan will stop performing/default (“PD”), (ii) loss-given-default, representing the expected loss rate for loans in default (“LGD”) and (iii) exposure-at-default (“EAD”), representing the estimated outstanding principal balance of the loans upon default, adjusted for anticipated prepayments, as appropriate, based on economic parameters for each month of a loan’s remaining contractual term. Expected credit losses for the quantitative component are calculated as the product of the PD, LGD and EAD.

Historical credit experience provides the basis for the estimation of expected credit losses, with adjustments made for differences in current loan-specific risk characteristics such as differences in underwriting standards, portfolio mix, delinquency levels and terms, as well as for changes in the economic environment over a reasonable and supportable forecast period. The Company utilizes a two-year reasonable and supportable forecast period followed by a one-year period over which estimated losses revert, on a straight-line basis, to average historical loss experience, determined over the historical observation period, for the remaining life of the loan.

PDs are estimated by analyzing internal data related to the historical performance of each loan pool over an economic cycle. PDs are adjusted to reflect the current impact of certain macroeconomic variables as well as their expected changes over the reasonable and supportable forecast period. The LGD is based on historical losses for each loan pool, adjusted to reflect the current impact of certain macroeconomic variables as well as their expected changes over a two-year forecast period. EAD is estimated using a linear regression model that estimates the average percentage of the loan balance that remains at the time of a default event. The macroeconomic variables utilized as inputs in the Company’s quantitative modeling process were selected primarily based on their relevance and correlation to historical credit losses. The Company’s quantitative models yield a measurement of expected credit losses reflective of average historical loss rates for periods subsequent to the reasonable and supportable forecast period by reverting such modeling inputs to their historical mean while also considering loan/borrower specific attributes. This same forecast/reversion period is used for all macroeconomic variables employed in all of the Company’s models.

The measurement of expected credit losses is impacted by loan/borrower attributes and certain macroeconomic variables derived from an externally-sourced forward-looking economic scenario. Significant loan/borrower attributes utilized in the Company’s quantitative modeling include, among other things: (i) origination date; (ii) maturity date; (iii) payment type;
(iv) collateral type and amount; (v) current risk rating (as applicable); (vi) current unpaid balance and commitment utilization rate; and (vii) payment status/delinquency history. Significant macroeconomic variables utilized in the Company’s quantitative modeling include, among other things: (i) U.S. GDP; (ii) selected market interest rates including U.S. Treasury rates, Prime rate, 30-year fixed mortgage rate, BBB corporate bond rate (spread), among others; (iii) unemployment rates; and
(iv) commercial and residential property prices. In establishing its estimate of expected credit losses, the Company typically employs three separate, externally-sourced forward-looking economic scenarios. Those scenarios, which range from more benign to more severe, represent a ‘most likely outcome’ (the “Baseline” scenario) and two less likely scenarios referred to as the “Upside” scenario and the “Downside” scenario.

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Qualitative Component

The ACL on loans also includes qualitative considerations related to idiosyncratic risk factors, changes in current economic conditions that may not be reflected in quantitatively-derived results, weightings to economic scenarios based on an assessment of the economic outlook and other relevant factors. These qualitative adjustments may increase or decrease management's estimate of expected credit losses by a calculated percentage or amount based upon the estimated level of risk.

The various risks that may be considered in making qualitative adjustments include, among other things, the impact of:
(i) changes in lending policies and procedures, including changes in underwriting standards and practices for collections,
write-offs, and recoveries; (ii) actual and expected changes in international, national, regional, and local economic and business conditions and developments that affect collectability of the loan pools; (iii) changes in the nature and volume of the loan pools and in the terms of the underlying loans; (iv) changes in the experience, ability, and depth of our lending management and staff; (v) changes in volume and severity of past due financial assets, the volume of non-accrual assets, and the volume and severity of adversely classified or graded assets; (vi) changes in the quality of our credit review function; (vii) changes in the value of the underlying collateral for loans that are non-collateral dependent; (viii) the existence, growth, and effect of any concentrations of credit; and (ix) other external factors such as the regulatory, legal and technological environments, competition and events, such as natural disasters or health pandemics.

The weighted estimate of expected credit losses under various economic scenarios is compared to the result of the Baseline scenario with the difference included as an element of the qualitative component. The Company recognizes an approach using three scenarios may be insufficient in certain economic environments. This may result in a change to the weighting assigned to the three scenarios or the inclusion of additional scenarios.

For instance, as a result of a deterioration in U.S. economic conditions caused by the emergence, in March 2020, of the COVID-19 pandemic, and the corresponding increase in economic uncertainty, a fourth forward-looking economic scenario (the “Severe Downside” scenario) has also been considered for purposes of estimating expected credit losses since that time. All four scenarios reflect the effects of the COVID-19 pandemic as well as the United States government’s monetary and fiscal response. Each scenario is assigned a weighting with the majority of the weighting placed on the Baseline scenario and lower weights placed on each of the Upside, Downside and Severe Downside scenarios. The weightings assigned by management are based on the economic outlook and available information at each reporting date.

While the Company’s loss estimation methodologies strive to reflect all relevant risk factors, uncertainty exists associated with, but not limited to, potential imprecision in the estimation process due to the inherent time lag of obtaining information and normal variations between estimates and actual outcomes, including with respect to forward-looking economic forecasts. The qualitative component is designed to adjust the ACL to reflect such risk factors.

Individual Component

In some cases, management may determine that an individual loan exhibits unique risk characteristics which differentiate that loan from other loans within the pool. In such cases, the loans are evaluated for expected credit losses on an individual basis and excluded from the collective evaluation. Specific allocations of the ACL are determined by analyzing the borrower’s ability to repay amounts owed, collateral deficiencies, the relative risk of the loan and economic conditions affecting the borrower’s industry, among other things. For collateral dependent loans, expected credit losses are based on the fair value of the collateral at the measurement date, adjusted for estimated selling costs if satisfaction of the loan depends on the sale of the collateral. The Company reevaluates the fair value of collateral supporting collateral dependent loans on a quarterly basis.

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Provision and Allowance for Credit Losses 

	Three Months Ended
(dollars in millions)	March 31, 2021			Dec. 31, 2020			March 31, 2020
ACL:
Balance at beginning of period	$	425.1		$	423.8		$	246.6
CECL transition adjustment	—			—			72.2
Balance at beginning of period, adjusted	425.1			423.8			318.8
Charge-offs	(17.8)			(16.7)			(12.6)
Recoveries	5.4			3.3			2.0
Net loan charge-offs	(12.4)			(13.4)			(10.6)
Provision for credit losses	(13.6)			14.7			33.5
Balance at end of period	$	399.1		$	425.1		$	341.7
ACL as a percentage of:
Total loans	0.93		%	0.97		%	0.77		%
Non-accrual loans	113.0			129.1			142.2

The provision for credit losses on loans totaled $(13.6) million for the three months ended March 31, 2021, reflecting $12.4 million in net loan charge-offs and a decrease in the ACL reflecting notable improvements in the economic outlook
(e.g. GDP and unemployment) largely attributable to continued COVID-19 vaccine distribution, an easing of social distancing restrictions and further government stimulus. Net loan charge-offs for the three months ended March 31, 2021 include two commercial real estate loans unrelated to COVID-19, one of which had a previously established specific reserve. The provision for credit losses on loans totaled $33.5 million in the year-ago period, reflecting $10.6 million in net loan charge-offs and a provision increase of $22.9 million resulting from the application of the CECL standard and the impact of COVID-19. Excluding PPP loans, the ACL as a percentage of total loans was 0.99% at March 31, 2021 and 1.02% at December 31, 2020.

Management believes that the level of the ACL at March 31, 2021 represents an appropriate estimate of lifetime expected credit losses.

Loan Charge-Offs

The Company’s charge-off policies, which comply with standards established by banking regulators, are consistently applied from period to period. Charge-offs are recorded on a monthly basis. Partially charged-off loans continue to be evaluated on a monthly basis and additional charge-offs or credit loss provisions may be recorded on the remaining loan balance based on the same criteria.

For unsecured consumer loans, charge-offs are generally recorded when the loan is deemed to be uncollectible or
120 days past due, whichever occurs first. For consumer loans secured by real estate, including residential mortgage loans, charge-offs are generally recorded when the loan is deemed to be uncollectible or 180 days past due, whichever occurs first, unless it can be clearly demonstrated that repayment will occur regardless of the delinquency status. Factors that demonstrate an ability to repay may include: (i) a loan that is secured by adequate collateral and is in the process of collection; (ii) a loan supported by a valid guarantee or insurance; or (iii) a loan supported by a valid claim against a solvent estate.

For commercial loans, a charge-off is recorded when the Company determines that it will not collect all amounts contractually due based on the fair value of the collateral less cost to sell.

The decision whether to charge-off all or a portion of a loan rather than to record a specific or general loss allowance is based on an assessment of all available information that aids in determining the loan’s net realizable value. Typically, this involves consideration of both (i) the fair value of any collateral securing the loan, including whether the estimate of fair value has been derived from an appraisal or other market information and (ii) other factors affecting the likelihood of repayment, including the existence of guarantees and insurance. If the amount by which the Company’s recorded investment in the loan exceeds its net realizable value is deemed to be a confirmed loss, a charge-off is recorded. Otherwise, a specific or general reserve is established, as applicable. The comparatively low level of net loan charge-offs in recent years, in terms of absolute dollars and as a percentage of average total loans, may not be sustainable in the future.

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Net Loan Charge-Offs (Recoveries)

	Three Months Ended
(in millions)	March 31, 2021		Dec. 31, 2020		March 31, 2020
Commercial:
Commercial real estate	$	5.8	$	0.1	$	3.4
Commercial and industrial	(0.1)		6.6		1.2
Equipment financing	7.2		6.8		3.9
MW/ABL	(0.4)		—		(0.2)
Total	12.5		13.5		8.3
Retail:
Residential mortgage	(0.3)		(0.3)		0.8
Home equity	(0.2)		—		0.1
Other consumer	0.4		0.2		1.4
Total	(0.1)		(0.1)		2.3
Total net loan charge-offs	$	12.4	$	13.4	$	10.6

Net Loan Charge-Offs (Recoveries) as a Percentage of Average Total Loans (Annualized) 

	Three Months Ended
	March 31, 2021		Dec. 31, 2020		March 31, 2020
Commercial:
Commercial real estate	0.18	%	—	%	0.09	%
Commercial and industrial	—		0.24		0.06
Equipment financing	0.59		0.57		0.32
MW/ABL	(0.05)		—		(0.04)
Retail:
Residential mortgage	(0.01)		(0.01)		0.03
Home equity	(0.04)		(0.02)		0.02
Other consumer	1.46		0.64		3.80
Total portfolio	0.12	%	0.12	%	0.10	%

Past Due and Non-Accrual Loans

Loans are considered past due if required principal and interest payments have not been received as of the date such payments were contractually due. A loan is generally considered “non-performing” when it is placed on non-accrual status. A loan is generally placed on non-accrual status when it becomes 90 days past due as to interest or principal payments. A loan may be placed on non-accrual status before it reaches 90 days past due if such loan has been identified as presenting uncertainty with respect to the collectability of interest and principal. A loan past due 90 days or more may remain on accruing status if such loan is both well secured and in the process of collection.

All previously accrued but unpaid interest on non-accrual loans is reversed from interest income in the period in which the accrual of interest is discontinued. Interest payments received on non-accrual loans are generally applied as a reduction of principal if future collections are doubtful, although such interest payments may be recognized as income. A loan remains on non-accrual status until the factors that indicated doubtful collectability no longer exist or until a loan is determined to be uncollectible and is charged-off against the ACL. There were no loans past due 90 days or more and still accruing interest at March 31, 2021 or December 31, 2020.

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Non-Performing Assets

(dollars in millions)	March 31, 2021			Dec. 31, 2020			Sept. 30, 2020			June 30, 2020			March 31, 2020
Non-accrual loans:
Commercial:
Commercial real estate	$	90.2		$	60.4		$	85.3		$	73.6		$	53.5
Commercial and industrial	68.2			75.4			85.7			87.8			54.5
Equipment financing	118.1			109.3			49.0			48.6			42.5
MW/ABL	1.0			1.0			1.0			1.0			1.1
Total Commercial	277.5			246.1			221.0			211.0			151.6
Retail:
Residential mortgage	56.9			62.3			62.9			62.6			66.6
Home equity	18.7			20.5			22.1			22.5			22.1
Other consumer	0.2			0.2			0.2			0.1			0.1
Total Retail	75.8			83.0			85.2			85.2			88.8
Total non-accrual loans (1)	353.3			329.1			306.2			296.2			240.4
REO:
Commercial	3.5			3.6			3.6			7.3			7.3
Residential	1.5			3.2			1.9			4.9			9.5
Total REO	5.0			6.8			5.5			12.2			16.8
Repossessed assets	5.4			5.7			9.7			6.2			4.6
Total non-performing assets	$	363.7		$	341.6		$	321.4		$	314.6		$	261.8
Non-accrual loans as a percentage of total loans	0.83		%	0.75		%	0.68		%	0.65		%	0.54		%
Non-performing assets as a percentage of:
Total loans, REO and repossessed assets	0.85			0.78			0.71			0.69			0.59
Tangible stockholders’ equity and ACL	7.05			6.59			6.41			6.39			5.45

(1)Reported net of government guarantees totaling: $2.5 million at March 31, 2021; $2.5 million at December 31, 2020; $2.4 million at September 30, 2020; $2.9 million at June 30, 2020; and $1.2 million at March 31, 2020. These government guarantees relate, almost entirely, to guarantees provided by the SBA as well as selected other Federal agencies and represent the carrying value of the loans that are covered by such guarantees, the extent of which (i.e. full or partial) varies by loan. At March 31, 2021, the principal loan classes to which these government guarantees relate are commercial and industrial loans (95%) and commercial real estate loans (5%).

Non-performing assets increased $22.1 million from December 31, 2020, reflecting increases of $29.8 million in
non-accrual commercial real estate loans (primarily due to three loans where the borrowers were negatively impacted by the COVID-19 pandemic) and $8.8 million in non-accrual equipment financing loans (primarily due to People’s Capital and Leasing Corp.’s motor coach portfolio, which has experienced a significant decline in business as a result of the COVID-19 pandemic), partially offset by decreases of $7.2 million in non-accrual commercial and industrial loans, $5.4 million in
non-accrual residential mortgage loans, $1.8 million in non-accrual home equity loans and $1.7 million in real estate owned (“REO”).

In addition to the non-accrual loans discussed above, People’s United has also identified $1.3 billion in potential problem loans at March 31, 2021. Potential problem loans represent loans that are currently performing, but for which known information about possible credit deterioration on the part of the related borrowers causes management to have concerns as to the ability of such borrowers to comply with contractual loan repayment terms and which may result in the disclosure of such loans as non-performing at some time in the future. The potential problem loans are generally loans that, although performing, have been classified as “substandard” in accordance with People’s United’s loan rating system, which is consistent with guidelines established by banking regulators.

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At March 31, 2021, potential problem loans consisted of commercial real estate loans ($530.0 million), commercial and industrial loans ($419.0 million), equipment financing loans ($348.0 million) and MW/ABL loans ($18.0 million). Such loans are closely monitored by management and have remained in performing status for a variety of reasons including, but not limited to, delinquency status, borrower payment history and fair value of the underlying collateral. Management cannot predict the extent to which economic conditions may worsen or whether other factors may adversely impact the ability of these borrowers to make payments. Accordingly, there can be no assurance that potential problem loans will not become 90 days or more past due, be placed on non-accrual status, be restructured, or require additional provisions for credit losses.

The levels of non-performing assets and potential problem loans are expected to fluctuate in response to changing economic and market conditions, and the relative sizes of the respective loan portfolios, along with management’s degree of success in resolving problem assets. While management takes a proactive approach with respect to the identification and resolution of problem loans, the level of non-performing assets may increase in the future.

Liquidity

Liquidity is defined as the ability to generate sufficient cash flows to meet all present and future funding requirements at reasonable costs. Liquidity management addresses both People’s United’s and the Bank’s ability to fund new loans and investments as opportunities arise, to meet customer deposit withdrawals and to repay borrowings and subordinated notes as they mature. People’s United’s, as well as the Bank’s, liquidity positions are monitored daily by management. The Asset and Liability Management Committee (“ALCO”) of the Bank has been authorized by the Board of Directors of People’s United to set guidelines to ensure maintenance of prudent levels of liquidity for People’s United as well as for the Bank. ALCO reports to the Treasury and Finance Committee of the Board of Directors of People’s United.

Asset liquidity is provided by: cash; short-term investments and securities purchased under agreements to resell; proceeds from maturities, principal repayments and sales of securities; and proceeds from scheduled principal collections, prepayments and sales of loans. In addition, certain securities may be used to collateralize borrowings under repurchase agreements. The Consolidated Statements of Cash Flows present data on cash provided by and used in People’s United’s operating, investing and financing activities. At March 31, 2021, People’s United (parent company) liquid assets included $237 million in cash and $2 million in equity securities, while the Bank’s liquid assets included $10.4 billion in debt securities available-for-sale and $5.2 billion in cash and cash equivalents. At March 31, 2021, debt securities available-for-sale with a fair value of $6.2 billion and debt securities held-to-maturity with an amortized cost of $2.1 billion were pledged as collateral for public deposits and for other purposes.

Liability liquidity is measured by both People’s United’s and the Bank’s ability to obtain deposits and borrowings at
cost-effective rates that are diversified with respect to markets and maturities. Deposits, which are considered the most stable source of liability liquidity, totaled $53.5 billion at March 31, 2021 and represented 85% of total funding (the sum of total deposits, total borrowings, notes and debentures, and stockholders’ equity). Borrowings are used to diversify People’s United’s funding mix and to support asset growth. Borrowings and notes and debentures totaled $1.2 billion and $1.0 billion, respectively, at March 31, 2021, both representing 2%, of total funding at that date.

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The Bank’s current available sources of borrowings include: federal funds purchased, advances from the Federal Home Loan Bank (the “FHLB”) of Boston and the Federal Reserve Bank of New York (the “FRB-NY”), and repurchase agreements. At March 31, 2021, the Bank’s total borrowing capacity from (i) the FHLB of Boston and the FRB-NY for advances and (ii) repurchase agreements was $16.3 billion based on the level of qualifying collateral available for these borrowings. In addition, the Bank had unsecured borrowing capacity of $1.0 billion at that date. FHLB advances are secured by the Bank’s investment in FHLB stock and by a security agreement that requires the Bank to maintain, as collateral, sufficient qualifying assets not otherwise pledged (principally single-family residential mortgage loans, home equity lines of credit and loans, and commercial real estate loans).

At March 31, 2021, the Bank had outstanding commitments to originate loans totaling $1.8 billion and approved, but unused, lines of credit extended to customers totaling $11.3 billion (including $2.8 billion of HELOCs).

The sources of liquidity discussed above are deemed by management to be sufficient to fund outstanding loan commitments and to meet both People’s United’s and the Bank’s other obligations.

Stockholders' Equity and Dividends

People’s United’s total stockholders’ equity was $7.59 billion at March 31, 2021, a $10.6 million decrease from December 31, 2020. This decrease primarily reflects: (i) a $106.1 million decrease in accumulated other comprehensive loss (“AOCL”) since December 31, 2020 and (ii) common and preferred dividends paid totaling $79.2 million in the three months ended March 31, 2021; partially offset by net income of $144.5 million for the three months ended March 31, 2021. The decrease in AOCL, net of tax, primarily reflects a $109.8 million decrease in the unrealized gain on debt securities
available-for-sale. As a percentage of total assets, stockholders’ equity was 11.8% and 12.1% at March 31, 2021 and December 31, 2020, respectively. Tangible common equity equaled 7.4% of tangible assets at March 31, 2021 compared to 7.5% at December 31, 2020.

In April 2021, People’s United’s Board of Directors voted to increase the dividend on its common stock to an annual rate of $0.73 per common share. The quarterly dividend of $0.1825 per common share is payable on May 15, 2021 to shareholders of record on May 3, 2021. Also in April 2021, People’s United’s Board of Directors declared a dividend on its preferred stock, payable on June 15, 2021 to preferred shareholders of record as of June 1, 2021.

In June 2019, the Company’s Board of Directors authorized the repurchase of up to 20.0 million shares of People’s United’s common stock. Such shares may be repurchased, either directly or through agents, in the open market at prices and terms satisfactory to management. In March 2020, People’s United completed this repurchase authorization (see above). Shares acquired in this manner have not been retired by the Company and, as a result, remain available for issuance in the future.

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Regulatory Capital Requirements

Both People’s United and the Bank are subject to capital rules (the “Basel III capital rules”) issued by U.S. banking agencies. The Basel III capital rules require U.S. financial institutions to maintain: (i) a minimum ratio of CET 1 capital to total risk-weighted assets of at least 4.5%, plus a 2.5% “capital conservation buffer” (which is added to the 4.5% CET 1 risk-based capital ratio, effectively resulting in a minimum CET 1 risk-based capital ratio of 7.0%); (ii) a minimum ratio of Tier 1 capital to total risk-weighted assets of at least 6.0%, plus the capital conservation buffer (which is added to the 6.0% Tier 1 risk-based capital ratio, effectively resulting in a minimum Tier 1 risk-based capital ratio of 8.5%); (iii) a minimum ratio of Total (that is, Tier 1 plus Tier 2) capital to total risk-weighted assets of at least 8.0%, plus the capital conservation buffer (which is added to the 8.0% Total risk-based capital ratio, effectively resulting in a minimum Total risk-based capital ratio of 10.5%); and (iv) a minimum Tier 1 Leverage capital ratio of at least 4.0%, calculated as the ratio of Tier 1 capital to average total assets, as defined.

In order to avoid limitations on distributions, including dividend payments, and certain discretionary bonus payments, a financial institution must hold a capital conservation buffer of 2.50% above its minimum risk-based capital requirements.

For regulatory capital purposes, subordinated note issuances qualify, up to certain limits, as Tier 2 capital for Total
risk-based capital. In accordance with regulatory capital rules, the eligible amount of the Bank’s $400 million subordinated notes due 2024 and People's United's $75 million subordinated notes due 2024 included in Tier 2 capital will both be reduced each year until the year of final maturity by 20%, or $80 million and $15 million, respectively.

In December 2018, the Federal banking agencies approved a final rule allowing an option to phase-in, over three years, the day one regulatory capital effects of the CECL standard. In March 2020, the Federal banking agencies issued an interim final rule providing an alternative option to delay, for two years, an estimate of the CECL standard’s effect on regulatory capital (relative to incurred loss methodology's effect on regulatory capital), followed by a three-year transition period. The Company has elected the alternative option provided in the March 2020 interim final rule.

The following is a summary of People’s United’s and the Bank’s regulatory capital amounts and ratios under the Basel III capital rules. The minimum capital required amounts are based on the capital conservation buffer of the Basel III capital rules. In connection with the adoption of the Basel III capital rules, both the Company and the Bank elected to opt-out of the requirement to include most components of AOCL in CET 1 capital. At March 31, 2021, People’s United’s and the Bank’s total risk-weighted assets, as defined, were both $43.8 billion, compared to $45.1 billion and $45.0 billion at December 31, 2020, respectively. For regulatory capital purposes, PPP loans are assigned a zero risk-weighting as a result of the related SBA guarantee on such loans.

					Minimum Capital Required				Classification as Well-Capitalized
	At March 31, 2021
(dollars in millions)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Tier 1 Leverage Capital (1):
People’s United	$	5,068.0	8.3	%	$	2,456.3	4.0	%	N/A		N/A
Bank	5,335.6		8.7		2,455.6		4.0		$	3,069.4	5.0	%
CET 1 Risk-Based Capital (2):
People’s United	4,823.9		11.0		3,068.3		7.0		N/A		N/A
Bank	5,335.6		12.2		3,066.8		7.0		2,847.8		6.5
Tier 1 Risk-Based Capital (3):
People’s United	5,068.0		11.6		3,725.8		8.5		2,630.0		6.0
Bank	5,335.6		12.2		3,724.0		8.5		3,505.0		8.0
Total Risk-Based Capital (4):
People’s United	5,670.7		12.9		4,602.4		10.5		4,383.3		10.0
Bank	5,893.3		13.5		4,600.3		10.5		4,381.2		10.0

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					Minimum Capital Required				Classification as
	At December 31, 2020								Well-Capitalized
(dollars in millions)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Tier 1 Leverage Capital (1):
People's United	$	4,967.8	8.3	%	$	2,388.4	4.0	%	N/A		N/A
Bank	5,168.4		8.7		2,387.9		4.0		$	2,984.8	5.0	%
CET 1 Risk-Based Capital (2):
People's United	4,723.7		10.5		3,155.3		7.0		N/A		N/A
Bank	5,168.4		11.5		3,151.1		4.0		2,926.0		6.5
Tier 1 Risk-Based Capital (3):
People's United	4,967.8		11.0		3,831.4		8.5		2,704.5		6.0
Bank	5,168.4		11.5		3,826.3		8.5		3,601.3		8.0
Total Risk-Based Capital (4):
People's United	5,589.5		12.4		4,732.9		10.5		4,507.5		10.0
Bank	5,745.1		12.8		4,726.7		10.5		4,501.6		10.0

(1)Tier 1 Leverage Capital ratio represents CET 1 Capital plus Additional Tier 1 Capital instruments (together, “Tier 1 Capital”) divided by Average Total Assets (less goodwill, other acquisition-related intangibles and other deductions from CET 1 Capital). Average PPP loans are included in Average Total Assets.

(2)CET 1 Risk-Based Capital ratio represents equity capital, as defined, less: (i) after-tax net unrealized gains (losses) on certain securities classified as available-for-sale; (ii) after-tax net unrealized gains (losses) on securities transferred to held-to-maturity; (iii) goodwill and other acquisition-related intangible assets; and (iv) the amount recorded in AOCL relating to pension and other postretirement benefits divided by Total Risk-Weighted Assets.

(3)Tier 1 Risk-Based Capital ratio represents Tier 1 Capital divided by Total Risk-Weighted Assets.

(4)Total Risk-Based Capital ratio represents Tier 1 Capital plus subordinated notes and debentures, up to certain limits, and the ACL, up to 1.25% of Total Risk-Weighted Assets, divided by Total Risk-Weighted Assets.

Market Risk Management

Market risk represents the risk of loss to earnings, capital and the economic values of certain assets and liabilities resulting from changes in interest rates, equity prices and foreign currency exchange rates. The only significant market risk exposure for People’s United at this time is IRR, which is a result of the Company’s core business activities of making loans and accepting deposits.

Interest Rate Risk

The effective management of IRR is essential to achieving the Company’s financial objectives. Responsibility for overseeing management of IRR resides with ALCO. The goal of ALCO is to generate a stable net interest margin over entire interest rate cycles regardless of changes in either short- or long-term interest rates. Generating earnings by taking excessive IRR is prohibited by the IRR limits established by the Company’s Board of Directors. ALCO manages IRR by using two primary risk measurement techniques: simulation of net interest income and simulation of economic value of equity. These two measurements are complementary and provide both short-term and long-term risk profiles of the Company.

Net Interest Income at Risk Simulation is used to measure the sensitivity of net interest income to changes in market rates over a period of time, such as 12 or 24 months. This simulation captures underlying product behaviors, such as asset and liability repricing dates, balloon dates, interest rate indices and spreads, rate caps and floors, as well as other behavioral attributes. The simulation of net interest income also requires a number of key assumptions such as: (i) future balance sheet volume and mix assumptions that are management judgments based on estimates and historical experience; (ii) prepayment projections for loans and securities that are projected under each interest rate scenario using internal and external analytics; (iii) new business loan spreads that are based on recent new business origination experience; and (iv) deposit pricing assumptions that are based on historical experience and management judgment. Combined, these assumptions can be inherently uncertain, and as a result, actual results may differ from simulation forecasts due to the timing, magnitude and frequency of interest rate changes, future business conditions, as well as unanticipated changes in management strategies.

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The Company uses two sets of standard scenarios to measure net interest income at risk. Parallel shock scenarios assume instantaneous parallel movements in the yield curve compared to a flat yield curve scenario. Yield curve twist scenarios assume the shape of the curve flattens or steepens instantaneously centered on the 18-month point of the curve, thereby segmenting the yield curve into a “short-end” and a “long-end”.

The following tables set forth the estimated percent change in the Company’s net interest income at risk over one-year simulation periods beginning March 31, 2021 and December 31, 2020.

	Estimated Percent Change in Net Interest Income
Parallel Shock Rate Change (basis points)
	March 31, 2021		December 31, 2020
+300	21.1	%	22.6	%
+200	15.1		16.0
+100	7.7		8.2
-25	1.7		(1.7)

	Estimated Percent Change in Net Interest Income
Yield Curve Twist Rate Change (basis points)
	March 31, 2021		December 31, 2020
Short End -25	0.9	%	(1.0)	%
Short End +100	5.4		6.1
Long End -25	0.7		(0.7)
Long End +100	2.6		2.4

The net interest income at risk simulation results indicate that at both March 31, 2021 and December 31, 2020, the Company is asset sensitive over the twelve-month forecast horizon (i.e. net interest income will increase if market rates rise). The asset sensitive position at March 31, 2021 primarily reflects: (i) 100% of the Company’s loan portfolio being funded by less rate-sensitive core deposits; (ii) approximately 46% of the Company’s loan portfolio being comprised of Prime Rate and one-month LIBOR-based floating-rate loans; and (iii) the repricing of variable-rate loans, the origination of fixed-rate loans as well as the purchase and reinvestment of securities all over the twelve-month forecast horizon.

The slight decrease in the Company’s asset sensitivity since December 31, 2020 is primarily due to: (i) security purchases; (ii) slower modeled mortgage-backed security and residential mortgage loan prepayment speeds as a result of higher long-end interest rates; and (iii) additional fixed-rate PPP loans; partially offset by a decline in residential mortgage loans and higher liquid deposits resulting from governmental stimulus program and reduced consumer spending. Based on the Company’s IRR position at March 31, 2021, an immediate 100 basis point parallel increase in interest rates translates to an approximate $117 million increase in net interest income on an annualized basis.

Economic Value of Equity at Risk Simulation is conducted in tandem with net interest income simulations, to ascertain a longer term view of the Company’s IRR position by capturing longer-term re-pricing risk and options risk embedded in the balance sheet. It measures the sensitivity of economic value of equity to changes in interest rates. Economic value of equity at risk simulation values only the current balance sheet and does not incorporate the growth assumptions used for income simulations. As with net interest income modeling, this simulation captures product characteristics such as loan resets, repricing terms, maturity dates, rate caps and floors. Key assumptions include loan prepayment speeds, deposit pricing elasticity and
non-maturity deposit attrition rates. These assumptions can have significant impacts on valuation results as the assumptions remain in effect for the entire life of each asset and liability. The Company conducts core deposit behavior studies on a periodic basis to support deposit assumptions used in the valuation process. All key assumptions are subject to periodic review.

Base case economic value of equity at risk is calculated by estimating the net present value of all future cash flows from existing assets and liabilities using current interest rates. The current spot interest rate curve is shocked up and down to generate new interest rate curves for parallel rate shock scenarios. These new curves are then used to recalculate economic value of equity at risk for these rate shock scenarios.

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The following table sets forth the estimated percent change in the Company’s economic value of equity at risk, assuming various instantaneous parallel shocks in interest rates.

	Estimated Percent Change in Economic Value of Equity
Parallel Shock Rate Change (basis points)
	March 31, 2021		December 31, 2020
+300	1.6	%	11.6	%
+200	5.5		13.7
+100	5.5		10.3
-25	2.4		(3.9)

The Company’s economic value of equity at risk profile indicates that at March 31, 2021, the Company’s economic value of equity is asset sensitive. The decrease in asset sensitivity since December 31, 2020 primarily reflects: (i) security purchases; and (ii) an increase in the duration of both mortgage-backed securities and residential mortgage loans and a decrease in the modeled weighted average life of non-maturity deposits resulting from higher long-end interest rates; partially offset by a decrease in residential mortgage loans and an increase in liquid deposits.

People’s United’s IRR position at March 31, 2021, as set forth in the net interest income at risk and economic value of equity at risk tables above, reflects an asset sensitive net interest income at risk position and an asset sensitive economic value of equity at risk position. From a net interest income perspective, asset sensitivity over the next 12 months is primarily attributable to the effect of the substantial Prime and LIBOR-based loan balances and the funding of all loans primarily by less rate-sensitive deposits. From an economic value of equity perspective, in a rising rate environment, the Company’s assets are less price sensitive than its liabilities due to shorter asset duration; and the optionality embedded in mortgage related assets and non-maturity deposits at various interest rate levels which serve to create an asset sensitive risk position. Asset sensitivity declines with progressively larger interest rate shocks as mortgage-backed securities and residential mortgage loans extend in duration and, conversely, non-maturity deposit duration shortens. Given the uncertainty of the magnitude, timing and direction of future interest rate movements and the shape of the yield curve, actual results may vary from those predicted by the Company’s models.

Management has established procedures to be followed in the event of an anticipated or actual breach in policy limits. As of March 31, 2021, there were no breaches of the Company’s internal policy limits with respect to either IRR measure. Management utilizes both interest rate measures in the normal course of measuring and managing IRR and believes that each measure is valuable in understanding the Company’s IRR position.

People’s United uses derivative financial instruments, including interest rate swaps, as components of its market risk management (principally to manage IRR). Certain other derivatives are entered into in connection with transactions with commercial customers. Derivatives are not used for speculative purposes. At March 31, 2021, People’s United used interest rate swaps to manage IRR associated with certain interest-bearing assets and interest-bearing liabilities.

The Bank has entered into a pay floating/receive fixed interest rate swap to hedge the change in fair value due to changes in interest rates of the Bank’s $400 million subordinated notes. The Bank has agreed with the swap counterparty to exchange, at specified intervals, the difference between fixed-rate and floating-rate interest amounts calculated based on a notional amount of $375 million. The fixed-rate interest payments received on the swap will essentially offset the fixed-rate interest payments made on these notes, notwithstanding the notional difference between these notes and the swap. The floating-rate interest amounts paid under the swap are calculated based on three-month LIBOR plus 126.5 basis points. The swap effectively converts the fixed-rate subordinated notes to a floating-rate liability. This swap is accounted for as a fair value hedge.

The Bank has entered into two-year and three-year pay fixed/receive floating interest rate swaps to reduce its interest rate exposure by hedging the variability in interest cash flows on certain rolling three-month funding liabilities which may consist of FHLB advances. The Bank has agreed with the swap counterparty to exchange, at specified intervals, the difference between fixed-rate and floating-rate interest amounts calculated based on an aggregate notional amount of $550 million. The interest rate swaps effectively convert a short-term benchmark interest rate (LIBOR) into a fixed-rate. These swaps are accounted for as cash flow hedges.

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People’s United has written guidelines that have been approved by its Board of Directors and ALCO governing the use of derivative financial instruments, including approved counterparties and credit limits. Credit risk associated with these instruments is controlled and monitored through policies and procedures governing collateral management and credit approval.

By using derivatives, People’s United is exposed to credit risk to the extent that counterparties to the derivative contracts do not perform as required. Should a counterparty fail to perform under the terms of a derivative contract, the Company’s counterparty credit risk is equal to the amount reported as a derivative asset in the Consolidated Statements of Condition. In accordance with the Company’s balance sheet offsetting policy (see Note 14 to the Consolidated Financial Statements), amounts reported as derivative assets represent derivative contracts in a gain position, without consideration for derivative contracts in a loss position with the same counterparty (to the extent subject to master netting arrangements) and posted collateral. People’s United seeks to minimize counterparty credit risk through credit approvals, limits, monitoring procedures, execution of master netting arrangements and obtaining collateral, where appropriate. Counterparties to People’s United’s derivatives include major financial institutions and exchanges that undergo comprehensive and periodic internal credit analysis as well as maintain investment grade credit ratings from the major credit rating agencies. As such, management believes the risk of incurring credit losses on derivative contracts with those counterparties is remote and losses, if any, would be immaterial.

Certain of People’s United’s derivative contracts contain provisions establishing collateral requirements (subject to minimum collateral posting thresholds) based on the Company’s external credit rating. If the Company’s senior unsecured debt rating were to fall below the level generally recognized as investment grade, the counterparties to such derivative contracts could require additional collateral on those derivative transactions in a net liability position (after considering the effect of master netting arrangements and posted collateral). The aggregate fair value of derivative instruments with such credit-related

contingent features that were in a net liability position at March 31, 2021 was $1.0 million, for which People’s United had

posted no collateral in the normal course of business. If the Company’s senior unsecured debt rating had fallen below

investment grade as of that date, $1.0 million in additional collateral would have been required.

Foreign Currency Risk

Foreign exchange contracts are commitments to buy or sell foreign currency on a future date at a contractual price. People’s United uses these instruments on a limited basis to (i) eliminate its exposure to fluctuations in currency exchange rates on certain of its commercial loans that are denominated in foreign currencies and (ii) provide foreign exchange contracts on behalf of commercial customers within credit exposure limits. Gains and losses on foreign exchange contracts substantially offset the translation gains and losses on the related loans.

Derivative Financial Instruments

The following table summarizes certain information concerning derivative financial instruments utilized by People’s United in its management of IRR and foreign currency risk: 

	Interest Rate Swaps				Foreign Exchange Contracts
As of March 31, 2021 (dollars in millions)	Fair Value Hedge		Cash Flow Hedge
Notional principal amounts	$	375.0	$	550.0	$	323.9
Weighted average interest rates:
Pay floating (receive fixed)	Libor + 1.265% (4.00%)		N/A		N/A
Pay fixed (receive floating)	N/A		0.53%(0.20%)		N/A
Weighted average remaining term to maturity (in months)	40		17		1
Fair value:
Recognized as an asset	$	—	$	—	$	13.0
Recognized as a liability	—		—		5.5

People’s United enters into interest rate swaps and caps with certain of its commercial customers. In order to minimize its risk, these customer interest rate swaps (pay floating/receive fixed) and caps have been offset with essentially matching interest rate swaps (pay fixed/receive floating) and caps with People’s United’s institutional counterparties. Hedge accounting has not been applied for these derivatives. Accordingly, changes in the fair value of all such interest rate swaps and caps are recognized in current earnings.

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The following table summarizes certain information concerning these interest rate swaps and caps:

	Interest Rate Swaps				Interest Rate Caps
As of March 31, 2021 (dollars in millions)	Commercial Customers		Institutional Counterparties		Commercial Customers			Institutional Counterparties
Notional principal amounts	$	8,828.2	$	8,830.4	$	184.8		$	184.8
Weighted average interest rates:
Pay floating (receive fixed)	0.36%(2.36%)		—		N/A			N/A
Pay fixed (receive floating)	—		2.23%(0.36%)		N/A			N/A
Weighted average strike rate	N/A		N/A		3.37		%	3.37		%
Weighted average remaining term to maturity (in months)	75		75		19			19
Fair value:
Recognized as an asset	$	457.5	$	21.6	$	2.2		$	0.1
Recognized as a liability	23.6		99.3		0.1			2.2

See Notes 13 and 14 to the Consolidated Financial Statements for further information relating to derivatives.

Item 3 – Quantitative and Qualitative Disclosures About Market Risk

The information required by this item appears on pages 83 through 87 of this report.

Item 4 – Controls and Procedures

People’s United’s management, including the Chief Executive Officer and the Chief Financial Officer, has evaluated the effectiveness of People’s United’s disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) as of the end of the period covered by this report. Based upon that evaluation, the Chief Executive Officer and the Chief Financial Officer concluded that People’s United’s disclosure controls and procedures are effective, as of
March 31, 2021, to ensure that information relating to People’s United, which is required to be disclosed in the reports People’s United files with the SEC under the Exchange Act, is (i) recorded, processed, summarized and reported as and when required and (ii) accumulated and communicated to management, including the principal executive officer and the principal financial officer, as appropriate to allow timely decisions regarding required disclosures.

During the quarter ended March 31, 2021, there has not been any change in People’s United’s internal control over financial reporting that has materially affected, or are reasonably likely to materially affect, People’s United’s internal control over financial reporting.

Part II – Other Information

Item 1 – Legal Proceedings

In the normal course of business, People’s United is subject to various legal proceedings. Management has discussed with legal counsel the nature of these legal proceedings and, based on the advice of counsel and the information currently available, believes that the eventual outcome of these legal proceedings will not have a material adverse effect on its financial condition, results of operations or liquidity.

Item 1A – Risk Factors

There have been no material changes in risk factors since December 31, 2020.

88

Item 2 – Unregistered Sales of Equity Securities and Use of Proceeds

(c) The following table provides information with respect to purchases made by People’s United of its common stock during the three months ended March 31, 2021:

Issuer Purchases of Equity Securities

Period	Total number of shares purchased	Average price paid per share			Total number of shares purchased as part of publicly announced plans or programs	Maximum number of shares that may yet be purchased under the plans or programs
January 1 - 31, 2021
Tendered by employees (1)	25,320	$	14.27		—	—
February 1 - 28, 2021
Tendered by employees (1)	152,912	$	14.59		—	—
March 1 - 31, 2021
Tendered by employees (1)	306,658	$	18.24	1	—	—
Total:
Tendered by employees (1)	484,890	$	16.88		—	—

(1)All shares listed were tendered by employees of People’s United in satisfaction of their related minimum tax withholding obligations upon the vesting of restricted stock awards granted in prior periods and/or in payment of the exercise price and satisfaction of their related minimum tax withholding obligations upon the exercise of stock options granted in prior periods. The average price paid per share is equal to the average of the high and low trading price of People’s United’s common stock on The NASDAQ Global Select Market on the vesting or exercise date or, if no trades took place on that date, the most recent day for which trading data was available. There is no limit on the number of shares that may be tendered by employees of People’s United in the future for these purposes. Shares acquired in payment of the option exercise price or in satisfaction of minimum tax withholding obligations are not eligible for reissuance in connection with any subsequent grants made pursuant to equity compensation plans maintained by People’s United. All shares acquired in this manner are retired by People’s United, resuming the status of authorized but unissued shares of People’s United’s common stock.

Item 3 – Defaults Upon Senior Securities

None.

Item 4 – Mine Safety Disclosures

None.

Item 5 – Other Information

None.

89

Item 6 – Exhibits

The following Exhibits are filed herewith: 

Designation	Description
31.1	Rule 13a-14(a)/15d-14(a) Certifications
31.2	Rule 13a-14(a)/15d-14(a) Certifications
32	Section 1350 Certifications
101.1	The following financial information from People’s United Financial, Inc.’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2021 formatted in Inline XBRL: (i) Consolidated Statements of Condition as of March 31, 2021 and December 31, 2020; (ii) Consolidated Statements of Income for the three months ended March 31, 2021 and 2020; (iii) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2021 and 2020; (iv) Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2021 and 2020; (v) Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020; and (vi) Notes to Consolidated Financial Statements.

90

INDEX TO EXHIBITS

Designation	Description
31.1	Rule 13a-14(a)/15d-14(a) Certifications
31.2	Rule 13a-14(a)/15d-14(a) Certifications
32	Section 1350 Certifications
101.1	The following financial information from People’s United Financial, Inc.’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2021 formatted in Inline XBRL: (i) Consolidated Statements of Condition as of March 31, 2021 and December 31, 2020; (ii) Consolidated Statements of Income for the three months ended March 31, 2021 and 2020; (iii) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2021 and 2020; (iv) Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2021 and 2020; (v) Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020; and (vi) Notes to Consolidated Financial Statements.

91

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, People’s United Financial, Inc. has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	PEOPLE’S UNITED FINANCIAL, INC.
Date: May 7, 2021	By:	/s/ John P. Barnes
		John P. Barnes
		Chairman and Chief Executive Officer
		(Principal Executive Officer)
Date: May 7, 2021	By:	/s/ R. David Rosato
		R. David Rosato
		Senior Executive Vice President and
		Chief Financial Officer
		(Principal Financial Officer)
Date: May 7, 2021	By:	/s/ Jeffrey Hoyt
		Jeffrey Hoyt
		Senior Vice President and
		Chief Accounting Officer
		(Principal Accounting Officer)

92

EX-31.1

Exhibit 31.1

Rule 13a-14(a)/15d-14(a) Certifications

CERTIFICATIONS

I, John P. Barnes, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of People’s United Financial, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 7, 2021	/s/ John P. Barnes
	John P. Barnes
	Principal Executive Officer

EX-31.2

Exhibit 31.2

Rule 13a-14(a)/15d-14(a) Certifications

CERTIFICATIONS

I, R. David Rosato, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of People’s United Financial, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 7, 2021	/s/ R. David Rosato
	R. David Rosato
	Principal Financial Officer

EX-32

Exhibit 32

Section 1350 Certifications

Executive Certifications

pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, Chapter 63 of title 18, United States Code), each of the undersigned officers of People’s United Financial, Inc. (the “Company”), a Delaware corporation, does hereby certify, to the best of such officer’s knowledge, that:

1.The Company’s Quarterly Report on Form 10-Q for the period ended March 31, 2021 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934.

2.Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of and for the period ended March 31, 2021.

This Certification is made effective as of the date the Report is filed with the Securities and Exchange Commission.

Date: May 7, 2021	/s/ John P. Barnes
	John P. Barnes
	Principal Executive Officer

Date: May 7, 2021	/s/ R. David Rosato
	R. David Rosato
	Principal Financial Officer

The foregoing certification is being furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and is not being filed as part of the Report or as a separate disclosure document.

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2021	Apr. 30, 2021
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	001-33326
Entity Registrant Name	People's United Financial, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-8447891
Entity Address, Address Line One	850 Main Street
Entity Address, City or Town	Bridgeport
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06604
City Area Code	(203)
Local Phone Number	338-7171
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		427,629,568
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001378946
Current Fiscal Year End Date	--12-31
Common Stock, $0.01 par value per share
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	PBCT
Security Exchange Name	NASDAQ
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series A, $0.01 par value per share
Entity Information [Line Items]
Title of 12(b) Security	Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series A, $0.01 par value per share
Trading Symbol	PBCTP
Security Exchange Name	NASDAQ

XML

Consolidated Statements of Condition - (Unaudited) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 464.2	$ 477.3
Short-term investments	4,992.1	3,766.0
Total cash and cash equivalents (note 2)	5,456.3	4,243.3
Securities (note 2):
Debt securities available-for-sale, at fair value	6,160.6	4,925.5
Debt securities held-to-maturity, at amortized cost and net of allowance for credit losses of $1.6 million at both dates (fair value of $4.24 billion and $4.27 billion)	4,016.8	3,993.8
Federal Reserve Bank and Federal Home Loan Bank stock, at cost	266.2	266.6
Equity securities, at fair value	1.5	5.3
Total securities	10,445.1	9,191.2
Loans held-for-sale	10.1	26.5
Loans (notes 3, 4 and 5):
Loans	42,769.7	43,869.5
Less allowance for credit losses on loans	(399.1)	(425.1)
Total loans, net	42,370.6	43,444.4
Goodwill (note 8)	2,680.8	2,680.8
Bank-owned life insurance	713.1	711.6
Premises and equipment, net	269.5	276.7
Other acquisition-related intangible assets (note 8)	153.8	165.1
Other assets (notes 1, 3, 5 and 13)	2,073.2	2,352.2
Total assets	64,172.5	63,091.8
Deposits:
Non-interest-bearing	16,266.5	15,881.7
Savings	6,517.7	6,029.7
Interest-bearing checking and money market	25,782.8	24,567.5
Time	4,908.3	5,658.8
Total deposits	53,475.3	52,137.7
Borrowings:
Federal Home Loan Bank advances	569.7	569.7
Customer repurchase agreements	436.2	452.9
Federal funds purchased	150.0	125.0
Total borrowings	1,155.9	1,147.6
Notes and debentures	1,003.3	1,009.6
Other liabilities (notes 1, 4, 5 and 13)	945.8	1,194.1
Total liabilities	56,580.3	55,489.0
Commitments and contingencies (notes 1, 5 and 10)
Stockholders’ Equity (notes 1, 6 and 9)
Preferred stock ($0.01 par value; 50.0 million shares authorized; 10.0 million shares issued and outstanding at both dates)	244.1	244.1
Common stock ($0.01 par value; 1.95 billion shares authorized; 536.2 million shares and 533.7 million shares issued)	5.4	5.3
Additional paid-in capital	7,693.9	7,663.6
Retained earnings	1,426.9	1,363.6
Unallocated common stock of Employee Stock Ownership Plan, at cost (5.5 million shares and 5.6 million shares)	(113.8)	(115.6)
Accumulated other comprehensive loss	(195.3)	(89.2)
Treasury stock, at cost (109.0 million shares at both dates)	(1,469.0)	(1,469.0)
Total stockholders’ equity	7,592.2	7,602.8
Total liabilities and stockholders’ equity	64,172.5	63,091.8
Commercial
Loans (notes 3, 4 and 5):
Loans	32,735.5	33,249.2
Less allowance for credit losses on loans	(251.0)	(303.6)
Retail
Loans (notes 3, 4 and 5):
Loans	10,034.2	10,620.3
Less allowance for credit losses on loans	(148.1)	(121.5)
Commercial real estate | Commercial
Loans (notes 3, 4 and 5):
Loans	13,520.1	13,336.9
Commercial and industrial | Commercial
Loans (notes 3, 4 and 5):
Loans	14,288.2	14,982.3
Equipment financing | Commercial
Loans (notes 3, 4 and 5):
Loans	4,927.2	4,930.0
Residential mortgage | Retail
Loans (notes 3, 4 and 5):
Loans	8,067.2	8,518.9
Home equity and other consumer | Retail
Loans (notes 3, 4 and 5):
Loans	$ 1,967.0	$ 2,101.4

XML

Consolidated Statements of Condition - (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Debt securities, allowance for credit loss	$ 1.6	$ 1.6
Securities held to maturity, at fair value	$ 4,235.5	$ 4,267.0
Preferred stock, par value (USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000,000.0	50,000,000.0
Preferred stock, shares issued (in shares)	10,000,000.0	10,000,000.0
Preferred stock, shares outstanding (in shares)	10,000,000.0	10,000,000.0
Common stock, par value (USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,950,000,000	1,950,000,000
Common stock, shares issued (in shares)	536,200,000	533,700,000
Unallocated common stock of Employee Stock Ownership Plan (in shares)	5,488,127	5,600,000
Treasury stock (in shares)	109,000,000.0	109,000,000.0

XML

Consolidated Statements of Income - (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest and dividend income:
Commercial and industrial	$ 116.1	$ 106.4
Commercial real estate	98.8	149.6
Equipment financing	62.8	68.2
Residential mortgage	69.9	90.4
Home equity and other consumer	16.5	28.0
Total interest on loans	364.1	442.6
Securities	51.4	51.2
Short-term investments	1.2	2.0
Loans held-for-sale	0.3	3.3
Total interest and dividend income	417.0	499.1
Interest expense:
Deposits	22.7	78.9
Borrowings	1.2	15.4
Notes and debentures	7.2	8.8
Total interest expense	31.1	103.1
Net interest income	385.9	396.0
Provision for credit losses on loans (note 4)	(13.6)	33.5
Net interest income after provision for credit losses	399.5	362.5
Non-interest income:
Commercial banking lending fees	13.6	12.1
Operating leases	11.3	12.6
Cash management fees	9.2	7.4
Other non-interest income (note 2)	17.1	45.6
Total non-interest income	94.6	123.8
Non-interest expense:
Compensation and benefits	172.8	173.9
Occupancy and equipment	49.1	51.0
Professional and outside services	33.6	38.5
Amortization of other acquisition-related intangible assets (note 8)	11.0	10.7
Regulatory assessments	8.1	8.7
Operating lease expense	7.8	9.8
Other non-interest expense	29.5	27.5
Total non-interest expense	311.9	320.1
Income before income tax expense	182.2	166.2
Income tax expense (note 1)	37.7	35.8
Net income	144.5	130.4
Preferred stock dividend	3.5	3.5
Net income available to common shareholders	$ 141.0	$ 126.9
Earnings per common share (note 7):
Basic (USD per share)	$ 0.34	$ 0.30
Diluted (USD per share)	$ 0.33	$ 0.30
Bank service charges
Non-interest income:
Fees	$ 23.5	$ 28.0
Investment management fees
Non-interest income:
Fees	$ 19.9	$ 18.1

XML

Consolidated Statements of Comprehensive Income - (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 144.5	$ 130.4
Other comprehensive (loss) income, net of tax:
Net actuarial gains and losses related to pension and other postretirement plans	0.4	1.6
Net unrealized gains and losses on debt securities available-for-sale	(108.5)	71.6
Amortization of unrealized losses on debt securities transferred to held-to-maturity	1.3	1.0
Net unrealized gains and losses on derivatives accounted for as cash flow hedges	0.7	0.0
Total other comprehensive (loss) income, net of tax (note 6)	(106.1)	74.2
Total comprehensive income	$ 38.4	$ 204.6

XML

Consolidated Statements of Changes in Stockholders' Equity - (Unaudited) - USD ($) $ in Millions	Total	Cumulative Effect, Period Of Adoption, Adjustment	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period Of Adoption, Adjustment	Unallocated ESOP Common Stock		Accumulated Other Comprehensive Loss	Treasury Stock
Beginning Balance at Dec. 31, 2019	$ 7,947.2	$ (45.9)	$ 244.1	$ 5.3	$ 7,639.4	$ 1,512.8	$ (45.9)	$ (122.9)		$ (166.9)	$ (1,164.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	130.4					130.4
Total other comprehensive income (loss), net of tax	74.2									74.2
Cash dividends on common stock	(77.3)					(77.3)
Cash dividend on preferred stock	(3.5)					(3.5)
Restricted stock and performance-based share awards	2.4				2.4
Common stock repurchased	(304.4)										(304.4)
ESOP common stock committed to be released (note 9)	1.2					(0.6)		1.8
Common stock repurchased and retired upon vesting of restricted stock awards	(1.4)					(1.4)
Stock options exercised	2.6				2.6
Ending Balance at Mar. 31, 2020	7,725.5		244.1	5.3	7,644.4	1,514.5		(121.1)		(92.7)	(1,469.0)
Beginning Balance at Dec. 31, 2020	7,602.8		244.1	5.3	7,663.6	1,363.6		(115.6)	[1]	(89.2)	(1,469.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	144.5					144.5
Total other comprehensive income (loss), net of tax	(106.1)									(106.1)
Cash dividends on common stock	(75.7)					(75.7)
Cash dividend on preferred stock	(3.5)					(3.5)
Restricted stock and performance-based share awards	1.7				1.7
ESOP common stock committed to be released (note 9)	1.4					(0.4)		1.8	[1]
Common stock repurchased and retired upon vesting of restricted stock awards	(1.6)					(1.6)
Stock options exercised	28.7			0.1	28.6
Ending Balance at Mar. 31, 2021	$ 7,592.2		$ 244.1	$ 5.4	$ 7,693.9	$ 1,426.9		$ (113.8)	[1]	$ (195.3)	$ (1,469.0)

[1] Employee Stock Ownership Plan

XML

Consolidated Statements of Changes in Stockholders' Equity - (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Retained Earnings
Cash dividends on common stock (USD per share)	$ 0.18	$ 0.1775

XML

Consolidated Statements of Cash Flows - (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows from Operating Activities:
Net income	$ 144.5	$ 130.4
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	(13.6)	33.5
Depreciation and amortization of premises and equipment	10.8	11.2
Amortization of other acquisition-related intangible assets	11.0	10.7
Expense related to operating leases	7.8	9.8
Expense related to share-based awards	8.3	7.1
ESOP common stock committed to be released	1.4	1.2
Net gains on sales of loans	(0.1)	(15.5)
Net gains on sales of residential mortgage loans held-for-sale	(1.5)	(0.7)
Originations of loans held-for-sale	(30.4)	(48.7)
Proceeds from sales of loans held-for-sale	48.3	540.6
Net decrease in trading debt securities	0.0	7.1
Excess income tax benefits from stock option exercises	0.5	0.0
Net changes in other assets and other liabilities	270.5	(470.9)
Net cash provided by operating activities	457.5	215.8
Cash Flows from Investing Activities:
Proceeds from sales of equity securities	4.7	0.7
Proceeds from principal repayments and maturities of debt securities available-for-sale	332.3	207.9
Proceeds from sales of debt securities available-for-sale	0.0	0.1
Proceeds from principal repayments and maturities of debt securities held-to-maturity	83.2	94.8
Purchases of debt securities available-for-sale	(1,908.0)	(822.8)
Purchases of debt securities held-to-maturity	(111.4)	(87.3)
Net redemptions (purchases) of Federal Reserve Bank stock	0.4	(24.0)
Net purchases of Federal Home Loan Bank stock	0.0	(42.2)
Proceeds from sales of loans	33.5	27.8
Net principal collections (disbursements) of loans	1,049.9	(624.9)
Purchases of loans	(13.6)	(8.5)
Purchases of premises and equipment	(10.2)	(7.8)
Purchases of leased equipment, net	0.0	(3.8)
Proceeds from sales of real estate owned	3.0	3.3
Return of premium on bank-owned life insurance, net	0.4	0.0
Net cash used in investing activities	(535.8)	(1,286.7)
Cash Flows from Financing Activities:
Net increase in deposits	1,337.6	1,151.6
Net increase in borrowings with terms of three months or less	8.3	766.2
Repayments of borrowings with terms of more than three months	0.0	(10.1)
Cash dividends paid on common stock	(75.7)	(77.3)
Cash dividends paid on preferred stock	(3.5)	(3.5)
Repurchases of common stock	(1.6)	(305.8)
Proceeds from stock options exercised	26.2	0.7
Net cash provided by financing activities	1,291.3	1,521.8
Net increase in cash and cash equivalents	1,213.0	450.9
Cash and cash equivalents at beginning of period	4,243.3	801.0
Cash and cash equivalents at end of period	5,456.3	1,251.9
Supplemental Information:
Interest payments	29.9	105.4
Income tax payments	13.2	13.2
Significant non-cash transactions:
Unsettled purchases of securities	6.5	7.5
Right-of-use assets obtained in exchange for lessee operating lease liabilities	6.0	14.3
Real estate properties acquired by foreclosure	$ 1.2	$ 1.6

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General

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General

NOTE 1. GENERAL

In the opinion of management, the accompanying unaudited consolidated financial statements of People’s United Financial, Inc. (“People’s United” or the “Company”) have been prepared to reflect all adjustments necessary to present fairly the financial position and results of operations as of the dates and for the periods shown. All significant intercompany transactions and balances are eliminated in consolidation. Certain reclassifications have been made to prior period amounts to conform to the current period presentation.

In preparing the consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Actual results could differ from management’s current estimates, as a result of changing conditions and future events.

Several accounting estimates are particularly critical and are susceptible to significant near-term change, including the allowance for credit losses (“ACL”) and the recoverability of goodwill and other intangible assets. These accounting estimates are reviewed with the Audit Committee of the Board of Directors.

The judgments used by management in applying critical accounting policies may be affected by economic conditions, which may result in changes to future financial results. For example, subsequent evaluations of the loan portfolio, in light of the factors then prevailing, may result in significant changes in the ACL in future periods, and the inability to collect outstanding principal may result in increased credit losses.

Certain information and footnote disclosures normally included in consolidated financial statements prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) have been omitted or condensed. As a result, the accompanying consolidated financial statements should be read in conjunction with People’s United’s Annual Report on
Form 10-K for the year ended December 31, 2020 (the “2020 Form 10-K”). The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results of operations that may be expected for the entire year or any other interim period.

Note 1 to People’s United’s audited consolidated financial statements included in the 2020 Form 10-K, as supplemented by this Quarterly Report for the period ended March 31, 2021, provides disclosure of People’s United’s significant accounting policies.

People’s United holds ownership interests in limited partnerships formed to develop and operate affordable housing units for lower income tenants throughout its franchise area. The underlying partnerships, which are considered variable interest entities, are not consolidated into the Company’s Consolidated Financial Statements. These investments have historically played a role in enabling People’s United Bank, National Association (the “Bank”) to meet its Community Reinvestment Act requirements while, at the same time, providing federal income tax credits.

Affordable housing investments, including all legally binding commitments to fund future investments, are included in other assets in the Consolidated Statements of Condition ($500.0 million and $460.8 million at March 31, 2021 and
December 31, 2020, respectively). Included in other liabilities in the Consolidated Statements of Condition is a liability for all legally binding unfunded commitments to fund future investments ($211.6 million and $182.4 million at those dates). The cost of the Company’s investments is amortized on a straight-line basis over the period during which the related federal income tax credits are realized (generally 10 years). Amortization expense, which is included as a component of income tax expense, totaled $8.2 million and $7.0 million for the three months ended March 31, 2021 and 2020, respectively.

Current Expected Credit Losses

On January 1, 2020, the Company adopted new accounting guidance, which requires entities to estimate and recognize an allowance for lifetime expected credit losses for financial assets measured at amortized cost, including loans, held-to-maturity securities and other receivables, as well as certain off-balance sheet credit exposures (the “CECL standard”). Upon adoption of this guidance, a transition adjustment decreasing opening retained earnings by $45.9 million was recorded. The Company did not change its application of the accounting policies with respect to loans or its methodology for determining the ACL during the three months ended March 31, 2021.

Pending Acquisition

On February 22, 2021, People’s United and M&T Bank Corporation (“M&T”) announced that they have entered into a definitive agreement under which M&T will acquire People’s United in an all-stock transaction. Under the terms of the agreement, each share of People’s United common stock will be converted into the right to receive 0.118 shares of M&T common stock. The merger is expected to close in the fourth quarter of 2021, subject to the satisfaction of customary closing conditions, including receipt of regulatory approvals and approval by the shareholders of each company. Special meetings of stockholders of both companies are scheduled to be held on May 25, 2021. Merger-related expenses recorded for the three months ended March 31, 2021 totaled $7.5 million.

Recent Developments

On January 21, 2021, the Bank announced its decision not to renew its agreements with Stop & Shop to operate
140 in-store branches in Connecticut and New York upon their expiration in 2022. Branch closures will take place over several years using a phased approach. In the first quarter of 2021, the Bank reached an agreement with Stop & Shop on the timing of the exit from all New York in-store branch and ATM locations, which will begin in the third quarter of 2021 with a full exit occurring over four quarters. Contract termination costs totaling $12.1 million were recorded for the three months ended March 31, 2021.

On March 11, 2020, the World Health Organization declared the outbreak of a strain of novel coronavirus disease (“COVID-19”) a global pandemic. Economic activity in many countries, including the United States, began to deteriorate rapidly as the COVID-19 pandemic spread across the globe. In the United States, which has been operating under a presidentially-declared national emergency since March 13, 2020, the COVID-19 pandemic caused severe disruption to the capital markets as well as business and economic activity. Since March 2020, individual municipalities and entire states adopted travel and work location restrictions, social distancing requirements, and in some cases, shelter-in-place protocols in order to slow the spread of the virus. These measures resulted in the closure of many schools, stores, offices, restaurants and manufacturing facilities, causing a decline in spending and an increase in layoffs.

In response, the Federal government introduced several measures to mitigate the magnitude of the pandemic’s effects. Most notably, on March 27, 2020, the Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”), which provides financial assistance for businesses and individuals as well as targeted regulatory relief for financial institutions, was signed into law. This relief package was subsequently followed by additional government stimulus in the form of the Consolidated Appropriations Act, 2021 in December 2020 and the American Rescue Plan in March 2021. The impact of the COVID-19 pandemic on economic conditions, both in the United States and abroad, has created global uncertainty about the future economic environment including the length and depth of any global recession that may occur. Concerns over interest rates, domestic and global policy issues, U.S. trade policy and geopolitical events, and the influence of those factors on the markets in general, further add to this uncertainty.

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Cash and Cash Equivalents and Securities

3 Months Ended

Mar. 31, 2021

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents and Securities

NOTE 2. CASH AND CASH EQUIVALENTS AND SECURITIES

Included in short-term investments are interest-bearing deposits at the Federal Reserve Bank of New York
(the “FRB-NY”) totaling $4.89 billion at March 31, 2021 and $3.60 billion at December 31, 2020. These deposits represent an alternative to overnight federal funds sold and yielded 0.10% at both March 31, 2021 and December 31, 2020.

The amortized cost, ACL, gross unrealized gains and losses, and fair value of People’s United’s debt securities
available-for-sale and debt securities held-to-maturity are as follows:

As of March 31, 2021 (in millions)	Amortized Cost		ACL		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available-for-sale:
U.S. Treasury and agency	$	529.3	$	—	$	9.9	$	—	$	539.2
GSE (1) mortgage-backed and    CMO (2) securities	5,654.5		—		83.5		(116.6)		5,621.4
Total debt securities    available-for-sale	$	6,183.8	$	—	$	93.4	$	(116.6)	$	6,160.6
Debt securities held-to-maturity:
State and municipal	$	2,916.1	$	(0.1)	$	190.7	$	(6.2)	$	3,100.5
GSE mortgage-backed securities	1,011.0		—		32.3		—		1,043.3
Corporate	89.8		(1.5)		2.0		(0.1)		90.2
Other	1.5		—		—		—		1.5
Total debt securities    held-to-maturity	$	4,018.4	$	(1.6)	$	225.0	$	(6.3)	$	4,235.5

(1)Government sponsored enterprise

(2)Collateralized mortgage obligation

As of December 31, 2020 (in millions)	Amortized Cost		ACL		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available-for-sale:
U.S. Treasury and agency	$	529.8	$	—	$	11.8	$	—	$	541.6
GSE mortgage-backed and    CMO securities	4,274.7		—		110.9		(1.7)		4,383.9
Total debt securities    available-for-sale	$	4,804.5	$	—	$	122.7	$	(1.7)	$	4,925.5
Debt securities held-to-maturity:
State and municipal	$	2,824.3	$	(0.1)	$	236.0	$	—	$	3,060.2
GSE mortgage-backed securities	1,079.9		—		36.4		—		1,116.3
Corporate	89.7		(1.5)		1.0		(0.2)		89.0
Other	1.5		—		—		—		1.5
Total debt securities    held-to-maturity	$	3,995.4	$	(1.6)	$	273.4	$	(0.2)	$	4,267.0

Accrued interest receivable on both available-for-sale and held-to-maturity debt securities is excluded from the estimate of credit losses. At March 31, 2021 and December 31, 2020, accrued interest receivable associated with (i) debt securities
available-for-sale totaling $13.5 million and $10.7 million, respectively, and (ii) debt securities held-to-maturity totaling $30.3 million and $31.5 million, respectively, is reported in other assets in the Consolidated Statements of Condition.

With regard to U.S. Treasury and residential mortgage-backed securities issued by the U.S. government, or agencies thereof, it is expected that the securities will not be settled at prices less than the amortized cost bases of the securities as such securities are backed by the full faith and credit of and/or guaranteed by the U.S. government. Accordingly, no ACL has been recorded for these securities. With regard to securities issued by corporations, states and/or political subdivisions and other held-to-maturity securities, management considers a number of factors, including: (i) issuer bond ratings; (ii) historical loss rates for given bond ratings; and (iii) whether issuers continue to make timely principal and interest payments under the contractual terms of the securities.

At March 31, 2021, no debt securities held-to-maturity were past due or in non-accrual status. The following table summarizes changes in the ACL on debt securities held-to-maturity for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021						2020
(in millions)	Corporate		State and municipal		Total		Corporate		State and municipal		Total
Balance at beginning of period	$	1.5	$	0.1	$	1.6	$	—	$	—	$	—
CECL transition adjustment	—		—		—		1.8		0.1		1.9
Balance at beginning of period, adjusted	1.5		0.1		1.6		1.8		0.1		1.9
Provision charged (credited) to income	—		—		—		—		—		—
Balance at end of period	$	1.5	$	0.1	$	1.6	$	1.8	$	0.1	$	1.9

Credit Quality Indicators

Credit ratings, which are updated monthly, are a key measure for estimating the probability of a bond’s default and for monitoring credit quality on an on-going basis. For bonds other than U.S. Treasuries and bonds issued or guaranteed by
U.S. government agencies, credit ratings issued by one or more nationally recognized statistical rating organizations such as Moody’s, S&P, Fitch or Kroll are considered in conjunction with an assessment by the Company’s risk management department. In the case of multiple ratings, generally the lower rating prevails. Investment grade reflects a credit rating of
BBB- or above.

The tables below indicate the credit profile of the Company’s debt securities held-to-maturity at amortized cost:

As of March 31, 2021 (in millions)	Investment Grade		Non-Investment Grade		Total
State and municipal	$	2,916.0	$	0.1	$	2,916.1
GSE mortgage-backed securities	1,011.0		—		1,011.0
Corporate	84.8		5.0		89.8
Other	1.5		—		1.5
Total	$	4,013.3	$	5.1	$	4,018.4
As of December 31, 2020 (in millions)	Investment Grade		Non-Investment Grade		Total
State and municipal	$	2,824.1	$	0.2	$	2,824.3
GSE mortgage-backed securities	1,079.9		—		1,079.9
Corporate	84.7		5.0		89.7
Other	1.5		—		1.5
Total	$	3,990.2	$	5.2	$	3,995.4

The following tables summarize those debt securities available-for-sale with unrealized losses classified as to the length of time the losses have existed and for which no ACL has been recognized.

	Continuous Unrealized Loss Position
	Less Than 12 Months				12 Months Or Longer				Total
As of March 31, 2021 (in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Debt securities available-for-sale:
GSE mortgage-backed and CMO    securities	$	3,142.2	$	(116.6)	$	—	$	—	$	3,142.2	$	(116.6)
Total	$	3,142.2	$	(116.6)	$	—	$	—	$	3,142.2	$	(116.6)

	Continuous Unrealized Loss Position
	Less Than 12 Months				12 Months Or Longer				Total
As of December 31, 2020 (in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Debt securities available-for-sale:
GSE mortgage-backed and CMO    securities	$	225.5	$	(1.7)	$	—	$	—	$	225.5	$	(1.7)
Total	$	225.5	$	(1.7)	$	—	$	—	$	225.5	$	(1.7)

At March 31, 2021, 391 of the 2,550 debt securities available-for-sale owned by the Company had gross unrealized losses totaling $116.6 million. With respect to those securities with unrealized losses, all of the GSE mortgage-backed and CMO securities had AAA credit ratings and an average contractual maturity of 25 years.

As of March 31, 2021, no ACL has been recognized on debt securities available-for-sale in an unrealized loss position as management does not believe any of those securities are impaired due to reasons of credit quality. Rather, the cause of the gross unrealized losses with respect to all of the debt securities is directly related to changes in interest rates. At this time, management does not intend to sell such securities nor is it more likely than not, based upon available evidence, that management will be required to sell such securities prior to recovery. No credit impairment losses were recorded in the Consolidated Statements of Income during the three ended March 31, 2021 and 2020.

Security transactions are recorded on the trade date. Realized gains and losses are determined using the specific identification method and reported in non-interest income.

At March 31, 2021 and December 31, 2020, debt securities available-for-sale with fair values of $6.16 billion and $4.93 billion, respectively, and debt securities held-to-maturity with amortized costs of $2.07 billion and $2.08 billion, respectively, were pledged as collateral for public deposits and for other purposes.

The following table is a summary of the amortized cost and fair value of debt securities as of March 31, 2021, based on remaining period to contractual maturity. Information for GSE mortgage-backed and CMO securities is based on the final contractual maturity dates without considering repayments and prepayments.

	Available-for-Sale				Held-to-Maturity
(in millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
U.S. Treasury and agency:
Within 1 year	$	86.3	$	87.0	$	—	$	—
After 1 but within 5 years	443.0		452.2		—		—
Total	529.3		539.2		—		—
GSE mortgage-backed and CMO securities:
Within 1 year	11.7		11.8		—		—
After 1 but within 5 years	122.9		129.0		816.9		842.3
After 5 but within 10 years	1,481.8		1,500.5		194.1		201.0
After 10 years	4,038.1		3,980.1		—		—
Total	5,654.5		5,621.4		1,011.0		1,043.3
State and municipal:
Within 1 year	—		—		9.5		9.6
After 1 but within 5 years	—		—		279.7		292.2
After 5 but within 10 years	—		—		651.2		700.0
After 10 years	—		—		1,975.7		2,098.7
Total	—		—		2,916.1		3,100.5
Corporate:
Within 1 year	—		—		1.0		1.1
After 1 but within 5 years	—		—		14.8		14.8
After 5 but within 10 years	—		—		74.0		74.3
Total	—		—		89.8		90.2
Other:
After 1 but within 5 years	—		—		1.5		1.5
Total	—		—		1.5		1.5
Total:
Within 1 year	98.0		98.8		10.5		10.7
After 1 but within 5 years	565.9		581.2		1,112.9		1,150.8
After 5 but within 10 years	1,481.8		1,500.5		919.3		975.3
After 10 years	4,038.1		3,980.1		1,975.7		2,098.7
Total	$	6,183.8	$	6,160.6	$	4,018.4	$	4,235.5

Equity investments (other than equity method investments) are measured at fair value with changes in fair value recognized in net income. People’s United recorded unrealized gains/(losses) of $0.1 million and $(1.4) million for the three months ended March 31, 2021 and 2020, respectively, (included in other non-interest income in the Consolidated Statements of Income) relating to the change in fair value of its equity securities.

The Bank, as a member of the Federal Reserve Bank system, is currently required to purchase and hold shares of capital stock in the FRB-NY (total cost of $228.0 million and $228.4 million at March 31, 2021 and December 31, 2020, respectively) in an amount equal to 6% of its capital and surplus. Based on the current capital adequacy and liquidity position of the
FRB-NY, management believes there is no impairment in the Company’s investment at March 31, 2021 and the cost of the investment approximates fair value.

The Bank, as a member of the Federal Home Loan Bank (the “FHLB”) of Boston, is currently required to purchase and hold shares of capital stock in the FHLB of Boston (total cost of $38.2 million at both March 31, 2021 and December 31, 2020) in an amount equal to its membership base investment plus an activity based investment determined according to the Bank’s level of outstanding FHLB advances. Based on the current capital adequacy and liquidity position of the FHLB of Boston, management believes there is no impairment in the Company’s investment at March 31, 2021 and the cost of the investment approximates fair value.

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Loans

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Loans

NOTE 3. LOANS

People’s United has identified two loan portfolio segments, Commercial and Retail, which are comprised of the following loan classes:

•Commercial Portfolio: commercial real estate; commercial and industrial; equipment financing; and mortgage warehouse/asset based lending (“MW/ABL”).

•Retail Portfolio: residential mortgage; home equity; and other consumer.

The following table summarizes People’s United’s loans by loan portfolio segment and class:

(in millions)	March 31, 2021		December 31, 2020
Commercial:
Commercial real estate (1)	$	13,520.1	$	13,336.9
Commercial and industrial (1)	10,494.2		10,764.1
Equipment financing	4,927.2		4,930.0
MW/ABL	3,794.0		4,218.2
Total Commercial Portfolio	32,735.5		33,249.2
Retail:
Residential mortgage:
Adjustable-rate	5,105.4		5,517.3
Fixed-rate	2,961.8		3,001.6
Total residential mortgage	8,067.2		8,518.9
Home equity and other consumer:
Home equity	1,873.9		1,997.2
Other consumer	93.1		104.2
Total home equity and other consumer	1,967.0		2,101.4
Total Retail Portfolio	10,034.2		10,620.3
Total loans	$	42,769.7	$	43,869.5

(1)In the first quarter of 2021, the Company completed a portfolio review to ensure consistent classification of certain commercial loans across the Company's franchise and conformity to industry practice for such loans. As a result, approximately $350 million of loans secured by non-owner-occupied commercial properties were prospectively reclassified, in March 2021, from commercial and industrial loans to commercial real estate loans. Prior period balances were not restated to conform to the current presentation.

Paycheck Protection Program

The CARES Act created a loan guarantee program known as the Paycheck Protection Program (“PPP”), the objective of which is to provide small businesses with financial support to cover payroll and certain other qualifying expenses. The Consolidated Appropriations Act, 2021, signed into law in December 2020, included additional funding for first and second draws of PPP loans up to March 31, 2021. In March 2021, the PPP Extension Act of 2021 was signed into law, extending the program to May 31, 2021. Loans made under the PPP are fully guaranteed by the Small Business Administration (“SBA”), whose guarantee is backed by the full faith and credit of the United States. PPP loans also afford borrowers forgiveness up to the principal amount of the loan, plus accrued interest, provided the loan proceeds are used to retain workers and maintain payroll or to make certain mortgage interest, lease and utility payments, and certain other criteria are satisfied. The SBA will reimburse PPP lenders for any amount of a PPP loan that is forgiven, and PPP lenders will not be held liable for any representations made by PPP borrowers in connection with their requests for loan forgiveness. Included in commercial and industrial loans at March 31, 2021 and December 31, 2020 are PPP loans totaling $2.57 billion and $2.28 billion, respectively, and associated deferred loan fees totaling $62.5 million and $45.9 million, respectively. For regulatory capital purposes, PPP loans are assigned a zero risk-weighting as a result of the related SBA guarantee.

Net deferred loan costs, which are included in loans by respective class and exclude deferred fees on loans issued under the PPP, totaled $66.2 million at March 31, 2021 and $68.1 million at December 31, 2020. At March 31, 2021 and
December 31, 2020, accrued interest receivable associated with loans totaled $152.6 million and $159.9 million, respectively, and is reported in other assets in the Consolidated Statements of Condition.

Past Due and Non-Accrual Loans

Loans are considered past due if required principal and interest payments have not been received as of the date such payments were contractually due. A loan is generally considered “non-performing” when it is placed on non-accrual status. A loan is generally placed on non-accrual status when it becomes 90 days past due as to interest or principal payments. A loan may be placed on non-accrual status before it reaches 90 days past due if such loan has been identified as presenting uncertainty with respect to the collectability of interest and principal. A loan past due 90 days or more may remain on accruing status if such loan is both well secured and in the process of collection.

All previously accrued but unpaid interest on non-accrual loans is reversed from interest income in the period in which the accrual of interest is discontinued. Interest payments received on non-accrual loans are generally applied as a reduction of principal if future collections are doubtful, although such interest payments may be recognized as income. Interest income recognized on non-accrual loans for the three months ended March 31, 2021 and 2020 totaled $0.3 million and less than $0.5 million, respectively. A loan remains on non-accrual status until the factors that indicated doubtful collectability no longer exist or until a loan is determined to be uncollectible and is charged-off against the ACL. There were no loans past due 90 days or more and still accruing interest at March 31, 2021 or December 31, 2020.

The following tables summarize aging information by class of loan:

			Past Due
As of March 31, 2021 (in millions)	Current		30-89 Days		90 Days or More		Total		Total
Commercial:
Commercial real estate	$	13,442.1	$	25.9	$	52.1	$	78.0	$	13,520.1
Commercial and industrial	10,438.7		5.4		50.1		55.5		10,494.2
Equipment financing	4,854.7		57.2		15.3		72.5		4,927.2
MW/ABL	3,794.0		—		—		—		3,794.0
Total	32,529.5		88.5		117.5		206.0		32,735.5
Retail:
Residential mortgage	8,007.6		24.8		34.8		59.6		8,067.2
Home equity	1,859.7		4.6		9.6		14.2		1,873.9
Other consumer	92.4		0.5		0.2		0.7		93.1
Total	9,959.7		29.9		44.6		74.5		10,034.2
Total loans	$	42,489.2	$	118.4	$	162.1	$	280.5	$	42,769.7

Included in the “Current” and “30-89 Days” categories above are early non-performing commercial real estate loans, commercial and industrial loans, equipment financing loans and MW/ABL loans totaling $38.1 million, $20.6 million, $102.8 million and $1.0 million, respectively, and $31.2 million of retail loans in the process of foreclosure or bankruptcy. These loans are less than 90 days past due but have been placed on non-accrual status as a result of having been identified as presenting uncertainty with respect to the collectability of interest and principal.

			Past Due
As of December 31, 2020 (in millions)	Current		30-89 Days		90 Days or More		Total		Total
Commercial:
Commercial real estate	$	13,283.2	$	27.3	$	26.4	$	53.7	$	13,336.9
Commercial and industrial	10,694.9		17.3		51.9		69.2		10,764.1
Equipment financing	4,846.8		64.0		19.2		83.2		4,930.0
MW/ABL	4,218.2		—		—		—		4,218.2
Total	33,043.1		108.6		97.5		206.1		33,249.2
Retail:
Residential mortgage	8,447.9		32.2		38.8		71.0		8,518.9
Home equity	1,977.3		8.4		11.5		19.9		1,997.2
Other consumer	103.4		0.7		0.1		0.8		104.2
Total	10,528.6		41.3		50.4		91.7		10,620.3
Total loans	$	43,571.7	$	149.9	$	147.9	$	297.8	$	43,869.5

Included in the “Current” and “30-89 Days” categories above are early non-performing commercial real estate loans, commercial and industrial loans, equipment financing loans and MW/ABL loans totaling $34.0 million, $26.0 million, $90.1 million and $1.0 million, respectively, and $32.6 million of retail loans in the process of foreclosure or bankruptcy. These loans are less than 90 days past due but have been placed on non-accrual status as a result of having been identified as presenting uncertainty with respect to the collectability of interest and principal.

The recorded investment in non-accrual loans, by class of loan and year of origination, is summarized as follows:

	Non-Accrual Loans
As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total		Non-Accrual Loans With No ACL
Commercial:
Commercial real estate	$	—	$	—	$	8.5	$	33.1	$	2.6	$	44.0	$	0.3	$	1.7	$	90.2	$	16.3
Commercial and industrial	0.3		—		3.4		2.5		15.9		28.5		5.6		12.0		68.2		28.1
Equipment financing	0.1		16.5		28.9		25.9		28.4		18.3		—		—		118.1		0.6
MW/ABL	—		—		—		—		—		—		—		1.0		1.0		—
Total (1)	0.4		16.5		40.8		61.5		46.9		90.8		5.9		14.7		277.5		45.0
Retail:
Residential mortgage	—		—		2.5		3.9		1.4		49.1		—		—		56.9		26.9
Home equity	—		—		—		0.3		0.5		2.5		—		15.4		18.7		6.9
Other consumer	—		—		—		—		0.1		—		—		0.1		0.2		—
Total (2)	—		—		2.5		4.2		2.0		51.6		—		15.5		75.8		33.8
Total	$	0.4	$	16.5	$	43.3	$	65.7	$	48.9	$	142.4	$	5.9	$	30.2	$	353.3	$	78.8

	Non-Accrual Loans
As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total		Non-Accrual Loans With No ACL
Commercial:
Commercial real estate	$	—	$	8.6	$	9.7	$	2.8	$	1.9	$	35.4	$	0.2	$	1.8	$	60.4	$	10.9
Commercial and industrial	0.2		3.1		2.3		16.2		13.4		17.5		15.5		7.2		75.4		27.8
Equipment financing	16.4		27.4		25.3		25.5		7.8		6.9		—		—		109.3		0.6
MW/ABL	—		—		—		—		—		—		—		1.0		1.0		—
Total (1)	16.6		39.1		37.3		44.5		23.1		59.8		15.7		10.0		246.1		39.3
Retail:
Residential mortgage	—		2.9		3.9		1.8		2.6		51.1		—		—		62.3		28.3
Home equity	—		—		0.4		0.1		0.6		2.8		—		16.6		20.5		7.9
Other consumer	—		0.1		—		0.1		—		—		—		—		0.2		—
Total (2)	—		3.0		4.3		2.0		3.2		53.9		—		16.6		83.0		36.2
Total	$	16.6	$	42.1	$	41.6	$	46.5	$	26.3	$	113.7	$	15.7	$	26.6	$	329.1	$	75.5

(1)Reported net of government guarantees totaling $2.5 million at both March 31, 2021 and December 31, 2020. These government guarantees relate, almost entirely, to guarantees provided by the SBA as well as selected other Federal agencies and represent the carrying value of the loans that are covered by such guarantees, the extent of which (i.e. full or partial) varies by loan. At March 31, 2021, the principal loan classes to which these government guarantees relate are commercial and industrial loans (95%) and commercial real estate loans (5%).

(2)Includes $23.2 million and $23.6 million of loans in the process of foreclosure at March 31, 2021 and
December 31, 2020, respectively.

Collateral Dependent Loans

Loans for which the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the operation or sale of the collateral are considered to be collateral dependent loans. Collateral can have a significant financial effect in mitigating exposure to credit risk and, where there is sufficient collateral, an allowance for expected credit losses is not recognized or is minimal.

For collateral dependent commercial loans, the allowance for expected credit losses is individually assessed based on the fair value of the collateral. Various types of collateral are used, including real estate, inventory, equipment, accounts receivable, securities and cash, among others. For commercial real estate loans, collateral values are generally based on appraisals which are updated based on management judgment under the specific circumstances on a case-by-case basis. The collateral value for other financial assets is generally based on quoted market prices or broker quotes (in the case of securities) or appraisals. Commercial loan balances are charged-off at the time all or a portion of the balance is deemed uncollectible. At
March 31, 2021 and December 31, 2020, the Company had collateral dependent commercial loans totaling $89.8 million and $71.1 million, respectively.

Collateral dependent residential mortgage and home equity loans are carried at the lower of amortized cost or fair value of the collateral less costs to sell, with any excess in the carrying amount of the loan representing the related ACL. Collateral values are based on broker price opinions or appraisals. At March 31, 2021 and December 31, 2020, the Company had collateral dependent residential mortgage and home equity loans totaling $36.1 million and $37.8 million, respectively.

Troubled Debt Restructurings

Troubled Debt Restructurings (“TDRs”), which, beginning in 2020, also includes loans reasonably expected to become TDRs, represent loans for which the original contractual terms have been modified to provide for terms that are less than what the Company would be willing to accept for new loans with comparable risk because of deterioration in the borrower’s financial condition. Such loan modifications are handled on a case-by-case basis and are negotiated to achieve mutually agreeable terms that maximize loan collectability and meet the borrower’s financial needs. Modifications may include changes to one or more terms of the loan, including, but not limited to: (i) payment deferral; (ii) a reduction in the stated interest rate for the remaining contractual life of the loan; (iii) an extension of the loan’s original contractual term at a stated interest rate lower than the current market rate for a new loan with similar risk; (iv) capitalization of interest; or (v) forgiveness of principal or interest.

TDRs may either be accruing or placed on non-accrual status (and reported as non-accrual loans) depending upon the loan’s specific circumstances, including the nature and extent of the related modifications. TDRs on non-accrual status remain classified as such until the loan qualifies for return to accrual status. Loans qualify for return to accrual status once they have demonstrated performance with the restructured terms of the loan agreement for a minimum of six months in the case of a commercial loan or, in the case of a retail loan, when the loan is less than 90 days past due. Loans may continue to be reported as TDRs after they are returned to accrual status. In accordance with regulatory guidance, residential mortgage and home equity loans restructured in connection with the borrower’s bankruptcy and meeting certain criteria are also required to be classified as TDRs, included in non-accrual loans and written down to the estimated collateral value, regardless of delinquency status.

At March 31, 2021 and December 31, 2020, People’s United’s recorded investment in loans classified as TDRs totaled $178.1 million and $196.9 million, respectively, and the related ACL was $16.5 million and $12.0 million at the respective dates. Interest income recognized on TDRs totaled $0.9 million and $1.3 million for the three months ended March 31, 2021 and 2020, respectively. Funding under commitments to lend additional amounts to borrowers with loans classified as TDRs was immaterial for the three months ended March 31, 2021 and 2020. Loans that were modified and classified as TDRs during the three months ended March 31, 2021 and 2020 principally involve reduced payment and/or payment deferral, extension of term (generally no more than two years for commercial loans and ten years for retail loans) and/or a temporary reduction of interest rate (generally less than 200 basis points).

The CARES Act and guidance issued by the Federal banking agencies provides that certain loan modifications to borrowers experiencing financial distress as a result of the economic impacts created by the COVID-19 pandemic are not required to be treated as TDRs under GAAP. As such, the Company suspended TDR accounting for COVID-19 related loan modifications meeting the loan modification criteria set forth under the CARES Act or as specified in the regulatory guidance. Further, loans granted payment deferrals related to COVID-19 are not required to be reported as past due or placed on
non-accrual status (provided the loans were not past due or on non-accrual status prior to the deferral).

The following tables summarize, by class of loan, the recorded investments in loans modified as TDRs during the three months ended March 31, 2021 and 2020. For purposes of this disclosure, recorded investments represent amounts immediately prior to and subsequent to the restructuring.

	Three Months Ended March 31, 2021
(dollars in millions)	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial:
Commercial real estate (1)	3	$	13.2	$	13.2
Commercial and industrial (2)	5	2.7		2.7
Equipment financing (3)	5	1.3		1.3
MW/ABL (4)	1	0.7		0.7
Total	14	17.9		17.9
Retail:
Residential mortgage (5)	17	6.1		6.1
Home equity (6)	22	1.5		1.5
Other consumer	—	—		—
Total	39	7.6		7.6
Total	53	$	25.5	$	25.5

(1)Represents the following concessions: extension of term (1 contract; recorded investment of $0.4 million) or a combination of concessions (2 contracts; recorded investment of $12.8 million).

(2)Represents the following concessions: extension of term (4 contracts; recorded investment of $2.6 million); or a combination of concessions (1 contract; recorded investment of $0.1 million).

(3)Represents the following concessions: extension of term (4 contracts; recorded investment of $0.5 million); or a combination of concessions (1 contract; recorded investment of $0.8 million).

(4)Represents the following concessions: extension of term (1 contract; recorded investment of $0.7 million).

(5)Represents the following concessions: loans restructured through bankruptcy (3 contracts; recorded investment of $0.2 million); reduced payment and/or payment deferral (9 contracts; recorded investment of $3.0 million); or a combination of concessions (5 contracts; recorded investment of $2.9 million).

(6)Represents the following concessions: loans restructured through bankruptcy (1 contract; recorded investment of $0.1 million); reduced payment and/or payment deferral (6 contracts; recorded investment of $0.4 million); or a combination of concessions (15 contracts; recorded investment of $1.0 million).

	Three Months Ended March 31, 2020
(dollars in millions)	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial:
Commercial real estate (1)	5	$	3.7	$	3.7
Commercial and industrial (2)	10	9.0		9.0
Equipment financing (3)	9	3.1		3.1
MW/ABL	—	—		—
Total	24	15.8		15.8
Retail:
Residential mortgage (4)	13	6.2		6.2
Home equity (5)	17	2.1		2.1
Other consumer	—	—		—
Total	30	8.3		8.3
Total	54	$	24.1	$	24.1

(1)Represents the following concessions: extension of term (4 contracts; recorded investment of $3.2 million); or reduced payment and/or payment deferral (1 contract; recorded investment of $0.5 million).

(2)Represents the following concessions: extension of term (5 contracts; recorded investment of $7.4 million); reduced payment and/or payment deferral (1 contract; recorded investment of $0.3 million); or a combination of concessions
(4 contracts; recorded investment of $1.3 million).

(3)Represents the following concessions: extension of term (1 contract; recorded investment of $1.2 million); reduced payment and/or payment deferral (5 contracts; recorded investment of $0.5 million); or a combination of concessions
(3 contracts; recorded investment of $1.4 million).

(4)Represents the following concessions: loans restructured through bankruptcy (3 contracts; recorded investment of $0.6 million); reduced payment and/or payment deferral (9 contracts; recorded investment of $5.5 million); or a combination of concessions (1 contract; recorded investment of $0.1 million).

(5)Represents the following concessions: loans restructured through bankruptcy (5 contracts; recorded investment of $0.5 million); reduced payment and/or payment deferral (1 contract; recorded investment of $0.1 million); or a combination of concessions (11 contracts; recorded investment of $1.5 million).

The following is a summary, by class of loan, of information related to TDRs completed within the previous 12 months that subsequently defaulted during the three months ended March 31, 2021 and 2020. For purposes of this disclosure, the previous 12 months is measured from April 1 of the respective prior year and a default represents a previously-modified loan that became past due 30 days or more during the three months ended March 31, 2021 or 2020.

	Three Months Ended March 31,
	2021			2020
(dollars in millions)	Number of Contracts	Recorded Investment as of Period End		Number of Contracts	Recorded Investment as of Period End
Commercial:
Commercial real estate	—	$	—	—	$	—
Commercial and industrial	—	—		1	0.1
Equipment financing	5	0.7		4	2.5
MW/ABL	—	—		—	—
Total	5	0.7		5	2.6
Retail:
Residential mortgage	3	2.1		3	1.3
Home equity	—	—		1	—
Other consumer	—	—		—	—
Total	3	2.1		4	1.3
Total	8	$	2.8	9	$	3.9

Credit Quality Indicators

As part of the on-going monitoring of the credit quality of the loan portfolio, management tracks certain credit quality indicators, including trends related to: (i) internal Commercial loan risk ratings; (ii) internal Retail loan risk classification; and (iii) non-accrual loans (see details above).

Commercial Credit Quality Indicators

The Company utilizes an internal loan risk rating system as a means of monitoring portfolio credit quality and identifying both problem and potential problem loans. Under the Company’s risk rating system, loans not meeting the criteria for problem and potential problem loans as specified below are considered to be “Pass”-rated loans. Problem and potential problem loans are classified as either “Special Mention,” “Substandard” or “Doubtful.” Loans that do not currently expose the Company to sufficient enough risk of loss to warrant classification as either Substandard or Doubtful, but possess weaknesses that deserve management’s close attention, are classified as Special Mention. Substandard loans represent those credits characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Loans classified as Doubtful possess all the weaknesses inherent in those classified Substandard with the added characteristic that collection or liquidation in full, on the basis of existing facts, conditions and values, is highly questionable and/or improbable.

Risk ratings on commercial loans are subject to ongoing monitoring by lending and credit personnel with such ratings updated annually or more frequently, if warranted. The Company’s internal Loan Review function is responsible for independently evaluating the appropriateness of those credit risk ratings in connection with its cyclical reviews, the approach to which is risk-based and determined by reference to underlying portfolio credit quality and the results of prior reviews. Differences in risk ratings noted in conjunction with such periodic portfolio loan reviews, if any, are reported to management each month.

The following tables present Commercial loan risk ratings, by class of loan and year of origination:

As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Commercial real    estate:
Pass	$	188.4	$	902.4	$	1,919.8	$	1,506.1	$	1,277.1	$	5,895.1	$	158.4	$	24.3	$	11,871.6
Special Mention	—		78.4		105.7		224.5		157.3		460.7		1.4		—		1,028.0
Substandard	1.0		12.4		28.8		116.6		81.0		372.7		3.1		4.2		619.8
Doubtful	—		—		—		—		—		0.7		—		—		0.7
Total	$	189.4	$	993.2	$	2,054.3	$	1,847.2	$	1,515.4	$	6,729.2	$	162.9	$	28.5	$	13,520.1
Commercial and    industrial:
Pass	$	1,256.8	$	2,197.8	$	987.0	$	679.7	$	501.3	$	1,884.3	$	1,877.0	$	64.2	$	9,448.1
Special Mention	3.0		76.5		55.1		50.6		128.2		178.3		60.0		5.6		557.3
Substandard	2.3		15.1		90.0		59.9		54.1		160.6		83.1		20.9		486.0
Doubtful	—		—		0.4		—		—		2.3		—		0.1		2.8
Total	$	1,262.1	$	2,289.4	$	1,132.5	$	790.2	$	683.6	$	2,225.5	$	2,020.1	$	90.8	$	10,494.2
Equipment financing:
Pass	$	493.4	$	1,557.4	$	1,225.0	$	636.2	$	299.8	$	178.4	$	—	$	—	$	4,390.2
Special Mention	6.6		21.5		25.4		11.1		5.1		1.0		—		—		70.7
Substandard	35.6		155.2		122.8		78.1		43.0		31.6		—		—		466.3
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	535.6	$	1,734.1	$	1,373.2	$	725.4	$	347.9	$	211.0	$	—	$	—	$	4,927.2
MW/ABL:
Pass	$	12.4	$	94.3	$	17.3	$	16.6	$	7.8	$	35.0	$	3,540.5	$	—	$	3,723.9
Special Mention	—		—		6.8		—		—		—		44.7		—		51.5
Substandard	—		—		—		—		—		—		17.6		1.0		18.6
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	12.4	$	94.3	$	24.1	$	16.6	$	7.8	$	35.0	$	3,602.8	$	1.0	$	3,794.0

As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Commercial real    estate:
Pass	$	848.5	$	1,743.2	$	1,490.4	$	1,397.8	$	1,274.2	$	5,039.3	$	165.8	$	19.7	$	11,978.9
Special Mention	28.5		72.9		225.6		131.2		58.9		362.7		0.5		—		880.3
Substandard	12.0		26.7		63.3		51.9		63.2		252.7		2.8		4.2		476.8
Doubtful	—		—		—		—		—		0.9		—		—		0.9
Total	$	889.0	$	1,842.8	$	1,779.3	$	1,580.9	$	1,396.3	$	5,655.6	$	169.1	$	23.9	$	13,336.9
Commercial and    industrial:
Pass	$	2,952.8	$	1,236.9	$	821.9	$	527.1	$	487.2	$	1,588.5	$	1,949.1	$	77.4	$	9,640.9
Special Mention	113.9		41.7		46.4		120.3		57.1		122.1		80.8		6.3		588.6
Substandard	27.0		86.3		84.2		47.6		29.8		141.2		97.7		18.4		532.2
Doubtful	—		—		—		—		0.8		1.5		—		0.1		2.4
Total	$	3,093.7	$	1,364.9	$	952.5	$	695.0	$	574.9	$	1,853.3	$	2,127.6	$	102.2	$	10,764.1
Equipment financing:
Pass	$	1,703.3	$	1,358.7	$	727.2	$	362.1	$	155.5	$	67.1	$	—	$	—	$	4,373.9
Special Mention	20.5		27.5		16.7		7.3		4.2		1.5		—		—		77.7
Substandard	169.9		137.5		87.7		49.8		17.9		15.6		—		—		478.4
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	1,893.7	$	1,523.7	$	831.6	$	419.2	$	177.6	$	84.2	$	—	$	—	$	4,930.0
MW/ABL:
Pass	$	99.4	$	18.6	$	18.3	$	8.8	$	14.1	$	19.6	$	3,994.3	$	—	$	4,173.1
Special Mention	—		6.9		—		—		—		—		20.5		—		27.4
Substandard	—		1.7		—		—		—		—		15.0		1.0		17.7
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	99.4	$	27.2	$	18.3	$	8.8	$	14.1	$	19.6	$	4,029.8	$	1.0	$	4,218.2

Retail Credit Quality Indicators

Pools of Retail loans with similar risk and loss characteristics are also assessed for losses. These loan pools include residential mortgage, home equity and other consumer loans that are not assigned individual loan risk ratings. Rather, the assessment of these portfolios is based upon a consideration of recent historical loss experience, broader portfolio indicators, including trends in delinquencies, non-accrual loans and portfolio concentrations, and portfolio-specific risk characteristics, the combination of which determines whether a loan is classified as “High”, “Moderate” or “Low” risk.

The portfolio-specific risk characteristics considered include: (i) collateral values/loan-to-value (“LTV”) ratios (above and below 70%); (ii) borrower credit scores under the FICO scoring system (above and below a score of 680); and (iii) other relevant portfolio risk elements such as income verification at the time of underwriting (stated income vs. non-stated income) and the property’s intended use (owner-occupied, non-owner occupied, second home, etc.). In classifying a loan as either “High”, “Moderate” or “Low” risk, the combination of each of the aforementioned risk characteristics is considered for that loan, resulting, effectively, in a “matrix approach” to its risk classification. These risk classifications are reviewed quarterly to ensure that they continue to be appropriate in light of changes within the portfolio and/or economic indicators as well as other industry developments.

For example, to the extent LTV ratios exceed 70% (reflecting a weaker collateral position for the Company) or borrower FICO scores are less than 680 (reflecting weaker financial standing and/or credit history of the customer), the loans are considered to have an increased level of inherent loss. As a result, a loan with a combination of these characteristics would generally be classified as “High” risk. Conversely, as LTV ratios decline (reflecting a stronger collateral position for the Company) or borrower FICO scores exceed 680 (reflecting stronger financial standing and/or credit history of the customer), the loans are considered to have a decreased level of inherent loss. A loan with a combination of these characteristics would generally be classified as “Low” risk. This analysis also considers (i) the extent of underwriting that occurred at the time of origination (direct income verification provides further support for credit decisions) and (ii) the property’s intended use
(owner-occupied properties are less likely to default compared to ‘investment-type’ non-owner occupied properties, second homes, etc.). Loans not otherwise deemed to be “High” or “Low” risk are classified as “Moderate” risk.

LTV ratios and FICO scores are determined at origination and updated periodically throughout the life of the loan. LTV ratios are updated for loans 90 days past due and FICO scores are updated for the entire portfolio quarterly. The portfolio stratification (“High”, “Moderate” and “Low” risk) and identification of the corresponding credit quality indicators also occurs quarterly.

The following tables present Retail loan risk classification, by class of loan and year of origination:

As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Residential mortgage:
Low Risk	$	95.1	$	695.7	$	332.8	$	300.8	$	457.7	$	2,567.1	$	—	$	—	$	4,449.2
Moderate Risk	144.7		770.5		405.1		364.9		417.1		857.7		—		—		2,960.0
High Risk	41.2		61.0		43.1		84.2		96.8		331.7		—		—		658.0
Total	$	281.0	$	1,527.2	$	781.0	$	749.9	$	971.6	$	3,756.5	$	—	$	—	$	8,067.2
Home equity:
Low Risk	$	0.2	$	1.9	$	6.6	$	18.2	$	22.0	$	34.1	$	560.2	$	45.5	$	688.7
Moderate Risk	0.4		0.4		3.4		9.6		10.0		17.9		485.2		46.0		572.9
High Risk	0.5		2.4		19.3		33.4		19.8		24.1		379.7		133.1		612.3
Total	$	1.1	$	4.7	$	29.3	$	61.2	$	51.8	$	76.1	$	1,425.1	$	224.6	$	1,873.9
Other consumer:
Low Risk	$	0.5	$	0.7	$	1.6	$	1.5	$	0.9	$	3.0	$	11.2	$	0.2	$	19.6
Moderate Risk	—		—		—		—		—		0.1		3.9		0.1		4.1
High Risk	1.3		4.6		22.8		14.9		1.8		8.5		15.3		0.2		69.4
Total	$	1.8	$	5.3	$	24.4	$	16.4	$	2.7	$	11.6	$	30.4	$	0.5	$	93.1

As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Residential mortgage:
Low Risk	$	609.5	$	349.1	$	338.3	$	504.0	$	1,004.6	$	1,793.8	$	—	$	—	$	4,599.3
Moderate Risk	752.5		456.8		443.9		517.5		520.2		519.8		—		—		3,210.7
High Risk	81.2		60.4		95.0		109.6		86.6		276.1		—		—		708.9
Total	$	1,443.2	$	866.3	$	877.2	$	1,131.1	$	1,611.4	$	2,589.7	$	—	$	—	$	8,518.9
Home equity:
Low Risk	$	1.9	$	7.4	$	21.1	$	24.6	$	10.7	$	25.8	$	580.0	$	42.9	$	714.4
Moderate Risk	0.6		3.7		9.2		12.2		6.6		13.4		520.0		45.3		611.0
High Risk	2.8		21.8		38.1		22.0		7.5		18.8		415.7		145.1		671.8
Total	$	5.3	$	32.9	$	68.4	$	58.8	$	24.8	$	58.0	$	1,515.7	$	233.3	$	1,997.2
Other consumer:
Low Risk	$	0.9	$	1.7	$	1.7	$	0.9	$	0.4	$	2.7	$	11.4	$	0.1	$	19.8
Moderate Risk	—		—		—		—		—		0.1		4.8		0.1		5.0
High Risk	5.5		27.3		17.9		2.3		1.0		8.5		16.8		0.1		79.4
Total	$	6.4	$	29.0	$	19.6	$	3.2	$	1.4	$	11.3	$	33.0	$	0.3	$	104.2

The following table is a summary of revolving loans that converted to term during the three months ended
March 31, 2021:

	Three Months Ended
(in millions)	March 31, 2021
Commercial:
Commercial real estate	$	5.6
Commercial and industrial	17.7
Equipment financing	—
MW/ABL	—
Total	23.3
Retail:
Residential mortgage	—
Home equity	11.8
Other consumer	0.1
Total	11.9
Total	$	35.2

Other Real Estate Owned and Repossessed Assets (included in Other Assets)

Other real estate owned (“REO”) was comprised of commercial and residential properties totaling $3.5 million and $1.5 million, respectively, at March 31, 2021, and $3.6 million and $3.2 million, respectively, at December 31, 2020. Repossessed assets totaled $5.4 million and $5.7 million at March 31, 2021 and December 31, 2020, respectively.

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Allowance For Credit Losses

3 Months Ended

Mar. 31, 2021

Allowance for Credit Loss [Abstract]

Allowance for Credit Losses

NOTE 4. ALLOWANCE FOR CREDIT LOSSES

Allowance for Credit Losses – Loans

At March 31, 2021 and December 31, 2020, the collective ACL totaled $374.8 million and $404.6 million, respectively, and the specific allocations of the ACL for loans evaluated on an individual basis totaled $24.3 million and $20.5 million, respectively.

The following table presents a summary, by loan portfolio segment, of activity in the ACL for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021						2020
(in millions)	Commercial		Retail		Total		Commercial		Retail		Total
Balance at beginning of period	$	303.6	$	121.5	$	425.1	$	217.9	$	28.7	$	246.6
CECL transition adjustment	—		—		—		(17.3)		89.5		72.2
Balance at beginning of period, adjusted	303.6		121.5		425.1		200.6		118.2		318.8
Charge-offs	(16.6)		(1.2)		(17.8)		(9.7)		(2.9)		(12.6)
Recoveries	4.1		1.3		5.4		1.4		0.6		2.0
Net loan charge-offs	(12.5)		0.1		(12.4)		(8.3)		(2.3)		(10.6)
Provision for credit losses	(40.1)		26.5		(13.6)		19.5		14.0		33.5
Balance at end of period	$	251.0	$	148.1	$	399.1	$	211.8	$	129.9	$	341.7

Allowance for Credit Losses – Off-Balance-Sheet Credit Exposures

The following table summarizes the changes in the ACL on off-balance-sheet credit exposures for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(in millions)	2021		2020
Balance at beginning of period	$	26.9	$	5.6
CECL transition adjustment	—		14.5
Balance at beginning of period, adjusted	26.9		20.1
Provision charged (credited) to income	0.8		0.6
Balance at end of period	$	27.7	$	20.7

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Leases

3 Months Ended

Mar. 31, 2021

Leases [Abstract]

Leases

NOTE 5. LEASES

Lessor Arrangements

People’s United provides equipment financing to its customers through a variety of lessor arrangements, some of which may include options to renew and/or for the lessee to purchase the leased equipment at the end of the lease term. Direct financing leases and sales-type leases (collectively, “lease financing receivables”) are carried at the aggregate of lease payments receivable plus the estimated residual value of the leased assets and any initial direct costs incurred to originate these leases, less unearned income, which is accreted to interest income over the lease term using the interest method.

The composition of the Company’s total net investment in lease financing receivables included within equipment financing loans in the Consolidated Statements of Condition was as follows:

(in millions)	March 31, 2021		December 31, 2020
Lease payments receivable	$	1,400.6	$	1,418.4
Estimated residual value of leased assets	132.6		132.7
Gross investment in lease financing receivables	1,533.2		1,551.1
Plus: Deferred origination costs	11.1		11.6
Less: Unearned income	(147.9)		(150.7)
Total net investment in lease financing receivables	$	1,396.4	$	1,412.0

The contractual maturities of the Company’s lease financing receivables were as follows:

(in millions)	March 31, 2021
2021 (1)	$	410.0
2022	451.6
2023	316.1
2024	201.1
2025	112.7
Later years	41.7
Total	$	1,533.2

(1)Contractual maturities for the remaining nine months in 2021.

The following table summarizes People’s United’s total lease income:

	Three Months Ended March 31,
(in millions)	2021		2020
Lease financing receivables	$	16.6	$	17.6
Operating leases	11.3		12.6
Total lease income	$	27.9	$	30.2

Lessee Arrangements

Substantially all of the Company’s lessee arrangements represent non-cancelable operating leases for real estate (primarily branch locations) and office equipment with terms extending through 2054. Under these arrangements, People’s United records right-of-use (“ROU”) assets and corresponding lease liabilities at lease commencement. Lease liabilities are recognized based on the present value of the remaining lease payments and discounted using the Company’s incremental borrowing rate for borrowings of similar term. ROU assets initially equal the related lease liability, adjusted for any lease payments made prior to the lease commencement and any lease incentives. Portions of certain properties are subleased for terms extending through 2028.

Within the Consolidated Statements of Condition, ROU assets are reported in other assets and the related lease liabilities are reported in other liabilities. Lease expense is recognized on a straight-line basis over the lease term and is recorded within occupancy and equipment expense in the Consolidated Statements of Income. Variable lease payments, which generally relate to the non-lease components noted above, are expensed as incurred.

The following tables provide the components of lease cost and supplemental information:

	Three Months Ended March 31,
(in millions)	2021		2020
Operating lease cost	$	16.0	$	16.7
Variable lease cost	2.8		3.1
Finance lease cost	0.1		0.1
Sublease income	(0.5)		(0.5)
Net lease cost	$	18.4	$	19.4

(dollars in millions)	March 31, 2021			December 31, 2020
Lease ROU assets:
Operating leases	$	227.4		$	234.9
Finance leases	2.3			2.3
Lease liabilities:
Operating leases	259.7			270.4
Finance leases	4.8			4.9
Weighted-average discount rate:
Operating leases	3.07		%	3.08		%
Finance leases	2.59			2.59
Weighted-average remaining lease term (in years):
Operating leases	7.5			7.6
Finance leases	11.0			11.2

	Three Months Ended March 31,
(in millions)	2021		2020
Cash payments included in the measurement of lease liabilities:
Reported in operating cash from operating leases	$	17.0	$	17.1
Reported in financing cash from finance leases	0.1		0.1
ROU assets obtained in exchange for lessee:
Operating lease liabilities	6.0		14.3

The contractual maturities of the Company’s lease liabilities as of March 31, 2021 were as follows:

(in millions)	Operating Leases		Finance Leases
2021 (1)	$	51.1	$	0.4
2022	49.9		0.5
2023	38.1		0.5
2024	32.1		0.5
2025	27.5		0.5
Later years	95.7		3.1
Total lease payments	294.4		5.5
Less: Interest	(34.7)		(0.7)
Total lease liabilities	$	259.7	$	4.8

(1)Contractual maturities for the remaining nine months in 2021.

Leases

NOTE 5. LEASES

Lessor Arrangements

People’s United provides equipment financing to its customers through a variety of lessor arrangements, some of which may include options to renew and/or for the lessee to purchase the leased equipment at the end of the lease term. Direct financing leases and sales-type leases (collectively, “lease financing receivables”) are carried at the aggregate of lease payments receivable plus the estimated residual value of the leased assets and any initial direct costs incurred to originate these leases, less unearned income, which is accreted to interest income over the lease term using the interest method.

The composition of the Company’s total net investment in lease financing receivables included within equipment financing loans in the Consolidated Statements of Condition was as follows:

(in millions)	March 31, 2021		December 31, 2020
Lease payments receivable	$	1,400.6	$	1,418.4
Estimated residual value of leased assets	132.6		132.7
Gross investment in lease financing receivables	1,533.2		1,551.1
Plus: Deferred origination costs	11.1		11.6
Less: Unearned income	(147.9)		(150.7)
Total net investment in lease financing receivables	$	1,396.4	$	1,412.0

The contractual maturities of the Company’s lease financing receivables were as follows:

(in millions)	March 31, 2021
2021 (1)	$	410.0
2022	451.6
2023	316.1
2024	201.1
2025	112.7
Later years	41.7
Total	$	1,533.2

(1)Contractual maturities for the remaining nine months in 2021.

The following table summarizes People’s United’s total lease income:

	Three Months Ended March 31,
(in millions)	2021		2020
Lease financing receivables	$	16.6	$	17.6
Operating leases	11.3		12.6
Total lease income	$	27.9	$	30.2

Lessee Arrangements

Substantially all of the Company’s lessee arrangements represent non-cancelable operating leases for real estate (primarily branch locations) and office equipment with terms extending through 2054. Under these arrangements, People’s United records right-of-use (“ROU”) assets and corresponding lease liabilities at lease commencement. Lease liabilities are recognized based on the present value of the remaining lease payments and discounted using the Company’s incremental borrowing rate for borrowings of similar term. ROU assets initially equal the related lease liability, adjusted for any lease payments made prior to the lease commencement and any lease incentives. Portions of certain properties are subleased for terms extending through 2028.

Within the Consolidated Statements of Condition, ROU assets are reported in other assets and the related lease liabilities are reported in other liabilities. Lease expense is recognized on a straight-line basis over the lease term and is recorded within occupancy and equipment expense in the Consolidated Statements of Income. Variable lease payments, which generally relate to the non-lease components noted above, are expensed as incurred.

The following tables provide the components of lease cost and supplemental information:

	Three Months Ended March 31,
(in millions)	2021		2020
Operating lease cost	$	16.0	$	16.7
Variable lease cost	2.8		3.1
Finance lease cost	0.1		0.1
Sublease income	(0.5)		(0.5)
Net lease cost	$	18.4	$	19.4

(dollars in millions)	March 31, 2021			December 31, 2020
Lease ROU assets:
Operating leases	$	227.4		$	234.9
Finance leases	2.3			2.3
Lease liabilities:
Operating leases	259.7			270.4
Finance leases	4.8			4.9
Weighted-average discount rate:
Operating leases	3.07		%	3.08		%
Finance leases	2.59			2.59
Weighted-average remaining lease term (in years):
Operating leases	7.5			7.6
Finance leases	11.0			11.2

	Three Months Ended March 31,
(in millions)	2021		2020
Cash payments included in the measurement of lease liabilities:
Reported in operating cash from operating leases	$	17.0	$	17.1
Reported in financing cash from finance leases	0.1		0.1
ROU assets obtained in exchange for lessee:
Operating lease liabilities	6.0		14.3

The contractual maturities of the Company’s lease liabilities as of March 31, 2021 were as follows:

(in millions)	Operating Leases		Finance Leases
2021 (1)	$	51.1	$	0.4
2022	49.9		0.5
2023	38.1		0.5
2024	32.1		0.5
2025	27.5		0.5
Later years	95.7		3.1
Total lease payments	294.4		5.5
Less: Interest	(34.7)		(0.7)
Total lease liabilities	$	259.7	$	4.8

(1)Contractual maturities for the remaining nine months in 2021.

Leases

NOTE 5. LEASES

Lessor Arrangements

People’s United provides equipment financing to its customers through a variety of lessor arrangements, some of which may include options to renew and/or for the lessee to purchase the leased equipment at the end of the lease term. Direct financing leases and sales-type leases (collectively, “lease financing receivables”) are carried at the aggregate of lease payments receivable plus the estimated residual value of the leased assets and any initial direct costs incurred to originate these leases, less unearned income, which is accreted to interest income over the lease term using the interest method.

The composition of the Company’s total net investment in lease financing receivables included within equipment financing loans in the Consolidated Statements of Condition was as follows:

(in millions)	March 31, 2021		December 31, 2020
Lease payments receivable	$	1,400.6	$	1,418.4
Estimated residual value of leased assets	132.6		132.7
Gross investment in lease financing receivables	1,533.2		1,551.1
Plus: Deferred origination costs	11.1		11.6
Less: Unearned income	(147.9)		(150.7)
Total net investment in lease financing receivables	$	1,396.4	$	1,412.0

The contractual maturities of the Company’s lease financing receivables were as follows:

(in millions)	March 31, 2021
2021 (1)	$	410.0
2022	451.6
2023	316.1
2024	201.1
2025	112.7
Later years	41.7
Total	$	1,533.2

(1)Contractual maturities for the remaining nine months in 2021.

The following table summarizes People’s United’s total lease income:

	Three Months Ended March 31,
(in millions)	2021		2020
Lease financing receivables	$	16.6	$	17.6
Operating leases	11.3		12.6
Total lease income	$	27.9	$	30.2

Lessee Arrangements

Substantially all of the Company’s lessee arrangements represent non-cancelable operating leases for real estate (primarily branch locations) and office equipment with terms extending through 2054. Under these arrangements, People’s United records right-of-use (“ROU”) assets and corresponding lease liabilities at lease commencement. Lease liabilities are recognized based on the present value of the remaining lease payments and discounted using the Company’s incremental borrowing rate for borrowings of similar term. ROU assets initially equal the related lease liability, adjusted for any lease payments made prior to the lease commencement and any lease incentives. Portions of certain properties are subleased for terms extending through 2028.

Within the Consolidated Statements of Condition, ROU assets are reported in other assets and the related lease liabilities are reported in other liabilities. Lease expense is recognized on a straight-line basis over the lease term and is recorded within occupancy and equipment expense in the Consolidated Statements of Income. Variable lease payments, which generally relate to the non-lease components noted above, are expensed as incurred.

The following tables provide the components of lease cost and supplemental information:

	Three Months Ended March 31,
(in millions)	2021		2020
Operating lease cost	$	16.0	$	16.7
Variable lease cost	2.8		3.1
Finance lease cost	0.1		0.1
Sublease income	(0.5)		(0.5)
Net lease cost	$	18.4	$	19.4

(dollars in millions)	March 31, 2021			December 31, 2020
Lease ROU assets:
Operating leases	$	227.4		$	234.9
Finance leases	2.3			2.3
Lease liabilities:
Operating leases	259.7			270.4
Finance leases	4.8			4.9
Weighted-average discount rate:
Operating leases	3.07		%	3.08		%
Finance leases	2.59			2.59
Weighted-average remaining lease term (in years):
Operating leases	7.5			7.6
Finance leases	11.0			11.2

	Three Months Ended March 31,
(in millions)	2021		2020
Cash payments included in the measurement of lease liabilities:
Reported in operating cash from operating leases	$	17.0	$	17.1
Reported in financing cash from finance leases	0.1		0.1
ROU assets obtained in exchange for lessee:
Operating lease liabilities	6.0		14.3

The contractual maturities of the Company’s lease liabilities as of March 31, 2021 were as follows:

(in millions)	Operating Leases		Finance Leases
2021 (1)	$	51.1	$	0.4
2022	49.9		0.5
2023	38.1		0.5
2024	32.1		0.5
2025	27.5		0.5
Later years	95.7		3.1
Total lease payments	294.4		5.5
Less: Interest	(34.7)		(0.7)
Total lease liabilities	$	259.7	$	4.8

(1)Contractual maturities for the remaining nine months in 2021.

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Stockholders' Equity

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Stockholders' Equity

NOTE 6. STOCKHOLDERS’ EQUITY

Preferred Stock and Common Stock

People’s United is authorized to issue (i) 50.0 million shares of preferred stock, par value of $0.01 per share, of which 10.0 million shares were issued at both March 31, 2021 and December 31, 2020, and (ii) 1.95 billion shares of common stock, par value of $0.01 per share, of which 536.2 million shares and 533.7 million shares were issued at March 31, 2021 and December 31, 2020, respectively.

Treasury Stock

Treasury stock includes (i) common stock repurchased by People’s United, either directly or through agents, in the open market at prices and terms satisfactory to management in connection with stock repurchases authorized by its Board of Directors (106.4 million shares at both March 31, 2021 and December 31, 2020) and (ii) common stock purchased in the open market by a trustee with funds provided by People’s United and originally intended for awards under the People’s United Financial, Inc. 2007 Recognition and Retention Plan (the “RRP”) (2.6 million shares at both March 31, 2021 and
December 31, 2020). Following shareholder approval of the People’s United Financial, Inc. 2014 Long-Term Incentive Plan in 2014, no new awards may be granted under the RRP.

In June 2019, the Company’s Board of Directors authorized the repurchase of up to 20.0 million shares of People’s United’s outstanding common stock. Such shares may be repurchased, either directly or through agents, in the open market at prices and terms satisfactory to management. During the first quarter of 2020, the Company completed the repurchase authorization by purchasing 19.8 million shares of People’s United common stock at a total cost of $304.4 million.

Comprehensive Income

Comprehensive income represents the sum of net income and items of “other comprehensive income or loss,” including (on an after-tax basis): (i) net actuarial gains and losses, prior service credits and costs, and transition assets and obligations related to People’s United’s pension and other postretirement plans; (ii) net unrealized gains and losses on debt securities available-for-sale; (iii) net unrealized gains and losses on debt securities transferred to held-to-maturity; and (iv) net unrealized gains and losses on derivatives accounted for as cash flow hedges. People’s United’s total comprehensive income for the three months ended March 31, 2021 and 2020 is reported in the Consolidated Statements of Comprehensive Income.

The following is a summary of the changes in the components of accumulated other comprehensive income (loss) (“AOCL”), which are included in People’s United’s stockholders’ equity on an after-tax basis:

(in millions)	Pension and Other Postretirement Plans		Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale		Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity		Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges		Total AOCL
Balance at December 31, 2020	$	(181.8)	$	103.1	$	(8.2)	$	(2.3)	$	(89.2)
Other comprehensive income (loss)    before reclassifications	—		(108.5)		0.1		0.4		(108.0)
Amounts reclassified from AOCL (1)	0.4		—		1.2		0.3		1.9
Current period other comprehensive    income (loss)	0.4		(108.5)		1.3		0.7		(106.1)
Balance at March 31, 2021	$	(181.4)	$	(5.4)	$	(6.9)	$	(1.6)	$	(195.3)

(in millions)	Pension and Other Postretirement Plans		Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale		Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity		Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges		Total AOCL
Balance at December 31, 2019	$	(176.2)	$	20.8	$	(11.8)	$	0.3	$	(166.9)
Other comprehensive income before    reclassifications	—		71.6		—		—		71.6
Amounts reclassified from AOCL (1)	1.6		—		1.0		—		2.6
Current period other comprehensive    income	1.6		71.6		1.0		—		74.2
Balance at March 31, 2020	$	(174.6)	$	92.4	$	(10.8)	$	0.3	$	(92.7)

(1)See the following table for details about these reclassifications.

The following is a summary of the amounts reclassified from AOCL:

	Amounts Reclassified from AOCL				Affected Line Item in the Statement Where Net Income is Presented
	Three Months Ended March 31,
(in millions)	2021		2020
Details about components of AOCL:
Amortization of pension and other    postretirement plans items:
Net actuarial loss	$	(2.6)	$	(2.0)	(1)
	(2.6)		(2.0)		Income before income tax expense
	2.2		0.4		Income tax expense
	(0.4)		(1.6)		Net income
Reclassification adjustment for net    realized gains (losses) on debt    securities available-for-sale	—		—		Income before income tax expense (2)
	—		—		Income tax expense
	—		—		Net income
Amortization of unrealized losses on    debt securities transferred to    held-to-maturity	(1.6)		(1.3)		Income before income tax expense (3)
	0.4		0.3		Income tax expense
	(1.2)		(1.0)		Net income
Amortization of unrealized gains and    losses on cash flow hedges:
Interest rate swaps	(0.4)		—		(5)
Interest rate locks (4)	—		—		(5)
	(0.4)		—		Income before income tax expense
	0.1		—		Income tax expense
	(0.3)		—		Net income
Total reclassifications for the period	$	(1.9)	$	(2.6)

(1)Included in the computation of net periodic benefit income (expense) reflected in other non-interest expense (see Note 9 for additional details).

(2)Included in other non-interest income.

(3)Included in interest and dividend income - securities.

(4)Amount reclassified from AOCL totaled less than $0.1 million for both periods.

(5)Included in interest expense - notes and debentures.

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Earnings Per Common Share

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Earnings Per Common Share

NOTE 7. EARNINGS PER COMMON SHARE

The following is an analysis of People’s United’s basic and diluted earnings per common share (“EPS”), reflecting the application of the two-class method, as described below:

	Three Months Ended March 31,
(in millions, except per common share data)	2021		2020
Net income available to common shareholders	$	141.0	$	126.9
Dividends paid on and undistributed earnings allocated to    participating securities	—		—
Earnings attributable to common shareholders	$	141.0	$	126.9
Weighted average common shares outstanding for basic EPS	419.1		427.2
Effect of dilutive equity-based awards	3.5		2.6
Weighted average common shares and common-equivalent    shares for diluted EPS	422.6		429.8
EPS:
Basic	$	0.34	$	0.30
Diluted	0.33		0.30

Unvested share-based payment awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered to participate with common stock in undistributed earnings for purposes of computing EPS. Companies that have such participating securities, including People’s United, are required to calculate basic and diluted EPS using the two-class method. Restricted stock awards granted by People’s United prior to 2017 are considered participating securities. Calculations of EPS under the two-class method (i) exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities and (ii) exclude from the denominator the dilutive impact of the participating securities.

All unallocated ESOP common shares and all common shares accounted for as treasury shares have been excluded from the calculation of basic and diluted EPS. Anti-dilutive equity-based awards totaling 11.7 million shares and 12.9 million shares for the three months ended March 31, 2021 and 2020, respectively, have also been excluded from the calculation of diluted EPS.

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Goodwill and Other Acquisition-Related Intangible Assets

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Acquisition-Related Intangible Assets

NOTE 8. GOODWILL AND OTHER ACQUISITION-RELATED INTANGIBLE ASSETS

Recent acquisitions have been undertaken with the objective of expanding the Company’s business, both geographically and through product offerings, as well as realizing synergies and economies of scale by combining with the acquired entities. For these reasons, a market-based premium was paid for the acquired entities which, in turn, resulted in the recognition of goodwill, representing the excess of the respective purchase prices over the estimated fair value of the net assets acquired.

People’s United’s goodwill totaled $2.68 billion at both March 31, 2021 and December 31, 2020, and was allocated to its operating segments as follows: Commercial Banking ($1.97 billion); Retail Banking ($657.9 million); and Wealth Management ($56.8 million).

Based on the quantitative assessment performed as of October 1, 2020, People’s United recognized, in the quarter ended December 31, 2020, a non-cash goodwill impairment charge totaling $353.0 million (representing 12% of total goodwill) associated with the Retail Banking reporting unit, while the fair values of the Commercial Banking and Wealth Management reporting units continued to exceed the respective carrying values by 4% and 103%, respectively.

Subsequent to the October 1st measurement date, an improved outlook with regard to interest rates and a reduction in the level of economic uncertainty due, in part, to widespread distribution of the COVID-19 vaccine, has resulted in significant appreciation in People’s United’s stock price, market capitalization and expectations with respect to future earnings and cash flows. The Company qualitatively assessed, as of March 31, 2021, recent potential triggering events that could serve as indicators that the carrying amount of its goodwill is impaired. Based on this evaluation, which also considered the results of the 2020 impairment assessment, the Company concluded that it was not more likely than not that the fair value of any reporting unit was less than its carrying amount at that date.

All of People’s United’s tax deductible goodwill was created in transactions in which the Company purchased the assets of the target (as opposed to purchasing the issued and outstanding stock of the target). At March 31, 2021 and
December 31, 2020, tax deductible goodwill totaled $111.1 million and $113.6 million, respectively.

People’s United’s other acquisition-related intangible assets totaled $153.8 million and $165.1 million at March 31, 2021 and December 31, 2020, respectively. At March 31, 2021, the carrying amounts of other acquisition-related intangible assets were as follows: core deposit intangible ($91.0 million); trade name intangible ($42.8 million); client relationships intangible ($15.4 million); trust relationships intangible ($4.4 million); favorable lease agreements ($0.1 million); and non-compete agreements ($0.1 million).

Amortization expense of other acquisition-related intangible assets totaled $11.0 million and $10.7 million for the three months ended March 31, 2021 and 2020, respectively. Scheduled amortization expense attributable to other acquisition-related intangible assets for the full-year of 2021 and each of the next five years is as follows: $35.4 million in 2021; $30.9 million in 2022; $23.2 million in 2023; $19.5 million in 2024; $16.6 million in 2025; and $13.7 million in 2026. There were no impairment losses relating to goodwill or other acquisition-related intangible assets recorded in the Consolidated Statements of Income during the three months ended March 31, 2021 and 2020.

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Employee Benefit Plans

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Employee Benefit Plans

NOTE 9. EMPLOYEE BENEFIT PLANS

People’s United Employee Pension and Other Postretirement Plans

People’s United maintains a qualified noncontributory defined benefit pension plan (the “People’s Qualified Plan”) that covers substantially all full-time and part-time employees who (i) meet certain age and length of service requirements and (ii) were employed by the Bank prior to August 14, 2006. Benefits are based upon the employee’s years of credited service and either the average compensation for the last five years or the average compensation for the five consecutive years of the last
ten years that produce the highest average.

New employees of the Bank starting on or after August 14, 2006 are not eligible to participate in the People’s Qualified Plan. Instead, the Bank makes contributions on behalf of these employees to a qualified defined contribution plan in an annual amount equal to 3% of the employee’s eligible compensation. Employee participation in this plan is restricted to employees who (i) are at least 18 years of age and (ii) worked at least 1,000 hours in a year. Both full-time and part-time employees are eligible to participate as long as they meet these requirements.

In July 2011, the Bank amended the People’s Qualified Plan to “freeze”, effective December 31, 2011, the accrual of pension benefits for People’s Qualified Plan participants. As such, participants will not earn any additional benefits after that date. Instead, effective January 1, 2012, the Bank began making contributions on behalf of these participants to a qualified defined contribution plan in an annual amount equal to 3% of the employee’s eligible compensation.

In addition to the People’s Qualified Plan, People’s United continues to maintain the qualified defined benefit pension plan that covers former United Financial Bancorp, Inc. employees who meet certain eligibility requirements (the “United Financial Qualified Plan”). All benefits under this plan were frozen effective December 31, 2012. Effective March 31, 2021, the United Financial Qualified Plan was merged into the People's Qualified Plan.

People’s United’s funding policy is to contribute the amounts required by applicable regulations, although additional amounts may be contributed from time to time.

People’s United also maintains (i) unfunded, nonqualified supplemental plans to provide retirement benefits to certain senior officers (the “People’s Supplemental Plans”) and (ii) an unfunded plan that provides retirees with optional medical, dental and life insurance benefits (the “People’s Postretirement Plan”). People’s United accrues the cost of these postretirement benefits over the employees’ years of service to the date of their eligibility for such benefit. People’s United also continues to maintain: (1) for certain eligible former First Connecticut Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “First Connecticut Supplemental Plan”) and (ii) unfunded plans that provide medical, dental and life insurance benefits (the “First Connecticut Postretirement Plans”); (2) for certain eligible former BSB Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “BSB Bancorp Supplemental Plan”) and (ii) unfunded plans that provide life insurance benefits (the “BSB Bancorp Post Retirement Welfare (Life Insurance) Plan”); and (3) for certain former United Financial Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “United Financial Supplemental Plan”) and (ii) unfunded plans that provide medical, dental and life insurance benefits (the “United Financial Postretirement Benefit Plan”).

Components of net periodic benefit (income) expense and other amounts recognized in other comprehensive income (loss) for (i) the People’s Qualified Plan, the United Financial Qualified Plan, the People’s Supplemental Plans, the First Connecticut Supplemental Plan, the BSB Bancorp Supplemental Plan and the United Financial Supplemental Plan (together the “Pension Plans”) and (ii) the People’s Postretirement Plan, the First Connecticut Postretirement Plans, the BSB Bancorp Post Retirement Welfare (Life Insurance) Plan and the United Financial Postretirement Plan (together the “Other Postretirement Plans”) are as follows:

	Pension Plans				Other Postretirement Plans
Three months ended March 31 (in millions)	2021		2020		2021		2020
Net periodic benefit (income) expense:
Interest cost	$	3.6	$	4.9	$	0.2	$	0.3
Expected return on plan assets	(13.2)		(12.4)		—		—
Recognized net actuarial loss	2.6		2.0		—		—
Settlements	0.3		0.8		—		—
Net periodic benefit (income) expense	(6.7)		(4.7)		0.2		0.3
Other changes in plan assets and benefit obligations    recognized in other comprehensive income (loss):
Net actuarial loss	(2.6)		(2.0)		—		—
Total pre-tax changes recognized in other    comprehensive income (loss)	(2.6)		(2.0)		—		—
Total recognized in net periodic benefit (income)    expense and other comprehensive income (loss)	$	(9.3)	$	(6.7)	$	0.2	$	0.3

 Employee Stock Ownership Plan

In April 2007, People’s United established an ESOP. At that time, People’s United loaned the ESOP $216.8 million to purchase 10,453,575 shares of People’s United common stock in the open market. In order for the ESOP to repay the loan, People’s United expects to make annual cash contributions of approximately $18.8 million until 2036. Such cash contributions may be reduced by the cash dividends paid on unallocated ESOP shares, which, for the three months ended March 31, 2021, totaled $1.0 million. At March 31, 2021, the loan balance totaled $166.7 million.

Employee participation in this plan is restricted to those employees who (i) are at least 18 years of age and (ii) worked at least 1,000 hours within 12 months of their hire date or any plan year (January 1 to December 31) after their date of hire. Employees meeting the aforementioned eligibility criteria during the plan year must continue to be employed as of the last day of the plan year in order to receive an allocation of shares for that plan year.

Shares of People’s United common stock are held by the ESOP and allocated to eligible participants annually based upon a percentage of each participant’s eligible compensation. Since the ESOP was established, a total of 4,965,448 shares of People’s United common stock have been allocated or committed to be released to participants’ accounts. At March 31, 2021, 5,488,127 shares of People’s United common stock, with a fair value of $98.2 million at that date, have not been allocated or committed to be released.

Compensation expense related to the ESOP is recognized at an amount equal to the number of common shares committed to be released by the ESOP for allocation to participants’ accounts multiplied by the average fair value of People’s United’s common stock during the reporting period. The difference between the fair value of the shares of People’s United’s common stock committed to be released and the cost of those common shares is recorded as a credit to additional paid-in capital (if fair value exceeds cost) or, to the extent that no such credits remain in additional paid-in capital, as a charge to retained earnings (if fair value is less than cost). Expense recognized for the ESOP totaled $1.4 million and $1.2 million for the three months ended March 31, 2021 and 2020, respectively

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Legal Proceedings

3 Months Ended

Mar. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Legal Proceedings

NOTE 10. LEGAL PROCEEDINGS

In the normal course of business, People’s United is subject to various legal proceedings. Management has discussed with legal counsel the nature of these legal proceedings and, based on the advice of counsel and the information currently available, believes that the eventual outcome of these legal proceedings will not have a material adverse effect on People’s United’s financial condition, results of operations or liquidity.

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Segment Information

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Segment Information

NOTE 11. SEGMENT INFORMATION

See “Segment Results” included in Item 2 for segment information for the three months ended March 31, 2021 and 2020.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

NOTE 12. FAIR VALUE MEASUREMENTS

Accounting standards related to fair value measurements define fair value, provide a framework for measuring fair value and establish related disclosure requirements. Broadly, fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. Accordingly, an “exit price” approach is required in determining fair value. In support of this principle, a fair value hierarchy has been established that prioritizes the inputs used to measure fair value, requiring entities to maximize the use of market or observable inputs (as more reliable measures) and minimize the use of unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs generally require significant management judgment.

The three levels within the fair value hierarchy are as follows:

•Level 1 – Unadjusted quoted market prices for identical assets or liabilities in active markets that the entity has the ability to access at the measurement date (such as active exchange-traded equity securities or mutual funds and certain U.S. and government agency debt securities).

•Level 2 – Observable inputs other than quoted prices included in Level 1, such as:

▪quoted prices for similar assets or liabilities in active markets (such as U.S. agency and GSE issued
mortgage-backed and CMO securities);

▪quoted prices for identical or similar assets or liabilities in less active markets (such as certain U.S. and government agency debt securities, and corporate and municipal debt securities that trade infrequently); and

▪other inputs that (i) are observable for substantially the full term of the asset or liability (e.g. interest rates, yield curves, prepayment speeds, default rates, etc.) or (ii) can be corroborated by observable market data (such as interest rate and currency derivatives and certain other securities).

•Level 3 – Valuation techniques that require unobservable inputs that are supported by little or no market activity and are significant to the fair value measurement of the asset or liability (such as pricing models, discounted cash flow methodologies and similar techniques that typically reflect management’s own estimates of the assumptions a market participant would use in pricing the asset or liability).

People’s United maintains policies and procedures to value assets and liabilities using the most relevant data available. Described below are the valuation methodologies used by People’s United and the resulting fair values for those financial instruments measured at fair value on both a recurring and a non-recurring basis. For those financial instruments not measured at fair value either on a recurring or non-recurring basis, disclosure of each instrument’s carrying amount and estimated fair value has been provided.

Recurring Fair Value Measurements

Trading Debt Securities, Equity Securities and Debt Securities Available-For-Sale

When available, People’s United uses quoted market prices for identical securities received from an independent, nationally-recognized, third-party pricing service (as discussed further below) to determine the fair value of investment securities such as U.S. Treasury and agency securities and equity securities that are included in Level 1. When quoted market prices for identical securities are unavailable, People’s United uses prices provided by the independent pricing service based on recent trading activity and other observable information including, but not limited to, market interest rate curves, referenced credit spreads and estimated prepayment rates where applicable. These investments include certain U.S. and government agency debt securities, corporate and municipal debt securities, and GSE mortgage-backed and CMO securities, all of which are included in Level 2.

The Company’s debt securities available-for-sale are primarily comprised of GSE mortgage-backed securities. The fair

value of these securities is based on prices obtained from the independent pricing service. The pricing service uses various

techniques to determine pricing for the Company’s mortgage-backed securities, including option pricing and discounted cash

flow analysis. The inputs include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, benchmark securities,

bids, offers, reference data, monthly payment information and collateral performance. At both March 31, 2021 and
December 31, 2020, the mortgage-backed securities available-for-sale portfolio was entirely comprised of GSE
mortgage-backed and CMO securities with original final maturities ranging from 7 to 40 years. An active market exists for securities that are similar to the Company’s GSE mortgage-backed and CMO securities, making observable inputs readily available.

Changes in the prices obtained from the pricing service are analyzed from month to month, taking into consideration changes in market conditions including changes in mortgage spreads, changes in U.S. Treasury security yields and changes in generic pricing of securities with similar duration. As a further point of validation, the Company generates its own month-end fair value estimate for all mortgage-backed securities, and state and municipal securities. While the Company has not adjusted the prices obtained from the independent pricing service, any notable differences between those prices and the Company’s estimates are subject to further analysis. This additional analysis may include a review of prices provided by other independent parties, a yield analysis, a review of average life changes using Bloomberg analytics and a review of historical pricing for the particular security. Based on management’s review of the prices provided by the pricing service, the fair values incorporate observable market inputs used by market participants at the measurement date and, as such, are classified as Level 2 securities.

Other Assets

As discussed in Note 9, certain unfunded nonqualified supplemental plans have been established to provide retirement benefits to certain senior officers. People’s United has funded two trusts to provide benefit payments to the extent such benefits are not paid directly by People’s United, the assets of which are included in other assets in the Consolidated Statements of Condition. When available, People’s United determines the fair value of the trust assets using quoted market prices for identical securities received from a third-party nationally recognized pricing service.

Derivatives

People’s United values its derivatives using internal models that are based on market or observable inputs including interest rate curves and forward/spot prices for selected currencies. Derivative assets and liabilities included in Level 2 represent interest rate swaps and caps, foreign exchange contracts, risk participation agreements, forward commitments to sell residential mortgage loans and interest rate-lock commitments on residential mortgage loans.

The following tables summarize People’s United’s financial instruments that are measured at fair value on a recurring basis:

	Fair Value Measurements Using
As of March 31, 2021 (in millions)	Level 1		Level 2		Level 3		Total
Financial assets:
Debt securities available-for-sale:
U.S. Treasury and agency	$	539.2	$	—	$	—	$	539.2
GSE mortgage-backed and CMO securities	—		5,621.4		—		5,621.4
Equity securities	1.5		—		—		1.5
Other assets:
Exchange-traded funds	83.2		—		—		83.2
Mutual funds	3.7		—		—		3.7
Interest rate swaps	—		479.1		—		479.1
Interest rate caps	—		2.3		—		2.3
Foreign exchange contracts	—		13.0		—		13.0
Forward commitments to sell residential mortgage loans	—		0.1		—		0.1
Total	$	627.6	$	6,115.9	$	—	$	6,743.5
Financial liabilities:
Interest rate swaps	$	—	$	122.9	$	—	$	122.9
Interest rate caps	—		2.3		—		2.3
Risk participation agreements	—		0.3		—		0.3
Foreign exchange contracts	—		5.5		—		5.5
Interest rate-lock commitments on residential mortgage loans	—		0.1		—		0.1
Total	$	—	$	131.1	$	—	$	131.1

	Fair Value Measurements Using
As of December 31, 2020 (in millions)	Level 1		Level 2		Level 3		Total
Financial assets:
Debt securities available-for-sale:
U.S. Treasury and agency	541.6		—		—		541.6
GSE mortgage-backed and CMO securities	—		4,383.9		—		4,383.9
Equity securities	5.3		—		—		5.3
Other assets:
Exchange-traded funds	53.0		—		—		53.0
Mutual funds	3.9		—		—		3.9
Interest rate swaps	—		783.8		—		783.8
Interest rate caps	—		3.0		—		3.0
Foreign exchange contracts	—		12.8		—		12.8
Forward commitments to sell residential mortgage loans	—		0.7		—		0.7
Total	$	603.8	$	5,184.2	$	—	$	5,788.0
Financial liabilities:
Interest rate swaps	$	—	$	157.2	$	—	$	157.2
Interest rate caps	—		3.0		—		3.0
Risk participation agreements	—		0.4		—		0.4
Foreign exchange contracts	—		8.8		—		8.8
Interest rate-lock commitments on residential mortgage loans	—		1.0		—		1.0
Total	$	—	$	170.4	$	—	$	170.4

Non-Recurring Fair Value Measurements

The valuation techniques and inputs used by People’s United for those assets measured at fair value on a non-recurring basis, excluding goodwill, are described below.

Loans Held-for-Sale

Loans held-for-sale are recorded at the lower of amortized cost or fair value and are therefore measured at fair value on a non-recurring basis. When available, People’s United uses observable secondary market data, including pricing on recent closed market transactions for loans with similar characteristics. Accordingly, such loans are classified as Level 2 measurements. When observable data is unavailable, valuation methodologies using current market interest rate data adjusted for inherent credit risk are used, and such loans are included in Level 3.

Collateral Dependent Loans

The Company’s approach to determining the fair value of collateral dependent loans is described in Note 3, “Loans”.

People’s United has estimated the fair values of these assets using Level 3 inputs, such as discounted cash flows based on inputs that are largely unobservable and, instead, reflect management’s own estimates of the assumptions a market participant would use in pricing such loans and/or the fair value of collateral based on independent third-party appraisals for collateral dependent loans. Such appraisals are based on the market and/or income approach to value and are subject to a discount (to reflect estimated cost to sell) that generally approximates 10%.

REO and Repossessed Assets

REO and repossessed assets are recorded at the lower of cost or fair value, less estimated selling costs, and are therefore measured at fair value on a non-recurring basis. People’s United has estimated the fair values of these assets using Level 3 inputs, such as independent third-party appraisals and price opinions. Such appraisals are based on the market and/or income approach to value and are subject to a discount (to reflect estimated cost to sell) that generally approximates 10%. Assets that are acquired through loan default are recorded as held-for-sale initially at the lower of the recorded investment in the loan or fair value (less estimated selling costs) upon the date of foreclosure/repossession. Subsequent to foreclosure/repossession, valuations are updated periodically and the carrying amounts of these assets may be reduced further.

Mortgage Servicing Rights

Mortgage servicing rights are evaluated for impairment based upon the fair value of the servicing rights as compared to their amortized cost. The fair value of mortgage servicing rights is based on a valuation model that calculates the present value of estimated net servicing income. This model incorporates certain assumptions that market participants would likely use in estimating future net servicing income, such as interest rates, prepayment speeds and the cost to service (including delinquency and foreclosure costs), all of which require a degree of management judgment. Adjustments are only recorded when the discounted cash flows derived from the valuation model are less than the carrying value of the asset. As such, mortgage servicing rights are subject to measurement at fair value on a non-recurring basis and are classified as Level 3 assets.

The following tables summarize People’s United’s assets that are measured at fair value on a non-recurring basis:

	Fair Value Measurements Using
As of March 31, 2021 (in millions)	Level 1		Level 2		Level 3		Total
Loans held-for-sale (1)	$	—	$	10.1	$	—	$	10.1
Collateral dependent loans (2)	—		—		45.4		45.4
REO and repossessed assets (3)	—		—		10.4		10.4
Mortgage servicing rights (4)	—		—		5.3		5.3
Total	$	—	$	10.1	$	61.1	$	71.2
	Fair Value Measurements Using
As of December 31, 2020 (in millions)	Level 1		Level 2		Level 3		Total
Goodwill (5)	$	—	$	—	$	2,680.8	$	2,680.8
Loans held-for-sale (1)	—		26.5		—		26.5
Collateral dependent loans (2)	—		—		32.8		32.8
REO and repossessed assets (3)	—		—		12.5		12.5
Mortgage servicing rights (4)	—		—		4.8		4.8
Total	$	—	$	26.5	$	2,730.9	$	2,757.4

(1)Consists of residential mortgage loans; no fair value adjustments were recorded for the three months ended
March 31, 2021 and 2020.

(2)Represents the recorded investment in collateral dependent loans with a related ACL totaling $24.3 million and $20.5 million measured in accordance with applicable accounting guidance at March 31, 2021 and December 31, 2020, respectively. The provision for credit losses on collateral dependent loans totaled $7.3 million and $3.9 million for the three months ended March 31, 2021 and 2020, respectively.

(3)Represents: (i) $3.5 million of commercial REO; (ii) $1.5 million of residential REO; and (iii) $5.4 million of repossessed assets at March 31, 2021. Charge-offs to the ACL related to loans that were transferred to REO or repossessed assets totaled $0.2 million and $1.2 million for the three months ended March 31, 2021 and 2020, respectively. Write downs and net (gains) losses on sale of foreclosed/repossessed assets charged to non-interest expense totaled $(0.7) million and $0.4 million for the same periods.

(4)Fair value adjustments totaling $0.5 million and $(3.0) million were recorded for the three months ended
March 31, 2021 and 2020, respectively.

(5)Goodwill was evaluated for impairment as of October 1, 2020 (the Company’s annual measurement date).

Financial Assets and Financial Liabilities Not Measured At Fair Value

The following tables summarize the carrying amounts, estimated fair values and placement in the fair value hierarchy of People’s United’s financial instruments that are not measured at fair value either on a recurring or non-recurring basis: 

	Carrying Amount		Estimated Fair Value Measurements Using
As of March 31, 2021 (in millions)			Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	464.2	$	464.2	$	—	$	—	$	464.2
Short-term investments	4,992.1		—		4,992.1		—		4,992.1
Debt securities held-to-maturity, net	4,016.8		—		4,234.0		1.5		4,235.5
FRB and FHLB stock	266.2		—		266.2		—		266.2
Total loans, net (1)	42,325.2		—		8,007.3		34,561.0		42,568.3
Financial liabilities:
Time deposits	4,908.3		—		4,939.7		—		4,939.7
Other deposits	48,567.0		—		48,567.0		—		48,567.0
FHLB advances	569.7		—		570.0		—		570.0
Customer repurchase agreements	436.2		—		436.1		—		436.1
Federal funds purchased	150.0		—		150.0		—		150.0
Notes and debentures	1,003.3		—		1,036.8		—		1,036.8

	Carrying Amount		Estimated Fair Value Measurements Using
As of December 31, 2020 (in millions)			Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	477.3	$	477.3	$	—	$	—	$	477.3
Short-term investments	3,766.0		—		3,766.0		—		3,766.0
Debt securities held-to-maturity	3,993.8		—		4,265.5		1.5		4,267.0
FRB and FHLB stock	266.6		—		266.6		—		266.6
Total loans, net (1)	43,411.6		—		8,539.4		35,294.0		43,833.4
Financial liabilities:
Time deposits	5,658.8		—		5,699.7		—		5,699.7
Other deposits	46,478.9		—		46,478.9		—		46,478.9
FHLB advances	569.7		—		570.3		—		570.3
Federal funds purchased	452.9		—		452.9		—		452.9
Customer repurchase agreements	125.0		—		125.0		—		125.0
Notes and debentures	1,009.6		—		1,035.8		—		1,035.8

(1)Excludes collateral dependent loans totaling $45.4 million at March 31, 2021 and $32.8 million at December 31, 2020, both measured at fair value on a non-recurring basis.

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Derivative Financial Instruments and Hedging Activities

3 Months Ended

Mar. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments and Hedging Activities

NOTE 13. DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES

People’s United uses derivative financial instruments as components of its market risk management (principally to manage interest rate risk (“IRR”)). Certain other derivatives are entered into in connection with transactions with commercial customers. Derivatives are not used for speculative purposes.

All derivatives are recognized as either assets or liabilities in the Consolidated Statements of Condition, reported at fair value and presented on a gross basis. Until a derivative is settled, a favorable change in fair value results in an unrealized gain that is recognized as an asset, while an unfavorable change in fair value results in an unrealized loss that is recognized as a liability.

The Company generally applies hedge accounting to its derivatives used for market risk management purposes. Hedge accounting is permitted only if specific criteria are met, including a requirement that a highly effective relationship exist between the derivative instrument and the hedged item, both at inception of the hedge and on an ongoing basis. The hedge accounting method depends upon whether the derivative instrument is classified as a fair value hedge (i.e. hedging an exposure related to a recognized asset or liability, or a firm commitment) or a cash flow hedge (i.e. hedging an exposure related to the variability of future cash flows associated with a recognized asset or liability, or a forecasted transaction). Changes in the fair value of effective fair value hedges are recognized in current earnings (with the change in fair value of the hedged asset or liability also recorded in earnings). Changes in the fair value of effective cash flow hedges are recognized in other comprehensive income (loss) until earnings are affected by the variability in cash flows of the designated hedged item. Ineffective portions of hedge results are recognized in current earnings. Changes in the fair value of derivatives for which hedge accounting is not applied are recognized in current earnings.

People’s United formally documents at inception all relationships between the derivative instruments and the hedged items, as well as its risk management objectives and strategies for undertaking the hedge transactions. This process includes linking all derivatives that are designated as hedges to specific assets and liabilities, or to specific firm commitments or forecasted transactions. People’s United also formally assesses, both at inception of the hedge and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting changes in the fair values or cash flows of the hedged items. If it is determined that a derivative is not highly effective or has ceased to be a highly effective hedge, People’s United would discontinue hedge accounting prospectively. Gains or losses resulting from the termination of a derivative accounted for as a cash flow hedge remain in AOCL and are amortized to earnings over the remaining period of the former hedging relationship, provided the hedged item continues to be outstanding or it is probable the forecasted transaction will occur.

People’s United uses the dollar offset method, regression analysis and scenario analysis to assess hedge effectiveness at inception and on an ongoing basis. Such methods are chosen based on the nature of the hedge strategy and are used consistently throughout the life of the hedging relationship.

Certain derivative financial instruments are offered to commercial customers to assist them in meeting their financing and investing objectives and for their risk management purposes. These derivative financial instruments consist primarily of interest rate swaps and caps, but also include foreign exchange contracts. The interest rate and foreign exchange risks associated with customer interest rate swaps and caps and foreign exchange contracts are mitigated by entering into similar derivatives having essentially offsetting terms with institutional counterparties.

Interest rate-lock commitments extended to borrowers relate to the origination of residential mortgage loans. To mitigate the IRR inherent in these commitments, People’s United enters into mandatory delivery and best efforts contracts to sell adjustable-rate and fixed-rate residential mortgage loans (servicing released). Forward commitments to sell and interest
rate-lock commitments on residential mortgage loans are considered derivatives and their respective estimated fair values are adjusted based on changes in interest rates.

Changes in the fair value of derivatives for which hedge accounting is not applied are recognized in current earnings, including customer derivatives, interest-rate lock commitments and forward sale commitments.

By using derivatives, People’s United is exposed to credit risk to the extent that counterparties to the derivative contracts do not perform as required. Should a counterparty fail to perform under the terms of a derivative contract, the Company’s counterparty credit risk is equal to the amount reported as a derivative asset in the Consolidated Statements of Condition. In accordance with the Company’s balance sheet offsetting policy (see Note 14), amounts reported as derivative assets represent derivative contracts in a gain position, without consideration for derivative contracts in a loss position with the same counterparty (to the extent subject to master netting arrangements) and posted collateral. People’s United seeks to minimize counterparty credit risk through credit approvals, limits, monitoring procedures, execution of master netting arrangements and obtaining collateral, where appropriate. Counterparties to People’s United’s derivatives include major financial institutions and exchanges that undergo comprehensive and periodic internal credit analysis as well as maintain investment grade credit ratings from the major credit rating agencies. As such, management believes the risk of incurring credit losses on derivative contracts with those counterparties is remote and losses, if any, would be immaterial.

Certain of People’s United’s derivative contracts contain provisions establishing collateral requirements (subject to minimum collateral posting thresholds) based on the Company’s external credit rating. If the Company’s senior unsecured debt rating were to fall below the level generally recognized as investment grade, the counterparties to such derivative contracts could require additional collateral on those derivative transactions in a net liability position (after considering the effect of master netting arrangements and posted collateral). The aggregate fair value of derivative instruments with such credit-related

contingent features that were in a net liability position at March 31, 2021 was $1.0 million, for which People’s United had

posted no collateral in the normal course of business. If the Company’s senior unsecured debt rating had fallen below

investment grade as of that date, $1.0 million in additional collateral would have been required.

The following sections further discuss each class of derivative financial instrument used by People’s United, including management’s principal objectives and risk management strategies.

Interest Rate Swaps

People’s United may, from time to time, enter into interest rate swaps that are used to manage IRR associated with certain interest-bearing liabilities.

The Bank has entered into a pay floating/receive fixed interest rate swap to hedge the change in fair value due to changes in interest rates of the Bank’s $400 million subordinated notes. The Bank has agreed with the swap counterparty to exchange, at specified intervals, the difference between fixed-rate and floating-rate interest amounts calculated based on a notional amount of $375 million. The fixed-rate interest payments received on the swap will essentially offset the fixed-rate interest payments made on these notes, notwithstanding the notional difference between these notes and the swap. The floating-rate interest amounts paid under the swap are calculated based on three-month LIBOR plus 126.5 basis points. The swap effectively converts the fixed-rate subordinated notes to a floating-rate liability. This swap is accounted for as a fair value hedge.

The Bank has entered into two-year and three-year pay fixed/receive floating interest rate swaps to reduce its interest rate exposure by hedging the variability in interest cash flows on certain rolling three-month funding liabilities, which may consist of FHLB advances. The Bank has agreed with the swap counterparty to exchange, at specified intervals, the difference between fixed-rate and floating-rate interest amounts calculated based on an aggregate notional amount of $550 million. The interest rate swaps effectively convert a short-term benchmark interest rate (LIBOR) into a fixed-rate. These swaps are accounted for as cash flow hedges.

Customer Derivatives

People’s United enters into interest rate swaps and caps with certain of its commercial customers. In order to minimize its risk, these customer interest rate swaps (pay floating/receive fixed) and caps have been offset with essentially matching interest rate swaps (pay fixed/receive floating) and caps with People’s United’s institutional counterparties. Hedge accounting has not been applied for these derivatives. Accordingly, changes in the fair value of all such interest rate swaps and caps are recognized in current earnings.

Foreign Exchange Contracts

Foreign exchange contracts are commitments to buy or sell foreign currency on a future date at a contractual price. People’s United uses these instruments on a limited basis to (i) eliminate its exposure to fluctuations in currency exchange rates on certain of its commercial loans that are denominated in foreign currencies and (ii) provide foreign exchange contracts on behalf of commercial customers within credit exposure limits. Gains and losses on foreign exchange contracts substantially offset the translation gains and losses on the related loans.

Risk Participation Agreements

People’s United enters into risk participation agreements under which it may either assume or sell credit risk associated with a borrower’s performance under certain interest rate derivative contracts. In those instances in which People’s United has assumed credit risk, it is not a party to the derivative contract and has entered into the risk participation agreement because it is also a party to the related loan agreement with the borrower. In those instances in which People’s United has sold credit risk, it is a party to the derivative contract and has entered into the risk participation agreement because it sold a portion of the related loan. People’s United manages its credit risk under risk participation agreements by monitoring the creditworthiness of the borrower, based on its normal credit review process. The notional amounts of the risk participation agreements reflect People’s United’s pro-rata share of the derivative contracts, consistent with its share of the related loans.

Forward Commitments to Sell Residential Mortgage Loans and Related Interest Rate-Lock Commitments

People’s United enters into forward commitments to sell adjustable-rate and fixed-rate residential mortgage loans (all to be sold servicing released) in order to reduce the market risk associated with originating loans for sale in the secondary market. In order to fulfill a forward commitment, People’s United delivers originated loans at prices or yields specified by the contract. The risks associated with such contracts arise from the possible inability of counterparties to meet the contract terms or People’s United’s inability to originate the necessary loans. Gains and losses realized on the forward contracts are reported in the Consolidated Statements of Income as a component of the net gains on sales of residential mortgage loans. In the normal course of business, People’s United will commit to an interest rate on a mortgage loan application at the time of application, or anytime thereafter. The risks associated with these interest rate-lock commitments arise if market interest rates change prior to the closing of these loans. Both forward sales commitments and interest rate-lock commitments made to borrowers on held-for-sale loans are accounted for as derivatives, with changes in fair value recognized in current earnings.

Interest Rate Locks

In connection with its planned issuance of senior notes in the fourth quarter of 2012, People’s United entered into
U.S. Treasury forward interest rate locks (“T-Locks”) to hedge the risk that the 10-year U.S. Treasury yield component of the underlying coupon of the fixed-rate senior notes would rise prior to establishing the fixed interest rate on the senior notes. Upon pricing the senior notes, the T-Locks were terminated and the unrealized gain of $0.9 million was included (on a net-of-tax basis) as a component of AOCL. The gain is being recognized as a reduction of interest expense over the ten-year period during which the hedged item ($500 million senior note issuance) affects earnings.

The table below provides a summary of the notional amounts and fair values (presented on a gross basis) of derivatives outstanding:

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
(in millions)	Type of Hedge	March 31, 2021		Dec. 31, 2020		March 31, 2021		Dec. 31, 2020		March 31, 2021		Dec. 31, 2020
Derivatives Not Designated as Hedging    Instruments:
Interest rate swaps:
Commercial customers	N/A	$	8,828.2	$	8,878.6	$	457.5	$	778.0	$	23.6	$	0.4
Institutional counterparties	N/A	8,830.4		8,881.3		21.6		5.8		99.3		156.8
Interest rate caps:
Commercial customers	N/A	184.8		185.1		2.2		3.0		0.1		—
Institutional counterparties	N/A	184.8		185.1		0.1		—		2.2		3.0
Risk participation agreements	N/A	916.9		924.3		—		—		0.3		0.4
Foreign exchange contracts	N/A	323.9		285.3		13.0		12.8		5.5		8.8
Forward commitments to sell    residential mortgage loans	N/A	1.4		25.4		0.1		0.7		—		—
Interest rate-lock commitments on    residential mortgage loans	N/A	1.4		41.5		—		—		0.1		1.0
Total						494.5		800.3		131.1		170.4
Derivatives Designated as Hedging    Instruments:
Interest rate swaps:
FHLB advances	Cash flow	550.0		550.0		—		—		—		—
Subordinated notes	Fair value	375.0		375.0		—		—		—		—
Total						—		—		—		—
Total fair value of derivatives						$	494.5	$	800.3	$	131.1	$	170.4

(1)Assets are recorded in other assets and liabilities are recorded in other liabilities.

The following table summarizes the impact of People’s United’s derivatives on pre-tax income and AOCL:

	Type of Hedge	Amount of Pre-Tax Gain (Loss) Recognized in Earnings (1)				Amount of Pre-Tax Gain (Loss) Recognized in AOCL
Three months ended March 31 (in millions)		2021		2020		2021		2020
Derivatives Not Designated as Hedging    Instruments:
Interest rate swaps:
Commercial customers	N/A	$	(300.6)	$	613.6	$	—	$	—
Institutional counterparties	N/A	300.2		(603.7)		—		—
Interest rate caps:
Commercial customers	N/A	(0.7)		2.0		—		—
Institutional counterparties	N/A	0.9		(2.0)		—		—
Foreign exchange contracts	N/A	0.4		0.1		—		—
Risk participation agreements	N/A	0.3		(0.6)		—		—
Forward commitments to sell    residential mortgage loans	N/A	(0.7)		0.2		—		—
Interest rate-lock commitments on    residential mortgage loans	N/A	1.0		(0.2)		—		—
Total		0.8		9.4		—		—
Derivatives Designated as Hedging    Instruments:
Interest rate swaps	Fair value	2.4		0.4		—		—
Interest rate swaps	Cash flow	(0.4)		—		0.5		0.1
Interest rate locks (2)	Cash flow	—		—		—		—
Total		2.0		0.4		0.5		0.1
Total		$	2.8	$	9.8	$	0.5	$	0.1

(1)Amounts recognized in earnings are recorded in interest income, interest expense or other non-interest income for derivatives designated as hedging instruments and in other non-interest income for derivatives not designated as hedging instruments.

(2)Income totaled less than $0.1 million for both periods.

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Balance Sheet Offsetting

3 Months Ended

Mar. 31, 2021

Offsetting [Abstract]

Balance Sheet Offsetting

NOTE 14. BALANCE SHEET OFFSETTING

Assets and liabilities relating to certain financial instruments, including derivatives, may be eligible for offset in the Consolidated Statements of Condition and/or subject to enforceable master netting arrangements or similar agreements. People’s United’s derivative transactions with institutional counterparties are generally executed under International Swaps and Derivative Association (“ISDA”) master agreements, which include “right of set-off” provisions that provide for a single net settlement of all interest rate swap positions, as well as collateral, in the event of default on, or the termination of, any one contract. Nonetheless, the Company does not, except as indicated below, offset asset and liabilities under such arrangements in the Consolidated Statements of Condition.

The Chicago Mercantile Exchange (“CME”) legally characterizes variation margin payments for over-the-counter derivatives that clear as settlements rather than collateral. Accordingly, the Company’s accounting policies classify, for accounting and presentation purposes, variation margin payments deemed to be legal settlements as a single unit of account with the related derivative(s). At both March 31, 2021 and December 31, 2020, this presentation impacted one of the Company’s institutional counterparties. As such, People’s United has, subject to the corresponding enforceable master netting arrangement, netted the institutional counterparty’s CME derivative position and offset the counterparty’s variation margin payments in the Consolidated Statement of Condition as of both dates.

Collateral (generally in the form of marketable debt securities) pledged by counterparties in connection with derivative transactions is not reported in the Consolidated Statements of Condition unless the counterparty defaults. Collateral that has been pledged by People’s United to counterparties continues to be reported in the Consolidated Statements of Condition unless the Company defaults.

The following tables provide a gross presentation, the effects of offsetting, and a net presentation of the Company’s financial instruments that are eligible for offset in the Consolidated Statements of Condition. The collateral amounts in these tables are limited to the outstanding balances of the related asset or liability (after netting is applied) and, therefore, instances of overcollateralization are not presented. In the tables below, the Net Amount Presented of the derivative assets and liabilities can be reconciled to the fair value of the Company’s derivative financial instruments in Note 13. The Company’s derivative contracts with commercial customers and customer repurchase agreements are not subject to master netting arrangements and, therefore, have been excluded from the tables below.

	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Financial Instruments				Net Amount
As of March 31, 2021 (in millions)									Collateral
Financial assets:
Interest rate swaps:
Counterparty A	$	0.2	$	—	$	0.2	$	(0.2)	$	—	$	—
Counterparty B	—		—		—		—		—		—
Counterparty C	2.2		—		2.2		(2.2)		—		—
Counterparty D	0.9		—		0.9		(0.9)		—		—
Counterparty E	16.2		—		16.2		—		—		16.2
Other counterparties	2.2		—		2.2		(2.2)		—		—
Foreign exchange contracts	13.0		—		13.0		—		—		13.0
Total	$	34.7	$	—	$	34.7	$	(5.5)	$	—	$	29.2
Financial liabilities:
Interest rate swaps:
Counterparty A	$	3.8	$	—	$	3.8	$	(0.2)	$	(3.6)	$	—
Counterparty B	5.7		—		5.7		—		(5.7)		—
Counterparty C	35.4		—		35.4		(2.2)		(33.2)		—
Counterparty D	14.3		—		14.3		(0.9)		(3.1)		10.3
Counterparty E	—		—		—		—		—		—
Other counterparties	42.3		—		42.3		(2.2)		(39.8)		0.3
Foreign exchange contracts	5.5		—		5.5		—		—		5.5
Total	$	107.0	$	—	$	107.0	$	(5.5)	$	(85.4)	$	16.1

	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Financial Instruments				Net Amount
As of December 31, 2020 (in millions)									Collateral
Financial assets:
Interest rate swaps:
Counterparty A	$	—	$	—	$	—	$	—	$	—	$	—
Counterparty B	—		—		—		—		—		—
Counterparty C	0.3		—		0.3		(0.3)		—		—
Counterparty D	—		—		—		—		—		—
Counterparty E	5.4		—		5.4		—		—		5.4
Other counterparties	0.1		—		0.1		(0.1)		—		—
Foreign exchange contracts	12.8		—		12.8		—		—		12.8
Total	$	18.6	$	—	$	18.6	$	(0.4)	$	—	$	18.2
Financial liabilities:
Interest rate swaps:
Counterparty A	$	5.6	$	—	$	5.6	$	—	$	(5.6)	$	—
Counterparty B	7.1		—		7.1		—		(7.1)		—
Counterparty C	56.6		—		56.6		(0.3)		(56.3)		—
Counterparty D	21.4		—		21.4		—		(10.4)		11.0
Counterparty E	—		—		—		—		—		—
Other counterparties	69.1		—		69.1		(0.1)		(69.0)		—
Foreign exchange contracts	8.8		—		8.8		—		—		8.8
Total	$	168.6	$	—	$	168.6	$	(0.4)	$	(148.4)	$	19.8

Resale and repurchase agreements represent agreements to purchase/sell securities subject to an obligation to
resell/repurchase the same or similar securities. People’s United accounts for securities resale agreements as secured lending transactions and securities repurchase agreements as secured borrowings since the transferor maintains effective control over the transferred securities and the transfer meets the other criteria for such accounting. The securities are pledged by the transferor as collateral and the transferee has the right by contract to repledge that collateral provided the same collateral is returned to the transferor upon maturity of the underlying agreement. The fair value of the pledged collateral approximates the recorded amount of the secured loan or borrowing. Decreases in the fair value of the transferred securities below an established threshold require the transferor to provide additional collateral.

The following tables show the extent to which assets and liabilities exchanged under resale and repurchase agreements have been offset in the Consolidated Statements of Condition. These agreements: (i) are entered into simultaneously with the same financial institution counterparty; (ii) have the same principal amounts and inception/maturity dates; and (iii) are subject to a master netting arrangement that contains a conditional right of offset upon default. At March 31, 2021 and
December 31, 2020, the Company posted as collateral marketable securities with fair values of $256.6 million and $258.7 million, respectively, and, in turn, accepted as collateral marketable securities with fair values of $257.4 million and $254.4 million, respectively.

As of March 31, 2021 (in millions)	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented
Total resale agreements	$	250.0	$	(250.0)	$	—
Total repurchase agreements	$	250.0	$	(250.0)	$	—
As of December 31, 2020 (in millions)	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented
Total resale agreements	$	250.0	$	(250.0)	$	—
Total repurchase agreements	$	250.0	$	(250.0)	$	—

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New Accounting Standards

3 Months Ended

Mar. 31, 2021

Accounting Changes and Error Corrections [Abstract]

New Accounting Standards

NOTE 15. NEW ACCOUNTING STANDARDS

Reference Rate Reform

In 2017, the United Kingdom’s Financial Conduct Authority announced that it will cease to compel its panel banks to submit London Interbank Offered Rate (“LIBOR”) rates after December 31, 2021 as a result of the steadily decreasing number of transaction-based borrowing observations between banks in interbank funding markets. LIBOR is widely used by the Company as it serves as the primary index rate for approximately 46% of its loan portfolio. As a result of LIBOR cessation, a Company-wide initiative was introduced to assess all applicable loan, deposit and borrowing categories, and develop a comprehensive plan for the transition away from LIBOR. The Company expects to follow recommendations from the Federal Reserve’s Alternative Reference Rate Committee and the International Swaps and Derivatives Association, along with
industry-led solutions, in establishing a replacement index, or indices, for LIBOR.

In March 2020, the Financial Accounting Standards Board (the “FASB”) issued a new standard providing temporary optional expedients and exceptions to existing U.S. GAAP on contract modifications and hedge accounting in order to ease the financial reporting burdens associated with transitioning away from LIBOR and other interbank offered rates to acceptable alternative rates. Under the new guidance, an entity can elect, by accounting topic or industry subtopic, to account for the modification of a contract affected by reference rate reform as a continuation of the existing contract, if certain conditions are met. In addition, the new guidance allows an entity to elect, on a hedge-by-hedge basis, to continue to apply hedge accounting for hedging relationships in which the critical terms change due to reference rate reform, if certain conditions are met. A
one-time election to sell and/or transfer held-to-maturity debt securities that reference a rate affected by reference rate reform is also permitted under the new guidance. While the standard is effective upon issuance, the Company continues to evaluate the impact and which optional expedients and exceptions might be elected. These optional elections will generally cease to apply to contract modifications or existing hedging relationships after December 31, 2022.

In November 2020, the Federal banking agencies issued a statement encouraging banks that enter into new financial contracts prior to December 31, 2021 to utilize a reference rate other than LIBOR and to include robust fallback language that specifies a clearly defined alternative reference rate after LIBOR's discontinuation. People’s United began incorporating recent ISDA-derived LIBOR fallback language in new LIBOR-based interest rate swap transactions effective after January 25, 2021. Bank-wide efforts to transition from LIBOR-based originations to alternate indices prior to December 31, 2021 are continuing, including upgrades and enhancements to certain Bank systems. Separately, the agencies indicated that a bank may use any reference rate for its loans that the bank determines to be appropriate for its funding model and customer needs.

In January 2021, the FASB issued clarifying guidance regarding the scope of the optional relief for reference rate reform contemplated in its March 2020 standard. This guidance permits entities to apply certain of the optional practical expedients and exceptions included in its March 2020 standard to the accounting for derivative contracts and hedging activities that may be affected by changes in interest rates used for discounting cash flows, computing variation margin settlements and calculating price alignment interest (the “discounting transition”). These optional practical expedients and exceptions may be applied to derivative instruments impacted by the discounting transition even if such instruments do not reference a rate that is expected to be discontinued. This guidance is effective immediately and an entity may elect to apply the amendments as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020 or on a prospective basis to new modifications from any date within an interim period that includes or is subsequent to January 7, 2021, up to the date that financial statements are available to be issued.

Disclosure Requirements – Defined Benefit Plans

In August 2018, the FASB issued targeted amendments that serve to make minor changes to the disclosure requirements for employers that sponsor defined benefit pension and/or other postretirement benefit plans. More specifically, the amendments (i) remove disclosures that are no longer considered cost beneficial; (ii) clarify the specific requirements of selected disclosures; and (iii) add disclosure requirements identified as relevant. These amendments are effective for fiscal years ending after December 15, 2020 (January 1, 2021 for People’s United) and early adoption is permitted. The provisions set forth in this guidance, which the Company elected to early adopt in 2018, have been reflected in Note 9 (as applicable) and did not have a significant impact on the Company’s Consolidated Financial Statements.

Simplifying the Accounting for Income Taxes

In December 2019, the FASB amended its standards with respect to income taxes, simplifying the accounting in several areas, including intra-period tax allocation, deferred tax liabilities related to outside basis differences, and year-to-date losses in interim periods, among others. This amendment became effective on January 1, 2021 for People’s United. Currently, this guidance is not expected to have a significant impact on the Company’s Consolidated Financial Statements or related disclosures.

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General (Policies)

3 Months Ended

Mar. 31, 2021

Fair Value Measurement Inputs and Valuation Techniques [Line Items]

Basis of Accounting

In preparing the consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Actual results could differ from management’s current estimates, as a result of changing conditions and future events.

Several accounting estimates are particularly critical and are susceptible to significant near-term change, including the allowance for credit losses (“ACL”) and the recoverability of goodwill and other intangible assets. These accounting estimates are reviewed with the Audit Committee of the Board of Directors.

The judgments used by management in applying critical accounting policies may be affected by economic conditions, which may result in changes to future financial results. For example, subsequent evaluations of the loan portfolio, in light of the factors then prevailing, may result in significant changes in the ACL in future periods, and the inability to collect outstanding principal may result in increased credit losses.

Consolidation

Certain information and footnote disclosures normally included in consolidated financial statements prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) have been omitted or condensed. As a result, the accompanying consolidated financial statements should be read in conjunction with People’s United’s Annual Report on
Form 10-K for the year ended December 31, 2020 (the “2020 Form 10-K”). The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results of operations that may be expected for the entire year or any other interim period.

Note 1 to People’s United’s audited consolidated financial statements included in the 2020 Form 10-K, as supplemented by this Quarterly Report for the period ended March 31, 2021, provides disclosure of People’s United’s significant accounting policies.

People’s United holds ownership interests in limited partnerships formed to develop and operate affordable housing units for lower income tenants throughout its franchise area. The underlying partnerships, which are considered variable interest entities, are not consolidated into the Company’s Consolidated Financial Statements. These investments have historically played a role in enabling People’s United Bank, National Association (the “Bank”) to meet its Community Reinvestment Act requirements while, at the same time, providing federal income tax credits.

Current Expected Credit Loss

Current Expected Credit Losses

On January 1, 2020, the Company adopted new accounting guidance, which requires entities to estimate and recognize an allowance for lifetime expected credit losses for financial assets measured at amortized cost, including loans, held-to-maturity securities and other receivables, as well as certain off-balance sheet credit exposures (the “CECL standard”). Upon adoption of this guidance, a transition adjustment decreasing opening retained earnings by $45.9 million was recorded. The Company did not change its application of the accounting policies with respect to loans or its methodology for determining the ACL during the three months ended March 31, 2021.

People's United Employee Pension and Other Postretirement Plans

People’s United Employee Pension and Other Postretirement Plans

People’s United maintains a qualified noncontributory defined benefit pension plan (the “People’s Qualified Plan”) that covers substantially all full-time and part-time employees who (i) meet certain age and length of service requirements and (ii) were employed by the Bank prior to August 14, 2006. Benefits are based upon the employee’s years of credited service and either the average compensation for the last five years or the average compensation for the five consecutive years of the last
ten years that produce the highest average.

New employees of the Bank starting on or after August 14, 2006 are not eligible to participate in the People’s Qualified Plan. Instead, the Bank makes contributions on behalf of these employees to a qualified defined contribution plan in an annual amount equal to 3% of the employee’s eligible compensation. Employee participation in this plan is restricted to employees who (i) are at least 18 years of age and (ii) worked at least 1,000 hours in a year. Both full-time and part-time employees are eligible to participate as long as they meet these requirements.

In July 2011, the Bank amended the People’s Qualified Plan to “freeze”, effective December 31, 2011, the accrual of pension benefits for People’s Qualified Plan participants. As such, participants will not earn any additional benefits after that date. Instead, effective January 1, 2012, the Bank began making contributions on behalf of these participants to a qualified defined contribution plan in an annual amount equal to 3% of the employee’s eligible compensation.

In addition to the People’s Qualified Plan, People’s United continues to maintain the qualified defined benefit pension plan that covers former United Financial Bancorp, Inc. employees who meet certain eligibility requirements (the “United Financial Qualified Plan”). All benefits under this plan were frozen effective December 31, 2012. Effective March 31, 2021, the United Financial Qualified Plan was merged into the People's Qualified Plan.

People’s United’s funding policy is to contribute the amounts required by applicable regulations, although additional amounts may be contributed from time to time.

People’s United also maintains (i) unfunded, nonqualified supplemental plans to provide retirement benefits to certain senior officers (the “People’s Supplemental Plans”) and (ii) an unfunded plan that provides retirees with optional medical, dental and life insurance benefits (the “People’s Postretirement Plan”). People’s United accrues the cost of these postretirement benefits over the employees’ years of service to the date of their eligibility for such benefit. People’s United also continues to maintain: (1) for certain eligible former First Connecticut Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “First Connecticut Supplemental Plan”) and (ii) unfunded plans that provide medical, dental and life insurance benefits (the “First Connecticut Postretirement Plans”); (2) for certain eligible former BSB Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “BSB Bancorp Supplemental Plan”) and (ii) unfunded plans that provide life insurance benefits (the “BSB Bancorp Post Retirement Welfare (Life Insurance) Plan”); and (3) for certain former United Financial Bancorp, Inc. employees (i) an unfunded, nonqualified supplemental retirement plan (the “United Financial Supplemental Plan”) and (ii) unfunded plans that provide medical, dental and life insurance benefits (the “United Financial Postretirement Benefit Plan”).

Employee Stock Ownership Plan

Employee Stock Ownership Plan

In April 2007, People’s United established an ESOP. At that time, People’s United loaned the ESOP $216.8 million to purchase 10,453,575 shares of People’s United common stock in the open market. In order for the ESOP to repay the loan, People’s United expects to make annual cash contributions of approximately $18.8 million until 2036. Such cash contributions may be reduced by the cash dividends paid on unallocated ESOP shares, which, for the three months ended March 31, 2021, totaled $1.0 million. At March 31, 2021, the loan balance totaled $166.7 million.

Employee participation in this plan is restricted to those employees who (i) are at least 18 years of age and (ii) worked at least 1,000 hours within 12 months of their hire date or any plan year (January 1 to December 31) after their date of hire. Employees meeting the aforementioned eligibility criteria during the plan year must continue to be employed as of the last day of the plan year in order to receive an allocation of shares for that plan year.

Shares of People’s United common stock are held by the ESOP and allocated to eligible participants annually based upon a percentage of each participant’s eligible compensation. Since the ESOP was established, a total of 4,965,448 shares of People’s United common stock have been allocated or committed to be released to participants’ accounts. At March 31, 2021, 5,488,127 shares of People’s United common stock, with a fair value of $98.2 million at that date, have not been allocated or committed to be released.

Compensation expense related to the ESOP is recognized at an amount equal to the number of common shares committed to be released by the ESOP for allocation to participants’ accounts multiplied by the average fair value of People’s United’s common stock during the reporting period. The difference between the fair value of the shares of People’s United’s common stock committed to be released and the cost of those common shares is recorded as a credit to additional paid-in capital (if fair value exceeds cost) or, to the extent that no such credits remain in additional paid-in capital, as a charge to retained earnings (if fair value is less than cost). Expense recognized for the ESOP totaled $1.4 million and $1.2 million for the three months ended March 31, 2021 and 2020, respectively

New Accounting Standards

Reference Rate Reform

In 2017, the United Kingdom’s Financial Conduct Authority announced that it will cease to compel its panel banks to submit London Interbank Offered Rate (“LIBOR”) rates after December 31, 2021 as a result of the steadily decreasing number of transaction-based borrowing observations between banks in interbank funding markets. LIBOR is widely used by the Company as it serves as the primary index rate for approximately 46% of its loan portfolio. As a result of LIBOR cessation, a Company-wide initiative was introduced to assess all applicable loan, deposit and borrowing categories, and develop a comprehensive plan for the transition away from LIBOR. The Company expects to follow recommendations from the Federal Reserve’s Alternative Reference Rate Committee and the International Swaps and Derivatives Association, along with
industry-led solutions, in establishing a replacement index, or indices, for LIBOR.

In March 2020, the Financial Accounting Standards Board (the “FASB”) issued a new standard providing temporary optional expedients and exceptions to existing U.S. GAAP on contract modifications and hedge accounting in order to ease the financial reporting burdens associated with transitioning away from LIBOR and other interbank offered rates to acceptable alternative rates. Under the new guidance, an entity can elect, by accounting topic or industry subtopic, to account for the modification of a contract affected by reference rate reform as a continuation of the existing contract, if certain conditions are met. In addition, the new guidance allows an entity to elect, on a hedge-by-hedge basis, to continue to apply hedge accounting for hedging relationships in which the critical terms change due to reference rate reform, if certain conditions are met. A
one-time election to sell and/or transfer held-to-maturity debt securities that reference a rate affected by reference rate reform is also permitted under the new guidance. While the standard is effective upon issuance, the Company continues to evaluate the impact and which optional expedients and exceptions might be elected. These optional elections will generally cease to apply to contract modifications or existing hedging relationships after December 31, 2022.

In November 2020, the Federal banking agencies issued a statement encouraging banks that enter into new financial contracts prior to December 31, 2021 to utilize a reference rate other than LIBOR and to include robust fallback language that specifies a clearly defined alternative reference rate after LIBOR's discontinuation. People’s United began incorporating recent ISDA-derived LIBOR fallback language in new LIBOR-based interest rate swap transactions effective after January 25, 2021. Bank-wide efforts to transition from LIBOR-based originations to alternate indices prior to December 31, 2021 are continuing, including upgrades and enhancements to certain Bank systems. Separately, the agencies indicated that a bank may use any reference rate for its loans that the bank determines to be appropriate for its funding model and customer needs.

In January 2021, the FASB issued clarifying guidance regarding the scope of the optional relief for reference rate reform contemplated in its March 2020 standard. This guidance permits entities to apply certain of the optional practical expedients and exceptions included in its March 2020 standard to the accounting for derivative contracts and hedging activities that may be affected by changes in interest rates used for discounting cash flows, computing variation margin settlements and calculating price alignment interest (the “discounting transition”). These optional practical expedients and exceptions may be applied to derivative instruments impacted by the discounting transition even if such instruments do not reference a rate that is expected to be discontinued. This guidance is effective immediately and an entity may elect to apply the amendments as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020 or on a prospective basis to new modifications from any date within an interim period that includes or is subsequent to January 7, 2021, up to the date that financial statements are available to be issued.

Disclosure Requirements – Defined Benefit Plans

In August 2018, the FASB issued targeted amendments that serve to make minor changes to the disclosure requirements for employers that sponsor defined benefit pension and/or other postretirement benefit plans. More specifically, the amendments (i) remove disclosures that are no longer considered cost beneficial; (ii) clarify the specific requirements of selected disclosures; and (iii) add disclosure requirements identified as relevant. These amendments are effective for fiscal years ending after December 15, 2020 (January 1, 2021 for People’s United) and early adoption is permitted. The provisions set forth in this guidance, which the Company elected to early adopt in 2018, have been reflected in Note 9 (as applicable) and did not have a significant impact on the Company’s Consolidated Financial Statements.

Simplifying the Accounting for Income Taxes

In December 2019, the FASB amended its standards with respect to income taxes, simplifying the accounting in several areas, including intra-period tax allocation, deferred tax liabilities related to outside basis differences, and year-to-date losses in interim periods, among others. This amendment became effective on January 1, 2021 for People’s United. Currently, this guidance is not expected to have a significant impact on the Company’s Consolidated Financial Statements or related disclosures.

Recurring

Fair Value Measurement Inputs and Valuation Techniques [Line Items]

Fair Value Measurements

Recurring Fair Value Measurements

Trading Debt Securities, Equity Securities and Debt Securities Available-For-Sale

When available, People’s United uses quoted market prices for identical securities received from an independent, nationally-recognized, third-party pricing service (as discussed further below) to determine the fair value of investment securities such as U.S. Treasury and agency securities and equity securities that are included in Level 1. When quoted market prices for identical securities are unavailable, People’s United uses prices provided by the independent pricing service based on recent trading activity and other observable information including, but not limited to, market interest rate curves, referenced credit spreads and estimated prepayment rates where applicable. These investments include certain U.S. and government agency debt securities, corporate and municipal debt securities, and GSE mortgage-backed and CMO securities, all of which are included in Level 2.

The Company’s debt securities available-for-sale are primarily comprised of GSE mortgage-backed securities. The fair

value of these securities is based on prices obtained from the independent pricing service. The pricing service uses various

techniques to determine pricing for the Company’s mortgage-backed securities, including option pricing and discounted cash

flow analysis. The inputs include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, benchmark securities,

bids, offers, reference data, monthly payment information and collateral performance. At both March 31, 2021 and
December 31, 2020, the mortgage-backed securities available-for-sale portfolio was entirely comprised of GSE
mortgage-backed and CMO securities with original final maturities ranging from 7 to 40 years. An active market exists for securities that are similar to the Company’s GSE mortgage-backed and CMO securities, making observable inputs readily available.

Nonrecurring

Fair Value Measurement Inputs and Valuation Techniques [Line Items]

Fair Value Measurements

Non-Recurring Fair Value Measurements

The valuation techniques and inputs used by People’s United for those assets measured at fair value on a non-recurring basis, excluding goodwill, are described below.

Loans Held-for-Sale

Loans held-for-sale are recorded at the lower of amortized cost or fair value and are therefore measured at fair value on a non-recurring basis. When available, People’s United uses observable secondary market data, including pricing on recent closed market transactions for loans with similar characteristics. Accordingly, such loans are classified as Level 2 measurements. When observable data is unavailable, valuation methodologies using current market interest rate data adjusted for inherent credit risk are used, and such loans are included in Level 3.

Collateral Dependent Loans

The Company’s approach to determining the fair value of collateral dependent loans is described in Note 3, “Loans”.

People’s United has estimated the fair values of these assets using Level 3 inputs, such as discounted cash flows based on inputs that are largely unobservable and, instead, reflect management’s own estimates of the assumptions a market participant would use in pricing such loans and/or the fair value of collateral based on independent third-party appraisals for collateral dependent loans. Such appraisals are based on the market and/or income approach to value and are subject to a discount (to reflect estimated cost to sell) that generally approximates 10%.

REO and Repossessed Assets

REO and repossessed assets are recorded at the lower of cost or fair value, less estimated selling costs, and are therefore measured at fair value on a non-recurring basis. People’s United has estimated the fair values of these assets using Level 3 inputs, such as independent third-party appraisals and price opinions. Such appraisals are based on the market and/or income approach to value and are subject to a discount (to reflect estimated cost to sell) that generally approximates 10%. Assets that are acquired through loan default are recorded as held-for-sale initially at the lower of the recorded investment in the loan or fair value (less estimated selling costs) upon the date of foreclosure/repossession. Subsequent to foreclosure/repossession, valuations are updated periodically and the carrying amounts of these assets may be reduced further.

Mortgage Servicing Rights

Mortgage servicing rights are evaluated for impairment based upon the fair value of the servicing rights as compared to their amortized cost. The fair value of mortgage servicing rights is based on a valuation model that calculates the present value of estimated net servicing income. This model incorporates certain assumptions that market participants would likely use in estimating future net servicing income, such as interest rates, prepayment speeds and the cost to service (including delinquency and foreclosure costs), all of which require a degree of management judgment. Adjustments are only recorded when the discounted cash flows derived from the valuation model are less than the carrying value of the asset. As such, mortgage servicing rights are subject to measurement at fair value on a non-recurring basis and are classified as Level 3 assets.

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Cash and Cash Equivalents and Securities (Tables)

3 Months Ended

Mar. 31, 2021

Cash and Cash Equivalents [Abstract]

Available-for-Sale and Held-to-Maturity Debt Securities Gains (Losses)

The amortized cost, ACL, gross unrealized gains and losses, and fair value of People’s United’s debt securities
available-for-sale and debt securities held-to-maturity are as follows:

As of March 31, 2021 (in millions)	Amortized Cost		ACL		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available-for-sale:
U.S. Treasury and agency	$	529.3	$	—	$	9.9	$	—	$	539.2
GSE (1) mortgage-backed and    CMO (2) securities	5,654.5		—		83.5		(116.6)		5,621.4
Total debt securities    available-for-sale	$	6,183.8	$	—	$	93.4	$	(116.6)	$	6,160.6
Debt securities held-to-maturity:
State and municipal	$	2,916.1	$	(0.1)	$	190.7	$	(6.2)	$	3,100.5
GSE mortgage-backed securities	1,011.0		—		32.3		—		1,043.3
Corporate	89.8		(1.5)		2.0		(0.1)		90.2
Other	1.5		—		—		—		1.5
Total debt securities    held-to-maturity	$	4,018.4	$	(1.6)	$	225.0	$	(6.3)	$	4,235.5

(1)Government sponsored enterprise

(2)Collateralized mortgage obligation

As of December 31, 2020 (in millions)	Amortized Cost		ACL		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available-for-sale:
U.S. Treasury and agency	$	529.8	$	—	$	11.8	$	—	$	541.6
GSE mortgage-backed and    CMO securities	4,274.7		—		110.9		(1.7)		4,383.9
Total debt securities    available-for-sale	$	4,804.5	$	—	$	122.7	$	(1.7)	$	4,925.5
Debt securities held-to-maturity:
State and municipal	$	2,824.3	$	(0.1)	$	236.0	$	—	$	3,060.2
GSE mortgage-backed securities	1,079.9		—		36.4		—		1,116.3
Corporate	89.7		(1.5)		1.0		(0.2)		89.0
Other	1.5		—		—		—		1.5
Total debt securities    held-to-maturity	$	3,995.4	$	(1.6)	$	273.4	$	(0.2)	$	4,267.0

Summary of Activity in ACL on Held-To-Maturity Securities

The following table summarizes changes in the ACL on debt securities held-to-maturity for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021						2020
(in millions)	Corporate		State and municipal		Total		Corporate		State and municipal		Total
Balance at beginning of period	$	1.5	$	0.1	$	1.6	$	—	$	—	$	—
CECL transition adjustment	—		—		—		1.8		0.1		1.9
Balance at beginning of period, adjusted	1.5		0.1		1.6		1.8		0.1		1.9
Provision charged (credited) to income	—		—		—		—		—		—
Balance at end of period	$	1.5	$	0.1	$	1.6	$	1.8	$	0.1	$	1.9

Summary of debt securities, held to maturity, credit quality

The tables below indicate the credit profile of the Company’s debt securities held-to-maturity at amortized cost:

As of March 31, 2021 (in millions)	Investment Grade		Non-Investment Grade		Total
State and municipal	$	2,916.0	$	0.1	$	2,916.1
GSE mortgage-backed securities	1,011.0		—		1,011.0
Corporate	84.8		5.0		89.8
Other	1.5		—		1.5
Total	$	4,013.3	$	5.1	$	4,018.4
As of December 31, 2020 (in millions)	Investment Grade		Non-Investment Grade		Total
State and municipal	$	2,824.1	$	0.2	$	2,824.3
GSE mortgage-backed securities	1,079.9		—		1,079.9
Corporate	84.7		5.0		89.7
Other	1.5		—		1.5
Total	$	3,990.2	$	5.2	$	3,995.4

Continuous Unrealized Loss Position on Available-for-Sale and Held-to-Maturity Securities

The following tables summarize those debt securities available-for-sale with unrealized losses classified as to the length of time the losses have existed and for which no ACL has been recognized.

	Continuous Unrealized Loss Position
	Less Than 12 Months				12 Months Or Longer				Total
As of March 31, 2021 (in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Debt securities available-for-sale:
GSE mortgage-backed and CMO    securities	$	3,142.2	$	(116.6)	$	—	$	—	$	3,142.2	$	(116.6)
Total	$	3,142.2	$	(116.6)	$	—	$	—	$	3,142.2	$	(116.6)

	Continuous Unrealized Loss Position
	Less Than 12 Months				12 Months Or Longer				Total
As of December 31, 2020 (in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Debt securities available-for-sale:
GSE mortgage-backed and CMO    securities	$	225.5	$	(1.7)	$	—	$	—	$	225.5	$	(1.7)
Total	$	225.5	$	(1.7)	$	—	$	—	$	225.5	$	(1.7)

Summary of Amortized Cost and Fair Value of Debt Securities Based on Remaining Period to Contractual Maturity

The following table is a summary of the amortized cost and fair value of debt securities as of March 31, 2021, based on remaining period to contractual maturity. Information for GSE mortgage-backed and CMO securities is based on the final contractual maturity dates without considering repayments and prepayments.

	Available-for-Sale				Held-to-Maturity
(in millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
U.S. Treasury and agency:
Within 1 year	$	86.3	$	87.0	$	—	$	—
After 1 but within 5 years	443.0		452.2		—		—
Total	529.3		539.2		—		—
GSE mortgage-backed and CMO securities:
Within 1 year	11.7		11.8		—		—
After 1 but within 5 years	122.9		129.0		816.9		842.3
After 5 but within 10 years	1,481.8		1,500.5		194.1		201.0
After 10 years	4,038.1		3,980.1		—		—
Total	5,654.5		5,621.4		1,011.0		1,043.3
State and municipal:
Within 1 year	—		—		9.5		9.6
After 1 but within 5 years	—		—		279.7		292.2
After 5 but within 10 years	—		—		651.2		700.0
After 10 years	—		—		1,975.7		2,098.7
Total	—		—		2,916.1		3,100.5
Corporate:
Within 1 year	—		—		1.0		1.1
After 1 but within 5 years	—		—		14.8		14.8
After 5 but within 10 years	—		—		74.0		74.3
Total	—		—		89.8		90.2
Other:
After 1 but within 5 years	—		—		1.5		1.5
Total	—		—		1.5		1.5
Total:
Within 1 year	98.0		98.8		10.5		10.7
After 1 but within 5 years	565.9		581.2		1,112.9		1,150.8
After 5 but within 10 years	1,481.8		1,500.5		919.3		975.3
After 10 years	4,038.1		3,980.1		1,975.7		2,098.7
Total	$	6,183.8	$	6,160.6	$	4,018.4	$	4,235.5

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Loans (Tables)

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Summary of Loans by Loan Portfolio Segment and Class

The following table summarizes People’s United’s loans by loan portfolio segment and class:

(in millions)	March 31, 2021		December 31, 2020
Commercial:
Commercial real estate (1)	$	13,520.1	$	13,336.9
Commercial and industrial (1)	10,494.2		10,764.1
Equipment financing	4,927.2		4,930.0
MW/ABL	3,794.0		4,218.2
Total Commercial Portfolio	32,735.5		33,249.2
Retail:
Residential mortgage:
Adjustable-rate	5,105.4		5,517.3
Fixed-rate	2,961.8		3,001.6
Total residential mortgage	8,067.2		8,518.9
Home equity and other consumer:
Home equity	1,873.9		1,997.2
Other consumer	93.1		104.2
Total home equity and other consumer	1,967.0		2,101.4
Total Retail Portfolio	10,034.2		10,620.3
Total loans	$	42,769.7	$	43,869.5

(1)In the first quarter of 2021, the Company completed a portfolio review to ensure consistent classification of certain commercial loans across the Company's franchise and conformity to industry practice for such loans. As a result, approximately $350 million of loans secured by non-owner-occupied commercial properties were prospectively reclassified, in March 2021, from commercial and industrial loans to commercial real estate loans. Prior period balances were not restated to conform to the current presentation.

Summary of Aging Information by Class of Loan

The following tables summarize aging information by class of loan:

			Past Due
As of March 31, 2021 (in millions)	Current		30-89 Days		90 Days or More		Total		Total
Commercial:
Commercial real estate	$	13,442.1	$	25.9	$	52.1	$	78.0	$	13,520.1
Commercial and industrial	10,438.7		5.4		50.1		55.5		10,494.2
Equipment financing	4,854.7		57.2		15.3		72.5		4,927.2
MW/ABL	3,794.0		—		—		—		3,794.0
Total	32,529.5		88.5		117.5		206.0		32,735.5
Retail:
Residential mortgage	8,007.6		24.8		34.8		59.6		8,067.2
Home equity	1,859.7		4.6		9.6		14.2		1,873.9
Other consumer	92.4		0.5		0.2		0.7		93.1
Total	9,959.7		29.9		44.6		74.5		10,034.2
Total loans	$	42,489.2	$	118.4	$	162.1	$	280.5	$	42,769.7

			Past Due
As of December 31, 2020 (in millions)	Current		30-89 Days		90 Days or More		Total		Total
Commercial:
Commercial real estate	$	13,283.2	$	27.3	$	26.4	$	53.7	$	13,336.9
Commercial and industrial	10,694.9		17.3		51.9		69.2		10,764.1
Equipment financing	4,846.8		64.0		19.2		83.2		4,930.0
MW/ABL	4,218.2		—		—		—		4,218.2
Total	33,043.1		108.6		97.5		206.1		33,249.2
Retail:
Residential mortgage	8,447.9		32.2		38.8		71.0		8,518.9
Home equity	1,977.3		8.4		11.5		19.9		1,997.2
Other consumer	103.4		0.7		0.1		0.8		104.2
Total	10,528.6		41.3		50.4		91.7		10,620.3
Total loans	$	43,571.7	$	149.9	$	147.9	$	297.8	$	43,869.5

Summarized Recorded Investments, by Class of Loan, in Originated Non-Performing Loans

The recorded investment in non-accrual loans, by class of loan and year of origination, is summarized as follows:

	Non-Accrual Loans
As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total		Non-Accrual Loans With No ACL
Commercial:
Commercial real estate	$	—	$	—	$	8.5	$	33.1	$	2.6	$	44.0	$	0.3	$	1.7	$	90.2	$	16.3
Commercial and industrial	0.3		—		3.4		2.5		15.9		28.5		5.6		12.0		68.2		28.1
Equipment financing	0.1		16.5		28.9		25.9		28.4		18.3		—		—		118.1		0.6
MW/ABL	—		—		—		—		—		—		—		1.0		1.0		—
Total (1)	0.4		16.5		40.8		61.5		46.9		90.8		5.9		14.7		277.5		45.0
Retail:
Residential mortgage	—		—		2.5		3.9		1.4		49.1		—		—		56.9		26.9
Home equity	—		—		—		0.3		0.5		2.5		—		15.4		18.7		6.9
Other consumer	—		—		—		—		0.1		—		—		0.1		0.2		—
Total (2)	—		—		2.5		4.2		2.0		51.6		—		15.5		75.8		33.8
Total	$	0.4	$	16.5	$	43.3	$	65.7	$	48.9	$	142.4	$	5.9	$	30.2	$	353.3	$	78.8

	Non-Accrual Loans
As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total		Non-Accrual Loans With No ACL
Commercial:
Commercial real estate	$	—	$	8.6	$	9.7	$	2.8	$	1.9	$	35.4	$	0.2	$	1.8	$	60.4	$	10.9
Commercial and industrial	0.2		3.1		2.3		16.2		13.4		17.5		15.5		7.2		75.4		27.8
Equipment financing	16.4		27.4		25.3		25.5		7.8		6.9		—		—		109.3		0.6
MW/ABL	—		—		—		—		—		—		—		1.0		1.0		—
Total (1)	16.6		39.1		37.3		44.5		23.1		59.8		15.7		10.0		246.1		39.3
Retail:
Residential mortgage	—		2.9		3.9		1.8		2.6		51.1		—		—		62.3		28.3
Home equity	—		—		0.4		0.1		0.6		2.8		—		16.6		20.5		7.9
Other consumer	—		0.1		—		0.1		—		—		—		—		0.2		—
Total (2)	—		3.0		4.3		2.0		3.2		53.9		—		16.6		83.0		36.2
Total	$	16.6	$	42.1	$	41.6	$	46.5	$	26.3	$	113.7	$	15.7	$	26.6	$	329.1	$	75.5

(1)Reported net of government guarantees totaling $2.5 million at both March 31, 2021 and December 31, 2020. These government guarantees relate, almost entirely, to guarantees provided by the SBA as well as selected other Federal agencies and represent the carrying value of the loans that are covered by such guarantees, the extent of which (i.e. full or partial) varies by loan. At March 31, 2021, the principal loan classes to which these government guarantees relate are commercial and industrial loans (95%) and commercial real estate loans (5%).

(2)Includes $23.2 million and $23.6 million of loans in the process of foreclosure at March 31, 2021 and
December 31, 2020, respectively.

Summary of Recorded Investments in TDRs by Class of Loan

The following tables summarize, by class of loan, the recorded investments in loans modified as TDRs during the three months ended March 31, 2021 and 2020. For purposes of this disclosure, recorded investments represent amounts immediately prior to and subsequent to the restructuring.

	Three Months Ended March 31, 2021
(dollars in millions)	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial:
Commercial real estate (1)	3	$	13.2	$	13.2
Commercial and industrial (2)	5	2.7		2.7
Equipment financing (3)	5	1.3		1.3
MW/ABL (4)	1	0.7		0.7
Total	14	17.9		17.9
Retail:
Residential mortgage (5)	17	6.1		6.1
Home equity (6)	22	1.5		1.5
Other consumer	—	—		—
Total	39	7.6		7.6
Total	53	$	25.5	$	25.5

(1)Represents the following concessions: extension of term (1 contract; recorded investment of $0.4 million) or a combination of concessions (2 contracts; recorded investment of $12.8 million).

(2)Represents the following concessions: extension of term (4 contracts; recorded investment of $2.6 million); or a combination of concessions (1 contract; recorded investment of $0.1 million).

(3)Represents the following concessions: extension of term (4 contracts; recorded investment of $0.5 million); or a combination of concessions (1 contract; recorded investment of $0.8 million).

(4)Represents the following concessions: extension of term (1 contract; recorded investment of $0.7 million).

(5)Represents the following concessions: loans restructured through bankruptcy (3 contracts; recorded investment of $0.2 million); reduced payment and/or payment deferral (9 contracts; recorded investment of $3.0 million); or a combination of concessions (5 contracts; recorded investment of $2.9 million).

(6)Represents the following concessions: loans restructured through bankruptcy (1 contract; recorded investment of $0.1 million); reduced payment and/or payment deferral (6 contracts; recorded investment of $0.4 million); or a combination of concessions (15 contracts; recorded investment of $1.0 million).

	Three Months Ended March 31, 2020
(dollars in millions)	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial:
Commercial real estate (1)	5	$	3.7	$	3.7
Commercial and industrial (2)	10	9.0		9.0
Equipment financing (3)	9	3.1		3.1
MW/ABL	—	—		—
Total	24	15.8		15.8
Retail:
Residential mortgage (4)	13	6.2		6.2
Home equity (5)	17	2.1		2.1
Other consumer	—	—		—
Total	30	8.3		8.3
Total	54	$	24.1	$	24.1

(1)Represents the following concessions: extension of term (4 contracts; recorded investment of $3.2 million); or reduced payment and/or payment deferral (1 contract; recorded investment of $0.5 million).

(2)Represents the following concessions: extension of term (5 contracts; recorded investment of $7.4 million); reduced payment and/or payment deferral (1 contract; recorded investment of $0.3 million); or a combination of concessions
(4 contracts; recorded investment of $1.3 million).

(3)Represents the following concessions: extension of term (1 contract; recorded investment of $1.2 million); reduced payment and/or payment deferral (5 contracts; recorded investment of $0.5 million); or a combination of concessions
(3 contracts; recorded investment of $1.4 million).

(4)Represents the following concessions: loans restructured through bankruptcy (3 contracts; recorded investment of $0.6 million); reduced payment and/or payment deferral (9 contracts; recorded investment of $5.5 million); or a combination of concessions (1 contract; recorded investment of $0.1 million).

(5)Represents the following concessions: loans restructured through bankruptcy (5 contracts; recorded investment of $0.5 million); reduced payment and/or payment deferral (1 contract; recorded investment of $0.1 million); or a combination of concessions (11 contracts; recorded investment of $1.5 million).

Summary of Recorded Investments in TDRs by Class of Loan, Subsequently Defaulted

The following is a summary, by class of loan, of information related to TDRs completed within the previous 12 months that subsequently defaulted during the three months ended March 31, 2021 and 2020. For purposes of this disclosure, the previous 12 months is measured from April 1 of the respective prior year and a default represents a previously-modified loan that became past due 30 days or more during the three months ended March 31, 2021 or 2020.

	Three Months Ended March 31,
	2021			2020
(dollars in millions)	Number of Contracts	Recorded Investment as of Period End		Number of Contracts	Recorded Investment as of Period End
Commercial:
Commercial real estate	—	$	—	—	$	—
Commercial and industrial	—	—		1	0.1
Equipment financing	5	0.7		4	2.5
MW/ABL	—	—		—	—
Total	5	0.7		5	2.6
Retail:
Residential mortgage	3	2.1		3	1.3
Home equity	—	—		1	—
Other consumer	—	—		—	—
Total	3	2.1		4	1.3
Total	8	$	2.8	9	$	3.9

Summary of Credit Quality Indicators by Class of Loan

The following tables present Commercial loan risk ratings, by class of loan and year of origination:

As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Commercial real    estate:
Pass	$	188.4	$	902.4	$	1,919.8	$	1,506.1	$	1,277.1	$	5,895.1	$	158.4	$	24.3	$	11,871.6
Special Mention	—		78.4		105.7		224.5		157.3		460.7		1.4		—		1,028.0
Substandard	1.0		12.4		28.8		116.6		81.0		372.7		3.1		4.2		619.8
Doubtful	—		—		—		—		—		0.7		—		—		0.7
Total	$	189.4	$	993.2	$	2,054.3	$	1,847.2	$	1,515.4	$	6,729.2	$	162.9	$	28.5	$	13,520.1
Commercial and    industrial:
Pass	$	1,256.8	$	2,197.8	$	987.0	$	679.7	$	501.3	$	1,884.3	$	1,877.0	$	64.2	$	9,448.1
Special Mention	3.0		76.5		55.1		50.6		128.2		178.3		60.0		5.6		557.3
Substandard	2.3		15.1		90.0		59.9		54.1		160.6		83.1		20.9		486.0
Doubtful	—		—		0.4		—		—		2.3		—		0.1		2.8
Total	$	1,262.1	$	2,289.4	$	1,132.5	$	790.2	$	683.6	$	2,225.5	$	2,020.1	$	90.8	$	10,494.2
Equipment financing:
Pass	$	493.4	$	1,557.4	$	1,225.0	$	636.2	$	299.8	$	178.4	$	—	$	—	$	4,390.2
Special Mention	6.6		21.5		25.4		11.1		5.1		1.0		—		—		70.7
Substandard	35.6		155.2		122.8		78.1		43.0		31.6		—		—		466.3
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	535.6	$	1,734.1	$	1,373.2	$	725.4	$	347.9	$	211.0	$	—	$	—	$	4,927.2
MW/ABL:
Pass	$	12.4	$	94.3	$	17.3	$	16.6	$	7.8	$	35.0	$	3,540.5	$	—	$	3,723.9
Special Mention	—		—		6.8		—		—		—		44.7		—		51.5
Substandard	—		—		—		—		—		—		17.6		1.0		18.6
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	12.4	$	94.3	$	24.1	$	16.6	$	7.8	$	35.0	$	3,602.8	$	1.0	$	3,794.0

As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Commercial real    estate:
Pass	$	848.5	$	1,743.2	$	1,490.4	$	1,397.8	$	1,274.2	$	5,039.3	$	165.8	$	19.7	$	11,978.9
Special Mention	28.5		72.9		225.6		131.2		58.9		362.7		0.5		—		880.3
Substandard	12.0		26.7		63.3		51.9		63.2		252.7		2.8		4.2		476.8
Doubtful	—		—		—		—		—		0.9		—		—		0.9
Total	$	889.0	$	1,842.8	$	1,779.3	$	1,580.9	$	1,396.3	$	5,655.6	$	169.1	$	23.9	$	13,336.9
Commercial and    industrial:
Pass	$	2,952.8	$	1,236.9	$	821.9	$	527.1	$	487.2	$	1,588.5	$	1,949.1	$	77.4	$	9,640.9
Special Mention	113.9		41.7		46.4		120.3		57.1		122.1		80.8		6.3		588.6
Substandard	27.0		86.3		84.2		47.6		29.8		141.2		97.7		18.4		532.2
Doubtful	—		—		—		—		0.8		1.5		—		0.1		2.4
Total	$	3,093.7	$	1,364.9	$	952.5	$	695.0	$	574.9	$	1,853.3	$	2,127.6	$	102.2	$	10,764.1
Equipment financing:
Pass	$	1,703.3	$	1,358.7	$	727.2	$	362.1	$	155.5	$	67.1	$	—	$	—	$	4,373.9
Special Mention	20.5		27.5		16.7		7.3		4.2		1.5		—		—		77.7
Substandard	169.9		137.5		87.7		49.8		17.9		15.6		—		—		478.4
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	1,893.7	$	1,523.7	$	831.6	$	419.2	$	177.6	$	84.2	$	—	$	—	$	4,930.0
MW/ABL:
Pass	$	99.4	$	18.6	$	18.3	$	8.8	$	14.1	$	19.6	$	3,994.3	$	—	$	4,173.1
Special Mention	—		6.9		—		—		—		—		20.5		—		27.4
Substandard	—		1.7		—		—		—		—		15.0		1.0		17.7
Doubtful	—		—		—		—		—		—		—		—		—
Total	$	99.4	$	27.2	$	18.3	$	8.8	$	14.1	$	19.6	$	4,029.8	$	1.0	$	4,218.2

The following tables present Retail loan risk classification, by class of loan and year of origination:

As of March 31, 2021 (in millions)	2021		2020		2019		2018		2017		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Residential mortgage:
Low Risk	$	95.1	$	695.7	$	332.8	$	300.8	$	457.7	$	2,567.1	$	—	$	—	$	4,449.2
Moderate Risk	144.7		770.5		405.1		364.9		417.1		857.7		—		—		2,960.0
High Risk	41.2		61.0		43.1		84.2		96.8		331.7		—		—		658.0
Total	$	281.0	$	1,527.2	$	781.0	$	749.9	$	971.6	$	3,756.5	$	—	$	—	$	8,067.2
Home equity:
Low Risk	$	0.2	$	1.9	$	6.6	$	18.2	$	22.0	$	34.1	$	560.2	$	45.5	$	688.7
Moderate Risk	0.4		0.4		3.4		9.6		10.0		17.9		485.2		46.0		572.9
High Risk	0.5		2.4		19.3		33.4		19.8		24.1		379.7		133.1		612.3
Total	$	1.1	$	4.7	$	29.3	$	61.2	$	51.8	$	76.1	$	1,425.1	$	224.6	$	1,873.9
Other consumer:
Low Risk	$	0.5	$	0.7	$	1.6	$	1.5	$	0.9	$	3.0	$	11.2	$	0.2	$	19.6
Moderate Risk	—		—		—		—		—		0.1		3.9		0.1		4.1
High Risk	1.3		4.6		22.8		14.9		1.8		8.5		15.3		0.2		69.4
Total	$	1.8	$	5.3	$	24.4	$	16.4	$	2.7	$	11.6	$	30.4	$	0.5	$	93.1

As of December 31, 2020 (in millions)	2020		2019		2018		2017		2016		Prior		Revolving Loans		Revolving Loans Converted to Term		Total
Residential mortgage:
Low Risk	$	609.5	$	349.1	$	338.3	$	504.0	$	1,004.6	$	1,793.8	$	—	$	—	$	4,599.3
Moderate Risk	752.5		456.8		443.9		517.5		520.2		519.8		—		—		3,210.7
High Risk	81.2		60.4		95.0		109.6		86.6		276.1		—		—		708.9
Total	$	1,443.2	$	866.3	$	877.2	$	1,131.1	$	1,611.4	$	2,589.7	$	—	$	—	$	8,518.9
Home equity:
Low Risk	$	1.9	$	7.4	$	21.1	$	24.6	$	10.7	$	25.8	$	580.0	$	42.9	$	714.4
Moderate Risk	0.6		3.7		9.2		12.2		6.6		13.4		520.0		45.3		611.0
High Risk	2.8		21.8		38.1		22.0		7.5		18.8		415.7		145.1		671.8
Total	$	5.3	$	32.9	$	68.4	$	58.8	$	24.8	$	58.0	$	1,515.7	$	233.3	$	1,997.2
Other consumer:
Low Risk	$	0.9	$	1.7	$	1.7	$	0.9	$	0.4	$	2.7	$	11.4	$	0.1	$	19.8
Moderate Risk	—		—		—		—		—		0.1		4.8		0.1		5.0
High Risk	5.5		27.3		17.9		2.3		1.0		8.5		16.8		0.1		79.4
Total	$	6.4	$	29.0	$	19.6	$	3.2	$	1.4	$	11.3	$	33.0	$	0.3	$	104.2

The following table is a summary of revolving loans that converted to term during the three months ended
March 31, 2021:

	Three Months Ended
(in millions)	March 31, 2021
Commercial:
Commercial real estate	$	5.6
Commercial and industrial	17.7
Equipment financing	—
MW/ABL	—
Total	23.3
Retail:
Residential mortgage	—
Home equity	11.8
Other consumer	0.1
Total	11.9
Total	$	35.2

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Allowance For Credit Losses (Tables)

3 Months Ended

Mar. 31, 2021

Allowance for Credit Loss [Abstract]

Summary, by Loan Portfolio Segment, of Activity in Allowance for Loan Losses

The following table presents a summary, by loan portfolio segment, of activity in the ACL for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021						2020
(in millions)	Commercial		Retail		Total		Commercial		Retail		Total
Balance at beginning of period	$	303.6	$	121.5	$	425.1	$	217.9	$	28.7	$	246.6
CECL transition adjustment	—		—		—		(17.3)		89.5		72.2
Balance at beginning of period, adjusted	303.6		121.5		425.1		200.6		118.2		318.8
Charge-offs	(16.6)		(1.2)		(17.8)		(9.7)		(2.9)		(12.6)
Recoveries	4.1		1.3		5.4		1.4		0.6		2.0
Net loan charge-offs	(12.5)		0.1		(12.4)		(8.3)		(2.3)		(10.6)
Provision for credit losses	(40.1)		26.5		(13.6)		19.5		14.0		33.5
Balance at end of period	$	251.0	$	148.1	$	399.1	$	211.8	$	129.9	$	341.7

The following table summarizes the changes in the ACL on off-balance-sheet credit exposures for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(in millions)	2021		2020
Balance at beginning of period	$	26.9	$	5.6
CECL transition adjustment	—		14.5
Balance at beginning of period, adjusted	26.9		20.1
Provision charged (credited) to income	0.8		0.6
Balance at end of period	$	27.7	$	20.7

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Leases (Tables)

3 Months Ended

Mar. 31, 2021

Leases [Abstract]

Composition of Total Net Investment in Lease Financing Receivables

The composition of the Company’s total net investment in lease financing receivables included within equipment financing loans in the Consolidated Statements of Condition was as follows:

(in millions)	March 31, 2021		December 31, 2020
Lease payments receivable	$	1,400.6	$	1,418.4
Estimated residual value of leased assets	132.6		132.7
Gross investment in lease financing receivables	1,533.2		1,551.1
Plus: Deferred origination costs	11.1		11.6
Less: Unearned income	(147.9)		(150.7)
Total net investment in lease financing receivables	$	1,396.4	$	1,412.0

Contractual Maturities of Lease Financing Receivables

The contractual maturities of the Company’s lease financing receivables were as follows:

(in millions)	March 31, 2021
2021 (1)	$	410.0
2022	451.6
2023	316.1
2024	201.1
2025	112.7
Later years	41.7
Total	$	1,533.2

(1)Contractual maturities for the remaining nine months in 2021.

Lease Income

The following table summarizes People’s United’s total lease income:

	Three Months Ended March 31,
(in millions)	2021		2020
Lease financing receivables	$	16.6	$	17.6
Operating leases	11.3		12.6
Total lease income	$	27.9	$	30.2

Lease Costs

The following tables provide the components of lease cost and supplemental information:

	Three Months Ended March 31,
(in millions)	2021		2020
Operating lease cost	$	16.0	$	16.7
Variable lease cost	2.8		3.1
Finance lease cost	0.1		0.1
Sublease income	(0.5)		(0.5)
Net lease cost	$	18.4	$	19.4

Lease Right-of-use Assets and Liabilities

(dollars in millions)	March 31, 2021			December 31, 2020
Lease ROU assets:
Operating leases	$	227.4		$	234.9
Finance leases	2.3			2.3
Lease liabilities:
Operating leases	259.7			270.4
Finance leases	4.8			4.9
Weighted-average discount rate:
Operating leases	3.07		%	3.08		%
Finance leases	2.59			2.59
Weighted-average remaining lease term (in years):
Operating leases	7.5			7.6
Finance leases	11.0			11.2

	Three Months Ended March 31,
(in millions)	2021		2020
Cash payments included in the measurement of lease liabilities:
Reported in operating cash from operating leases	$	17.0	$	17.1
Reported in financing cash from finance leases	0.1		0.1
ROU assets obtained in exchange for lessee:
Operating lease liabilities	6.0		14.3

Schedule of Contractual Maturities of Lease Liabilities

The contractual maturities of the Company’s lease liabilities as of March 31, 2021 were as follows:

(in millions)	Operating Leases		Finance Leases
2021 (1)	$	51.1	$	0.4
2022	49.9		0.5
2023	38.1		0.5
2024	32.1		0.5
2025	27.5		0.5
Later years	95.7		3.1
Total lease payments	294.4		5.5
Less: Interest	(34.7)		(0.7)
Total lease liabilities	$	259.7	$	4.8

(1)Contractual maturities for the remaining nine months in 2021.

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Loss

The following is a summary of the changes in the components of accumulated other comprehensive income (loss) (“AOCL”), which are included in People’s United’s stockholders’ equity on an after-tax basis:

(in millions)	Pension and Other Postretirement Plans		Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale		Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity		Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges		Total AOCL
Balance at December 31, 2020	$	(181.8)	$	103.1	$	(8.2)	$	(2.3)	$	(89.2)
Other comprehensive income (loss)    before reclassifications	—		(108.5)		0.1		0.4		(108.0)
Amounts reclassified from AOCL (1)	0.4		—		1.2		0.3		1.9
Current period other comprehensive    income (loss)	0.4		(108.5)		1.3		0.7		(106.1)
Balance at March 31, 2021	$	(181.4)	$	(5.4)	$	(6.9)	$	(1.6)	$	(195.3)

(in millions)	Pension and Other Postretirement Plans		Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale		Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity		Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges		Total AOCL
Balance at December 31, 2019	$	(176.2)	$	20.8	$	(11.8)	$	0.3	$	(166.9)
Other comprehensive income before    reclassifications	—		71.6		—		—		71.6
Amounts reclassified from AOCL (1)	1.6		—		1.0		—		2.6
Current period other comprehensive    income	1.6		71.6		1.0		—		74.2
Balance at March 31, 2020	$	(174.6)	$	92.4	$	(10.8)	$	0.3	$	(92.7)

(1)See the following table for details about these reclassifications.

Summary of Amounts Reclassified from AOCL

The following is a summary of the amounts reclassified from AOCL:

	Amounts Reclassified from AOCL				Affected Line Item in the Statement Where Net Income is Presented
	Three Months Ended March 31,
(in millions)	2021		2020
Details about components of AOCL:
Amortization of pension and other    postretirement plans items:
Net actuarial loss	$	(2.6)	$	(2.0)	(1)
	(2.6)		(2.0)		Income before income tax expense
	2.2		0.4		Income tax expense
	(0.4)		(1.6)		Net income
Reclassification adjustment for net    realized gains (losses) on debt    securities available-for-sale	—		—		Income before income tax expense (2)
	—		—		Income tax expense
	—		—		Net income
Amortization of unrealized losses on    debt securities transferred to    held-to-maturity	(1.6)		(1.3)		Income before income tax expense (3)
	0.4		0.3		Income tax expense
	(1.2)		(1.0)		Net income
Amortization of unrealized gains and    losses on cash flow hedges:
Interest rate swaps	(0.4)		—		(5)
Interest rate locks (4)	—		—		(5)
	(0.4)		—		Income before income tax expense
	0.1		—		Income tax expense
	(0.3)		—		Net income
Total reclassifications for the period	$	(1.9)	$	(2.6)

(1)Included in the computation of net periodic benefit income (expense) reflected in other non-interest expense (see Note 9 for additional details).

(2)Included in other non-interest income.

(3)Included in interest and dividend income - securities.

(4)Amount reclassified from AOCL totaled less than $0.1 million for both periods.

(5)Included in interest expense - notes and debentures.

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Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Common Share, Reflecting Application of Two-Class Method

The following is an analysis of People’s United’s basic and diluted earnings per common share (“EPS”), reflecting the application of the two-class method, as described below:

	Three Months Ended March 31,
(in millions, except per common share data)	2021		2020
Net income available to common shareholders	$	141.0	$	126.9
Dividends paid on and undistributed earnings allocated to    participating securities	—		—
Earnings attributable to common shareholders	$	141.0	$	126.9
Weighted average common shares outstanding for basic EPS	419.1		427.2
Effect of dilutive equity-based awards	3.5		2.6
Weighted average common shares and common-equivalent    shares for diluted EPS	422.6		429.8
EPS:
Basic	$	0.34	$	0.30
Diluted	0.33		0.30

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Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Components of Net Periodic Benefit (Income) Expense and Other Amounts

Components of net periodic benefit (income) expense and other amounts recognized in other comprehensive income (loss) for (i) the People’s Qualified Plan, the United Financial Qualified Plan, the People’s Supplemental Plans, the First Connecticut Supplemental Plan, the BSB Bancorp Supplemental Plan and the United Financial Supplemental Plan (together the “Pension Plans”) and (ii) the People’s Postretirement Plan, the First Connecticut Postretirement Plans, the BSB Bancorp Post Retirement Welfare (Life Insurance) Plan and the United Financial Postretirement Plan (together the “Other Postretirement Plans”) are as follows:

	Pension Plans				Other Postretirement Plans
Three months ended March 31 (in millions)	2021		2020		2021		2020
Net periodic benefit (income) expense:
Interest cost	$	3.6	$	4.9	$	0.2	$	0.3
Expected return on plan assets	(13.2)		(12.4)		—		—
Recognized net actuarial loss	2.6		2.0		—		—
Settlements	0.3		0.8		—		—
Net periodic benefit (income) expense	(6.7)		(4.7)		0.2		0.3
Other changes in plan assets and benefit obligations    recognized in other comprehensive income (loss):
Net actuarial loss	(2.6)		(2.0)		—		—
Total pre-tax changes recognized in other    comprehensive income (loss)	(2.6)		(2.0)		—		—
Total recognized in net periodic benefit (income)    expense and other comprehensive income (loss)	$	(9.3)	$	(6.7)	$	0.2	$	0.3

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize People’s United’s financial instruments that are measured at fair value on a recurring basis:

	Fair Value Measurements Using
As of March 31, 2021 (in millions)	Level 1		Level 2		Level 3		Total
Financial assets:
Debt securities available-for-sale:
U.S. Treasury and agency	$	539.2	$	—	$	—	$	539.2
GSE mortgage-backed and CMO securities	—		5,621.4		—		5,621.4
Equity securities	1.5		—		—		1.5
Other assets:
Exchange-traded funds	83.2		—		—		83.2
Mutual funds	3.7		—		—		3.7
Interest rate swaps	—		479.1		—		479.1
Interest rate caps	—		2.3		—		2.3
Foreign exchange contracts	—		13.0		—		13.0
Forward commitments to sell residential mortgage loans	—		0.1		—		0.1
Total	$	627.6	$	6,115.9	$	—	$	6,743.5
Financial liabilities:
Interest rate swaps	$	—	$	122.9	$	—	$	122.9
Interest rate caps	—		2.3		—		2.3
Risk participation agreements	—		0.3		—		0.3
Foreign exchange contracts	—		5.5		—		5.5
Interest rate-lock commitments on residential mortgage loans	—		0.1		—		0.1
Total	$	—	$	131.1	$	—	$	131.1

	Fair Value Measurements Using
As of December 31, 2020 (in millions)	Level 1		Level 2		Level 3		Total
Financial assets:
Debt securities available-for-sale:
U.S. Treasury and agency	541.6		—		—		541.6
GSE mortgage-backed and CMO securities	—		4,383.9		—		4,383.9
Equity securities	5.3		—		—		5.3
Other assets:
Exchange-traded funds	53.0		—		—		53.0
Mutual funds	3.9		—		—		3.9
Interest rate swaps	—		783.8		—		783.8
Interest rate caps	—		3.0		—		3.0
Foreign exchange contracts	—		12.8		—		12.8
Forward commitments to sell residential mortgage loans	—		0.7		—		0.7
Total	$	603.8	$	5,184.2	$	—	$	5,788.0
Financial liabilities:
Interest rate swaps	$	—	$	157.2	$	—	$	157.2
Interest rate caps	—		3.0		—		3.0
Risk participation agreements	—		0.4		—		0.4
Foreign exchange contracts	—		8.8		—		8.8
Interest rate-lock commitments on residential mortgage loans	—		1.0		—		1.0
Total	$	—	$	170.4	$	—	$	170.4

Assets Measured at Fair Value on Non-Recurring Basis

The following tables summarize People’s United’s assets that are measured at fair value on a non-recurring basis:

	Fair Value Measurements Using
As of March 31, 2021 (in millions)	Level 1		Level 2		Level 3		Total
Loans held-for-sale (1)	$	—	$	10.1	$	—	$	10.1
Collateral dependent loans (2)	—		—		45.4		45.4
REO and repossessed assets (3)	—		—		10.4		10.4
Mortgage servicing rights (4)	—		—		5.3		5.3
Total	$	—	$	10.1	$	61.1	$	71.2
	Fair Value Measurements Using
As of December 31, 2020 (in millions)	Level 1		Level 2		Level 3		Total
Goodwill (5)	$	—	$	—	$	2,680.8	$	2,680.8
Loans held-for-sale (1)	—		26.5		—		26.5
Collateral dependent loans (2)	—		—		32.8		32.8
REO and repossessed assets (3)	—		—		12.5		12.5
Mortgage servicing rights (4)	—		—		4.8		4.8
Total	$	—	$	26.5	$	2,730.9	$	2,757.4

(1)Consists of residential mortgage loans; no fair value adjustments were recorded for the three months ended
March 31, 2021 and 2020.

(2)Represents the recorded investment in collateral dependent loans with a related ACL totaling $24.3 million and $20.5 million measured in accordance with applicable accounting guidance at March 31, 2021 and December 31, 2020, respectively. The provision for credit losses on collateral dependent loans totaled $7.3 million and $3.9 million for the three months ended March 31, 2021 and 2020, respectively.

(3)Represents: (i) $3.5 million of commercial REO; (ii) $1.5 million of residential REO; and (iii) $5.4 million of repossessed assets at March 31, 2021. Charge-offs to the ACL related to loans that were transferred to REO or repossessed assets totaled $0.2 million and $1.2 million for the three months ended March 31, 2021 and 2020, respectively. Write downs and net (gains) losses on sale of foreclosed/repossessed assets charged to non-interest expense totaled $(0.7) million and $0.4 million for the same periods.

(4)Fair value adjustments totaling $0.5 million and $(3.0) million were recorded for the three months ended
March 31, 2021 and 2020, respectively.

(5)Goodwill was evaluated for impairment as of October 1, 2020 (the Company’s annual measurement date).

Carrying Amounts and Estimated Fair Values of Financial Instruments

The following tables summarize the carrying amounts, estimated fair values and placement in the fair value hierarchy of People’s United’s financial instruments that are not measured at fair value either on a recurring or non-recurring basis: 

	Carrying Amount		Estimated Fair Value Measurements Using
As of March 31, 2021 (in millions)			Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	464.2	$	464.2	$	—	$	—	$	464.2
Short-term investments	4,992.1		—		4,992.1		—		4,992.1
Debt securities held-to-maturity, net	4,016.8		—		4,234.0		1.5		4,235.5
FRB and FHLB stock	266.2		—		266.2		—		266.2
Total loans, net (1)	42,325.2		—		8,007.3		34,561.0		42,568.3
Financial liabilities:
Time deposits	4,908.3		—		4,939.7		—		4,939.7
Other deposits	48,567.0		—		48,567.0		—		48,567.0
FHLB advances	569.7		—		570.0		—		570.0
Customer repurchase agreements	436.2		—		436.1		—		436.1
Federal funds purchased	150.0		—		150.0		—		150.0
Notes and debentures	1,003.3		—		1,036.8		—		1,036.8

	Carrying Amount		Estimated Fair Value Measurements Using
As of December 31, 2020 (in millions)			Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	477.3	$	477.3	$	—	$	—	$	477.3
Short-term investments	3,766.0		—		3,766.0		—		3,766.0
Debt securities held-to-maturity	3,993.8		—		4,265.5		1.5		4,267.0
FRB and FHLB stock	266.6		—		266.6		—		266.6
Total loans, net (1)	43,411.6		—		8,539.4		35,294.0		43,833.4
Financial liabilities:
Time deposits	5,658.8		—		5,699.7		—		5,699.7
Other deposits	46,478.9		—		46,478.9		—		46,478.9
FHLB advances	569.7		—		570.3		—		570.3
Federal funds purchased	452.9		—		452.9		—		452.9
Customer repurchase agreements	125.0		—		125.0		—		125.0
Notes and debentures	1,009.6		—		1,035.8		—		1,035.8

(1)Excludes collateral dependent loans totaling $45.4 million at March 31, 2021 and $32.8 million at December 31, 2020, both measured at fair value on a non-recurring basis.

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Derivative Financial Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts and Fair Values of Derivatives Outstanding

The table below provides a summary of the notional amounts and fair values (presented on a gross basis) of derivatives outstanding:

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
(in millions)	Type of Hedge	March 31, 2021		Dec. 31, 2020		March 31, 2021		Dec. 31, 2020		March 31, 2021		Dec. 31, 2020
Derivatives Not Designated as Hedging    Instruments:
Interest rate swaps:
Commercial customers	N/A	$	8,828.2	$	8,878.6	$	457.5	$	778.0	$	23.6	$	0.4
Institutional counterparties	N/A	8,830.4		8,881.3		21.6		5.8		99.3		156.8
Interest rate caps:
Commercial customers	N/A	184.8		185.1		2.2		3.0		0.1		—
Institutional counterparties	N/A	184.8		185.1		0.1		—		2.2		3.0
Risk participation agreements	N/A	916.9		924.3		—		—		0.3		0.4
Foreign exchange contracts	N/A	323.9		285.3		13.0		12.8		5.5		8.8
Forward commitments to sell    residential mortgage loans	N/A	1.4		25.4		0.1		0.7		—		—
Interest rate-lock commitments on    residential mortgage loans	N/A	1.4		41.5		—		—		0.1		1.0
Total						494.5		800.3		131.1		170.4
Derivatives Designated as Hedging    Instruments:
Interest rate swaps:
FHLB advances	Cash flow	550.0		550.0		—		—		—		—
Subordinated notes	Fair value	375.0		375.0		—		—		—		—
Total						—		—		—		—
Total fair value of derivatives						$	494.5	$	800.3	$	131.1	$	170.4

(1)Assets are recorded in other assets and liabilities are recorded in other liabilities.

Impact of Derivatives on Pre-Tax Income and Accumulated Other Comprehensive Loss

The following table summarizes the impact of People’s United’s derivatives on pre-tax income and AOCL:

	Type of Hedge	Amount of Pre-Tax Gain (Loss) Recognized in Earnings (1)				Amount of Pre-Tax Gain (Loss) Recognized in AOCL
Three months ended March 31 (in millions)		2021		2020		2021		2020
Derivatives Not Designated as Hedging    Instruments:
Interest rate swaps:
Commercial customers	N/A	$	(300.6)	$	613.6	$	—	$	—
Institutional counterparties	N/A	300.2		(603.7)		—		—
Interest rate caps:
Commercial customers	N/A	(0.7)		2.0		—		—
Institutional counterparties	N/A	0.9		(2.0)		—		—
Foreign exchange contracts	N/A	0.4		0.1		—		—
Risk participation agreements	N/A	0.3		(0.6)		—		—
Forward commitments to sell    residential mortgage loans	N/A	(0.7)		0.2		—		—
Interest rate-lock commitments on    residential mortgage loans	N/A	1.0		(0.2)		—		—
Total		0.8		9.4		—		—
Derivatives Designated as Hedging    Instruments:
Interest rate swaps	Fair value	2.4		0.4		—		—
Interest rate swaps	Cash flow	(0.4)		—		0.5		0.1
Interest rate locks (2)	Cash flow	—		—		—		—
Total		2.0		0.4		0.5		0.1
Total		$	2.8	$	9.8	$	0.5	$	0.1

(1)Amounts recognized in earnings are recorded in interest income, interest expense or other non-interest income for derivatives designated as hedging instruments and in other non-interest income for derivatives not designated as hedging instruments.

(2)Income totaled less than $0.1 million for both periods.

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Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2021

Offsetting [Abstract]

Summary of Gross Presentation, Financial Instruments that are Eligible for Offset Not Offset in Consolidated Statement of Condition

The following tables provide a gross presentation, the effects of offsetting, and a net presentation of the Company’s financial instruments that are eligible for offset in the Consolidated Statements of Condition. The collateral amounts in these tables are limited to the outstanding balances of the related asset or liability (after netting is applied) and, therefore, instances of overcollateralization are not presented. In the tables below, the Net Amount Presented of the derivative assets and liabilities can be reconciled to the fair value of the Company’s derivative financial instruments in Note 13. The Company’s derivative contracts with commercial customers and customer repurchase agreements are not subject to master netting arrangements and, therefore, have been excluded from the tables below.

	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Financial Instruments				Net Amount
As of March 31, 2021 (in millions)									Collateral
Financial assets:
Interest rate swaps:
Counterparty A	$	0.2	$	—	$	0.2	$	(0.2)	$	—	$	—
Counterparty B	—		—		—		—		—		—
Counterparty C	2.2		—		2.2		(2.2)		—		—
Counterparty D	0.9		—		0.9		(0.9)		—		—
Counterparty E	16.2		—		16.2		—		—		16.2
Other counterparties	2.2		—		2.2		(2.2)		—		—
Foreign exchange contracts	13.0		—		13.0		—		—		13.0
Total	$	34.7	$	—	$	34.7	$	(5.5)	$	—	$	29.2
Financial liabilities:
Interest rate swaps:
Counterparty A	$	3.8	$	—	$	3.8	$	(0.2)	$	(3.6)	$	—
Counterparty B	5.7		—		5.7		—		(5.7)		—
Counterparty C	35.4		—		35.4		(2.2)		(33.2)		—
Counterparty D	14.3		—		14.3		(0.9)		(3.1)		10.3
Counterparty E	—		—		—		—		—		—
Other counterparties	42.3		—		42.3		(2.2)		(39.8)		0.3
Foreign exchange contracts	5.5		—		5.5		—		—		5.5
Total	$	107.0	$	—	$	107.0	$	(5.5)	$	(85.4)	$	16.1

	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Financial Instruments				Net Amount
As of December 31, 2020 (in millions)									Collateral
Financial assets:
Interest rate swaps:
Counterparty A	$	—	$	—	$	—	$	—	$	—	$	—
Counterparty B	—		—		—		—		—		—
Counterparty C	0.3		—		0.3		(0.3)		—		—
Counterparty D	—		—		—		—		—		—
Counterparty E	5.4		—		5.4		—		—		5.4
Other counterparties	0.1		—		0.1		(0.1)		—		—
Foreign exchange contracts	12.8		—		12.8		—		—		12.8
Total	$	18.6	$	—	$	18.6	$	(0.4)	$	—	$	18.2
Financial liabilities:
Interest rate swaps:
Counterparty A	$	5.6	$	—	$	5.6	$	—	$	(5.6)	$	—
Counterparty B	7.1		—		7.1		—		(7.1)		—
Counterparty C	56.6		—		56.6		(0.3)		(56.3)		—
Counterparty D	21.4		—		21.4		—		(10.4)		11.0
Counterparty E	—		—		—		—		—		—
Other counterparties	69.1		—		69.1		(0.1)		(69.0)		—
Foreign exchange contracts	8.8		—		8.8		—		—		8.8
Total	$	168.6	$	—	$	168.6	$	(0.4)	$	(148.4)	$	19.8

Summary of Collateral Swaps

The following tables show the extent to which assets and liabilities exchanged under resale and repurchase agreements have been offset in the Consolidated Statements of Condition. These agreements: (i) are entered into simultaneously with the same financial institution counterparty; (ii) have the same principal amounts and inception/maturity dates; and (iii) are subject to a master netting arrangement that contains a conditional right of offset upon default. At March 31, 2021 and
December 31, 2020, the Company posted as collateral marketable securities with fair values of $256.6 million and $258.7 million, respectively, and, in turn, accepted as collateral marketable securities with fair values of $257.4 million and $254.4 million, respectively.

As of March 31, 2021 (in millions)	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented
Total resale agreements	$	250.0	$	(250.0)	$	—
Total repurchase agreements	$	250.0	$	(250.0)	$	—
As of December 31, 2020 (in millions)	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented
Total resale agreements	$	250.0	$	(250.0)	$	—
Total repurchase agreements	$	250.0	$	(250.0)	$	—

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General (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Feb. 22, 2021	Jan. 21, 2021 branch	Jan. 01, 2021 USD ($)	Dec. 31, 2020 USD ($)
Noncash or Part Noncash Acquisitions [Line Items]
Affordable housing investments	$ 500.0					$ 460.8
Future contingent commitments	$ 211.6					182.4
Amortization period	10 years
Income tax expense	$ 8.2	$ 7.0
Retained earnings (accumulated deficit)	1,426.9					$ 1,363.6
Shares conversion ratio			0.118
Contract termination costs	12.1
M&T
Noncash or Part Noncash Acquisitions [Line Items]
Merger-related expenses	$ 7.5
Cumulative Effect, Period Of Adoption, Adjustment
Noncash or Part Noncash Acquisitions [Line Items]
Retained earnings (accumulated deficit)					$ (45.9)
Connecticut And New York
Noncash or Part Noncash Acquisitions [Line Items]
Number of branches operated | branch				140

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Cash and Cash Equivalents and Securities - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021 USD ($) Security	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Schedule of Investments [Line Items]
Accrued interest receivable, available-for-sale	$ 13,500,000		$ 10,700,000
Accrued interest receivable, held-to-maturity	30,300,000		31,500,000
Debt securities, held-to-maturity nonaccrual	$ 0
Number of debt securities classified as available-for-sale | Security	391
Number of debt securities owned | Security	2,550
Gross unrealized losses	$ (116,600,000)		(1,700,000)
Other-than-temporary impairment losses recognized in earnings	0	$ 0
Debt security available for sale with a fair value pledged with collateral for public deposits	6,160,000,000		4,930,000,000
Debt security available for sale with a held-to-maturity pledged with collateral for public deposits	2,070,000,000.00		2,080,000,000.00
Unrealized (losses) gains due to change in fair value of equity securities	$ 100,000	$ (1,400,000)
Federal Reserve Bank stock percentage	6.00%
Impairment of investments	$ 0
GSE mortgage-backed securities
Schedule of Investments [Line Items]
Gross unrealized losses	$ (116,600,000)		(1,700,000)
Available for sale securities average maturity period	25 years
Federal Reserve Bank of New York
Schedule of Investments [Line Items]
Interest-bearing deposits	$ 4,890,000,000		$ 3,600,000,000
Investment interest rate	0.10%		0.10%
Acquired shares of capital stock	$ 228,000,000.0		$ 228,400,000
FHLB of Boston
Schedule of Investments [Line Items]
Acquired shares of capital stock	$ 38,200,000		$ 38,200,000

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Cash and Cash Equivalents and Securities - Available-for-Sale and Held-to-Maturity Debt Securities Gains (Losses) (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Debt securities available-for-sale:
Amortized Cost	$ 6,183.8	$ 4,804.5
ACL	0.0	0.0
Gross Unrealized Gains	93.4	122.7
Gross Unrealized Losses	(116.6)	(1.7)
Fair Value	6,160.6	4,925.5
Debt securities held-to-maturity:
Amortized Cost	4,018.4	3,995.4
ACL	(1.6)	(1.6)	$ (1.9)	$ 0.0
Gross Unrealized Gains	225.0	273.4
Gross Unrealized Losses	(6.3)	(0.2)
Fair Value	4,235.5	4,267.0
U.S. Treasury and agency
Debt securities available-for-sale:
Amortized Cost	529.3	529.8
ACL	0.0	0.0
Gross Unrealized Gains	9.9	11.8
Gross Unrealized Losses	0.0	0.0
Fair Value	539.2	541.6
Debt securities held-to-maturity:
Amortized Cost	0.0
Fair Value	0.0
GSE mortgage-backed securities
Debt securities available-for-sale:
Amortized Cost	5,654.5	4,274.7
ACL	0.0	0.0
Gross Unrealized Gains	83.5	110.9
Gross Unrealized Losses	(116.6)	(1.7)
Fair Value	5,621.4	4,383.9
Debt securities held-to-maturity:
Amortized Cost	1,011.0	1,079.9
ACL	0.0	0.0
Gross Unrealized Gains	32.3	36.4
Gross Unrealized Losses	0.0	0.0
Fair Value	1,043.3	1,116.3
State and municipal
Debt securities available-for-sale:
Amortized Cost	0.0
Fair Value	0.0
Debt securities held-to-maturity:
Amortized Cost	2,916.1	2,824.3
ACL	(0.1)	(0.1)	(0.1)	0.0
Gross Unrealized Gains	190.7	236.0
Gross Unrealized Losses	(6.2)	0.0
Fair Value	3,100.5	3,060.2
Corporate
Debt securities available-for-sale:
Amortized Cost	0.0
Fair Value	0.0
Debt securities held-to-maturity:
Amortized Cost	89.8	89.7
ACL	(1.5)	(1.5)	$ (1.8)	$ 0.0
Gross Unrealized Gains	2.0	1.0
Gross Unrealized Losses	(0.1)	(0.2)
Fair Value	90.2	89.0
Other
Debt securities available-for-sale:
Amortized Cost	0.0
Fair Value	0.0
Debt securities held-to-maturity:
Amortized Cost	1.5	1.5
ACL	0.0	0.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	$ 1.5	$ 1.5

XML

Cash and Cash Equivalents and Securities - Debt Securities Held-to-maturity Allowance for Credit Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 1.6	$ 0.0
Provision charged (credited) to income	0.0	0.0
Balance at end of period	1.6	1.9
Corporate
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	1.5	0.0
Provision charged (credited) to income	0.0	0.0
Balance at end of period	1.5	1.8
State and municipal
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0.1	0.0
Provision charged (credited) to income	0.0	0.0
Balance at end of period	0.1	0.1
Cumulative Effect, Period Of Adoption, Adjustment
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0.0	1.9
Cumulative Effect, Period Of Adoption, Adjustment | Corporate
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0.0	1.8
Cumulative Effect, Period Of Adoption, Adjustment | State and municipal
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0.0	0.1
Cumulative Effect, Period Of Adoption, Adjusted Balance
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	1.6	1.9
Cumulative Effect, Period Of Adoption, Adjusted Balance | Corporate
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	1.5	1.8
Cumulative Effect, Period Of Adoption, Adjusted Balance | State and municipal
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 0.1	$ 0.1

XML

Cash and Cash Equivalents and Securities - Debt Securities Held-to-maturity Credit Quality (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Debt securities held-to-maturity	$ 4,018.4	$ 3,995.4
Internal Investment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	4,013.3	3,990.2
Internal Noninvestment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	5.1	5.2
State and municipal
Schedule of Investments [Line Items]
Debt securities held-to-maturity	2,916.1	2,824.3
State and municipal | Internal Investment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	2,916.0	2,824.1
State and municipal | Internal Noninvestment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	0.1	0.2
GSE mortgage-backed securities
Schedule of Investments [Line Items]
Debt securities held-to-maturity	1,011.0	1,079.9
GSE mortgage-backed securities | Internal Investment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	1,011.0	1,079.9
GSE mortgage-backed securities | Internal Noninvestment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	0.0	0.0
Corporate
Schedule of Investments [Line Items]
Debt securities held-to-maturity	89.8	89.7
Corporate | Internal Investment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	84.8	84.7
Corporate | Internal Noninvestment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	5.0	5.0
Other
Schedule of Investments [Line Items]
Debt securities held-to-maturity	1.5	1.5
Other | Internal Investment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	1.5	1.5
Other | Internal Noninvestment Grade
Schedule of Investments [Line Items]
Debt securities held-to-maturity	$ 0.0	$ 0.0

XML

Cash and Cash Equivalents and Securities - Continuous Unrealized Loss Positions (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Available-for-sale, Fair Value
Less Than 12 Months	$ 3,142.2	$ 225.5
12 Months Or Longer	0.0	0.0
Total	3,142.2	225.5
Available-for-sale, Unrealized Losses
Less Than 12 Months	(116.6)	(1.7)
12 Months Or Longer	0.0	0.0
Total	(116.6)	(1.7)
GSE mortgage-backed securities
Available-for-sale, Fair Value
Less Than 12 Months	3,142.2	225.5
12 Months Or Longer	0.0	0.0
Total	3,142.2	225.5
Available-for-sale, Unrealized Losses
Less Than 12 Months	(116.6)	(1.7)
12 Months Or Longer	0.0	0.0
Total	$ (116.6)	$ (1.7)

XML

Cash and Cash Equivalents and Securities - Summary of Amortized Cost and Fair Value to Contractual Maturity (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Available for Sale, Amortized Cost, Within 1 year	$ 98.0
Available for Sale, Amortized Cost, After 1 but within 5 years	565.9
Available for Sale, Amortized Cost, After 5 but within 10 years	1,481.8
Available for Sale, Amortized Cost, After 10 years	4,038.1
Amortized Cost	6,183.8	$ 4,804.5
Available for Sale, Fair Value, Within 1 year	98.8
Available for Sale, Fair Value, After 1 but within 5 years	581.2
Available for Sale, Fair Value, After 5 but within 10 years	1,500.5
Available for Sale, Fair Value, After 10 years	3,980.1
Available for Sale, Fair Value, Total	6,160.6	4,925.5
Held to Maturity, Amortized Cost, Within 1 year	10.5
Held to Maturity, Amortized Cost, After 1 but within 5 years	1,112.9
Held to Maturity, Amortized Cost, After 5 but within 10 years	919.3
Held to Maturity, Amortized Cost, After 10 years	1,975.7
Amortized Cost	4,018.4	3,995.4
Held to Maturity, Fair Value, Within 1 year	10.7
Held to Maturity, Fair Value, After 1 but within 5 years	1,150.8
Held to Maturity, Fair Value, After 5 but within 10 years	975.3
Held to Maturity, Fair Value, After 10 years	2,098.7
Held to Maturity, Fair Value, Total	4,235.5	4,267.0
U.S. Treasury and agency
Schedule of Investments [Line Items]
Available for Sale, Amortized Cost, Within 1 year	86.3
Available for Sale, Amortized Cost, After 1 but within 5 years	443.0
Amortized Cost	529.3	529.8
Available for Sale, Fair Value, Within 1 year	87.0
Available for Sale, Fair Value, After 1 but within 5 years	452.2
Available for Sale, Fair Value, Total	539.2	541.6
Held to Maturity, Amortized Cost, Within 1 year	0.0
Held to Maturity, Amortized Cost, After 1 but within 5 years	0.0
Amortized Cost	0.0
Held to Maturity, Fair Value, Within 1 year	0.0
Held to Maturity, Fair Value, After 1 but within 5 years	0.0
Held to Maturity, Fair Value, Total	0.0
GSE mortgage-backed securities
Schedule of Investments [Line Items]
Available for Sale, Amortized Cost, Within 1 year	11.7
Available for Sale, Amortized Cost, After 1 but within 5 years	122.9
Available for Sale, Amortized Cost, After 5 but within 10 years	1,481.8
Available for Sale, Amortized Cost, After 10 years	4,038.1
Amortized Cost	5,654.5	4,274.7
Available for Sale, Fair Value, Within 1 year	11.8
Available for Sale, Fair Value, After 1 but within 5 years	129.0
Available for Sale, Fair Value, After 5 but within 10 years	1,500.5
Available for Sale, Fair Value, After 10 years	3,980.1
Available for Sale, Fair Value, Total	5,621.4	4,383.9
Held to Maturity, Amortized Cost, Within 1 year	0.0
Held to Maturity, Amortized Cost, After 1 but within 5 years	816.9
Held to Maturity, Amortized Cost, After 5 but within 10 years	194.1
Held to Maturity, Amortized Cost, After 10 years	0.0
Amortized Cost	1,011.0	1,079.9
Held to Maturity, Fair Value, Within 1 year	0.0
Held to Maturity, Fair Value, After 1 but within 5 years	842.3
Held to Maturity, Fair Value, After 5 but within 10 years	201.0
Held to Maturity, Fair Value, After 10 years	0.0
Held to Maturity, Fair Value, Total	1,043.3	1,116.3
State and municipal
Schedule of Investments [Line Items]
Available for Sale, Amortized Cost, Within 1 year	0.0
Available for Sale, Amortized Cost, After 1 but within 5 years	0.0
Available for Sale, Amortized Cost, After 5 but within 10 years	0.0
Available for Sale, Amortized Cost, After 10 years	0.0
Amortized Cost	0.0
Available for Sale, Fair Value, Within 1 year	0.0
Available for Sale, Fair Value, After 1 but within 5 years	0.0
Available for Sale, Fair Value, After 5 but within 10 years	0.0
Available for Sale, Fair Value, After 10 years	0.0
Available for Sale, Fair Value, Total	0.0
Held to Maturity, Amortized Cost, Within 1 year	9.5
Held to Maturity, Amortized Cost, After 1 but within 5 years	279.7
Held to Maturity, Amortized Cost, After 5 but within 10 years	651.2
Held to Maturity, Amortized Cost, After 10 years	1,975.7
Amortized Cost	2,916.1	2,824.3
Held to Maturity, Fair Value, Within 1 year	9.6
Held to Maturity, Fair Value, After 1 but within 5 years	292.2
Held to Maturity, Fair Value, After 5 but within 10 years	700.0
Held to Maturity, Fair Value, After 10 years	2,098.7
Held to Maturity, Fair Value, Total	3,100.5	3,060.2
Corporate
Schedule of Investments [Line Items]
Available for Sale, Amortized Cost, Within 1 year	0.0
Available for Sale, Amortized Cost, After 1 but within 5 years	0.0
Available for Sale, Amortized Cost, After 5 but within 10 years	0.0
Amortized Cost	0.0
Available for Sale, Fair Value, Within 1 year	0.0
Available for Sale, Fair Value, After 1 but within 5 years	0.0
Available for Sale, Fair Value, After 5 but within 10 years	0.0
Available for Sale, Fair Value, Total	0.0
Held to Maturity, Amortized Cost, Within 1 year	1.0
Held to Maturity, Amortized Cost, After 1 but within 5 years	14.8
Held to Maturity, Amortized Cost, After 5 but within 10 years	74.0
Amortized Cost	89.8	89.7
Held to Maturity, Fair Value, Within 1 year	1.1
Held to Maturity, Fair Value, After 1 but within 5 years	14.8
Held to Maturity, Fair Value, After 5 but within 10 years	74.3
Held to Maturity, Fair Value, Total	90.2	89.0
Other
Schedule of Investments [Line Items]
Available for Sale, Amortized Cost, After 1 but within 5 years	0.0
Amortized Cost	0.0
Available for Sale, Fair Value, After 1 but within 5 years	0.0
Available for Sale, Fair Value, Total	0.0
Held to Maturity, Amortized Cost, After 1 but within 5 years	1.5
Amortized Cost	1.5	1.5
Held to Maturity, Fair Value, After 1 but within 5 years	1.5
Held to Maturity, Fair Value, Total	$ 1.5	$ 1.5

XML

Loans - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021 USD ($) Rating Segment	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of segments | Segment	2
Net deferred loan costs	$ 66,200,000		$ 68,100,000
Nonaccrual interest income	300,000	$ 500,000
Loans past due and accruing	0		0
Allowance for loan losses	$ 399,100,000	$ 341,700,000	425,100,000	$ 246,600,000
Temporary reduction of interest rate for TDRs, basis points	2.00%	2.00%
Collateral values/LTV ratios, minimum	70.00%
Borrower credit scores, minimum | Rating	680
Repossessed assets	$ 5,400,000		5,700,000
Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable accrued interest	152,600,000		159,900,000
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Early non-performing loans	38,100,000		34,000,000.0
Real estate owned	3,500,000		3,600,000
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Early non-performing loans	20,600,000		26,000,000.0
Equipment financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Early non-performing loans	102,800,000		90,100,000
MW/ABL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Early non-performing loans	1,000,000.0		1,000,000.0
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real estate owned	1,500,000		3,200,000
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	251,000,000.0	$ 211,800,000	303,600,000	217,900,000
Commercial | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	89,800,000		71,100,000
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, CARES Act	2,570,000,000		2,280,000,000
Deferred loan fees, CARES Act	62,500,000		45,900,000
Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	148,100,000	$ 129,900,000	121,500,000	$ 28,700,000
Retail | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	$ 36,100,000		37,800,000
Maximum | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Duration of extension for payment deferral on TDRs, years	2 years	2 years
Maximum | Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Duration of extension for payment deferral on TDRs, years	10 years	10 years
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan agreement	6 months
Troubled Debt Restructurings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in originated loans classified as TDRs	$ 178,100,000		196,900,000
Allowance for loan losses	16,500,000		12,000,000.0
Interest income recognized	900,000	$ 1,300,000
Foreclosure or Bankruptcy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Early non-performing loans	$ 31,200,000		$ 32,600,000

XML

Loans - Summary of Loans by Loan Portfolio Segment and Class (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 42,769.7	$ 43,869.5
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	32,735.5	33,249.2
Commercial | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	13,520.1	13,336.9
Commercial | Commercial real estate | Reclassification
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	350.0
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	10,494.2	10,764.1
Commercial | Commercial and industrial | Reclassification
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	(350.0)
Commercial | Equipment financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,927.2	4,930.0
Commercial | MW/ABL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,794.0	4,218.2
Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	10,034.2	10,620.3
Retail | Adjustable-rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	5,105.4	5,517.3
Retail | Fixed-rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,961.8	3,001.6
Retail | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	8,067.2	8,518.9
Retail | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,873.9	1,997.2
Retail | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	93.1	104.2
Retail | Home equity and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,967.0	$ 2,101.4

XML

Loans - Summary of Aging Information by Class of Loan (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 42,489.2	$ 43,571.7
Total Past Due	280.5	297.8
Total	42,769.7	43,869.5
30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	118.4	149.9
90 Days or More
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	162.1	147.9
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	32,529.5	33,043.1
Total Past Due	206.0	206.1
Total	32,735.5	33,249.2
Commercial | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	13,442.1	13,283.2
Total Past Due	78.0	53.7
Total	13,520.1	13,336.9
Commercial | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	10,438.7	10,694.9
Total Past Due	55.5	69.2
Total	10,494.2	10,764.1
Commercial | Equipment financing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	4,854.7	4,846.8
Total Past Due	72.5	83.2
Total	4,927.2	4,930.0
Commercial | MW/ABL
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	3,794.0	4,218.2
Total Past Due	0.0	0.0
Total	3,794.0	4,218.2
Commercial | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	88.5	108.6
Commercial | 30-89 Days | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	25.9	27.3
Commercial | 30-89 Days | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	5.4	17.3
Commercial | 30-89 Days | Equipment financing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	57.2	64.0
Commercial | 30-89 Days | MW/ABL
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0.0	0.0
Commercial | 90 Days or More
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	117.5	97.5
Commercial | 90 Days or More | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	52.1	26.4
Commercial | 90 Days or More | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	50.1	51.9
Commercial | 90 Days or More | Equipment financing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	15.3	19.2
Commercial | 90 Days or More | MW/ABL
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0.0	0.0
Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	9,959.7	10,528.6
Total Past Due	74.5	91.7
Total	10,034.2	10,620.3
Retail | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	8,007.6	8,447.9
Total Past Due	59.6	71.0
Total	8,067.2	8,518.9
Retail | Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,859.7	1,977.3
Total Past Due	14.2	19.9
Total	1,873.9	1,997.2
Retail | Other consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	92.4	103.4
Total Past Due	0.7	0.8
Total	93.1	104.2
Retail | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	29.9	41.3
Retail | 30-89 Days | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	24.8	32.2
Retail | 30-89 Days | Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	4.6	8.4
Retail | 30-89 Days | Other consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0.5	0.7
Retail | 90 Days or More
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	44.6	50.4
Retail | 90 Days or More | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	34.8	38.8
Retail | 90 Days or More | Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	9.6	11.5
Retail | 90 Days or More | Other consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 0.2	$ 0.1

XML

Loans - Summarized Recorded Investments, by Class of Loan, in Originated Non-Performing Loans (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	$ 0.4	$ 16.6
Originated in fiscal year before latest fiscal year	16.5	42.1
Originated two years before latest fiscal year	43.3	41.6
Originated three years before latest fiscal year	65.7	46.5
Originated four years before latest fiscal year	48.9	26.3
Prior	142.4	113.7
Revolving Loans	5.9	15.7
Revolving Loans Converted to Term	30.2	26.6
Total	353.3	329.1
Non-Accrual Loans With No ACL	78.8	75.5
Government guarantees	2.5	2.5
Foreclosure
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	23.2	23.6
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.4	16.6
Originated in fiscal year before latest fiscal year	16.5	39.1
Originated two years before latest fiscal year	40.8	37.3
Originated three years before latest fiscal year	61.5	44.5
Originated four years before latest fiscal year	46.9	23.1
Prior	90.8	59.8
Revolving Loans	5.9	15.7
Revolving Loans Converted to Term	14.7	10.0
Total	277.5	246.1
Non-Accrual Loans With No ACL	45.0	39.3
Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.0	0.0
Originated in fiscal year before latest fiscal year	0.0	3.0
Originated two years before latest fiscal year	2.5	4.3
Originated three years before latest fiscal year	4.2	2.0
Originated four years before latest fiscal year	2.0	3.2
Prior	51.6	53.9
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	15.5	16.6
Total	75.8	83.0
Non-Accrual Loans With No ACL	33.8	36.2
Commercial real estate | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.0	0.0
Originated in fiscal year before latest fiscal year	0.0	8.6
Originated two years before latest fiscal year	8.5	9.7
Originated three years before latest fiscal year	33.1	2.8
Originated four years before latest fiscal year	2.6	1.9
Prior	44.0	35.4
Revolving Loans	0.3	0.2
Revolving Loans Converted to Term	1.7	1.8
Total	90.2	60.4
Non-Accrual Loans With No ACL	$ 16.3	10.9
Government guarantee percentage	5.00%
Commercial and industrial | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	$ 0.3	0.2
Originated in fiscal year before latest fiscal year	0.0	3.1
Originated two years before latest fiscal year	3.4	2.3
Originated three years before latest fiscal year	2.5	16.2
Originated four years before latest fiscal year	15.9	13.4
Prior	28.5	17.5
Revolving Loans	5.6	15.5
Revolving Loans Converted to Term	12.0	7.2
Total	68.2	75.4
Non-Accrual Loans With No ACL	$ 28.1	27.8
Government guarantee percentage	95.00%
Equipment financing | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	$ 0.1	16.4
Originated in fiscal year before latest fiscal year	16.5	27.4
Originated two years before latest fiscal year	28.9	25.3
Originated three years before latest fiscal year	25.9	25.5
Originated four years before latest fiscal year	28.4	7.8
Prior	18.3	6.9
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	118.1	109.3
Non-Accrual Loans With No ACL	0.6	0.6
MW/ABL | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.0	0.0
Originated in fiscal year before latest fiscal year	0.0	0.0
Originated two years before latest fiscal year	0.0	0.0
Originated three years before latest fiscal year	0.0	0.0
Originated four years before latest fiscal year	0.0	0.0
Prior	0.0	0.0
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	1.0	1.0
Total	1.0	1.0
Non-Accrual Loans With No ACL	0.0	0.0
Residential mortgage | Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.0	0.0
Originated in fiscal year before latest fiscal year	0.0	2.9
Originated two years before latest fiscal year	2.5	3.9
Originated three years before latest fiscal year	3.9	1.8
Originated four years before latest fiscal year	1.4	2.6
Prior	49.1	51.1
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	56.9	62.3
Non-Accrual Loans With No ACL	26.9	28.3
Home equity | Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.0	0.0
Originated in fiscal year before latest fiscal year	0.0	0.0
Originated two years before latest fiscal year	0.0	0.4
Originated three years before latest fiscal year	0.3	0.1
Originated four years before latest fiscal year	0.5	0.6
Prior	2.5	2.8
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	15.4	16.6
Total	18.7	20.5
Non-Accrual Loans With No ACL	6.9	7.9
Other consumer | Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Originated in current fiscal year	0.0	0.0
Originated in fiscal year before latest fiscal year	0.0	0.1
Originated two years before latest fiscal year	0.0	0.0
Originated three years before latest fiscal year	0.0	0.1
Originated four years before latest fiscal year	0.1	0.0
Prior	0.0	0.0
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.1	0.0
Total	0.2	0.2
Non-Accrual Loans With No ACL	$ 0.0	$ 0.0

XML

Loans - Summary of Recorded Investments in TDRs by Class of Loan (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) contract	Mar. 31, 2020 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	53	54
Pre-Modification Outstanding Recorded Investment	$ 25.5	$ 24.1
Post-Modification Outstanding Recorded Investment	$ 25.5	$ 24.1
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	14	24
Pre-Modification Outstanding Recorded Investment	$ 17.9	$ 15.8
Post-Modification Outstanding Recorded Investment	$ 17.9	$ 15.8
Retail
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	39	30
Pre-Modification Outstanding Recorded Investment	$ 7.6	$ 8.3
Post-Modification Outstanding Recorded Investment	$ 7.6	$ 8.3
Commercial real estate | Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	3	5
Pre-Modification Outstanding Recorded Investment	$ 13.2	$ 3.7
Post-Modification Outstanding Recorded Investment	$ 13.2	$ 3.7
Commercial real estate | Commercial | Extended Maturity
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	4
Post-Modification Outstanding Recorded Investment	$ 0.4	$ 3.2
Commercial real estate | Commercial | Combination of Concessions
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	2
Post-Modification Outstanding Recorded Investment	$ 12.8
Commercial real estate | Commercial | Payment Deferral
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract		1
Post-Modification Outstanding Recorded Investment		$ 0.5
Commercial and industrial | Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	10
Pre-Modification Outstanding Recorded Investment	$ 2.7	$ 9.0
Post-Modification Outstanding Recorded Investment	$ 2.7	$ 9.0
Commercial and industrial | Commercial | Extended Maturity
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	4	5
Post-Modification Outstanding Recorded Investment	$ 2.6	$ 7.4
Commercial and industrial | Commercial | Combination of Concessions
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	4
Post-Modification Outstanding Recorded Investment	$ 0.1	$ 1.3
Commercial and industrial | Commercial | Payment Deferral
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract		1
Post-Modification Outstanding Recorded Investment		$ 0.3
Equipment financing | Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	9
Pre-Modification Outstanding Recorded Investment	$ 1.3	$ 3.1
Post-Modification Outstanding Recorded Investment	$ 1.3	$ 3.1
Equipment financing | Commercial | Extended Maturity
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	4	1
Post-Modification Outstanding Recorded Investment	$ 0.5	$ 1.2
Equipment financing | Commercial | Combination of Concessions
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	3
Post-Modification Outstanding Recorded Investment	$ 0.8	$ 1.4
Equipment financing | Commercial | Payment Deferral
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract		5
Post-Modification Outstanding Recorded Investment		$ 0.5
MW/ABL | Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 0.7	$ 0.0
Post-Modification Outstanding Recorded Investment	$ 0.7	$ 0.0
MW/ABL | Commercial | Extended Maturity
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1
Post-Modification Outstanding Recorded Investment	$ 0.7
Residential mortgage | Retail
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	17	13
Pre-Modification Outstanding Recorded Investment	$ 6.1	$ 6.2
Post-Modification Outstanding Recorded Investment	$ 6.1	$ 6.2
Residential mortgage | Retail | Combination of Concessions
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	1
Post-Modification Outstanding Recorded Investment	$ 2.9	$ 0.1
Residential mortgage | Retail | Bankruptcy
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	3	3
Post-Modification Outstanding Recorded Investment	$ 0.2	$ 0.6
Residential mortgage | Retail | Payment Deferral
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	9	9
Post-Modification Outstanding Recorded Investment	$ 3.0	$ 5.5
Home equity | Retail
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	22	17
Pre-Modification Outstanding Recorded Investment	$ 1.5	$ 2.1
Post-Modification Outstanding Recorded Investment	$ 1.5	$ 2.1
Home equity | Retail | Combination of Concessions
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	15	11
Post-Modification Outstanding Recorded Investment	$ 1.0	$ 1.5
Home equity | Retail | Bankruptcy
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	5
Post-Modification Outstanding Recorded Investment	$ 0.1	$ 0.5
Home equity | Retail | Payment Deferral
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	6	1
Post-Modification Outstanding Recorded Investment	$ 0.4	$ 0.1
Other consumer | Retail
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0.0	$ 0.0
Post-Modification Outstanding Recorded Investment	$ 0.0	$ 0.0

XML

Loans - Summary of Recorded Investments in TDRs by Class of Loan, Subsequently Defaulted (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) contract	Mar. 31, 2020 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	8	9
Recorded Investment as of Period End | $	$ 2.8	$ 3.9
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	5
Recorded Investment as of Period End | $	$ 0.7	$ 2.6
Commercial | Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment as of Period End | $	$ 0.0	$ 0.0
Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	1
Recorded Investment as of Period End | $	$ 0.0	$ 0.1
Commercial | Equipment financing
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	4
Recorded Investment as of Period End | $	$ 0.7	$ 2.5
Commercial | MW/ABL
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment as of Period End | $	$ 0.0	$ 0.0
Retail
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	3	4
Recorded Investment as of Period End | $	$ 2.1	$ 1.3
Retail | Residential mortgage
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	3	3
Recorded Investment as of Period End | $	$ 2.1	$ 1.3
Retail | Home equity
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	1
Recorded Investment as of Period End | $	$ 0.0	$ 0.0
Retail | Other consumer
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Recorded Investment as of Period End | $	$ 0.0	$ 0.0

XML

Loans - Schedule of Commercial Loans By Risk Ratings (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment [Line Items]
Total	$ 42,769.7	$ 43,869.5
Commercial
Financing Receivable, Recorded Investment [Line Items]
Total	32,735.5	33,249.2
Commercial | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	189.4	889.0
Originated in fiscal year before current fiscal year	993.2	1,842.8
Originated two years before current fiscal year	2,054.3	1,779.3
Originated three years before current fiscal year	1,847.2	1,580.9
Originated four years before current fiscal year	1,515.4	1,396.3
Prior	6,729.2	5,655.6
Revolving Loans	162.9	169.1
Revolving Loans Converted to Term	28.5	23.9
Total	13,520.1	13,336.9
Commercial | Commercial real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	188.4	848.5
Originated in fiscal year before current fiscal year	902.4	1,743.2
Originated two years before current fiscal year	1,919.8	1,490.4
Originated three years before current fiscal year	1,506.1	1,397.8
Originated four years before current fiscal year	1,277.1	1,274.2
Prior	5,895.1	5,039.3
Revolving Loans	158.4	165.8
Revolving Loans Converted to Term	24.3	19.7
Total	11,871.6	11,978.9
Commercial | Commercial real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	28.5
Originated in fiscal year before current fiscal year	78.4	72.9
Originated two years before current fiscal year	105.7	225.6
Originated three years before current fiscal year	224.5	131.2
Originated four years before current fiscal year	157.3	58.9
Prior	460.7	362.7
Revolving Loans	1.4	0.5
Revolving Loans Converted to Term	0.0	0.0
Total	1,028.0	880.3
Commercial | Commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	1.0	12.0
Originated in fiscal year before current fiscal year	12.4	26.7
Originated two years before current fiscal year	28.8	63.3
Originated three years before current fiscal year	116.6	51.9
Originated four years before current fiscal year	81.0	63.2
Prior	372.7	252.7
Revolving Loans	3.1	2.8
Revolving Loans Converted to Term	4.2	4.2
Total	619.8	476.8
Commercial | Commercial real estate | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	0.0
Originated two years before current fiscal year	0.0	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.0
Prior	0.7	0.9
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	0.7	0.9
Commercial | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	1,262.1	3,093.7
Originated in fiscal year before current fiscal year	2,289.4	1,364.9
Originated two years before current fiscal year	1,132.5	952.5
Originated three years before current fiscal year	790.2	695.0
Originated four years before current fiscal year	683.6	574.9
Prior	2,225.5	1,853.3
Revolving Loans	2,020.1	2,127.6
Revolving Loans Converted to Term	90.8	102.2
Total	10,494.2	10,764.1
Commercial | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	1,256.8	2,952.8
Originated in fiscal year before current fiscal year	2,197.8	1,236.9
Originated two years before current fiscal year	987.0	821.9
Originated three years before current fiscal year	679.7	527.1
Originated four years before current fiscal year	501.3	487.2
Prior	1,884.3	1,588.5
Revolving Loans	1,877.0	1,949.1
Revolving Loans Converted to Term	64.2	77.4
Total	9,448.1	9,640.9
Commercial | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	3.0	113.9
Originated in fiscal year before current fiscal year	76.5	41.7
Originated two years before current fiscal year	55.1	46.4
Originated three years before current fiscal year	50.6	120.3
Originated four years before current fiscal year	128.2	57.1
Prior	178.3	122.1
Revolving Loans	60.0	80.8
Revolving Loans Converted to Term	5.6	6.3
Total	557.3	588.6
Commercial | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	2.3	27.0
Originated in fiscal year before current fiscal year	15.1	86.3
Originated two years before current fiscal year	90.0	84.2
Originated three years before current fiscal year	59.9	47.6
Originated four years before current fiscal year	54.1	29.8
Prior	160.6	141.2
Revolving Loans	83.1	97.7
Revolving Loans Converted to Term	20.9	18.4
Total	486.0	532.2
Commercial | Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	0.0
Originated two years before current fiscal year	0.4	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.8
Prior	2.3	1.5
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.1	0.1
Total	2.8	2.4
Commercial | Equipment financing
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	535.6	1,893.7
Originated in fiscal year before current fiscal year	1,734.1	1,523.7
Originated two years before current fiscal year	1,373.2	831.6
Originated three years before current fiscal year	725.4	419.2
Originated four years before current fiscal year	347.9	177.6
Prior	211.0	84.2
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	4,927.2	4,930.0
Commercial | Equipment financing | Pass
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	493.4	1,703.3
Originated in fiscal year before current fiscal year	1,557.4	1,358.7
Originated two years before current fiscal year	1,225.0	727.2
Originated three years before current fiscal year	636.2	362.1
Originated four years before current fiscal year	299.8	155.5
Prior	178.4	67.1
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	4,390.2	4,373.9
Commercial | Equipment financing | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	6.6	20.5
Originated in fiscal year before current fiscal year	21.5	27.5
Originated two years before current fiscal year	25.4	16.7
Originated three years before current fiscal year	11.1	7.3
Originated four years before current fiscal year	5.1	4.2
Prior	1.0	1.5
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	70.7	77.7
Commercial | Equipment financing | Substandard
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	35.6	169.9
Originated in fiscal year before current fiscal year	155.2	137.5
Originated two years before current fiscal year	122.8	87.7
Originated three years before current fiscal year	78.1	49.8
Originated four years before current fiscal year	43.0	17.9
Prior	31.6	15.6
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	466.3	478.4
Commercial | Equipment financing | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	0.0
Originated two years before current fiscal year	0.0	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.0
Prior	0.0	0.0
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	0.0	0.0
Commercial | MW/ABL
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	12.4	99.4
Originated in fiscal year before current fiscal year	94.3	27.2
Originated two years before current fiscal year	24.1	18.3
Originated three years before current fiscal year	16.6	8.8
Originated four years before current fiscal year	7.8	14.1
Prior	35.0	19.6
Revolving Loans	3,602.8	4,029.8
Revolving Loans Converted to Term	1.0	1.0
Total	3,794.0	4,218.2
Commercial | MW/ABL | Pass
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	12.4	99.4
Originated in fiscal year before current fiscal year	94.3	18.6
Originated two years before current fiscal year	17.3	18.3
Originated three years before current fiscal year	16.6	8.8
Originated four years before current fiscal year	7.8	14.1
Prior	35.0	19.6
Revolving Loans	3,540.5	3,994.3
Revolving Loans Converted to Term	0.0	0.0
Total	3,723.9	4,173.1
Commercial | MW/ABL | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	6.9
Originated two years before current fiscal year	6.8	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.0
Prior	0.0	0.0
Revolving Loans	44.7	20.5
Revolving Loans Converted to Term	0.0	0.0
Total	51.5	27.4
Commercial | MW/ABL | Substandard
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	1.7
Originated two years before current fiscal year	0.0	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.0
Prior	0.0	0.0
Revolving Loans	17.6	15.0
Revolving Loans Converted to Term	1.0	1.0
Total	18.6	17.7
Commercial | MW/ABL | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	0.0
Originated two years before current fiscal year	0.0	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.0
Prior	0.0	0.0
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	$ 0.0	$ 0.0

XML

Loans - Schedule of Retail Loans By Risk Ratings (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment [Line Items]
Total	$ 42,769.7	$ 43,869.5
Retail
Financing Receivable, Recorded Investment [Line Items]
Total	10,034.2	10,620.3
Retail | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	281.0	1,443.2
Originated in fiscal year before current fiscal year	1,527.2	866.3
Originated two years before current fiscal year	781.0	877.2
Originated three years before current fiscal year	749.9	1,131.1
Originated four years before current fiscal year	971.6	1,611.4
Prior	3,756.5	2,589.7
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	8,067.2	8,518.9
Retail | Residential mortgage | Low risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	95.1	609.5
Originated in fiscal year before current fiscal year	695.7	349.1
Originated two years before current fiscal year	332.8	338.3
Originated three years before current fiscal year	300.8	504.0
Originated four years before current fiscal year	457.7	1,004.6
Prior	2,567.1	1,793.8
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	4,449.2	4,599.3
Retail | Residential mortgage | Moderate risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	144.7	752.5
Originated in fiscal year before current fiscal year	770.5	456.8
Originated two years before current fiscal year	405.1	443.9
Originated three years before current fiscal year	364.9	517.5
Originated four years before current fiscal year	417.1	520.2
Prior	857.7	519.8
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	2,960.0	3,210.7
Retail | Residential mortgage | High risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	41.2	81.2
Originated in fiscal year before current fiscal year	61.0	60.4
Originated two years before current fiscal year	43.1	95.0
Originated three years before current fiscal year	84.2	109.6
Originated four years before current fiscal year	96.8	86.6
Prior	331.7	276.1
Revolving Loans	0.0	0.0
Revolving Loans Converted to Term	0.0	0.0
Total	658.0	708.9
Retail | Home equity
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	1.1	5.3
Originated in fiscal year before current fiscal year	4.7	32.9
Originated two years before current fiscal year	29.3	68.4
Originated three years before current fiscal year	61.2	58.8
Originated four years before current fiscal year	51.8	24.8
Prior	76.1	58.0
Revolving Loans	1,425.1	1,515.7
Revolving Loans Converted to Term	224.6	233.3
Total	1,873.9	1,997.2
Retail | Home equity | Low risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.2	1.9
Originated in fiscal year before current fiscal year	1.9	7.4
Originated two years before current fiscal year	6.6	21.1
Originated three years before current fiscal year	18.2	24.6
Originated four years before current fiscal year	22.0	10.7
Prior	34.1	25.8
Revolving Loans	560.2	580.0
Revolving Loans Converted to Term	45.5	42.9
Total	688.7	714.4
Retail | Home equity | Moderate risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.4	0.6
Originated in fiscal year before current fiscal year	0.4	3.7
Originated two years before current fiscal year	3.4	9.2
Originated three years before current fiscal year	9.6	12.2
Originated four years before current fiscal year	10.0	6.6
Prior	17.9	13.4
Revolving Loans	485.2	520.0
Revolving Loans Converted to Term	46.0	45.3
Total	572.9	611.0
Retail | Home equity | High risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.5	2.8
Originated in fiscal year before current fiscal year	2.4	21.8
Originated two years before current fiscal year	19.3	38.1
Originated three years before current fiscal year	33.4	22.0
Originated four years before current fiscal year	19.8	7.5
Prior	24.1	18.8
Revolving Loans	379.7	415.7
Revolving Loans Converted to Term	133.1	145.1
Total	612.3	671.8
Retail | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	1.8	6.4
Originated in fiscal year before current fiscal year	5.3	29.0
Originated two years before current fiscal year	24.4	19.6
Originated three years before current fiscal year	16.4	3.2
Originated four years before current fiscal year	2.7	1.4
Prior	11.6	11.3
Revolving Loans	30.4	33.0
Revolving Loans Converted to Term	0.5	0.3
Total	93.1	104.2
Retail | Other consumer | Low risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.5	0.9
Originated in fiscal year before current fiscal year	0.7	1.7
Originated two years before current fiscal year	1.6	1.7
Originated three years before current fiscal year	1.5	0.9
Originated four years before current fiscal year	0.9	0.4
Prior	3.0	2.7
Revolving Loans	11.2	11.4
Revolving Loans Converted to Term	0.2	0.1
Total	19.6	19.8
Retail | Other consumer | Moderate risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	0.0	0.0
Originated in fiscal year before current fiscal year	0.0	0.0
Originated two years before current fiscal year	0.0	0.0
Originated three years before current fiscal year	0.0	0.0
Originated four years before current fiscal year	0.0	0.0
Prior	0.1	0.1
Revolving Loans	3.9	4.8
Revolving Loans Converted to Term	0.1	0.1
Total	4.1	5.0
Retail | Other consumer | High risk
Financing Receivable, Recorded Investment [Line Items]
Originated in fiscal year	1.3	5.5
Originated in fiscal year before current fiscal year	4.6	27.3
Originated two years before current fiscal year	22.8	17.9
Originated three years before current fiscal year	14.9	2.3
Originated four years before current fiscal year	1.8	1.0
Prior	8.5	8.5
Revolving Loans	15.3	16.8
Revolving Loans Converted to Term	0.2	0.1
Total	$ 69.4	$ 79.4

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Loans - Summary of Revolving Loans Converted to Term (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	$ 35.2
Commercial
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	23.3
Commercial | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	5.6
Commercial | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	17.7
Commercial | Equipment financing
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	0.0
Commercial | MW/ABL
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	0.0
Retail
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	11.9
Retail | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	0.0
Retail | Home equity
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	11.8
Retail | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Revolving loans converted to term during period	$ 0.1

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Allowance For Credit Losses (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Allowance for Credit Loss [Abstract]
Financing receivable, allowance for credit losses, collectively evaluated for impairment	$ 374.8	$ 404.6
Financing receivable, allowance for credit losses, individually evaluated for impairment	$ 24.3	$ 20.5

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Schedule of Allowance For Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 425.1	$ 246.6
Charge-offs	(17.8)	(12.6)
Recoveries	5.4	2.0
Net loan charge-offs	(12.4)	(10.6)
Provision for credit losses	(13.6)	33.5
Balance at end of period	399.1	341.7
Commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	303.6	217.9
Charge-offs	(16.6)	(9.7)
Recoveries	4.1	1.4
Net loan charge-offs	(12.5)	(8.3)
Provision for credit losses	(40.1)	19.5
Balance at end of period	251.0	211.8
Retail
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	121.5	28.7
Charge-offs	(1.2)	(2.9)
Recoveries	1.3	0.6
Net loan charge-offs	0.1	(2.3)
Provision for credit losses	26.5	14.0
Balance at end of period	148.1	129.9
Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	0.0	72.2
Cumulative Effect, Period Of Adoption, Adjustment | Commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	0.0	(17.3)
Cumulative Effect, Period Of Adoption, Adjustment | Retail
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	0.0	89.5
Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	425.1	318.8
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	303.6	200.6
Cumulative Effect, Period Of Adoption, Adjusted Balance | Retail
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 121.5	$ 118.2

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Allowance For Credit Losses - Off-Balance Sheet (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	$ 26.9	$ 5.6
Provision charged (credited) to income	0.8	0.6
Balance at end of period	27.7	20.7
Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	0.0	14.5
Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	$ 26.9	$ 20.1

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Leases - Net Investment in Lease Financing Receivables (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Lease payments receivable	$ 1,400.6	$ 1,418.4
Estimated residual value of leased assets	132.6	132.7
Total	1,533.2	1,551.1
Plus: Deferred origination costs	11.1	11.6
Less: Unearned income	(147.9)	(150.7)
Total net investment in lease financing receivables	$ 1,396.4	$ 1,412.0

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Leases - Contractual Maturities of Lease Financing Receivables (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
2021	$ 410.0
2022	451.6
2023	316.1
2024	201.1
2025	112.7
Later years	41.7
Total	$ 1,533.2	$ 1,551.1

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Leases - Schedule of Lease Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Lease financing receivables	$ 16.6	$ 17.6
Operating leases	11.3	12.6
Total lease income	$ 27.9	$ 30.2

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Leases - Cost and Supplemental Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 16.0	$ 16.7
Variable lease cost	2.8	3.1
Finance lease cost	0.1	0.1
Sublease income	(0.5)	(0.5)
Net lease cost	$ 18.4	19.4
Lease ROU assets:
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets		us-gaap:OtherAssets
Operating leases	$ 227.4		$ 234.9
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets		us-gaap:OtherAssets
Finance leases	$ 2.3		$ 2.3
Lease liabilities:
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities (notes 1, 4, 5 and 13)		Other liabilities (notes 1, 4, 5 and 13)
Operating leases	$ 259.7		$ 270.4
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities (notes 1, 4, 5 and 13)		Other liabilities (notes 1, 4, 5 and 13)
Finance leases	$ 4.8		$ 4.9
Weighted-average discount rate:
Operating leases	3.07%		3.08%
Finance leases	2.59%		2.59%
Weighted-average remaining lease term (in years):
Operating leases	7 years 6 months		7 years 7 months 6 days
Finance leases	11 years		11 years 2 months 12 days
Cash payments included in the measurement of lease liabilities:
Reported in operating cash from operating leases	$ 17.0	17.1
Reported in financing cash from finance leases	0.1	0.1
ROU assets obtained in exchange for lessee:
Operating lease liabilities	$ 6.0	$ 14.3

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Leases - Contractual Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Operating Leases
2021	$ 51.1
2022	49.9
2023	38.1
2024	32.1
2025	27.5
Later years	95.7
Total lease payments	294.4
Less: Interest	(34.7)
Total lease liabilities	259.7	$ 270.4
Finance Leases
2021	0.4
2022	0.5
2023	0.5
2024	0.5
2025	0.5
Later years	3.1
Total lease payments	5.5
Less: Interest	(0.7)
Total lease liabilities	$ 4.8	$ 4.9

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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2019
Schedule Of Stockholders Equity [Line Items]
Preferred stock, shares authorized (in shares)		50,000,000.0	50,000,000.0
Preferred stock par value, per share (USD per share)		$ 0.01	$ 0.01
Preferred stock, shares issued (in shares)		10,000,000.0	10,000,000.0
Common stock, shares authorized (in shares)		1,950,000,000	1,950,000,000
Common stock, par value (USD per share)		$ 0.01	$ 0.01
Common stock, shares issued (in shares)		536,200,000	533,700,000
Common stock purchased (in shares)		109,000,000.0	109,000,000.0
Number of shares authorized for repurchase (in shares)				20,000,000.0
Treasury stock shares acquired (in shares)	19,800,000
Treasury stock acquired	$ 304.4
People's United Financial, Inc.
Schedule Of Stockholders Equity [Line Items]
Preferred stock, shares authorized (in shares)		50,000,000.0	50,000,000.0
Preferred stock par value, per share (USD per share)		$ 0.01	$ 0.01
Preferred stock, shares issued (in shares)		10,000,000.0	10,000,000.0
Common stock, shares authorized (in shares)		1,950,000,000	1,950,000,000
Common stock, par value (USD per share)		$ 0.01	$ 0.01
Common stock, shares issued (in shares)		536,200,000	533,700,000
Repurchases Authorized by Board of Directors
Schedule Of Stockholders Equity [Line Items]
Common stock purchased (in shares)		106,400,000	106,400,000
2007 Recognition and Retention Plan
Schedule Of Stockholders Equity [Line Items]
Common stock purchased (in shares)		2,600,000	2,600,000
2014 Long-Term Incentive Plan | 2007 Recognition and Retention Plan
Schedule Of Stockholders Equity [Line Items]
Additional awards under RRP (in shares)		0

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Stockholders' Equity - Schedule of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 7,602.8	$ 7,947.2
Other comprehensive income (loss) before reclassifications	(108.0)	71.6
Amounts reclassified from AOCL	1.9	2.6
Current period other comprehensive income (loss)	(106.1)	74.2
Ending Balance	7,592.2	7,725.5
Pension and Other Postretirement Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(181.8)	(176.2)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Amounts reclassified from AOCL	0.4	1.6
Current period other comprehensive income (loss)	0.4	1.6
Ending Balance	(181.4)	(174.6)
Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	103.1	20.8
Other comprehensive income (loss) before reclassifications	(108.5)	71.6
Amounts reclassified from AOCL	0.0	0.0
Current period other comprehensive income (loss)	(108.5)	71.6
Ending Balance	(5.4)	92.4
Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(8.2)	(11.8)
Other comprehensive income (loss) before reclassifications	0.1	0.0
Amounts reclassified from AOCL	1.2	1.0
Current period other comprehensive income (loss)	1.3	1.0
Ending Balance	(6.9)	(10.8)
Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(2.3)	0.3
Other comprehensive income (loss) before reclassifications	0.4	0.0
Amounts reclassified from AOCL	0.3	0.0
Current period other comprehensive income (loss)	0.7	0.0
Ending Balance	(1.6)	0.3
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(89.2)	(166.9)
Current period other comprehensive income (loss)	(106.1)	74.2
Ending Balance	$ (195.3)	$ (92.7)

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Stockholders' Equity - Summary of Amounts Reclassified from AOCL (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other noninterest income	$ 17.1	$ 45.6
Interest and dividend income - securities	(7.2)	(8.8)
Income before income tax expense	182.2	166.2
Income tax expense	(37.7)	(35.8)
Net income	144.5	130.4
Reclassification out of AOCL
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income	(1.9)	(2.6)
Reclassification out of AOCL | Pension and Other Postretirement Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income tax expense	(2.6)	(2.0)
Income tax expense	2.2	0.4
Net income	(0.4)	(1.6)
Reclassification out of AOCL | Net Actuarial Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other noninterest income	(2.6)	(2.0)
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Debt Securities Available-for-Sale
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income tax expense	0.0	0.0
Income tax expense	0.0	0.0
Net income	0.0	0.0
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Debt Securities Transferred to Held-to-Maturity
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income tax expense	(1.6)	(1.3)
Income tax expense	0.4	0.3
Net income	(1.2)	(1.0)
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income tax expense	(0.4)	0.0
Income tax expense	0.1	0.0
Net income	(0.3)	0.0
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges | Interest rate swaps
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest and dividend income - securities	(0.4)	0.0
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges | Interest rate swaps | Maximum
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income	0.1
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges | Interest rate locks
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest and dividend income - securities	$ 0.0	0.0
Reclassification out of AOCL | Net Unrealized Gains (Losses) on Derivatives Accounted for as Cash Flow Hedges | Interest rate locks | Maximum
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income		$ 0.1

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Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net income available to common shareholders	$ 141.0	$ 126.9
Dividends paid on and undistributed earnings allocated to participating securities	0.0	0.0
Earnings attributable to common shareholders	$ 141.0	$ 126.9
Weighted average common shares outstanding for basic EPS (in shares)	419.1	427.2
Effect of dilutive equity-based awards (in shares)	3.5	2.6
Weighted average common shares and common-equivalent shares for diluted EPS (in shares)	422.6	429.8
EPS:
Basic (USD per share)	$ 0.34	$ 0.30
Diluted (USD per share)	$ 0.33	$ 0.30
Anti-dilutive equity-based awards excluded from calculation of diluted EPS (in shares)	11.7	12.9

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Goodwill and Other Acquisition-Related Intangible Assets - Additional Information (Detail) - USD ($)		3 Months Ended
	Oct. 01, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Goodwill And Other Intangible Assets [Line Items]
Goodwill		$ 2,680,800,000		$ 2,680,800,000
Goodwill impairment	$ 353,000,000.0
Impairment percent of total goodwill	12.00%
Tax deductible goodwill amount		111,100,000		113,600,000
Other acquisition-related intangible assets		153,800,000		165,100,000
Amortization of other acquisition-related intangible assets		11,000,000.0	$ 10,700,000
Amortization expense attributable to other acquisition-related intangible assets, 2021		35,400,000
Amortization expense attributable to other acquisition-related intangible assets, 2022		30,900,000
Amortization expense attributable to other acquisition-related intangible assets, 2023		23,200,000
Amortization expense attributable to other acquisition-related intangible assets, 2024		19,500,000
Amortization expense attributable to other acquisition-related intangible assets, 2025		16,600,000
Amortization expense attributable to other acquisition-related intangible assets, 2026		13,700,000
Impairment losses relating to goodwill or other acquisition-related intangible assets		0	$ 0
Commercial Banking
Goodwill And Other Intangible Assets [Line Items]
Goodwill		1,970,000,000		1,970,000,000
Percentage of fair value in excess of carrying amount	4.00%
Retail Banking
Goodwill And Other Intangible Assets [Line Items]
Goodwill		657,900,000		657,900,000
Wealth Management
Goodwill And Other Intangible Assets [Line Items]
Goodwill		56,800,000		$ 56,800,000
Percentage of fair value in excess of carrying amount	103.00%
Core Deposit Intangibles
Goodwill And Other Intangible Assets [Line Items]
Other acquisition-related intangible assets		91,000,000.0
Trade Name
Goodwill And Other Intangible Assets [Line Items]
Other acquisition-related intangible assets		42,800,000
Client Relationship
Goodwill And Other Intangible Assets [Line Items]
Other acquisition-related intangible assets		15,400,000
Trust relationships
Goodwill And Other Intangible Assets [Line Items]
Other acquisition-related intangible assets		4,400,000
Favorable Lease Agreement
Goodwill And Other Intangible Assets [Line Items]
Other acquisition-related intangible assets		100,000
Noncompete Agreements
Goodwill And Other Intangible Assets [Line Items]
Other acquisition-related intangible assets		$ 100,000

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Employee Benefit Plans - Employee Pension and Other Postretirement Plans (Detail)	3 Months Ended
	Mar. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Average compensation term on which pension plan benefits are based, in years	5 years
Average compensation term within last ten years on which pension plan benefits are based, in years	5 years
Term considered when determining employee pension benefits, in years	10 years
Minimum age requirement to participate in pension plan, years	18 years
Minimum service hours per year requirement to participate in pension plan	1000 hours
People's Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of covered employee's eligible compensation	3.00%

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Employee Benefit Plans - Components of Net Periodic Benefit (Income) Expense and Other Amounts (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 3.6	$ 4.9
Expected return on plan assets	(13.2)	(12.4)
Recognized net actuarial loss	2.6	2.0
Settlements	0.3	0.8
Net periodic benefit (income) expense	(6.7)	(4.7)
Net actuarial loss	(2.6)	(2.0)
Total pre-tax changes recognized in other comprehensive income (loss)	(2.6)	(2.0)
Total recognized in net periodic benefit (income) expense and other comprehensive income (loss)	(9.3)	(6.7)
Other Postretirement Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	0.2	0.3
Expected return on plan assets	0.0	0.0
Recognized net actuarial loss	0.0	0.0
Settlements	0.0	0.0
Net periodic benefit (income) expense	0.2	0.3
Net actuarial loss	0.0	0.0
Total pre-tax changes recognized in other comprehensive income (loss)	0.0	0.0
Total recognized in net periodic benefit (income) expense and other comprehensive income (loss)	$ 0.2	$ 0.3

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Employee Benefit Plans - Employee Stock Ownership Plan (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Apr. 30, 2007	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Retirement Benefits [Abstract]
ESOP loan	$ 216.8	$ 166.7
ESOP, shares to be purchased	10,453,575
Loan repayments expected annual through 2036	$ 18.8
Cash dividends paid on unallocated ESOP shares		$ 1.0
Minimum age requirement to participate in ESOP		18 years
Minimum work experience within 12 months of hire needed to participate in ESOP		1000 hours
ESOP common stock allocated (in shares)		4,965,448
Unallocated common stock of Employee Stock Ownership Plan (in shares)		5,488,127		5,600,000
Fair value of deferred ESOP shares		$ 98.2
ESOP compensation expense		$ 1.4	$ 1.2

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Fair Value Measurements - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021
GSE mortgage-backed securities | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maturity period of available-for-sale residential mortgage-backed securities portfolio	7 years
GSE mortgage-backed securities | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maturity period of available-for-sale residential mortgage-backed securities portfolio	40 years
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount to impaired loans	10.00%

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Fair Value Measurements - Assets and Liabilities on Recurring Basis (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	$ 6,160.6	$ 4,925.5
Equity securities	1.5	5.3
Derivative assets	34.7	18.6
Fair value of total assets measured at fair value on a recurring basis	6,743.5	5,788.0
Financial liabilities	107.0	168.6
Fair value of total liabilities measured at fair value on a recurring basis	131.1	170.4
Exchange-traded funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	83.2	53.0
Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	3.7	3.9
U.S. Treasury and agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	539.2	541.6
GSE mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	5,621.4	4,383.9
Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	1.5	5.3
Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	479.1	783.8
Financial liabilities	122.9	157.2
Interest rate caps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	2.3	3.0
Financial liabilities	2.3	3.0
Risk participation agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.3	0.4
Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	13.0	12.8
Financial liabilities	5.5	8.8
Forward commitments to sell residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.1	0.7
Interest rate-lock commitments on residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.1	1.0
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total assets measured at fair value on a recurring basis	627.6	603.8
Fair value of total liabilities measured at fair value on a recurring basis	0.0	0.0
Level 1 | Exchange-traded funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	83.2	53.0
Level 1 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	3.7	3.9
Level 1 | U.S. Treasury and agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	539.2	541.6
Level 1 | GSE mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	0.0	0.0
Level 1 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	1.5	5.3
Level 1 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Financial liabilities	0.0	0.0
Level 1 | Interest rate caps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Financial liabilities	0.0	0.0
Level 1 | Risk participation agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.0	0.0
Level 1 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Financial liabilities	0.0	0.0
Level 1 | Forward commitments to sell residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Level 1 | Interest rate-lock commitments on residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.0	0.0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total assets measured at fair value on a recurring basis	6,115.9	5,184.2
Fair value of total liabilities measured at fair value on a recurring basis	131.1	170.4
Level 2 | Exchange-traded funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0.0	0.0
Level 2 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0.0	0.0
Level 2 | U.S. Treasury and agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	0.0	0.0
Level 2 | GSE mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	5,621.4	4,383.9
Level 2 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0.0	0.0
Level 2 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	479.1	783.8
Financial liabilities	122.9	157.2
Level 2 | Interest rate caps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	2.3	3.0
Financial liabilities	2.3	3.0
Level 2 | Risk participation agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.3	0.4
Level 2 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	13.0	12.8
Financial liabilities	5.5	8.8
Level 2 | Forward commitments to sell residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.1	0.7
Level 2 | Interest rate-lock commitments on residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.1	1.0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total assets measured at fair value on a recurring basis	0.0	0.0
Fair value of total liabilities measured at fair value on a recurring basis	0.0	0.0
Level 3 | Exchange-traded funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0.0	0.0
Level 3 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0.0	0.0
Level 3 | U.S. Treasury and agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	0.0	0.0
Level 3 | GSE mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale, at fair value	0.0	0.0
Level 3 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0.0	0.0
Level 3 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Financial liabilities	0.0	0.0
Level 3 | Interest rate caps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Financial liabilities	0.0	0.0
Level 3 | Risk participation agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	0.0	0.0
Level 3 | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Financial liabilities	0.0	0.0
Level 3 | Forward commitments to sell residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Level 3 | Interest rate-lock commitments on residential mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities	$ 0.0	$ 0.0

XML

Fair Value Measurements - Assets on Non-Recurring Basis (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	$ 10,100,000		$ 26,500,000
Goodwill	2,680,800,000		2,680,800,000
Fair value of total assets measured at fair value on a recurring basis	6,743,500,000		5,788,000,000.0
Allowance for loan losses	399,100,000	$ 341,700,000	425,100,000	$ 246,600,000
Provision for credit losses	(13,600,000)	33,500,000
Repossessed assets	5,400,000		5,700,000
Impaired Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Provision for credit losses		3,900,000
REO and Repossessed Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Provision for credit losses	200,000	1,200,000
Nonoperating Income (Expense)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Write downs and net loss on sale of foreclosed/repossessed assets charged to non-interest expense total	(700,000)	400,000
Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate owned	3,500,000		3,600,000
Residential mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value adjustments	0	0
Real estate owned	1,500,000		3,200,000
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total assets measured at fair value on a recurring basis	627,600,000		603,800,000
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total assets measured at fair value on a recurring basis	6,115,900,000		5,184,200,000
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total assets measured at fair value on a recurring basis	0		0
Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	10,100,000		26,500,000
Goodwill			2,680,800,000
REO and repossessed assets	10,400,000		12,500,000
Servicing asset	5,300,000		4,800,000
Fair value of total assets measured at fair value on a recurring basis	71,200,000		2,757,400,000
Fair value adjustments	500,000	$ (3,000,000.0)
Nonrecurring | Collateral Pledged
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans	45,400,000		32,800,000
Nonrecurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	0		0
Goodwill			0
REO and repossessed assets	0		0
Servicing asset	0		0
Fair value of total assets measured at fair value on a recurring basis	0		0
Nonrecurring | Level 1 | Collateral Pledged
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans	0		0
Nonrecurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	10,100,000		26,500,000
Goodwill			0
REO and repossessed assets	0		0
Servicing asset	0		0
Fair value of total assets measured at fair value on a recurring basis	10,100,000		26,500,000
Nonrecurring | Level 2 | Collateral Pledged
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans	0		0
Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	0		0
Goodwill			2,680,800,000
REO and repossessed assets	10,400,000		12,500,000
Servicing asset	5,300,000		4,800,000
Fair value of total assets measured at fair value on a recurring basis	61,100,000		2,730,900,000
Nonrecurring | Level 3 | Collateral Pledged
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans	45,400,000		32,800,000
Allowance for loan losses	24,300,000		$ 20,500,000
Provision for credit losses	$ 7,300,000

XML

Fair Value Measurements - Financial Instruments (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 464.2	$ 477.3
Short-term investments	4,992.1	3,766.0
Debt securities held-to-maturity	4,018.4	3,995.4
FHLB and FRB stock	266.2	266.6
Time deposits	4,908.3	5,658.8
FHLB advances	569.7	569.7
Federal funds purchased	150.0	125.0
Customer repurchase agreements	436.2	452.9
Notes and debentures	1,003.3	1,009.6
Nonrecurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans		32.8
Collateral Pledged | Nonrecurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans	45.4
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	464.2	477.3
Short-term investments	4,992.1	3,766.0
Debt securities held-to-maturity	4,016.8	3,993.8
FHLB and FRB stock	266.2	266.6
Total loans, net	42,325.2	43,411.6
Time deposits	4,908.3	5,658.8
Other deposits	48,567.0	46,478.9
FHLB advances	569.7	569.7
Federal funds purchased	150.0	452.9
Customer repurchase agreements	436.2	125.0
Notes and debentures	1,003.3	1,009.6
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	464.2	477.3
Short-term investments	4,992.1	3,766.0
Debt securities held-to-maturity	4,235.5	4,267.0
FHLB and FRB stock	266.2	266.6
Total loans, net	42,568.3	43,833.4
Time deposits	4,939.7	5,699.7
Other deposits	48,567.0	46,478.9
FHLB advances	570.0	570.3
Federal funds purchased	150.0	452.9
Customer repurchase agreements	436.1	125.0
Notes and debentures	1,036.8	1,035.8
Fair Value | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	464.2	477.3
Short-term investments	0.0	0.0
Debt securities held-to-maturity	0.0	0.0
FHLB and FRB stock	0.0	0.0
Total loans, net	0.0	0.0
Time deposits	0.0	0.0
Other deposits	0.0	0.0
FHLB advances	0.0	0.0
Federal funds purchased	0.0	0.0
Customer repurchase agreements	0.0	0.0
Notes and debentures	0.0	0.0
Fair Value | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0.0	0.0
Short-term investments	4,992.1	3,766.0
Debt securities held-to-maturity	4,234.0	4,265.5
FHLB and FRB stock	266.2	266.6
Total loans, net	8,007.3	8,539.4
Time deposits	4,939.7	5,699.7
Other deposits	48,567.0	46,478.9
FHLB advances	570.0	570.3
Federal funds purchased	150.0	452.9
Customer repurchase agreements	436.1	125.0
Notes and debentures	1,036.8	1,035.8
Fair Value | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0.0	0.0
Short-term investments	0.0	0.0
Debt securities held-to-maturity	1.5	1.5
FHLB and FRB stock	0.0	0.0
Total loans, net	34,561.0	35,294.0
Time deposits	0.0	0.0
Other deposits	0.0	0.0
FHLB advances	0.0	0.0
Federal funds purchased	0.0	0.0
Customer repurchase agreements	0.0	0.0
Notes and debentures	$ 0.0	$ 0.0

XML

Derivative Financial Instruments and Hedging Activities - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Fair value of derivative liability	$ 1,000,000.0
Collateral posted	0
Additional collateral	$ 1,000,000.0
Treasury Forward Interest Rate Locks (T-Locks)
Derivative [Line Items]
Period hedged items affected earnings, years	10 years
Unrealized gain (loss) on derivatives	$ 900,000
Treasury Forward Interest Rate Locks (T-Locks) | Subordinated notes
Derivative [Line Items]
Senior notes issuance	500,000,000
Derivatives Designated as Hedging Instruments | Interest rate swaps | Subordinated notes | Fair value
Derivative [Line Items]
Subordinated notes	400,000,000
Notional amounts of derivatives	$ 375,000,000
LIBOR basis points	three-month LIBOR
Basis points	1.265%
Derivatives Designated as Hedging Instruments | Interest rate swaps | FHLB advances | Cash flow
Derivative [Line Items]
Notional amounts of derivatives	$ 550,000,000.0	$ 550,000,000.0

XML

Derivative Financial Instruments and Hedging Activities - Schedule of Notional Amount and Fair Value (Detail) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial assets	$ 34,700,000	$ 18,600,000
Financial assets	494,500,000	800,300,000
Financial liabilities	107,000,000.0	168,600,000
Financial liabilities	131,100,000	170,400,000
Forward commitments to sell residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial assets	100,000	700,000
Interest rate-lock commitments on residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial liabilities	100,000	1,000,000.0
Derivatives Not Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial assets	494,500,000	800,300,000
Financial liabilities	131,100,000	170,400,000
Derivatives Not Designated as Hedging Instruments | Forward commitments to sell residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	1,400,000	25,400,000
Financial assets	100,000	700,000
Financial liabilities	0	0
Derivatives Not Designated as Hedging Instruments | Interest rate-lock commitments on residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	1,400,000	41,500,000
Financial assets	0	0
Financial liabilities	100,000	1,000,000.0
Derivatives Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial assets	0	0
Financial liabilities	0	0
Interest rate swaps | Derivatives Not Designated as Hedging Instruments | Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	8,828,200,000	8,878,600,000
Financial assets	457,500,000	778,000,000.0
Financial liabilities	23,600,000	400,000
Interest rate swaps | Derivatives Not Designated as Hedging Instruments | Institutional counterparties
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	8,830,400,000	8,881,300,000
Financial assets	21,600,000	5,800,000
Financial liabilities	99,300,000	156,800,000
Interest rate swaps | Derivatives Designated as Hedging Instruments | Cash flow | FHLB advances
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	550,000,000.0	550,000,000.0
Financial assets	0	0
Financial liabilities	0	0
Interest rate swaps | Derivatives Designated as Hedging Instruments | Subordinated notes | Fair value
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	375,000,000.0	375,000,000.0
Financial assets	0	0
Financial liabilities	0	0
Interest rate caps | Derivatives Not Designated as Hedging Instruments | Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	184,800,000	185,100,000
Financial assets	2,200,000	3,000,000.0
Financial liabilities	100,000	0
Interest rate caps | Derivatives Not Designated as Hedging Instruments | Institutional counterparties
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	184,800,000	185,100,000
Financial assets	100,000	0
Financial liabilities	2,200,000	3,000,000.0
Risk Participation Agreements | Derivatives Not Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	916,900,000	924,300,000
Financial assets	0	0
Financial liabilities	300,000	400,000
Foreign exchange contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial assets	13,000,000.0	12,800,000
Financial liabilities	5,500,000	8,800,000
Foreign exchange contracts | Derivatives Not Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amounts	323,900,000	285,300,000
Financial assets	13,000,000.0	12,800,000
Financial liabilities	$ 5,500,000	$ 8,800,000

XML

Derivative Financial Instruments and Hedging Activities - Impact on Income and AOCI (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	$ 2.8	$ 9.8
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.5	0.1
Derivatives Not Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	0.8	9.4
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Forward commitments to sell residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	(0.7)	0.2
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Interest rate-lock commitments on residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	1.0	(0.2)
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	(300.6)	613.6
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Institutional counterparties
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	300.2	(603.7)
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Interest rate caps | Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	(0.7)	2.0
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Interest rate caps | Institutional counterparties
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	0.9	(2.0)
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Foreign exchange contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	0.4	0.1
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Not Designated as Hedging Instruments | Risk Participation Agreements
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	0.3	(0.6)
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	2.0	0.4
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.5	0.1
Derivatives Designated as Hedging Instruments | Cash flow | Interest rate-lock commitments on residential mortgage loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	0.0	0.0
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Designated as Hedging Instruments | Cash flow | Interest rate-lock commitments on residential mortgage loans | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	0.1	0.1
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.1	0.1
Derivatives Designated as Hedging Instruments | Interest rate swaps | Fair value
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	2.4	0.4
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	0.0	0.0
Derivatives Designated as Hedging Instruments | Interest rate swaps | Cash flow
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Pre-Tax Gain (Loss) Recognized in Earnings	(0.4)	0.0
Amount of Pre-Tax Gain (Loss) Recognized in AOCL	$ 0.5	$ 0.1

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Balance Sheet Offsetting - Summary of Gross Presentation, Instruments Offset (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Financial assets:
Financial assets	$ 34.7	$ 18.6
Gross Amount Offset	0.0	0.0
Net Amount Presented	34.7	18.6
Gross Amounts Not Offset, Financial Instruments	(5.5)	(0.4)
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	29.2	18.2
Financial liabilities:
Gross Amount Recognized	107.0	168.6
Gross Amount Offset	0.0	0.0
Net Amount Presented	107.0	168.6
Gross Amounts Not Offset, Financial Instruments	(5.5)	(0.4)
Gross Amounts Not Offset, Collateral	(85.4)	(148.4)
Net Amount	16.1	19.8
Foreign exchange contracts
Financial assets:
Financial assets	13.0	12.8
Gross Amount Offset	0.0	0.0
Net Amount Presented	13.0	12.8
Gross Amounts Not Offset, Financial Instruments	0.0	0.0
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	13.0	12.8
Financial liabilities:
Gross Amount Recognized	5.5	8.8
Gross Amount Offset	0.0	0.0
Net Amount Presented	5.5	8.8
Gross Amounts Not Offset, Financial Instruments	0.0	0.0
Gross Amounts Not Offset, Collateral		0.0
Net Amount	5.5	8.8
Counterparty A | Interest Rate Swaps/Caps
Financial assets:
Financial assets	0.2	0.0
Gross Amount Offset	0.0	0.0
Net Amount Presented	0.2	0.0
Gross Amounts Not Offset, Financial Instruments	(0.2)	0.0
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	0.0	0.0
Financial liabilities:
Gross Amount Recognized	3.8	5.6
Gross Amount Offset	0.0	0.0
Net Amount Presented	3.8	5.6
Gross Amounts Not Offset, Financial Instruments	(0.2)	0.0
Gross Amounts Not Offset, Collateral	(3.6)	(5.6)
Net Amount	0.0	0.0
Counterparty B | Interest Rate Swaps/Caps
Financial assets:
Financial assets	0.0	0.0
Gross Amount Offset	0.0	0.0
Net Amount Presented	0.0	0.0
Gross Amounts Not Offset, Financial Instruments	0.0	0.0
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	0.0	0.0
Financial liabilities:
Gross Amount Recognized	5.7	7.1
Gross Amount Offset	0.0	0.0
Net Amount Presented	5.7	7.1
Gross Amounts Not Offset, Financial Instruments	0.0	0.0
Gross Amounts Not Offset, Collateral	(5.7)	(7.1)
Net Amount	0.0	0.0
Counterparty C | Interest Rate Swaps/Caps
Financial assets:
Financial assets	2.2	0.3
Gross Amount Offset	0.0	0.0
Net Amount Presented	2.2	0.3
Gross Amounts Not Offset, Financial Instruments	(2.2)	(0.3)
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	0.0	0.0
Financial liabilities:
Gross Amount Recognized	35.4	56.6
Gross Amount Offset	0.0	0.0
Net Amount Presented	35.4	56.6
Gross Amounts Not Offset, Financial Instruments	(2.2)	(0.3)
Gross Amounts Not Offset, Collateral	(33.2)	(56.3)
Net Amount	0.0	0.0
Counterparty D | Interest Rate Swaps/Caps
Financial assets:
Financial assets	0.9	0.0
Gross Amount Offset	0.0	0.0
Net Amount Presented	0.9	0.0
Gross Amounts Not Offset, Financial Instruments	(0.9)	0.0
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	0.0	0.0
Financial liabilities:
Gross Amount Recognized	14.3	21.4
Gross Amount Offset	0.0	0.0
Net Amount Presented	14.3	21.4
Gross Amounts Not Offset, Financial Instruments	(0.9)	0.0
Gross Amounts Not Offset, Collateral	(3.1)	(10.4)
Net Amount	10.3	11.0
Counterparty E | Interest Rate Swaps/Caps
Financial assets:
Financial assets	16.2	5.4
Gross Amount Offset	0.0	0.0
Net Amount Presented	16.2	5.4
Gross Amounts Not Offset, Financial Instruments	0.0	0.0
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	16.2	5.4
Financial liabilities:
Gross Amount Recognized	0.0	0.0
Gross Amount Offset	0.0	0.0
Net Amount Presented	0.0	0.0
Gross Amounts Not Offset, Financial Instruments	0.0	0.0
Gross Amounts Not Offset, Collateral		0.0
Net Amount	0.0	0.0
Other Counterparties | Interest Rate Swaps/Caps
Financial assets:
Financial assets	2.2	0.1
Gross Amount Offset	0.0	0.0
Net Amount Presented	2.2	0.1
Gross Amounts Not Offset, Financial Instruments	(2.2)	(0.1)
Gross Amounts Not Offset, Collateral	0.0	0.0
Net Amount	0.0	0.0
Financial liabilities:
Gross Amount Recognized	42.3	69.1
Gross Amount Offset	0.0	0.0
Net Amount Presented	42.3	69.1
Gross Amounts Not Offset, Financial Instruments	(2.2)	(0.1)
Gross Amounts Not Offset, Collateral	(39.8)	(69.0)
Net Amount	$ 0.3	$ 0.0

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Balance Sheet Offsetting - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
U.S. Treasury
Offsettting Assets and Liabilities [Line Items]
Fair value of treasury securities	$ 256.6	$ 258.7
Mortgage-Backed Securities
Offsettting Assets and Liabilities [Line Items]
Fair value of treasury securities	$ 257.4	$ 254.4

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Balance Sheet Offsetting - Summary of Collateral Swaps (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Total repurchase agreements
Net Amount Presented	$ 436.2	$ 452.9
Collateral Swaps
Total resale agreements
Gross Amount Recognized	250.0	250.0
Gross Amount Offset	(250.0)	(250.0)
Net Amount Presented	0.0	0.0
Total repurchase agreements
Gross Amount Recognized	250.0	250.0
Gross Amount Offset	(250.0)	(250.0)
Net Amount Presented	$ 0.0	$ 0.0

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New Accounting Standards (Details)	Mar. 31, 2021
Accounting Changes and Error Corrections [Abstract]
Percent of loans using LIBOR	46.00%

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Label	Element	Value
Accounting Standards Update [Extensible List]	us-gaap_AccountingStandardsUpdateExtensibleList	us-gaap:AccountingStandardsUpdate201613Member