10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended June 30, 2022

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: 001-09518

THE PROGRESSIVE CORPORATION

(Exact name of registrant as specified in its charter)

Ohio			34-0963169
(State or other jurisdiction of incorporation or organization)			(I.R.S. Employer Identification No.)
6300 Wilson Mills Road,	Mayfield Village,	Ohio	44143
(Address of principal executive offices)			(Zip Code)

(440) 461-5000

(Registrant’s telephone number, including area code)

Not Applicable

(Former name, former address and former fiscal year, if changed since last report) 

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 Shares, $1.00 Par Value	PGR	New York Stock Exchange

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 definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Common Shares, $1.00 par value: 584,915,205 outstanding at June 30, 2022

PART I—FINANCIAL INFORMATION

Item 1. Financial Statements.

The Progressive Corporation and Subsidiaries

Consolidated Statements of Comprehensive Income

(unaudited)

	Three Months				Six Months
Periods Ended June 30,	2022		2021		2022		2021
(millions — except per share amounts)
Revenues
Net premiums earned	$	12,147.9	$	10,982.3	$	23,950.8	$	21,402.5
Investment income	292.4		210.7		534.6		430.9
Net realized gains (losses) on securities:
Net realized gains (losses) on security sales	546.6		410.1		492.1		553.9
Net holding period gains (losses) on securities	(1,722.2)		54.2		(2,110.8)		495.7
Net impairment losses recognized in earnings	(2.1)		(2.5)		(4.3)		(2.5)
Total net realized gains (losses) on securities	(1,177.7)		461.8		(1,623.0)		1,047.1
Fees and other revenues	176.5		176.2		350.5		341.9
Service revenues	80.1		74.5		147.8		128.3
Total revenues	11,519.2		11,905.5		23,360.7		23,350.7
Expenses
Losses and loss adjustment expenses	9,421.1		8,406.4		18,279.5		15,516.9
Policy acquisition costs	933.6		928.8		1,897.0		1,803.2
Other underwriting expenses	1,431.2		1,440.5		2,937.5		2,921.6
Investment expenses	5.9		6.3		11.6		11.9
Service expenses	75.5		67.9		138.7		117.2
Interest expense	63.0		56.4		117.3		112.8
Goodwill impairment1	224.8		0		224.8		0
Total expenses	12,155.1		10,906.3		23,606.4		20,483.6
Net Income (Loss)
Income (loss) before income taxes	(635.9)		999.2		(245.7)		2,867.1
Provision (benefit) for income taxes	(93.0)		209.1		(16.7)		597.0
Net income (loss)	(542.9)		790.1		(229.0)		2,270.1
Other Comprehensive Income (Loss)
Changes in:
Total net unrealized gains (losses) on fixed-maturity securities	(822.8)		91.1		(2,249.7)		(448.5)
Net unrealized losses on forecasted transactions	0		0.3		0.2		0.5
Foreign currency translation adjustment	(0.4)		(0.5)		(0.2)		(0.5)
Other comprehensive income (loss)	(823.2)		90.9		(2,249.7)		(448.5)
Comprehensive income (loss)	$	(1,366.1)	$	881.0	$	(2,478.7)	$	1,821.6
Computation of Earnings Per Common Share
Net income (loss)	$	(542.9)	$	790.1	$	(229.0)	$	2,270.1
Less: Preferred share dividends	6.7		6.7		13.4		13.4
Net income (loss) available to common shareholders	$	(549.6)	$	783.4	$	(242.4)	$	2,256.7
Average common shares outstanding - Basic	584.3		584.6		584.3		584.7
Net effect of dilutive stock-based compensation	2.2		2.2		2.1		2.1
Total average equivalent common shares - Diluted	586.5		586.8		586.4		586.8
Basic: Earnings per common share	$	(0.94)	$	1.34	$	(0.41)	$	3.86
Diluted: Earnings per common share	$	(0.94)	$	1.34	$	(0.41)	$	3.85

1 See Note 12 – Goodwill and Intangible Assets for further discussion.

See notes to consolidated financial statements.

1

The Progressive Corporation and Subsidiaries

Consolidated Balance Sheets

(unaudited)

	June 30,				December 31,
(millions — except per share amounts)	2022		2021		2021
Assets
Available-for-sale securities, at fair value:
Fixed maturities (amortized cost: $46,028.8, $42,378.0, and $43,794.2)	$	43,172.5	$	43,031.0	$	43,873.1
Short-term investments (amortized cost: $4,611.8, $1,710.6, and $942.6)	4,611.8		1,710.6		942.6
Total available-for-sale securities	47,784.3		44,741.6		44,815.7
Equity securities, at fair value:
Nonredeemable preferred stocks (cost: $1,522.5, $1,511.2, and $1,571.8)	1,360.5		1,609.8		1,639.9
Common equities (cost: $783.6, $1,238.4, and $1,264.1)	2,784.7		4,591.4		5,058.5
Total equity securities	4,145.2		6,201.2		6,698.4
Total investments	51,929.5		50,942.8		51,514.1
Cash and cash equivalents	226.1		99.5		187.1
Restricted cash and cash equivalents	14.4		15.1		15.0
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	240.5		114.6		202.1
Accrued investment income	216.7		179.3		181.7
Premiums receivable, net of allowance for credit losses of $265.8, $245.2, and $280.4	10,561.8		9,436.2		9,399.5
Reinsurance recoverables	4,961.2		4,709.1		4,980.5
Prepaid reinsurance premiums	464.3		620.0		457.6
Deferred acquisition costs	1,498.4		1,360.6		1,355.6
Property and equipment, net of accumulated depreciation of $1,512.6, $1,396.5, and $1,407.4	1,124.7		1,086.4		1,137.3
Goodwill	227.9		452.7		452.7
Intangible assets, net of accumulated amortization of $147.7, $354.6, and $383.8	97.2		146.5		117.3
Net federal deferred income taxes	955.6		0		0
Other assets	779.4		776.1		1,333.9
Total assets	$	73,057.2	$	69,824.3	$	71,132.3
Liabilities and Shareholders’ Equity
Unearned premiums	$	17,274.8	$	15,555.9	$	15,615.8
Loss and loss adjustment expense reserves	27,812.0		23,895.6		26,164.1
Net federal deferred income taxes	0		219.4		152.9
Accounts payable, accrued expenses, and other liabilities	5,931.2		6,080.3		6,069.1
Debt1	6,386.5		5,397.5		4,898.8
Total liabilities	57,404.5		51,148.7		52,900.7
Serial Preferred Shares (authorized 20.0)
Serial Preferred Shares, Series B, no par value (cumulative, liquidation preference $1,000 per share) (authorized, issued, and outstanding 0.5)	493.9		493.9		493.9
Common shares, $1.00 par value (authorized 900.0; issued 797.6, including treasury shares of 212.7, 212.4, and 213.2)	584.9		585.2		584.4
Paid-in capital	1,815.2		1,712.3		1,772.9
Retained earnings	14,967.7		15,401.0		15,339.7
Accumulated other comprehensive income (loss):
Net unrealized gains (losses) on fixed-maturity securities	(2,193.5)		498.8		56.2
Net unrealized losses on forecasted transactions	(14.7)		(15.1)		(14.9)
Foreign currency translation adjustment	(0.8)		(0.5)		(0.6)
Total accumulated other comprehensive income (loss)	(2,209.0)		483.2		40.7
Total shareholders’ equity	15,652.7		18,675.6		18,231.6
Total liabilities and shareholders’ equity	$	73,057.2	$	69,824.3	$	71,132.3

1 Consists of long-term debt. See Note 4 – Debt for further discussion.

See notes to consolidated financial statements.

2

The Progressive Corporation and Subsidiaries

Consolidated Statements of Changes in Shareholders’ Equity

(unaudited)

	Three Months				Six Months
Periods Ended June 30,	2022		2021		2022		2021
(millions — except per share amounts)
Serial Preferred Shares, No Par Value
Balance, beginning of period	$	493.9	$	493.9	$	493.9	$	493.9
Balance, end of period	493.9		493.9		493.9		493.9
Common Shares, $1.00 Par Value
Balance, beginning of period	584.9		585.2		584.4		585.2
Treasury shares purchased	0		(0.2)		(0.3)		(1.1)
Net restricted equity awards issued/vested	0		0.2		0.8		1.1
Balance, end of period	584.9		585.2		584.9		585.2
Paid-In Capital
Balance, beginning of period	1,788.6		1,685.5		1,772.9		1,672.9
Amortization of equity-based compensation	26.4		26.9		43.7		42.7
Treasury shares purchased	(0.1)		(0.3)		(0.9)		(3.0)
Net restricted equity awards issued/vested	0		(0.2)		(0.8)		(1.1)
Reinvested dividends on restricted stock units	0.3		0.4		0.3		0.8
Balance, end of period	1,815.2		1,712.3		1,815.2		1,712.3
Retained Earnings
Balance, beginning of period	15,569.6		14,679.6		15,339.7		13,354.9
Net income (loss)	(542.9)		790.1		(229.0)		2,270.1
Treasury shares purchased	(0.7)		(10.1)		(28.3)		(91.3)
Cash dividends declared on common shares ($0.10, $0.10, $0.20, and $0.20 per share)	(58.4)		(58.4)		(116.8)		(116.8)
Reinvested dividends on restricted stock units	(0.3)		(0.4)		(0.3)		(0.8)
Other, net	0.4		0.2		2.4		(15.1)
Balance, end of period	14,967.7		15,401.0		14,967.7		15,401.0
Accumulated Other Comprehensive Income (Loss)
Balance, beginning of period	(1,385.8)		392.3		40.7		931.7
Other comprehensive income (loss)	(823.2)		90.9		(2,249.7)		(448.5)
Balance, end of period	(2,209.0)		483.2		(2,209.0)		483.2
Total shareholders’ equity	$	15,652.7	$	18,675.6	$	15,652.7	$	18,675.6

There are 5.0 million Voting Preference Shares authorized; no such shares have been issued.

See notes to consolidated financial statements.

3

The Progressive Corporation and Subsidiaries

Consolidated Statements of Cash Flows        

(unaudited)

Six Months Ended June 30,	2022		2021
(millions)
Cash Flows From Operating Activities
Net income (loss)	$	(229.0)	$	2,270.1
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	149.6		129.4
Amortization of intangible assets	20.1		28.5
Net amortization of fixed-income securities	29.2		62.1
Amortization of equity-based compensation	43.7		42.7
Net realized (gains) losses on securities	1,623.0		(1,047.1)
Net (gains) losses on disposition of property and equipment	2.0		0.5
Goodwill impairment	224.8		0
Changes in:
Premiums receivable	(1,162.3)		(1,183.5)
Reinsurance recoverables	19.3		(237.3)
Prepaid reinsurance premiums	(6.7)		(244.6)
Deferred acquisition costs	(142.8)		(123.4)
Income taxes	(377.2)		(81.0)
Unearned premiums	1,659.0		2,051.5
Loss and loss adjustment expense reserves	1,647.9		2,481.0
Accounts payable, accrued expenses, and other liabilities	436.5		717.8
Other, net	(45.2)		71.7
Net cash provided by operating activities	3,891.9		4,938.4
Cash Flows From Investing Activities
Purchases:
Fixed maturities	(14,332.3)		(18,364.5)
Equity securities	(91.1)		(416.1)
Sales:
Fixed maturities	9,378.7		8,703.2
Equity securities	1,350.3		590.2
Maturities, paydowns, calls, and other:
Fixed maturities	2,409.1		3,898.2
Equity securities	39.3		67.1
Net (purchases) sales of short-term investments	(3,665.1)		3,587.0
Net unsettled security transactions	(143.4)		316.6
Acquisition of Protective Insurance Corporation, net of cash, cash equivalents, and restricted cash acquired	0		(313.2)
Purchases of property and equipment	(136.7)		(98.5)
Sales of property and equipment	11.6		11.5
Net cash used in investing activities	(5,179.6)		(2,018.5)
Cash Flows From Financing Activities
Dividends paid to common shareholders	(117.0)		(2,753.0)
Dividends paid to preferred shareholders	(13.4)		(13.4)
Acquisition of treasury shares for restricted stock tax liabilities	(29.5)		(30.4)
Acquisition of treasury shares acquired in open market	0		(65.0)
Net proceeds from debt issuances	1,486.0		0
Payment of acquired company debt	0		(20.0)
Net cash provided by (used in) financing activities	1,326.1		(2,881.8)
Increase in cash, cash equivalents, restricted cash, and restricted cash equivalents	38.4		38.1
Cash, cash equivalents, restricted cash, and restricted cash equivalents – January 1	202.1		76.5
Cash, cash equivalents, restricted cash, and restricted cash equivalents – June 30	$	240.5	$	114.6

See notes to consolidated financial statements.

4

The Progressive Corporation and Subsidiaries

Notes to Consolidated Financial Statements

(unaudited)

Note 1 Basis of Presentation — The accompanying consolidated financial statements include the accounts of The Progressive Corporation, our wholly owned insurance and non-insurance subsidiaries, and affiliates in which we have a controlling financial interest (Progressive).

The consolidated financial statements reflect all normal recurring adjustments that, in the opinion of management, were necessary for a fair statement of the results for the interim periods presented. The results of operations for the period ended June 30, 2022, are not necessarily indicative of the results expected for the full year. These consolidated financial statements and the notes thereto should be read in conjunction with Progressive’s audited financial statements and accompanying notes included in Exhibit 13 to our Annual Report on Form 10-K for the year ended December 31, 2021 (2021 Annual Report to Shareholders).

Insurance Premiums and Receivables

We perform analyses to evaluate our premiums receivable for expected credit losses. See the 2021 Annual Report to Shareholders for a discussion on our premiums receivable allowance for credit loss policy. The following table summarizes changes in our allowance for credit loss exposure on our premiums receivable:

	Three Months				Six Months
Periods Ended June 30,	2022		2021		2022		2021
(millions)
Allowance for credit losses, beginning of period	$	276.2	$	265.3	$	280.4	$	356.2
Allowance acquired during period1	0		3.5		0		3.5
Increase in allowance2	95.8		87.4		189.7		148.3
Write-offs3	(106.2)		(111.0)		(204.3)		(262.8)
Allowance for credit losses, end of period	$	265.8	$	245.2	$	265.8	$	245.2

1 Represents the amount of the allowance acquired in the Protective Insurance Corporation and subsidiaries (Protective Insurance) acquisition.

2 Represents the incremental increase in other underwriting expenses.

3 Represents portion of allowance that is reversed when premiums receivable are written off.

The year-over-year increase in the balance of the allowance for credit losses at June 30, 2022, compared to June 30, 2021, primarily reflects a higher amount of premiums receivable determined to be at risk of being uncollectible, driven by the growth in our premiums receivable balance. During the first six months of 2021, we experienced greater collections than anticipated, in part due to changes in consumer spending habits and government stimulus spending during the period, which resulted in a lower “increase in allowance” when compared to the six months ended June 30, 2022.

Premiums receivable balances are written off once we have exhausted our collection efforts. We recognized higher write-offs during the six months ended June 30, 2021, reflecting the premiums receivable that were reserved during 2020, when moratoriums and billing leniency efforts were put into place during the novel coronavirus, COVID-19, pandemic, which delayed the write-off of these uncollectible balances into 2021.

Property and Equipment

Other assets on the consolidated balance sheets include certain long-lived assets that are considered “held for sale.” The carrying value of these held-for-sale assets was $24.9 million at June 30, 2022, $57.5 million at June 30, 2021, and $10.8 million at December 31, 2021.

Goodwill and Intangible Assets

In preparation of the second quarter 2022 financial statements, we evaluated goodwill for impairment using a quantitative approach given changes in circumstances that indicated that the carrying value of certain portions of goodwill may not be recoverable. See Note 12 – Goodwill and Intangible Assets for further discussion.

Earnings per Common Share

For the three and six months ended June 30, 2022, earnings per common share were calculated using basic average equivalent shares since diluted earnings per share would be antidilutive given the net loss reported for both periods. Amounts are reported on a diluted basis for the second quarter and first six months of 2021.

5

Note 2 Investments — The following tables present the composition of our investment portfolio by major security type. Our securities are reported in our consolidated balance sheets at fair value. The changes in fair value for our fixed-maturity securities (other than hybrid securities) are reported as a component of accumulated other comprehensive income (loss), net of deferred income taxes, in our consolidated balance sheets. The net holding period gains (losses) reported below represent the inception-to-date changes in fair value of the securities. The changes in the net holding period gains (losses) between periods for the hybrid securities and equity securities are recorded as a component of net realized gains (losses) on securities in our consolidated statements of comprehensive income.

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
June 30, 2022
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	19,832.3	$	3.7	$	(1,116.8)	$	0	$	18,719.2	36.0	%
State and local government obligations	2,281.9		0.6		(147.1)		0		2,135.4		4.1
Foreign government obligations	17.7		0		(1.3)		0		16.4		0.1
Corporate debt securities	10,869.6		1.6		(655.0)		(48.4)		10,167.8		19.6
Residential mortgage-backed securities	826.5		0.5		(10.7)		(17.0)		799.3		1.5
Commercial mortgage-backed securities	6,739.4		1.2		(646.0)		0		6,094.6		11.7
Other asset-backed securities	5,239.4		0.1		(201.7)		(1.8)		5,036.0		9.7
Redeemable preferred stocks	222.0		0		(5.5)		(12.7)		203.8		0.4
Total fixed maturities	46,028.8		7.7		(2,784.1)		(79.9)		43,172.5		83.1
Short-term investments	4,611.8		0		0		0		4,611.8		8.9
Total available-for-sale securities	50,640.6		7.7		(2,784.1)		(79.9)		47,784.3		92.0
Equity securities:
Nonredeemable preferred stocks	1,522.5		0		0		(162.0)		1,360.5		2.6
Common equities	783.6		0		0		2,001.1		2,784.7		5.4
Total equity securities	2,306.1		0		0		1,839.1		4,145.2		8.0
Total portfolio1	$	52,946.7	$	7.7	$	(2,784.1)	$	1,759.2	$	51,929.5	100.0	%

6

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
June 30, 2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	19,339.3	$	171.3	$	(72.9)	$	0	$	19,437.7	38.1	%
State and local government obligations	2,379.1		64.7		(3.3)		0		2,440.5		4.8
Foreign government obligations	12.7		0		0		0		12.7		0.1
Corporate debt securities	10,314.8		372.1		(9.9)		1.2		10,678.2		20.9
Residential mortgage-backed securities	666.9		4.6		(1.1)		0.9		671.3		1.3
Commercial mortgage-backed securities	5,628.2		91.4		(11.5)		0		5,708.1		11.2
Other asset-backed securities	3,865.9		34.6		(1.5)		0		3,899.0		7.7
Redeemable preferred stocks	171.1		1.7		(1.4)		12.1		183.5		0.4
Total fixed maturities	42,378.0		740.4		(101.6)		14.2		43,031.0		84.5
Short-term investments	1,710.6		0		0		0		1,710.6		3.3
Total available-for-sale securities	44,088.6		740.4		(101.6)		14.2		44,741.6		87.8
Equity securities:
Nonredeemable preferred stocks	1,511.2		0		0		98.6		1,609.8		3.2
Common equities	1,238.4		0		0		3,353.0		4,591.4		9.0
Total equity securities	2,749.6		0		0		3,451.6		6,201.2		12.2
Total portfolio1	$	46,838.2	$	740.4	$	(101.6)	$	3,465.8	$	50,942.8	100.0	%

Note: Included in the table above is a $52.5 million fair value ($25.0 million cost) reclassification from nonredeemable preferred stock to common equities to reflect the prior year conversion of a security and to conform to the current year classification. 

7

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
December 31, 2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	18,586.1	$	92.9	$	(190.8)	$	0	$	18,488.2	35.9	%
State and local government obligations	2,162.6		36.7		(14.0)		0		2,185.3		4.2
Foreign government obligations	17.9		0		0		0		17.9		0.1
Corporate debt securities	10,526.2		202.6		(33.4)		(3.3)		10,692.1		20.7
Residential mortgage-backed securities	787.7		2.3		(0.6)		0.6		790.0		1.5
Commercial mortgage-backed securities	6,561.0		38.9		(64.3)		0		6,535.6		12.7
Other asset-backed securities	4,981.8		13.3		(12.4)		(0.4)		4,982.3		9.7
Redeemable preferred stocks	170.9		0.7		(0.5)		10.6		181.7		0.4
Total fixed maturities	43,794.2		387.4		(316.0)		7.5		43,873.1		85.2
Short-term investments	942.6		0		0		0		942.6		1.8
Total available-for-sale securities	44,736.8		387.4		(316.0)		7.5		44,815.7		87.0
Equity securities:
Nonredeemable preferred stocks	1,571.8		0		0		68.1		1,639.9		3.2
Common equities	1,264.1		0		0		3,794.4		5,058.5		9.8
Total equity securities	2,835.9		0		0		3,862.5		6,698.4		13.0
Total portfolio1	$	47,572.7	$	387.4	$	(316.0)	$	3,870.0	$	51,514.1	100.0	%

1 Includes $0, $412.1 million, and $143.4 million of net unsettled security purchase transactions at June 30, 2022 and 2021, and December 31, 2021, respectively, with the offsetting payable included in other liabilities.

The total fair value of the portfolio at June 30, 2022 and 2021, and December 31, 2021, included $4.9 billion, $3.3 billion, and $4.2 billion, respectively, of securities held in a consolidated, non-insurance subsidiary of the holding company, net of unsettled security transactions.

At June 30, 2022, bonds and certificates of deposit in the principal amount of $468.9 million were on deposit to meet state insurance regulatory requirements. We did not hold any securities of any one issuer, excluding U.S. government obligations, with an aggregate cost or fair value exceeding 10% of total shareholders’ equity at June 30, 2022 or 2021, or December 31, 2021. At June 30, 2022, we did not hold any debt securities that were non-income producing during the preceding 12 months.

Short-Term Investments Our short-term investments may include commercial paper and other investments that are expected to mature or are redeemable within one year.

We invested in repurchase and reverse repurchase transactions during 2022 and 2021, but did not have any open positions at June 30, 2022 and 2021, or December 31, 2021. To the extent we enter into repurchase or reverse repurchase transactions, consistent with past practice, we would elect not to offset these transactions and would report them on a gross basis on our consolidated balance sheets, despite the option to elect to offset these transactions as long as they were with the same counterparty and subject to an enforceable master netting arrangement.

8

Hybrid Securities Certain securities in our fixed-maturity portfolio are accounted for as hybrid securities because they contain embedded derivatives that are not deemed to be clearly and closely related to the host investments. These securities are reported at fair value:

	June 30,
(millions)	2022		2021		December 31, 2021
Fixed Maturities:
Corporate debt securities	$	513.8	$	296.7	$	479.1
Residential mortgage-backed securities	604.3		163.1		536.2
Other asset-backed securities	62.3		66.9		89.2
Redeemable preferred stocks	136.3		132.2		130.8
Total hybrid securities	$	1,316.7	$	658.9	$	1,235.3

Since the embedded derivatives (e.g., change-in-control put option, debt-to-equity conversion, or any other feature unrelated to the credit quality or risk of default of the issuer that could impact the amount or timing of our expected future cash flows) do not have observable intrinsic values, we have elected to record the changes in fair value of these securities through income as a component of net realized gains or losses.

Fixed Maturities The composition of fixed maturities by maturity at June 30, 2022, was:

(millions)	Cost		Fair Value
Less than one year	$	5,294.8	$	5,210.9
One to five years	27,925.6		26,532.2
Five to ten years	12,763.0		11,389.5
Ten years or greater	45.4		39.9
Total	$	46,028.8	$	43,172.5

Asset-backed securities are classified in the maturity distribution table based upon their projected cash flows. All other securities that do not have a single maturity date are reported based upon expected average maturity. Contractual maturities may differ from expected maturities because the issuers of the securities may have the right to call or prepay obligations.

9

Gross Unrealized Losses The following tables show the composition of gross unrealized losses by major security type and by the length of time that individual securities have been in a continuous unrealized loss position:

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
June 30, 2022
U.S. government obligations	140	$	17,907.2	$	(1,116.8)	114	$	15,254.3	$	(874.0)	26	$	2,652.9	$	(242.8)
State and local government obligations	331	1,954.9		(147.1)		318	1,816.1		(126.1)		13	138.8		(21.0)
Foreign government obligations	1	16.4		(1.3)		1	16.4		(1.3)		0	0		0
Corporate debt securities	466	9,174.2		(655.0)		435	8,843.2		(612.0)		31	331.0		(43.0)
Residential mortgage-backed securities	39	183.7		(10.7)		32	172.1		(8.8)		7	11.6		(1.9)
Commercial mortgage-backed securities	254	6,058.4		(646.0)		234	5,624.1		(569.8)		20	434.3		(76.2)
Other asset-backed securities	289	4,915.7		(201.7)		269	4,611.8		(188.9)		20	303.9		(12.8)
Redeemable preferred stocks	5	67.5		(5.5)		4	56.7		(3.8)		1	10.8		(1.7)
Total fixed maturities	1,525	$	40,278.0	$	(2,784.1)	1,407	$	36,394.7	$	(2,384.7)	118	$	3,883.3	$	(399.4)

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
June 30, 2021
U.S. government obligations	59	$	10,629.4	$	(72.9)	55	$	10,162.4	$	(66.8)	4	$	467.0	$	(6.1)
State and local government obligations	81	436.2		(3.3)		72	400.0		(2.6)		9	36.2		(0.7)
Corporate debt securities	292	1,142.5		(9.9)		288	1,065.2		(9.5)		4	77.3		(0.4)
Residential mortgage-backed securities	77	192.2		(1.1)		64	172.4		(0.7)		13	19.8		(0.4)
Commercial mortgage-backed securities	68	1,272.0		(11.5)		61	1,006.9		(10.5)		7	265.1		(1.0)
Other asset-backed securities	119	1,073.6		(1.5)		113	1,043.7		(1.3)		6	29.9		(0.2)
Redeemable preferred stocks	1	11.1		(1.4)		0	0		0		1	11.1		(1.4)
Total fixed maturities	697	$	14,757.0	$	(101.6)	653	$	13,850.6	$	(91.4)	44	$	906.4	$	(10.2)

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
December 31, 2021
U.S. government obligations	92	$	14,745.8	$	(190.8)	85	$	13,790.8	$	(158.5)	7	$	955.0	$	(32.3)
State and local government obligations	127	954.2		(14.0)		122	927.3		(13.1)		5	26.9		(0.9)
Corporate debt securities	220	3,496.6		(33.4)		219	3,491.7		(33.3)		1	4.9		(0.1)
Residential mortgage-backed securities	20	138.6		(0.6)		14	135.4		(0.5)		6	3.2		(0.1)
Commercial mortgage-backed securities	168	4,315.4		(64.3)		165	4,295.0		(63.9)		3	20.4		(0.4)
Other asset-backed securities	178	3,204.7		(12.4)		176	3,200.6		(12.3)		2	4.1		(0.1)
Redeemable preferred stocks	1	12.0		(0.5)		0	0		0		1	12.0		(0.5)
Total fixed maturities	806	$	26,867.3	$	(316.0)	781	$	25,840.8	$	(281.6)	25	$	1,026.5	$	(34.4)

The increase in the number of securities in an unrealized loss position since both June 30, 2021 and December 31, 2021, was primarily the result of an increase in interest rates. As of June 30, 2022, we had two corporate debt securities and one residential mortgage-backed security that had their credit ratings downgraded during the quarter, with a combined fair value of $18.3 million and an unrealized loss of $2.1 million.

A review of the securities in an unrealized loss position indicated that the issuers were current with respect to their interest obligations and that there was no evidence of deterioration of the current cash flow projections that would indicate we would not receive the remaining principal at maturity.

10

Allowance For Credit and Uncollectible Losses We are required to measure the amount of potential credit losses for all fixed-maturity securities in an unrealized loss position. We did not record any allowances for credit losses or any write-offs for amounts deemed to be uncollectible during the first six months of 2022 or 2021, and did not have a material credit loss allowance balance as of June 30, 2022 and 2021, or December 31, 2021. We considered several factors and inputs related to the individual securities as part of our analysis. The methodology and significant inputs used to measure the amount of credit losses in our portfolio included:

•current performance indicators on the business model or underlying assets (e.g., delinquency rates, foreclosure rates, and default rates);

•credit support (via current levels of subordination);

•historical credit ratings; and

•updated cash flow expectations based upon these performance indicators.

In order to determine the amount of credit loss, if any, we initially reviewed securities in a loss position to determine whether it was likely that we would be required, or intended, to sell any of the securities prior to the recovery of their respective cost bases (which could be maturity). If we were likely to, or intended to, sell prior to a potential recovery, we would write off the unrealized loss. For those securities that we determined we were not likely to, or did not intend to, sell prior to a potential recovery, we calculated the net present value (NPV) of the cash flows expected (i.e., expected recovery value) using the current book yield for each security. The NPV was then compared to the security’s current amortized value to determine if a credit loss existed. In the event that the NPV was below the amortized value, and the amount was determined to be material individually, or in aggregate, a credit loss would be deemed to exist, and either an allowance for credit losses would be created, or if an allowance currently existed, either a recovery of the previous allowance, or an incremental loss, would be recorded to net realized gains (losses) on securities.

As of June 30, 2022 and 2021, and December 31, 2021, we believe none of the unrealized losses relate to material credit losses on any specific securities, or in the aggregate, based on our review. We continue to expect all the securities in our portfolio to pay their principal and interest obligations.

In addition, we reviewed our accrued investment income outstanding on those securities in an unrealized loss position at June 30, 2022 and 2021, and December 31, 2021, to determine if the accrued interest amounts were determined to be uncollectible. Based on our analysis, we believe the issuers have sufficient liquidity and capital reserves to meet their current interest, and future principal, obligations and, therefore, did not write off any accrued income as uncollectible at June 30, 2022 and 2021, or December 31, 2021.

11

Realized Gains (Losses) The components of net realized gains (losses) for the three and six months ended June 30, were:

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Gross realized gains on security sales
Available-for-sale securities:
U.S. government obligations	$	1.3	$	11.3	$	4.6	$	77.9
State and local government obligations	0		14.1		0		44.3
Corporate and other debt securities	2.0		40.1		6.5		60.8
Residential mortgage-backed securities	0.6		0.3		0.7		0.3
Commercial mortgage-backed securities	0		9.5		0		39.3
Other asset-backed securities	0		0		0.1		0.7
Redeemable preferred stocks	0		1.5		0		1.5
Total available-for-sale securities	3.9		76.8		11.9		224.8
Equity securities:
Nonredeemable preferred stocks	0.2		6.4		17.5		23.7
Common equities	830.6		345.0		831.1		346.1
Total equity securities	830.8		351.4		848.6		369.8
Subtotal gross realized gains on security sales	834.7		428.2		860.5		594.6
Gross realized losses on security sales
Available-for-sale securities:
U.S. government obligations	(164.3)		(6.9)		(233.5)		(26.5)
State and local government obligations	0		(2.8)		(1.0)		(3.0)
Corporate and other debt securities	(30.1)		(3.3)		(37.8)		(5.4)
Commercial mortgage-backed securities	(13.8)		(0.5)		(13.8)		(1.1)
Other asset-backed securities	(2.0)		(0.3)		(2.1)		(0.4)
Short-term investments	(0.3)		0		(0.3)		0
Total available-for-sale securities	(210.5)		(13.8)		(288.5)		(36.4)
Equity securities:
Nonredeemable preferred stocks	(0.2)		(0.4)		(1.9)		(0.4)
Common equities	(77.4)		(3.9)		(78.0)		(3.9)
Total equity securities	(77.6)		(4.3)		(79.9)		(4.3)
Subtotal gross realized losses on security sales	(288.1)		(18.1)		(368.4)		(40.7)
Net realized gains (losses) on security sales
Available-for-sale securities:
U.S. government obligations	(163.0)		4.4		(228.9)		51.4
State and local government obligations	0		11.3		(1.0)		41.3
Corporate and other debt securities	(28.1)		36.8		(31.3)		55.4
Residential mortgage-backed securities	0.6		0.3		0.7		0.3
Commercial mortgage-backed securities	(13.8)		9.0		(13.8)		38.2
Other asset-backed securities	(2.0)		(0.3)		(2.0)		0.3
Redeemable preferred stocks	0		1.5		0		1.5
Short-term investments	(0.3)		0		(0.3)		0
Total available-for-sale securities	(206.6)		63.0		(276.6)		188.4
Equity securities:
Nonredeemable preferred stocks	0		6.0		15.6		23.3
Common equities	753.2		341.1		753.1		342.2
Total equity securities	753.2		347.1		768.7		365.5
Subtotal net realized gains (losses) on security sales	546.6		410.1		492.1		553.9
Net holding period gains (losses)
Hybrid securities	(48.4)		9.9		(87.4)		(1.0)
Equity securities	(1,673.8)		44.3		(2,023.4)		496.7
Subtotal net holding period gains (losses)	(1,722.2)		54.2		(2,110.8)		495.7
Other asset impairment	(2.1)		(2.5)		(4.3)		(2.5)
Total net realized gains (losses) on securities	$	(1,177.7)	$	461.8	$	(1,623.0)	$	1,047.1

12

Realized gains (losses) on securities sold are computed using the first-in-first-out method. During the second quarter 2022, we sold securities in our common equity portfolio, which were in a realized gain position, as part of our plan to incrementally reduce risk in the portfolio in response to the likelihood of a more difficult economic environment over the near term. The majority of the sales in the fixed-maturity portfolio were from U.S. Treasuries, which were sold to shorten duration. The loss from the fixed-maturity sales reflects the continued rise in interest rates during the second quarter 2022, which resulted in valuation declines for most of our available-for-sale securities. The other asset impairment loss was recorded as a result of our investment in a federal new markets tax credit fund, which was entered into during the second quarter 2021, and reported in other assets in the consolidated balance sheets.

The following table reflects our holding period realized gains (losses) recognized on equity securities held at the respective quarter ends:

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Total net gains (losses) recognized during the period on equity securities	$	(920.6)	$	391.4	$	(1,254.7)	$	862.2
Less: Net gains (losses) recognized on equity securities sold during the period	753.2		347.1		768.7		365.5
Net holding period gains (losses) recognized during the period on equity securities held at period end	$	(1,673.8)	$	44.3	$	(2,023.4)	$	496.7

Net Investment Income The components of net investment income for the three and six months ended June 30, were: 

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	67.9	$	37.4	$	119.3	$	67.8
State and local government obligations	10.3		11.5		19.5		24.9
Foreign government obligations	0		0		0.1		0
Corporate debt securities	75.5		73.2		143.6		158.4
Residential mortgage-backed securities	9.6		2.8		14.4		6.2
Commercial mortgage-backed securities	46.5		34.4		89.8		70.2
Other asset-backed securities	39.3		15.1		64.4		31.0
Redeemable preferred stocks	3.0		2.3		5.5		4.8
Total fixed maturities	252.1		176.7		456.6		363.3
Short-term investments	4.4		0.7		4.8		2.2
Total available-for-sale securities	256.5		177.4		461.4		365.5
Equity securities:
Nonredeemable preferred stocks	18.1		17.3		36.3		35.2
Common equities	17.8		16.0		36.9		30.2
Total equity securities	35.9		33.3		73.2		65.4
Investment income	292.4		210.7		534.6		430.9
Investment expenses	(5.9)		(6.3)		(11.6)		(11.9)
Net investment income	$	286.5	$	204.4	$	523.0	$	419.0

On a year-over-year basis, investment income (interest and dividends) increased 39% and 24% for the first three and six months of 2022, respectively, compared to the same periods last year, due to an increase in average assets resulting from premium growth, underwriting profitability, and investing the $1.5 billion of proceeds from debt issued in March 2022. The recurring investment book yield increased 19% for the second quarter 2022 and 7% for the first six months of 2022, compared to the same periods in 2021, reflecting investing new cash and cash from maturities in higher interest rate securities given the rising interest rate environment.

13

Note 3 Fair Value — We have categorized our financial instruments, based on the degree of subjectivity inherent in the method by which they are valued, into a fair value hierarchy of three levels, as follows:

•Level 1: Inputs are unadjusted, quoted prices in active markets for identical instruments at the measurement date (e.g., U.S. government obligations, which are continually priced on a daily basis, active exchange-traded equity securities, and certain short-term securities).

•Level 2: Inputs (other than quoted prices included within Level 1) that are observable for the instrument either directly or indirectly (e.g., certain corporate and municipal bonds and certain preferred stocks). This includes: (i) quoted prices for similar instruments in active markets, (ii) quoted prices for identical or similar instruments in markets that are not active, (iii) inputs other than quoted prices that are observable for the instruments, and (iv) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

•Level 3: Inputs that are unobservable. Unobservable inputs reflect our subjective evaluation about the assumptions market participants would use in pricing the financial instrument (e.g., certain structured securities and privately held investments).

Determining the fair value of the investment portfolio is the responsibility of management. As part of the responsibility, we evaluate whether a market is distressed or inactive in determining the fair value for our portfolio. We review certain market level inputs to evaluate whether sufficient activity, volume, and new issuances exist to create an active market. Based on this evaluation, we concluded that there was sufficient activity related to the sectors and securities for which we obtained valuations.

14

The composition of the investment portfolio by major security type and our outstanding debt was:

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2022
Fixed maturities:
U.S. government obligations	$	18,719.2	$	0	$	0	$	18,719.2	$	19,832.3
State and local government obligations	0		2,135.4		0		2,135.4		2,281.9
Foreign government obligations	0		16.4		0		16.4		17.7
Corporate debt securities	0		10,167.8		0		10,167.8		10,869.6
Subtotal	18,719.2		12,319.6		0		31,038.8		33,001.5
Asset-backed securities:
Residential mortgage-backed	0		799.3		0		799.3		826.5
Commercial mortgage-backed	0		6,094.6		0		6,094.6		6,739.4
Other asset-backed	0		5,036.0		0		5,036.0		5,239.4
Subtotal asset-backed securities	0		11,929.9		0		11,929.9		12,805.3
Redeemable preferred stocks:
Financials	0		58.7		0		58.7		62.5
Utilities	0		8.8		0		8.8		10.5
Industrials	9.9		126.4		0		136.3		149.0
Subtotal redeemable preferred stocks	9.9		193.9		0		203.8		222.0
Total fixed maturities	18,729.1		24,443.4		0		43,172.5		46,028.8
Short-term investments	4,549.8		62.0		0		4,611.8		4,611.8
Total available-for-sale securities	23,278.9		24,505.4		0		47,784.3		50,640.6
Equity securities:
Nonredeemable preferred stocks:
Financials	87.8		1,099.7		64.9		1,252.4		1,402.5
Utilities	0		67.3		0		67.3		79.9
Industrials	0		23.8		17.0		40.8		40.1
Subtotal nonredeemable preferred stocks	87.8		1,190.8		81.9		1,360.5		1,522.5
Common equities:
Common stocks	2,716.8		49.4		0		2,766.2		765.1
Other risk investments	0		0		18.5		18.5		18.5
Subtotal common equities	2,716.8		49.4		18.5		2,784.7		783.6
Total equity securities	2,804.6		1,240.2		100.4		4,145.2		2,306.1
Total portfolio	$	26,083.5	$	25,745.6	$	100.4	$	51,929.5	$	52,946.7
Debt	$	0	$	6,028.9	$	0	$	6,028.9	$	6,386.5

15

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2021
Fixed maturities:
U.S. government obligations	$	19,437.7	$	0	$	0	$	19,437.7	$	19,339.3
State and local government obligations	0		2,440.5		0		2,440.5		2,379.1
Foreign government obligations	0		12.7		0		12.7		12.7
Corporate debt securities	0		10,678.2		0		10,678.2		10,314.8
Subtotal	19,437.7		13,131.4		0		32,569.1		32,045.9
Asset-backed securities:
Residential mortgage-backed	0		671.3		0		671.3		666.9
Commercial mortgage-backed	0		5,708.1		0		5,708.1		5,628.2
Other asset-backed	0		3,899.0		0		3,899.0		3,865.9
Subtotal asset-backed securities	0		10,278.4		0		10,278.4		10,161.0
Redeemable preferred stocks:
Financials	0		51.3		0		51.3		50.9
Utilities	0		0		0		0		0
Industrials	10.8		121.4		0		132.2		120.2
Subtotal redeemable preferred stocks	10.8		172.7		0		183.5		171.1
Total fixed maturities	19,448.5		23,582.5		0		43,031.0		42,378.0
Short-term investments	1,679.8		30.8		0		1,710.6		1,710.6
Total available-for-sale securities	21,128.3		23,613.3		0		44,741.6		44,088.6
Equity securities:
Nonredeemable preferred stocks:
Financials	98.4		1,332.5		76.4		1,507.3		1,431.2
Utilities	0		42.5		0		42.5		39.9
Industrials	0		25.6		34.4		60.0		40.1
Subtotal nonredeemable preferred stocks	98.4		1,400.6		110.8		1,609.8		1,511.2
Common equities:
Common stocks	4,527.3		0		52.5		4,579.8		1,226.8
Other risk investments	0		0		11.6		11.6		11.6
Subtotal common equities	4,527.3		0		64.1		4,591.4		1,238.4
Total equity securities	4,625.7		1,400.6		174.9		6,201.2		2,749.6
Total portfolio	$	25,754.0	$	25,013.9	$	174.9	$	50,942.8	$	46,838.2
Debt	$	0	$	6,446.7	$	0	$	6,446.7	$	5,397.5

16

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
December 31, 2021
Fixed maturities:
U.S. government obligations	$	18,488.2	$	0	$	0	$	18,488.2	$	18,586.1
State and local government obligations	0		2,185.3		0		2,185.3		2,162.6
Foreign government obligations	0		17.9		0		17.9		17.9
Corporate debt securities	0		10,692.1		0		10,692.1		10,526.2
Subtotal	18,488.2		12,895.3		0		31,383.5		31,292.8
Asset-backed securities:
Residential mortgage-backed	0		790.0		0		790.0		787.7
Commercial mortgage-backed	0		6,535.6		0		6,535.6		6,561.0
Other asset-backed	0		4,982.3		0		4,982.3		4,981.8
Subtotal asset-backed securities	0		12,307.9		0		12,307.9		12,330.5
Redeemable preferred stocks:
Financials	0		50.9		0		50.9		50.7
Utilities	0		0		0		0		0
Industrials	10.7		120.1		0		130.8		120.2
Subtotal redeemable preferred stocks	10.7		171.0		0		181.7		170.9
Total fixed maturities	18,498.9		25,374.2		0		43,873.1		43,794.2
Short-term investments	942.4		0.2		0		942.6		942.6
Total available-for-sale securities	19,441.3		25,374.4		0		44,815.7		44,736.8
Equity securities:
Nonredeemable preferred stocks:
Financials	115.3		1,305.7		76.4		1,497.4		1,451.7
Utilities	0		82.9		0		82.9		80.0
Industrials	0		25.2		34.4		59.6		40.1
Subtotal nonredeemable preferred stocks	115.3		1,413.8		110.8		1,639.9		1,571.8
Common equities:
Common stocks	4,991.6		50.0		0		5,041.6		1,247.2
Other risk investments	0		0		16.9		16.9		16.9
Subtotal common equities	4,991.6		50.0		16.9		5,058.5		1,264.1
Total equity securities	5,106.9		1,463.8		127.7		6,698.4		2,835.9
Total portfolio	$	24,548.2	$	26,838.2	$	127.7	$	51,514.1	$	47,572.7
Debt	$	0	$	5,857.4	$	0	$	5,857.4	$	4,898.8

Our portfolio valuations, excluding short-term investments, classified as either Level 1 or Level 2 in the above tables are priced exclusively by external sources, including pricing vendors, dealers/market makers, and exchange-quoted prices.

Our short-term investments classified as Level 1 are highly liquid, actively marketed, and have a very short duration, primarily 90 days or less to redemption. These securities are held at their original cost, adjusted for any accretion of discount, since that value very closely approximates what an active market participant would be willing to pay for such securities. The remainder of our short-term investments are classified as Level 2 and are not priced externally since these securities continually trade at par value. These securities are classified as Level 2 since they are primarily longer-dated securities issued by municipalities that contain either liquidity facilities or mandatory put features within one year.

At June 30, 2022, vendor-quoted prices represented 87% of our Level 1 classifications (excluding short-term investments), compared to 81% and 79% at June 30, 2021 and December 31, 2021, respectively. The securities quoted by vendors in Level 1 primarily represent our holdings in U.S. Treasury Notes, which are frequently traded, and the quotes are considered similar to exchange-traded quotes. The balance of our Level 1 pricing comes from quotes obtained directly from trades made on active exchanges.

17

At both June 30, 2022 and December 31, 2021, vendor-quoted prices comprised 98% of our Level 2 classifications (excluding short-term investments and common stock), while dealer-quoted prices represented the remaining 2%, compared to 99% and 1% at June 30, 2021. In our process for selecting a source (e.g., dealer or pricing service) to provide pricing for securities in our portfolio, we reviewed documentation from the sources that detailed the pricing techniques and methodologies used by these sources and determined if their policies adequately considered market activity, either based on specific transactions for the particular security type or based on modeling of securities with similar credit quality, duration, yield, and structure that were recently transacted. Once a source is chosen, we continue to monitor any changes or modifications to their processes by reviewing their documentation on internal controls for pricing and market reviews. We review quality control measures of our sources as they become available to determine if any significant changes have occurred from period to period that might indicate issues or concerns regarding their evaluation or market coverage.

As part of our pricing procedures, we obtain quotes from more than one source to help us fully evaluate the market price of securities. However, our internal pricing policy is to use a consistent source for individual securities in order to maintain the integrity of our valuation process. Quotes obtained from the sources are not considered binding offers to transact. Under our policy, when a review of the valuation received from our selected source appears to be outside of what is considered market level activity (which is defined as trading at spreads or yields significantly different than those of comparable securities or outside the general sector level movement without a reasonable explanation), we may use an alternate source’s price. To the extent we determine that it may be prudent to substitute one source’s price for another, we will contact the initial source to obtain an understanding of the factors that may be contributing to the significant price variance.

To allow us to determine if our initial source is providing a price that is outside of a reasonable range, we review our portfolio pricing on a weekly basis. When necessary, we challenge prices from our sources when a price provided does not match our expectations based on our evaluation of market trends and activity. Initially, we perform a review of our portfolio by sector to identify securities whose prices appear outside of a reasonable range. We then perform a more detailed review of fair values for securities disclosed as Level 2. We review dealer bids and quotes for these and/or similar securities to determine the market level context for our valuations. We then evaluate inputs relevant for each class of securities disclosed in the preceding hierarchy tables.

For our structured debt securities, including commercial, residential, and other asset-backed securities, we evaluate available market-related data for these and similar securities related to collateral, delinquencies, and defaults for historical trends and reasonably estimable projections, as well as historical prepayment rates and current prepayment assumptions and cash flow estimates. We further stratify each class of our structured debt securities into more finite sectors (e.g., planned amortization class, first pay, second pay, senior, subordinated, etc.) and use duration, credit quality, and coupon to determine if the fair value is appropriate.

For our corporate debt and preferred stock (redeemable and nonredeemable) portfolios, as well as the notes issued by The Progressive Corporation (see Note 4 – Debt), we review securities by duration, coupon, and credit quality, as well as changes in interest rate and credit spread movements within that stratification. The review also includes recent trades, including: volume traded at various levels that establish a market; issuer specific fundamentals; and industry specific economic news as it comes to light.

For our municipal securities (e.g., general obligations, revenue, and housing), we stratify the portfolio to evaluate securities by type, coupon, credit quality, and duration to review price changes relative to credit spread and interest rate changes. Additionally, we look to economic data as it relates to geographic location as an indication of price-to-call or maturity predictors. For municipal housing securities, we look to changes in cash flow projections, both historical and reasonably estimable projections, to understand yield changes and their effect on valuation.

Lastly, for our short-term securities, we look at acquisition price relative to the coupon or yield. Since our short-term securities are typically 90 days or less to maturity, with the majority listed in Level 2 being 30 days or less to redemption, we believe that acquisition price is the best estimate of fair value.

We also review data assumptions as supplied by our sources to determine if that data is relevant to current market conditions. In addition, we independently review each sector for transaction volumes, new issuances, and changes in spreads, as well as the overall movement of interest rates along the yield curve to determine if sufficient activity and liquidity exists to provide a credible source for our market valuations.

18

During each valuation period, we create internal estimations of portfolio valuation (performance returns), based on current market-related activity (i.e., interest rate and credit spread movements and other credit-related factors) within each major sector of our portfolio. We compare our internally generated portfolio results with those generated based on quotes we receive externally and research material valuation differences. We compare our results to index returns for each major sector adjusting for duration and credit quality differences to better understand our portfolio’s results. Additionally, we review on a monthly basis our external sales transactions and compare the actual final market sales prices to previous market valuation prices. This review provides us further validation that our pricing sources are providing market level prices, since we are able to explain significant price changes (i.e., greater than 2%) as known events occur in the marketplace and affect a particular security’s price at sale.

This analysis provides us with additional comfort regarding the source’s process, the quality of its review, and its willingness to improve its analysis based on feedback from clients. We believe this effort helps ensure that we are reporting the most representative fair values for our securities.

After all the valuations are received and our review of Level 2 securities is complete, if the inputs used by vendors are determined to not contain sufficient observable market information, we will reclassify the affected securities to Level 3.

Except as described below, our Level 3 securities are priced externally; however, due to several factors (e.g., nature of the securities, level of activity, and lack of similar securities trading to obtain observable market level inputs), these valuations are more subjective in nature.

To the extent we receive prices from external sources (e.g., broker, valuation firm) for the Level 3 securities, we review those prices for reasonableness using internally developed assumptions and then compare our derived prices to the prices received from the external sources. Based on our review, all prices received from external sources remained unadjusted.

If we do not receive prices from an external source, we perform an internal fair value comparison, which includes a review and analysis of market-comparable securities, to determine if fair value changes are needed. Based on this analysis, certain private equity investments included in the Level 3 category remain valued at cost or were priced using a recent transaction as the basis for fair value. At least annually, these private equity investments are priced by an external source.

Our Level 3 other risk investments include securities accounted for under the equity method of accounting and, therefore, are not subject to fair value reporting. Since these securities represent less than 0.1% of our total portfolio, we will continue to include them in our Level 3 disclosures and report the activity from these investments as “other” changes in the summary of changes in fair value table and categorize these securities as “pricing exemption securities” in the quantitative information table.

During 2021, we reclassified a Level 3 nonredeemable preferred stock held at December 31, 2020 to a Level 3 common stock to reflect that the security had converted during 2020. The security was transferred to Level 2 at December 31, 2021. At June 30, 2022 and 2021, and December 31, 2021, we did not have any securities in our fixed-maturity portfolio listed as Level 3.

Other than goodwill, during the second quarter and first six months of 2022 and 2021, there were no material assets or liabilities measured at fair value on a nonrecurring basis. During the second quarter 2022, we determined that the fair value of the goodwill related to our ARX Holding Corp. (ARX) reporting unit was less than the carrying value and we wrote down $224.8 million of our total goodwill asset. See Note 12 – Goodwill and Intangible Assets for further discussion. Due to the relative size of the Level 3 securities’ fair values compared to the total portfolio’s fair value, any changes in pricing methodology would not have a significant change in valuation that would materially impact net or comprehensive income.

19

The following tables provide a summary of changes in fair value associated with Level 3 assets for the three and six months ended June 30, 2022 and 2021:

	Level 3 Fair Value
(millions)	Fair Value at March 31, 2022		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2022
Equity securities:
Nonredeemable preferred stocks:
Financials	$	61.4	$	0	$	0	$	0	$	0	$	3.5	$	0	$	64.9
Industrials	33.9		0		0		0		0		(16.9)		0		17.0
Common equities:
Other risk investments	20.1		(1.6)		0		0		0		0		0		18.5
Total Level 3 securities	$	115.4	$	(1.6)	$	0	$	0	$	0	$	(13.4)	$	0	$	100.4
	Level 3 Fair Value
(millions)	Fair Value at March 31, 2021		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2021
Equity securities:
Nonredeemable preferred stocks:
Financials	$	10.0	$	0	$	60.2	$	0	$	0	$	6.2	$	0	$	76.4
Industrials	16.6		0		5.0		(5.0)		(4.5)		22.3		0		34.4
Common equities:
Common stocks	25.0		0		0		0		0		27.5		0		52.5
Other risk investments	3.2		8.4		0		0		0		0		0		11.6
Total Level 3 securities	$	54.8	$	8.4	$	65.2	$	(5.0)	$	(4.5)	$	56.0	$	0	$	174.9
	Level 3 Fair Value
(millions)	Fair Value at Dec. 31, 2021		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2022
Equity securities:
Nonredeemable preferred stocks:
Financials	$	76.4	$	0	$	0	$	(15.0)	$	(17.2)	$	20.7	$	0	$	64.9
Industrials	34.4		(0.5)		0		0		0		(16.9)		0		17.0
Common equities:
Other risk investments	16.9		1.6		0		0		0		0		0		18.5
Total Level 3 securities	$	127.7	$	1.1	$	0	$	(15.0)	$	(17.2)	$	3.8	$	0	$	100.4

20

	Level 3 Fair Value
(millions)	Fair Value at Dec. 31, 2020		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2021
Equity securities:
Nonredeemable preferred stocks:
Financials	$	10.0	$	0	$	60.2	$	0	$	0	$	6.2	$	0	$	76.4
Industrials	16.7		0		5.0		(5.0)		(4.5)		22.2		0		34.4
Common equities:
Common stocks	25.0		0		0		0		0		27.5		0		52.5
Other risk investments	3.1		8.5		0		0		0		0		0		11.6
Total Level 3 securities	$	54.8	$	8.5	$	65.2	$	(5.0)	$	(4.5)	$	55.9	$	0	$	174.9

The following tables provide a summary of the quantitative information about Level 3 fair value measurements for our applicable securities at June 30, 2022 and 2021, and December 31, 2021:

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at June 30, 2022		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	81.9	Market comparables	Weighted average market capitalization price change %	(47.3)% to (2.2)%	(13.3)	%
Subtotal Level 3 securities	81.9
Pricing exemption securities	18.5
Total Level 3 securities	$	100.4

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at June 30, 2021		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	110.8	Market comparables	Weighted average market capitalization price change %	(8.0)% to 9.9%	4.2	%
Common stocks	52.5		Market comparables	Weighted average market capitalization price change %	(12.1)% to 24.5%	12.1	%
Subtotal Level 3 securities	163.3
Pricing exemption securities	11.6
Total Level 3 securities	$	174.9

Note: The table was updated to agree with the current year presentation and to reflect the purchase of a nonredeemable preferred stock security in the second quarter 2020 that was subject to an automatic conversion to common stock during third quarter 2020.

21

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at Dec. 31, 2021		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	110.8	Market comparables	Weighted average market capitalization price change %	(20.2)% to (2.3)%	(7.7)%
Subtotal Level 3 securities	110.8
Pricing exemption securities	16.9
Total Level 3 securities	$	127.7

Note 4 Debt — Debt at each of the balance sheet periods consisted of:

	June 30, 2022				June 30, 2021				December 31, 2021
(millions)	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value
3.75% Senior Notes due 2021 (issued: $500.0, August 2011)	$	0	$	0	$	499.9	$	502.5	$	0	$	0
2.45% Senior Notes due 2027 (issued: $500.0, August 2016)	497.9		471.3		497.5		529.9		497.7		517.9
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)	497.2		472.6		0		0		0		0
6 5/8% Senior Notes due 2029 (issued: $300.0, March 1999)	297.3		340.6		297.0		396.1		297.2		388.2
4.00% Senior Notes due 2029 (issued: $550.0, October 2018)	546.2		543.3		545.7		631.5		545.9		621.0
3.20% Senior Notes due 2030 (issued: $500.0, March 2020)	496.7		463.0		496.3		549.0		496.5		536.3
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)	495.7		448.3		0		0		0		0
6.25% Senior Notes due 2032 (issued: $400.0, November 2002)	396.3		459.2		396.1		553.7		396.2		547.9
4.35% Senior Notes due 2044 (issued: $350.0, April 2014)	346.9		324.6		346.8		434.8		346.8		428.4
3.70% Senior Notes due 2045 (issued: $400.0, January 2015)	395.7		332.4		395.6		458.1		395.6		447.1
4.125% Senior Notes due 2047 (issued: $850.0, April 2017)	842.0		769.3		841.8		1,041.4		841.9		1,029.3
4.20% Senior Notes due 2048 (issued: $600.0, March 2018)	590.3		550.5		590.1		747.0		590.2		741.3
3.95% Senior Notes due 2050 (issued: $500.0, March 2020)	490.9		437.8		490.7		602.7		490.8		600.0
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)	493.4		416.0		0		0		0		0
Total	$	6,386.5	$	6,028.9	$	5,397.5	$	6,446.7	$	4,898.8	$	5,857.4

The Progressive Corporation issued $500 million of 2.50% Senior Notes due 2027, $500 million of 3.00% Senior Notes due 2032, and $500 million of 3.70% Senior Notes due 2052 in March 2022, in an underwritten public offering. The net proceeds from the issuances, after deducting underwriters’ discounts, commissions, and other issuance costs, were approximately $1,486.0 million in aggregate. Consistent with the other senior notes issued by Progressive, interest on these notes is payable semiannually, principal is due at maturity, and the notes are redeemable, in whole or in part, at any time, subject to a treasury “make whole” provision.

There was no short-term debt outstanding at June 30, 2022 and December 31, 2021. Short-term debt outstanding at June 30, 2021 consisted of the $500 million 3.75% Senior Notes that matured in August 2021.

The Progressive Corporation has a line of credit with PNC Bank, National Association (PNC), in the maximum principal amount of $250 million, which has the same terms as the line of credit with PNC that expired in April 2022. See the 2021 Annual Report to Shareholders for terms of this line of credit. We had no borrowings under the line of credit during the periods presented.

22

Note 5 Income Taxes — Deferred tax assets and liabilities are recorded based on the difference between the financial statement and tax bases of assets and liabilities at the enacted tax rates. We review our deferred tax assets regularly for recoverability. At June 30, 2022 and 2021, and December 31, 2021, we determined that we did not need a valuation allowance on our gross deferred tax assets. Although realization of the deferred tax assets is not assured, management believes that it is more likely than not the deferred tax assets will be realized based on our expectation that we will be able to fully utilize the deductions that are ultimately recognized for tax purposes.

For the six months ended June 30, 2022, there have been no material changes in our reserve for uncertain tax positions.

The effective tax rate for the three and six months ended June 30, 2022, was 14.6% and 6.8%, respectively, compared to 20.9% and 20.8% for the same periods last year. Excluding the effect of the goodwill impairment, which was a one-time charge, the effective tax rate for the three and six months ended June 30, 2022, were 22.6% and 79.9%, respectively. The higher effective rates for the current quarter and year, excluding the goodwill impairment charge, are in part due to our permanent tax differences having a greater impact on the effective rate given our pretax loss, compared to pretax income in the same periods last year.

Note 6 Loss and Loss Adjustment Expense Reserves — Activity in the loss and loss adjustment expense reserves is summarized as follows:

	June 30,
(millions)	2022		2021
Balance at January 1	$	26,164.1	$	20,265.8
Less reinsurance recoverables on unpaid losses	4,733.6		3,798.2
Net balance at January 1	21,430.5		16,467.6
Net loss and loss adjustment expense reserves acquired1	0		732.5
Total beginning reserves	21,430.5		17,200.1
Incurred related to:
Current year	18,134.6		15,319.9
Prior years	144.9		197.0
Total incurred	18,279.5		15,516.9
Paid related to:
Current year	9,298.3		7,849.6
Prior years	7,284.3		5,436.7
Total paid	16,582.6		13,286.3
Net balance at June 30	23,127.4		19,430.7
Plus reinsurance recoverables on unpaid losses	4,684.6		4,464.9
Balance at June 30	$	27,812.0	$	23,895.6

1 Net reserves acquired in the Protective Insurance acquisition.

We experienced unfavorable reserve development of $144.9 million and $197.0 million during the first six months of 2022 and 2021, respectively, which is reflected as “incurred related to prior years” in the table above.

Year-to-date June 30, 2022

•Approximately $97 million of the unfavorable prior year reserve development was attributable to accident year 2021, $16 million to accident year 2020, and the remainder to accident years 2019 and prior.

•Our personal auto products incurred about $45 million of unfavorable loss and loss adjustment expense (LAE) reserve development, with the Agency and Direct auto businesses each contributing about half. The unfavorable development was primarily attributable to higher than anticipated severity and frequency of auto property damage payments on previously closed claims and late reported injury claims, partially offset by more subrogation and salvage recoveries and lower loss adjustment expenses than originally anticipated.

•Our Commercial Lines business experienced about $98 million of unfavorable development, primarily due to higher than anticipated severity and frequency of late reported claims.

23

Year-to-date June 30, 2021

•Approximately $100 million of the unfavorable prior year reserve development was attributable to accident year 2019 and $114 million to 2018 and prior accident years, partially offset by favorable development attributable to accident year 2020.

•Our personal auto products incurred about $111 million of unfavorable loss and LAE reserve development, with about $67 million attributable to the Agency business. The unfavorable development was primarily attributable to a higher than anticipated frequency of reopened personal injury protection (PIP) claims, primarily in Florida, and higher than anticipated bodily injury severity, partially offset by less late reported claims than anticipated for accident year 2020.

•Our Commercial Lines business experienced about $73 million of unfavorable development, primarily due to increased injury severity, and the emergence of large injury claims at rates higher than originally anticipated primarily in Texas and Florida.

•Our Property business experienced about $20 million of unfavorable development, primarily due to higher than anticipated severity, reopen activity in Florida, and loss adjustment expense for prior loss years.

•Our special lines business experienced about $7 million of favorable development.

Note 7 Supplemental Cash Flow Information — Cash and cash equivalents include bank demand deposits and daily overnight reverse repurchase commitments of funds held in bank demand deposit accounts by certain subsidiaries. The amount of reverse repurchase commitments, which are not considered part of the investment portfolio, held by these subsidiaries at June 30, 2022 and 2021, and December 31, 2021, were $140.6 million, $90.5 million, and $137.1 million, respectively.

Restricted cash and cash equivalents include collateral held against unpaid deductibles and cash that is restricted to pay flood claims under the National Flood Insurance Program’s “Write Your Own” program, for which certain subsidiaries are administrators.

Non-cash activity included the following in the respective periods:

	Six Months Ended June 30,
(millions)	2022		2021
Common share dividends1	$	58.5	$	58.5
Operating lease liabilities2	22.5		55.9

1 Declared but unpaid. See Note 9 – Dividends for further discussion.

2 From obtaining right-of-use assets.

We paid the following in the respective periods: 

	Six Months Ended June 30,
(millions)	2022		2021
Income taxes	$	363.2	$	574.1
Interest	102.6		112.0
Operating lease liabilities	41.8		44.8

Note 8 Segment Information — Our Personal Lines segment writes insurance for personal autos and recreational vehicles (our special lines products). Our Commercial Lines segment writes auto-related liability and physical damage insurance, workers’ compensation insurance primarily for the transportation industry, and business-related general liability and property insurance, predominately for small businesses. Our Property segment writes residential property insurance for homeowners, other property owners, and renters. Our service businesses provide insurance-related services, including processing Commercial Automobile Insurance Procedures/Plans (CAIP) business and serving as an agent for homeowners, general liability, and workers’ compensation insurance, among other products, through programs in our direct Personal Lines and Commercial Lines businesses. All segment revenues are generated from external customers; all intercompany transactions are eliminated in consolidation.

24

Following are the operating results for the respective periods:

	Three Months Ended June 30,								Six Months Ended June 30,
	2022				2021				2022				2021
(millions)	Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)
Personal Lines
Agency	$	4,366.5	$	260.3	$	4,220.3	$	207.5	$	8,689.8	$	548.9	$	8,318.5	$	755.0
Direct	4,905.9		198.4		4,633.9		128.4		9,699.5		348.8		9,065.6		543.0
Total Personal Lines1	9,272.4		458.7		8,854.2		335.9		18,389.3		897.7		17,384.1		1,298.0
Commercial Lines	2,304.4		243.0		1,621.8		130.1		4,431.6		445.4		3,039.6		358.6
Property2	570.5		(156.9)		502.3		(83.3)		1,128.6		(148.6)		974.8		(154.0)
Other indemnity3	0.6		(6.3)		4.0		0.1		1.3		(7.2)		4.0		0.1
Total underwriting operations	12,147.9		538.5		10,982.3		382.8		23,950.8		1,187.3		21,402.5		1,502.7
Fees and other revenues4	176.5		NA		176.2		NA		350.5		NA		341.9		NA
Service businesses	80.1		4.6		74.5		6.6		147.8		9.1		128.3		11.1
Investments5	(885.3)		(891.2)		672.5		666.2		(1,088.4)		(1,100.0)		1,478.0		1,466.1
Interest expense	NA		(63.0)		NA		(56.4)		NA		(117.3)		NA		(112.8)
Property - Goodwill impairment2	NA		(224.8)		NA		0		NA		(224.8)		NA		0
Consolidated total	$	11,519.2	$	(635.9)	$	11,905.5	$	999.2	$	23,360.7	$	(245.7)	$	23,350.7	$	2,867.1

NA = Not applicable

1 Personal auto products accounted for 94% of the total Personal Lines segment net premiums earned during the three and six months ended June 30, 2022 and 2021; our special lines products (e.g., motorcycles, ATVs, RVs, watercraft, and snowmobiles) accounted for the balance of the Personal Lines net premiums earned.

2 The total pretax loss, including goodwill impairment, for the Property segment was $381.7 million and $373.4 million for the three and six months ended June 30, 2022, respectively. For the three and six months ended June 30, 2022, pretax profit (loss) also included $5.0 million and $19.1 million, respectively, of amortization expense associated with acquisition-related intangible assets attributable to our Property segment, and $14.1 million and $28.3 million for the same periods in 2021.

See Note 12 – Goodwill and Intangible Assets for further discussion.

3 Primarily includes run-off business operations.

4 Pretax profit (loss) for fees and other revenues is allocated to operating segments.

5 Revenues represent recurring investment income and total net realized gains (losses) on securities; pretax profit is net of investment expense.

Our management uses underwriting margin and combined ratio as primary measures of underwriting profitability. The underwriting margin is the pretax underwriting profit (loss) expressed as a percentage of net premiums earned (i.e., revenues from underwriting operations). Pretax underwriting profit (loss) is calculated as net premiums earned plus fees and other revenues, less: (i) losses and loss adjustment expenses; (ii) policy acquisition costs; and (iii) other underwriting expenses. Combined ratio is the complement of the underwriting margin. Following are the underwriting margins and combined ratios for our underwriting operations for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio
Personal Lines
Agency	6.0	%	94.0	4.9	%	95.1	6.3	%	93.7	9.1	%	90.9
Direct	4.0		96.0	2.8		97.2	3.6		96.4	6.0		94.0
Total Personal Lines	4.9		95.1	3.8		96.2	4.9		95.1	7.5		92.5
Commercial Lines	10.5		89.5	8.0		92.0	10.1		89.9	11.8		88.2
Property1	(27.5)		127.5	(16.6)		116.6	(13.2)		113.2	(15.8)		115.8
Total underwriting operations	4.4		95.6	3.5		96.5	5.0		95.0	7.0		93.0

1 Included in the three and six months ended June 30, 2022, is 0.9 points and 1.7 points, respectively, of amortization expense associated with intangible assets and 2.8 points and 2.9 points, respectively, for the three and six months ended June 30, 2021.

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Note 9 Dividends — Following is a summary of our common and preferred share dividends that were declared and/or paid during the six months ended June 30, 2022 and 2021:

(millions, except per share amounts)		Amount
Declared	Payable	Per Share		Accrued/Paid1
Common - Quarterly Dividends:
May 2022	July 2022	$	0.10	$	58.5
March 2022	April 2022	0.10		58.5
December 2021	January 2022	0.10		58.5
May 2021	July 2021	0.10		58.5
March 2021	April 2021	0.10		58.5
December 2020	January 2021	0.10		58.6
Common - Annual Variable Dividends:
December 2020	January 2021	4.50		2,635.9
Preferred Dividends:
December 2021	March 2022	26.875		13.4
December 2020	March 2021	26.875		13.4

1 The accrual is based on an estimate of common shares outstanding as of the record date and the common share accrual is recorded as a part of accounts payable, accrued expenses, and other liabilities on the consolidated balance sheets.

See Note 14 – Dividends in our 2021 Annual Report to Shareholders for a discussion of our quarterly and annual common share dividends and our preferred share dividend policies, including a discussion of the $1.50 per common share, or $876.5 million in the aggregate, 2021 annual variable common share dividend that was declared and paid in the fourth quarter 2021.

Note 10 Other Comprehensive Income (Loss) — The components of other comprehensive income (loss), including reclassification adjustments by income statement line item, were as follows: 

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2022	$	(1,753.4)	$	367.6	$	(1,385.8)	$	(1,370.7)	$	(14.7)	$	(0.4)
Other comprehensive income (loss) before reclassifications:
Investment securities	(1,246.7)		261.8		(984.9)		(984.9)		0		0
Foreign currency translation adjustment	(0.5)		0.1		(0.4)		0		0		(0.4)
Total other comprehensive income (loss) before reclassifications	(1,247.2)		261.9		(985.3)		(984.9)		0		(0.4)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(205.1)		43.0		(162.1)		(162.1)		0		0
Interest expense	0		0		0		0		0		0
Total reclassification adjustment for amounts realized in net income	(205.1)		43.0		(162.1)		(162.1)		0		0
Total other comprehensive income (loss)	(1,042.1)		218.9		(823.2)		(822.8)		0		(0.4)
Balance at June 30, 2022	$	(2,795.5)	$	586.5	$	(2,209.0)	$	(2,193.5)	$	(14.7)	$	(0.8)

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							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2021	$	504.6	$	(112.3)	$	392.3	$	407.7	$	(15.4)	$	0
Other comprehensive income (loss) before reclassifications:
Investment securities	174.7		(36.7)		138.0		138.0		0		0
Foreign currency translation adjustment	(0.6)		0.1		(0.5)		0		0		(0.5)
Total other comprehensive income (loss) before reclassifications	174.1		(36.6)		137.5		138.0		0		(0.5)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	59.4		(12.5)		46.9		46.9		0		0
Interest expense	(0.3)		0		(0.3)		0		(0.3)		0
Total reclassification adjustment for amounts realized in net income	59.1		(12.5)		46.6		46.9		(0.3)		0
Total other comprehensive income (loss)	115.0		(24.1)		90.9		91.1		0.3		(0.5)
Balance at June 30, 2021	$	619.6	$	(136.4)	$	483.2	$	498.8	$	(15.1)	$	(0.5)
							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2021	$	52.3	$	(11.6)	$	40.7	$	56.2	$	(14.9)	$	(0.6)
Other comprehensive income (loss) before reclassifications:
Investment securities	(3,098.4)		650.7		(2,447.7)		(2,447.7)		0		0
Foreign currency translation adjustment	(0.2)		0		(0.2)		0		0		(0.2)
Total other comprehensive income (loss) before reclassifications	(3,098.6)		650.7		(2,447.9)		(2,447.7)		0		(0.2)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(250.6)		52.6		(198.0)		(198.0)		0		0
Interest expense	(0.2)		0		(0.2)		0		(0.2)		0
Total reclassification adjustment for amounts realized in net income	(250.8)		52.6		(198.2)		(198.0)		(0.2)		0
Total other comprehensive income (loss)	(2,847.8)		598.1		(2,249.7)		(2,249.7)		0.2		(0.2)
Balance at June 30, 2022	$	(2,795.5)	$	586.5	$	(2,209.0)	$	(2,193.5)	$	(14.7)	$	(0.8)

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							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2020	$	1,187.4	$	(255.7)	$	931.7	$	947.3	$	(15.6)	$	0
Other comprehensive income (loss) before reclassifications:
Investment securities	(376.7)		79.1		(297.6)		(297.6)		0		0
Foreign currency translation adjustment	(0.6)		0.1		(0.5)		0		0		(0.5)
Total other comprehensive income (loss) before reclassifications	(377.3)		79.2		(298.1)		(297.6)		0		(0.5)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	191.1		(40.2)		150.9		150.9		0		0
Interest expense	(0.6)		0.1		(0.5)		0		(0.5)		0
Total reclassification adjustment for amounts realized in net income	190.5		(40.1)		150.4		150.9		(0.5)		0
Total other comprehensive income (loss)	(567.8)		119.3		(448.5)		(448.5)		0.5		(0.5)
Balance at June 30, 2021	$	619.6	$	(136.4)	$	483.2	$	498.8	$	(15.1)	$	(0.5)

In an effort to manage interest rate risk, we entered into forecasted transactions on certain of Progressive’s debt issuances. We expect to reclassify $0.5 million (pretax) into interest expense during the next 12 months, related to net unrealized losses on these forecasted transactions (see Note 4 – Debt in our 2021 Annual Report to Shareholders for further discussion).

Note 11 Litigation — The Progressive Corporation and/or its insurance subsidiaries are named as defendants in various lawsuits arising out of claims made under insurance policies written by our insurance subsidiaries in the ordinary course of business. We consider all legal actions relating to such claims in establishing our loss and loss adjustment expense reserves.

In addition, The Progressive Corporation and/or its subsidiaries are named as defendants in a number of class action or individual lawsuits that challenge certain of the operations of the subsidiaries. These cases include and/or typically have included those alleging damages as a result of, among other things, our subsidiaries’ methods used for evaluating and paying medical or injury claims or benefits, including, but not limited to, certain bodily injury, personal injury protection, uninsured motorist/underinsured motorist (UM/UIM), and medical payment claims and for reimbursing medical costs incurred by Medicare/Medicaid beneficiaries; other claims handling procedures, including, but not limited to, challenges relating to our network of repair facilities, our methods used for estimating physical damage to vehicles for repair purposes and for evaluating the actual cash value of total loss vehicles, our payment of fees and taxes, our subrogation practices, our salvage practices, and our handling of diminution of value claims; homeowner claims handling practices and procedures; our assessment of fees related to insufficient funds or reversed payments; interpretations of the provisions of our insurance policies; our insurance product design; our premium actions in response to the COVID-19 pandemic; rating practices; certain marketing, sales, services, implementation and renewal practices and procedures, including with respect to accessibility; our usage-based insurance program; certain relationships with independent insurance agents; patent matters; alleged violation of the Telephone Consumer Protection Act; commercial disputes, including breach of contract; and certain employment practices, including claims relating to pay practices and fair employment practices, among other matters. Other insurance companies face many of these same issues.

The nature and volume of litigation pending against The Progressive Corporation and/or its insurance subsidiaries is similar to that which was disclosed in Note 12 – Litigation in our 2021 Annual Report to Shareholders.

We plan to contest the pending lawsuits vigorously, but may pursue settlement negotiations in some cases, as we deem appropriate. Although outcomes of pending cases are uncertain until final disposition, we establish accruals for these lawsuits when it is probable that a loss has been or will be incurred and we can reasonably estimate potential loss exposure, which may include a range of loss. As to lawsuits for which the loss is considered neither probable or estimable, or is considered probable but not estimable, we do not establish an accrual. Nevertheless, we continue to evaluate pending litigation to determine if any losses not deemed probable and estimable become so, at which point we would establish an accrual at our best estimate of the loss or range of loss.

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With respect to our pending lawsuits that are not related to claims under insurance policies, the accruals that we have established, if any, were not material at June 30, 2022 and 2021, or December 31, 2021, and there were no material settlements during 2021 or the first six months of 2022. For most of these lawsuits, we do not consider any losses to be both probable and estimable, and we are unable to estimate a meaningful range of loss, if any, at this time, due to the factors discussed in Note 12 – Litigation in our 2021 Annual Report to Shareholders. In the event that any one or more of these lawsuits results in a substantial judgment against us, or settlement by us, or if our accruals (if any) prove to be inadequate by a significant amount, the resulting liability could have a material adverse effect on our consolidated financial condition, cash flows, and/or results of operations. For a further discussion on our pending litigation and related reserving policies, see Note 12 – Litigation in our 2021 Annual Report to Shareholders.

Note 12 Goodwill and Intangible Assets

Goodwill

The majority of the goodwill recorded as of June 30, 2022 and 2021, and December 31, 2021, related to the April 1, 2015, acquisition of a controlling interest in ARX. In connection with the preparation of our second quarter 2022 financial results, we recorded an impairment loss of $224.8 million, which is disclosed as a separate line item in our consolidated statements of comprehensive income. The impairment loss was fully allocated to our Property segment. There were no previously recorded accumulated impairment losses and there are no other accumulated goodwill impairment losses on any of the outstanding goodwill.

We performed the interim test of our goodwill for impairment for the ARX reporting unit. The indicators of impairment primarily related to the magnitude of recent weather events relative to forecasted expectations, as well as other factors impacting our plans to restore our Property business to target profitability in a timely fashion and the subsequent reduced forecasted profitability of ARX. As a result, we determined it was more likely than not that the fair value of the ARX reporting unit was less than its carrying value.

The quantitative goodwill impairment assessment consisted of comparing the fair value of the reporting unit to its carrying value. To determine the fair value of a reporting unit, we use a discounted cash flow model. The model uses assumptions including, but not limited to, discount rate, and forecasted growth, profitability, investment return, and capital requirements. The assumptions and estimates are consistent with those we believe other non-related marketplace participants would use and are based on management’s best estimates at the time of the analysis. The calculated fair value of the ARX reporting unit was below its carrying value at June 30, 2022, which resulted in recording a goodwill impairment. There was no indication of impairment on the remaining $227.9 million goodwill, of which 98% was attributable to our Personal Lines Agency business and related to the ARX acquisition.

Intangible Assets

The following table is a summary of the net carrying amount of other intangible assets:

(millions)	June 30, 2022		June 30, 2021		December 31, 2021
Intangible assets subject to amortization	$	84.8	$	134.1	$	104.9
Indefinite-lived intangible assets1	12.4		12.4		12.4
Total	$	97.2	$	146.5	$	117.3

1 Indefinite-lived intangible assets are comprised of state insurance and agent licenses. State insurance licenses were previously subject to amortization under superseded accounting guidance and have $0.6 million of accumulated amortization for all periods presented.

Intangible assets subject to amortization consisted of the following:

(millions)	June 30, 2022						June 30, 2021						December 31, 2021
Category	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Policies in force	$	0	$	0	$	0	$	256.2	$	228.7	$	27.5	$	256.2	$	247.1	$	9.1
Agency relationships	159.2		82.5		76.7		159.2		71.1		88.1		159.2		76.8		82.4
Software rights	69.1		62.6		6.5		69.1		54.0		15.1		69.1		58.3		10.8
Trade name	3.6		2.0		1.6		3.6		0.2		3.4		3.6		1.0		2.6
Total	$	231.9	$	147.1	$	84.8	$	488.1	$	354.0	$	134.1	$	488.1	$	383.2	$	104.9

Amortization expense was $5.5 million and $20.1 million for the three and six months ended June 30, 2022, respectively, compared to $14.3 million and $28.5 million during the same periods last year. During the first quarter 2022, the policies in

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force intangible asset, with a gross carrying value of $256.2 million, was fully amortized.

Note 13 New Accounting Standards — We did not adopt any new accounting standards during the six months ended June 30, 2022. We assessed the adoption impacts of recently issued accounting standards by the Financial Accounting Standards Board on our consolidated financial statements as well as material updates to previous assessments, if any, from our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. There were no new material accounting standards issued in the six months ended June 30, 2022, that are expected to impact The Progressive Corporation or its subsidiaries.

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

I. OVERVIEW

The Progressive Corporation’s insurance subsidiaries recognized growth in premiums during the second quarter 2022, compared to the same period last year, driven primarily by rate increases taken during 2021 and the first half of 2022. On a companywide basis, policies in force were relatively flat year over year. During the second quarter 2022, we generated an underwriting profit margin of 4.4%, which was above our 4.0% underwriting profit goal and 0.9 points better than the same period last year.

During the quarter, we generated $12.4 billion of net premiums written, which is an increase of $0.9 billion, or 8%, compared to second quarter 2021. We ended the second quarter 2022 with 26.5 million companywide policies in force, which is 130 thousand more policies than were in force at June 30, 2021. Personal auto policies in force decreased 2% year over year, while our Commercial Lines, Property, and special lines products grew policies 12%, 6%, and 5%, respectively. The decrease in our personal auto policies reflects the significant decrease experienced in new personal auto applications during the first half of 2022, compared to the same period last year, reflecting the personal auto rate increases taken since the first quarter of 2021 and decreased advertising spend, on a year-over-year basis, during the last 12 months.

On a year-over-year basis, for the second quarter 2022, net income and comprehensive income decreased 169% and 255%, respectively. The decrease in net income was primarily driven by a $1,722.2 million net holding period loss on securities during the period, due to the change in equity market valuations, compared to a net holding period gain of $54.2 million in the second quarter of 2021. In addition, while preparing our financial statements for the second quarter 2022, we analyzed our goodwill for impairment given our revised forecasted profitability in our Property segment in light of the magnitude of recent weather events and the slower projected pace to restore profitability to this segment. Based on this analysis, we determined the carrying value of the ARX Holding Corp. (ARX) reporting unit exceeded its fair value and, therefore, recorded a $224.8 million goodwill impairment charge during the second quarter.

Similar to the decrease in net income, the decrease in comprehensive income was also primarily driven by changes in the value of our investment portfolio, as we recognized net unrealized losses on our fixed-maturity securities of $822.8 million in the second quarter of 2022, compared to net unrealized gains of $91.1 million in the prior year, primarily reflecting an increase in interest rates throughout 2021 and into the second quarter 2022.

We ended the quarter with $22.0 billion of total capital (debt plus shareholders’ equity), a decrease of $1.1 billion from year-end 2021. The decrease is primarily due to the comprehensive loss for the six months ended June 30, 2022, partially offset by the issuance of $1.5 billion of senior notes during the first quarter 2022.

A. Insurance Operations

For the second quarter 2022, we experienced a companywide underwriting profit margin of 4.4%, compared to our target profit margin of 4% and an underwriting profit margin of 3.5% for the same period last year. Net premiums written grew 8% over the second quarter last year, reflecting rate increases taken since the first quarter of 2021, while policies in force growth was flat on a companywide basis. The distribution of profitability and growth varied by segment during the second quarter 2022 as discussed below.

During the second quarter 2022, our Personal and Commercial Lines operating segments generated an underwriting profit margin of 4.9% and 10.5%, respectively, while our Property business generated an underwriting loss margin of 27.5%, due to significant catastrophe losses incurred during the quarter. Our personal auto incurred accident frequency was down about 8% for the second quarter 2022, compared to the prior year, in part reflecting a modest tailwind from reduced driving resulting from record high fuel costs. We continued to see inflationary pressure in the average costs to settle a claim, which, along with the increase in the valuation of used vehicles on a year-over-year basis, contributed to an increase in severity of about 16% over the second quarter last year. During the quarter, catastrophe losses were fairly consistent on a year-over-year basis in our Personal Lines and Commercial Lines businesses but were up substantially in our Property business. For the second quarter 2022, our Property business recognized 40.9 points of weather-related catastrophe losses, primarily due to thunderstorms, hail, and tornadoes throughout the United States, compared to 25.5 points during same period in the prior year.

During the quarter, we continued to take actions to address profitability, in response to the continued rising loss costs and other factors, and to strive to achieve our target goal of a 96 combined ratio on a calendar-year basis. During the second quarter 2022, we implemented personal auto rate increases in 17 states that represented nearly 40% of our trailing 12-month written premium. In the aggregate, rate changes for personal auto during the second quarter increased rates on a countrywide basis about 2%, which follows an increase of about 7% in the first quarter 2022 and a full year increase of about 8% in 2021. Of the rate

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increases that we elevated in prior periods, we estimate that we have nearly 5 points still to earn into our underwriting results. We currently believe that, with the exception of a few key states, the major personal auto rate increases are behind us for the remainder of 2022. However, management continues to assess used car prices, miles driven, driving patterns, loss severity, weather events, inflation, and other components of expected loss costs on a state-by-state basis for our personal auto business and will file for rate adjustments where deemed necessary. We believe a key element in improving the accuracy of our rating is Snapshot®, our usage-based insurance offering. During the first six months of 2022, the adoption rates for consumers enrolling in the program, when given the option, increased nearly 20% in Agency auto and nearly 10% in Direct auto, compared to the same period last year. Our latest model is available in states that represented about 70% of our countrywide personal auto premium. We continue to invest in our mobile application, with mobile devices being chosen for Snapshot monitoring for the majority of new enrollments.

In addition to rate actions, during the second quarter 2022, we also continued to tighten underwriting criteria, limit bill plan payment options, and reduce advertising spend during the period in states where losses indicated rates are not meeting our profitability goals in our personal auto business. We reduced total advertising spend 7%, or 0.9 combined ratio points, compared to the second quarter last year, based on performance against our media and underwriting targets in certain types of advertising. Consistent with rate actions, management will continue to assess where additional non-rate actions may be needed. These rate and non-rate measures resulted in fewer new business auto applications during the year and could continue to impact personal auto growth in net premiums written and policies in force in future periods.

During the second quarter 2022, our Property business continued to experience high volatility in underwriting profitability, primarily attributable to the impact from weather-related catastrophe losses. We remain focused on taking rate and non-rate actions in our Property business to reduce volatility in our underwriting results. We increased rates in our Property businesses 7% and 8% during the second quarter and first six months of 2022, respectively, and 10% during the last 12 months. These targeted rate increases are continuing to be earned into the book of business.

We continue to focus our Property growth efforts in states with traditionally less catastrophe exposure and limit growth in the coastal and hail prone states. In response to this effort, in 2021, we announced plans to non-renew about 60,000 policies in Florida, which we started doing in the second quarter 2022. This effort to non-renew Florida policies was curtailed, in part, as new legislation was introduced in Florida potentially prohibiting the non-renewal of certain policies based on the age of the roof of the insured structure. While the outcome is still pending, we believe we will non-renew significantly less of the policies previously intended for non-renewal, which will slow our efforts to reduce the volatility in Property underwriting results.

We realized that our current pricing actions and underwriting activities to reduce our exposure in states with traditionally less catastrophe exposure and limit growth in the coastal and hail prone states will require more time than originally anticipated for our efforts to take effect to achieve our target combined ratio for the Property business. This information, combined with the continued extent of the weather-related losses, prompted us to reevaluate the forecasted combined ratio assumptions used in our 2021 annual goodwill impairment model for the ARX reporting unit as we were preparing our financial results for the second quarter 2022. In performing an interim goodwill impairment quantitative assessment, we determined the carrying value of ARX exceeded its currently forecasted fair value and recorded a non-cash goodwill impairment charge of $224.8 million during the quarter, which represented the entire amount of goodwill assigned to the ARX reporting unit. The write down is a nonrecurring item and did not impact underwriting profitability for the second quarter 2022. There are no indications of impairment on the remaining $227.9 million of goodwill, which is predominantly related to the ARX acquisition and assigned to our Personal Lines Agency auto business, since the primary intent of the acquisition was to give us the ability to better penetrate the Robinsons segment (i.e., bundled auto and home) within our independent agency distribution channel.

We evaluate growth in terms of both net premiums written and policies in force growth. The rate and non-rate actions that began in 2021, and continued into the second quarter 2022, impacted premium and volume growth on a year-over-year basis. For the second quarter 2022, our companywide net premiums written grew 8%, with Personal Lines growing 6%, Commercial Lines 16%, and Property 8%, primarily reflecting higher average written premium per policy. On a companywide basis, policies in force growth was flat, with Personal Lines decreasing 1%, and Commercial Lines and Property growing 12% and 6%, respectively. Within Personal Lines, policies in force in Agency auto decreased 5% and were flat in Direct auto year over year, while the special lines policies increased 5%. The decrease in our personal auto policy in force growth is attributable to the decrease in the growth of new applications during the six months ended June 30, 2022, as discussed below, as well as a decrease in the rate of growth in our renewal applications.

During the second quarter 2022, on a year-over-year basis, average written premiums grew 11% in personal auto, 14% in commercial auto (excluding our transportation network company (TNC), business owners policy (BOP), and Protective Insurance Corporation and subsidiaries (Protective Insurance) products), and 4% in Property, reflecting rate increases taken beginning in 2021 in response to rising loss costs. Growth may continue to be impacted by the actions we are taking to address

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profitability in response to rising loss costs and increasing severity trends. Given that our Property policies are 12-month terms, compared to primarily 6-month policies in our personal auto business, these rate actions will take longer to earn in.

The rate and non-rate measures we started taking during 2021, which continued into the second quarter 2022, resulted in fewer new business personal auto applications. During the second quarter 2022, new applications (i.e., issued policies) decreased 13% in our Personal Lines segment, with total new personal auto applications decreasing 15%. Agency auto new applications decreased 20% and Direct auto decreased 11%. We began to see slight improvement in new business auto applications toward the end of the second quarter as our competitors have more recently begun to increase rates. New applications for our special lines products were down 7% during the second quarter 2022, primarily reflecting the significant new application growth experienced during 2021, due to growth in RV, boat, and motorcycle demand. On a year-over-year basis for the second quarter 2022, renewal applications increased 2% in Personal Lines, with total personal auto renewal applications up 1% over the second quarter last year.

On a year-over-year basis for the second quarter 2022, in our Commercial Lines business (excluding our TNC, BOP, and Protective Insurance products) new applications decreased 6%, primarily reflecting the significant new application growth experienced during 2021, while renewal applications increased 15%. In addition, we have begun to see growth headwinds in our for-hire transportation product as the transportation freight market softens. In our Property business, new applications decreased 5% and renewal applications increased 8% on a year-over-year basis for the second quarter.

While the rate and non-rate actions resulted in fewer new business personal auto applications during the quarter, we strongly believe that achieving our target profit margin takes precedence over growing premiums and that the actions discussed above are necessary to position us well for the future. Nevertheless, we remain focused on growth and realize that to grow policies in force, it is critical that we retain our customers for longer periods. Consequently, increasing retention continues to be one of our most important priorities. Our efforts to increase our share of multi-product households remains a key initiative and we will continue to make investments to improve the customer experience in order to support that goal. Policy life expectancy, which is our actuarial estimate of the average length of time that a policy will remain in force before cancellation or lapse in coverage, is our primary measure of customer retention in our Personal Lines, Commercial Lines, and Property businesses.

We evaluate total auto retention using a trailing 12-month and a trailing 3-month policy life expectancy. The latter does not address seasonality and can reflect more volatility. As of the end of the second quarter 2022, our trailing 12-month total personal auto policy life expectancy decreased 11%, compared to last year, with the Agency channel down 13% and the Direct channel down 9%, respectively. Our trailing 3-month policy life expectancy for total personal auto was down 32% compared to the same period last year. The decreases in policy life expectancy reflect the impact of the rate actions we have taken, beginning in the second quarter 2021. Our Commercial Lines and special lines trailing 12-month policy life expectancy increased 1% and 6%, respectively, year over year, and Property decreased 8%.

B. Investments

The fair value of our investment portfolio was $51.9 billion at June 30, 2022, compared to $51.5 billion at December 31, 2021. Declines in valuations of our portfolio nearly offset the increase in invested assets generated from the solid cash flows from our underwriting operations and the proceeds of the $1.5 billion debt offering in March.

Our asset allocation strategy is to maintain 0%-25% of our portfolio in Group I securities, with the balance (75%-100%) of our portfolio in Group II securities (the securities allocated to Group I and II are defined below under Results of Operations – Investments). At June 30, 2022, 11% of our portfolio was allocated to Group I securities and 89% to Group II securities, compared to 17% and 83%, respectively, at December 31, 2021. The decrease in the percentage of Group I securities since year end was primarily driven by sales in our common equity portfolio with proceeds reinvested in Group II short-term investments.

Our recurring investment income generated a pretax book yield of 2.3% for the second quarter 2022, compared to 1.9% for the same period in 2021, due to the increase in interest rates on our floating-rate securities and the investment of cash and maturities at current higher interest rates. Our investment portfolio produced a fully taxable equivalent (FTE) total return of (3.6)% and 1.7% for the second quarter 2022 and 2021, respectively. Our fixed-income and common stock portfolios had FTE total returns of (2.4)% and (16.3)%, respectively, for the second quarter 2022, compared to 1.1% and 7.3%, respectively, last year. The fixed-income return variance reflects the impact of higher interest rates and wider credit spreads during the last twelve months. The common stock return variance reflects general market conditions.

At June 30, 2022, the fixed-income portfolio had a weighted average credit quality of AA- and a duration of 2.8 years, compared to AA- and 3.1 years at June 30, 2021 and AA- and 3.0 years at December 31, 2021. We have shortened our portfolio duration over the previous twelve months, which we believe provides some protection against further increases in interest rates.

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II. FINANCIAL CONDITION

A. Liquidity and Capital Resources

Progressive’s insurance operations create liquidity by collecting and investing premiums from new and renewal business in advance of paying claims. As primarily an auto insurer, our claims liabilities generally have a short-term duration. Operations generated positive cash flows of $3.9 billion and $4.9 billion for the six months ended June 30, 2022 and 2021, respectively. While we continued to collect premiums at a faster rate than losses were paid, the decrease in operating cash flow for the six months ended June 30, 2022, is primarily driven by higher paid losses as the costs of losses continue to rise, compared to last year. We believe cash flows are expected to remain positive in the reasonably foreseeable future and do not expect we will have a need to raise capital to support our operations in that timeframe, although changes in market or regulatory conditions affecting the insurance industry, or other unforeseen events, may necessitate otherwise.

Our total capital (debt plus shareholders’ equity) was $22.0 billion, at book value, at June 30, 2022, compared to $24.1 billion at June 30, 2021, and $23.1 billion at December 31, 2021. The decrease from the prior periods primarily reflects our comprehensive loss for the first half of 2022, driven by the negative market impact on the valuation of our investment portfolio, and the maturity of our 3.75% Senior Notes during the third quarter 2021, in part offset by the issuance in March 2022 of $500 million of 2.50% Senior Notes due 2027, $500 million of 3.00% Senior Notes due 2032, and $500 million of 3.70% Senior Notes due 2052. Our debt-to-total capital ratio was 29.0% at June 30, 2022, 22.4% at June 30, 2021, and 21.2% at December 31, 2021. While our financial policies include maintaining debt below 30% of total capital at book value, which we achieved for all periods presented, a continued rise in interest rates, widening credits spreads, further declines in the equity markets, or erosion in operating results may result in that ratio exceeding 30% at times. We may choose to remain above 30% for some time, dependent upon market conditions and capital needs of our operating business. However, in such a situation, we would expect to return to being consistent with our stated policy in an appropriate timeframe.

None of the covenants on our outstanding debt securities include rating or credit triggers that would require an adjustment of interest rates or an acceleration of principal payments in the event that our debt securities are downgraded by a rating agency. In April 2022, we renewed the unsecured discretionary line of credit (the “Line of Credit”) with PNC Bank, National Association, in the maximum principal amount of $250 million. We did not engage in short-term borrowings, including any borrowings under our Line of Credit, to fund our operations or for liquidity purposes during the reported periods.

During the first six months of 2022, we returned capital to shareholders primarily through common share dividends. Our Board of Directors declared a $0.10 per common share dividend in both the first and second quarters of 2022. These dividends, which were each $58.5 million in the aggregate, were paid in April 2022 and July 2022, respectively. In January 2022, we also paid common share dividends in the aggregate amount of $58.5 million, or $0.10 per share (see Note 9 – Dividends for further discussion). In addition to the common share dividends, in March 2022, we paid Series B Preferred Share dividends in the aggregate amount of $13.4 million.

Pursuant to our financial policies, we will repurchase common shares to neutralize dilution from equity-based compensation granted during the year and opportunistically when we believe our shares are trading below our determination of long-term fair value. During the first six months of 2022, we did not repurchase any shares in the open market and repurchased 0.3 million common shares, at a total cost of $29.5 million, to satisfy tax withholding obligations in connection with the vesting of equity awards under our equity compensation plans. We will continue to make decisions on returning capital to shareholders based on the strength of our capital position and potential capital needs to expand our business operations.

We seek to deploy capital in a prudent manner and use multiple data sources and modeling tools to estimate the frequency, severity, and correlation of identified exposures, including, but not limited to, catastrophic and other insured losses, natural disasters, and other significant business interruptions, to estimate our potential capital needs.

Based upon our capital planning and forecasting efforts, we believe we have sufficient capital resources and cash flows from operations to support our current business, scheduled principal and interest payments on our debt, anticipated quarterly dividends on our common shares and Series B Preferred Shares, our contractual obligations, and other expected capital requirements for the foreseeable future. We did not experience a significant change in our liquidity needs during the first six months of 2022. At all times measured during the first six months of 2022 and during 2021, which at a minimum occurs at the end of each month, our total capital exceeded the sum of our regulatory capital layer plus our self-constructed extreme contingency layer, as described in Exhibit 13 to our Annual Report on Form 10-K for the year ended December 31, 2021 (2021 Annual Report to Shareholders). As of June 30, 2022, our estimated consolidated statutory surplus was $16.6 billion.

During the first six months of 2022, our contractual obligations and critical accounting policies have not changed materially from those discussed in our 2021 Annual Report to Shareholders. Pursuant to our critical accounting policy for goodwill, we test our goodwill balance for impairment at the reporting unit level annually as of October 1, or more frequently if indicators of

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impairment exist. In conjunction with the preparation of our second quarter 2022 financial results, we performed a quantitative analysis of the goodwill attributable to our Property segment based on indications that impairment might exist. Based on this analysis, we wrote down $224.8 million of goodwill during the second quarter 2022. See Note 12 – Goodwill and Intangible Assets for further discussion. There have not been any material changes in off-balance-sheet leverage, which includes purchase obligations and catastrophe excess of loss reinsurance contracts, from those discussed in our 2021 Annual Report to Shareholders.

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III. RESULTS OF OPERATIONS – UNDERWRITING

A. Segment Overview

We report our underwriting operations in three segments: Personal Lines, Commercial Lines, and Property. As a component of our Personal Lines segment, we report our Agency and Direct business results to provide further understanding of our products by distribution channel.

The following table shows the composition of our companywide net premiums written, by segment, for the respective periods:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Personal Lines
Agency	36	%	38	%	35	%	38	%
Direct	40		40		40		41
Total Personal Lines1	76		78		75		79
Commercial Lines	19		17		20		16
Property	5		5		5		5
Total underwriting operations	100	%	100	%	100	%	100	%

1 Personal auto products accounted for 91% of the total Personal Lines segment net premiums written during the three months and 93% during the six months ended June 30, 2022 and 2021, and our special lines products accounted for the balance.

The shift between our Personal Lines and Commercial Lines segments during both the second quarter and first six months of 2022, compared to the same periods last year, reflects Commercial Lines (including Protective Insurance products) growing at a faster rate than Personal Lines.

Our Personal Lines business writes insurance for personal autos and special lines products (e.g., motorcycles, watercraft, and RVs). Within Personal Lines we often refer to our four consumer segments, which include:

•Sam - inconsistently insured;

•Diane - consistently insured and maybe a renter;

•Wrights - homeowners who do not bundle auto and home; and

•Robinsons - homeowners who bundle auto and home.

While our personal auto policies are primarily written for 6-month terms, we write 12-month auto policies in our Platinum agencies to promote bundled auto and home growth. At June 30, 2022, 14% of our Agency auto policies in force were 12-month policies, compared to 13% a year earlier. While the shift to 12-month policies is slow, to the extent our Agency application mix of annual policies grows, that shift in policy term could increase our written premium mix by channel as 12-month policies have about twice the amount of net premiums written compared to 6-month policies. Our special lines products are written for 12-month terms.

Our Commercial Lines business writes auto-related liability and physical damage insurance, workers’ compensation insurance primarily for the transportation industry, and business-related general liability and property insurance, predominately for small businesses. The majority of our Commercial Lines business is written through the independent agency channel, although our direct business is growing. To serve our direct channel customers, we continued to expand our product offerings, including adding states where we offer BOP and include the product on our digital platform serving direct small business consumers (BusinessQuote Explorer®). The amount of commercial auto business written through the direct channel, excluding our TNC business, grew 4% on a quarter-over-prior-year-quarter basis. However, given the growth in our commercial auto agency book of business, which includes the Protective Insurance products, the direct commercial auto business represented 9% of our commercial auto premiums, compared to 10% a year earlier. We write about 90% of Commercial Lines policies for 12-month terms.

Our Property business writes residential property insurance for homeowners, other property owners, and renters. We write the majority of our Property business through the independent agency channel; however, we continue to expand the distribution of our Property product offerings in the direct channel, which represented about 24% of premiums written for the second quarter 2022, compared to 22% for the same period last year. Property policies are written for 12-month terms.

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B. Profitability

Profitability for our underwriting operations is defined by pretax underwriting profit, which is calculated as net premiums earned plus fees and other revenues less losses and loss adjustment expenses, policy acquisition costs, and other underwriting expenses. We also use underwriting margin, which is underwriting profit or loss expressed as a percentage of net premiums earned, to analyze our results. For the respective periods, our underwriting profitability results were as follows:

	Three Months Ended June 30,								Six Months Ended June 30,
	2022				2021				2022				2021
	Underwriting Profit (Loss)				Underwriting Profit (Loss)				Underwriting Profit (Loss)				Underwriting Profit (Loss)
($ in millions)	$		Margin		$		Margin		$		Margin		$		Margin
Personal Lines
Agency	$	260.3	6.0	%	$	207.5	4.9	%	$	548.9	6.3	%	$	755.0	9.1	%
Direct	198.4		4.0		128.4		2.8		348.8		3.6		543.0		6.0
Total Personal Lines	458.7		4.9		335.9		3.8		897.7		4.9		1,298.0		7.5
Commercial Lines	243.0		10.5		130.1		8.0		445.4		10.1		358.6		11.8
Property1	(156.9)		(27.5)		(83.3)		(16.6)		(148.6)		(13.2)		(154.0)		(15.8)
Other indemnity2	(6.3)		NM		0.1		NM		(7.2)		NM		0.1		NM
Total underwriting operations	$	538.5	4.4	%	$	382.8	3.5	%	$	1,187.3	5.0	%	$	1,502.7	7.0	%

1 For the three and six months ended June 30, 2022, underwriting profit (loss) includes $5.0 million and $19.1 million, respectively, of amortization expense associated with acquisition-related intangible assets attributable to our Property segment, compared to $14.1 million and $28.3 million for the respective periods last year.

2 Underwriting margins for our other indemnity business are not meaningful (NM) due to the low level of premiums earned by, and the variability of loss costs in, such business.

During the second quarter 2022, the increase in our underwriting profitability primarily reflected a decrease in our expenses, which in part were due to a decrease in advertising spend and personnel costs, reflecting a decrease in our annual cash-incentive Gainshare program accrual. For the first six months of 2022, our profitability decreased from the same period last year primarily driven by higher accident severity and catastrophe losses. See the Losses and Loss Adjustment Expenses (LAE) section below for further discussion of our frequency and severity trends and catastrophe losses incurred during the period.

The pandemic has shifted consumer behavior and impacted general economic conditions. We have seen volatility in our severity trends as inflation continued to influence higher vehicle prices and costs to repair vehicles. We have responded, and will continue to respond, to these market changes through rate increases, underwriting restrictions, and other non-rate actions.

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Further underwriting results for our Personal Lines business, including results by distribution channel, the Commercial Lines business, the Property business, and our underwriting operations in total, were as follows:

	Three Months Ended June 30,			Six Months Ended June 30,
Underwriting Performance1	2022	2021	Change	2022	2021	Change
Personal Lines – Agency
Loss & loss adjustment expense ratio	77.3	76.5	0.8	76.3	72.2	4.1
Underwriting expense ratio	16.7	18.6	(1.9)	17.4	18.7	(1.3)
Combined ratio	94.0	95.1	(1.1)	93.7	90.9	2.8
Personal Lines – Direct
Loss & loss adjustment expense ratio	77.9	77.0	0.9	77.5	72.8	4.7
Underwriting expense ratio	18.1	20.2	(2.1)	18.9	21.2	(2.3)
Combined ratio	96.0	97.2	(1.2)	96.4	94.0	2.4
Total Personal Lines
Loss & loss adjustment expense ratio	77.7	76.8	0.9	76.9	72.5	4.4
Underwriting expense ratio	17.4	19.4	(2.0)	18.2	20.0	(1.8)
Combined ratio	95.1	96.2	(1.1)	95.1	92.5	2.6
Commercial Lines
Loss & loss adjustment expense ratio	70.4	71.8	(1.4)	70.6	67.9	2.7
Underwriting expense ratio	19.1	20.2	(1.1)	19.3	20.3	(1.0)
Combined ratio	89.5	92.0	(2.5)	89.9	88.2	1.7
Property
Loss & loss adjustment expense ratio	101.7	87.5	14.2	86.4	86.2	0.2
Underwriting expense ratio2	25.8	29.1	(3.3)	26.8	29.6	(2.8)
Combined ratio2	127.5	116.6	10.9	113.2	115.8	(2.6)
Total Underwriting Operations
Loss & loss adjustment expense ratio	77.4	76.5	0.9	76.2	72.5	3.7
Underwriting expense ratio	18.2	20.0	(1.8)	18.8	20.5	(1.7)
Combined ratio	95.6	96.5	(0.9)	95.0	93.0	2.0
Accident year – Loss & loss adjustment expense ratio3	77.8	75.8	2.0	75.6	71.6	4.0

1 Ratios are expressed as a percentage of net premiums earned. The portion of fees and other revenues related to our loss adjustment activities are netted against loss adjustment expenses and the portion of fees and other revenues related to our underwriting operations are netted against underwriting expenses in the ratio calculations.

2 Included in the three and six months ended June 30, 2022, are 0.9 points and 1.7 points, respectively, of amortization expense on acquisition-related intangible assets attributable to our Property segment, and 2.8 points and 2.9 points for the respective periods last year. Excluding this expense, for the three months ended June 30, 2022 and 2021, the Property business would have reported expense ratios of 24.9 and 26.3, respectively, and combined ratios of 126.6 and 113.8, respectively. For the six months ended June 30, 2022 and 2021, excluding this expense, the Property business would have reported expense ratios of 25.1 and 26.7, respectively, and combined ratios of 111.5 and 112.9, respectively.

3 The accident year ratios include only the losses that occurred during the period noted. As a result, accident period results will change over time, either favorably or unfavorably, as we revise our estimates of loss costs when payments are made or reserves for that accident period are reviewed.

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Losses and Loss Adjustment Expenses (LAE)

	Three Months Ended June 30,				Six Months Ended June 30,
(millions)	2022		2021		2022		2021
Change in net loss and LAE reserves	$	1,131.6	$	1,603.1	$	1,696.9	$	2,230.6
Paid losses and LAE	8,289.5		6,803.3		16,582.6		13,286.3
Total incurred losses and LAE	$	9,421.1	$	8,406.4	$	18,279.5	$	15,516.9

Claims costs, our most significant expense, represent payments made and estimated future payments to be made, to or on behalf of our policyholders, including expenses needed to adjust or settle claims. Claims costs are a function of loss severity and frequency and, for our vehicle businesses, are influenced by inflation and driving patterns, among other factors, some of which are discussed below. In our Property business, severity is primarily a function of construction costs and the age of the structure. Accordingly, anticipated changes in these factors are taken into account when we establish premium rates and loss reserves. Loss reserves are estimates of future costs and our reserves are adjusted as underlying assumptions change and information develops.

Our total loss and LAE ratio increased 0.9 points for the second quarter 2022, compared to the same period last year, and 3.7 points on a year-to-date basis, primarily due to increased accident severity in both our personal and commercial auto businesses and higher catastrophe losses, partially offset by lower accident frequency in our personal auto business and the higher premium per vehicle due to rate increases in both our personal and commercial auto businesses.

The following table shows our consolidated catastrophe losses and related combined ratio point impact, excluding loss adjustment expenses, incurred during the periods:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
($ in millions)	$		Point	$		Point	$		Point	$		Point
Personal Lines	$	285.2	3.1	$	211.8	2.4	$	329.7	1.8	$	276.9	1.6
Commercial Lines	9.6		0.4	6.6		0.4	12.4		0.3	8.4		0.3
Property	233.5		40.9	128.0		25.5	332.8		29.5	272.6		28.0
Total net catastrophe losses incurred	$	528.3	4.3	$	346.4	3.2	$	674.9	2.8	$	557.9	2.6

During the second quarter 2022, the majority of catastrophe losses were due to thunderstorms, hail, and tornadoes, throughout the United States. We have responded, and plan to continue to respond, promptly to catastrophic events when they occur in order to provide exemplary claims service to our customers.

Future catastrophes could have a material impact on our financial condition, cash flows, or results of operations. As a result, we reinsure various risks including, but not limited to, catastrophic losses. We do not have catastrophe-specific reinsurance for our Personal Lines or commercial auto businesses, but we reinsure portions of our Property business. The Property business reinsurance programs include catastrophe occurrence excess of loss contracts and aggregate excess of loss contracts. We also purchase non-weather-related catastrophe reinsurance on our Protective Insurance workers’ compensation insurance.

We evaluate our reinsurance programs during the renewal process, if not more frequently, to ensure our programs continue to effectively address the company’s risk tolerance. During the second quarter 2022, we entered into new reinsurance contracts under our per occurrence excess of loss program for our Property business. The reinsurance program has retention thresholds for losses and allocated loss adjustment expense (ALAE) from a single catastrophic event of $200 million, which is unchanged from the retention threshold on the prior contracts. During 2022, we also entered into a new aggregate excess of loss reinsurance contract that increased our retention from $475 million to $575 million and reduced aggregate potential coverage by $50 million, to a total of $175 million, compared to our 2021 program. In our view, our capital position and growing balance sheet enabled us to assume more of these risks via higher retention levels. While the total coverage limit and per-event retention will evolve to fit the growth of our business, we expect to remain a consistent purchaser of reinsurance coverage. Consistent with this history, we were able to fully place our desired coverage at both January 1st and June 1st renewal events. See Item 1 – Description of Business-Reinsurance in our Annual Report on Form 10-K for the year ended December 31, 2021, for a discussion of our various reinsurance programs. During the second quarter and first six months of 2022, we did not experience significant excess of loss reinsurance activity and we have not exceeded the annual retention thresholds under our 2022 catastrophe aggregate excess of loss program.

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The following discussion of our severity and frequency trends in our personal auto business excludes comprehensive coverage because of its inherent volatility, as it is typically linked to catastrophic losses generally resulting from adverse weather. For our commercial auto products, the reported frequency and severity trends include comprehensive coverage. Comprehensive coverage insures against damage to a customer’s vehicle due to various causes other than collision, such as windstorm, hail, theft, falling objects, and glass breakage.

Total personal auto incurred severity (i.e., average cost per claim, including both paid losses and the change in case reserves) on a calendar-year basis increased about 16% during the second quarter and first six months of 2022, compared to the same periods last year. These increases reflect the impact of inflation, which continues to increase in the valuation of used vehicles and our total loss and repair costs.

Following are the changes we experienced in severity in our auto coverages on a year-over-year basis:

•Collision increased 23% and 26% for the second quarter and first six months of 2022, respectively, and auto property damage increased about 24% and 23%, respectively, in part due to increased used car prices.

•Bodily injury increased about 9% and 8% for the second quarter and first six months of 2022, respectively, due in part to increasing non-medical losses.

•Personal injury protection (PIP) decreased about 7% during the second quarter and first six months of 2022, due in part to coverage reform in Michigan and high reopen activity in Florida during the first half of 2021.

To address inherent seasonality trends and lessen the effects of month-to-month variability in the commercial auto products, we use a trailing 12-month period in assessing severity. In the second quarter 2022, our commercial auto products’ incurred severity, excluding our TNC business, increased 12% compared to the same period last year. In addition to general trends in the marketplace, the increase in our commercial auto products’ severity primarily reflects shifts in the mix of business to for-hire transportation, which has higher average severity than the business auto and contractor business market targets. Since the loss patterns in the TNC business are not indicative of our other commercial auto products, disclosing severity and frequency trends excluding that business is more representative of our overall experience for the majority of our commercial auto products.

It is a challenge to estimate future severity, but we continue to monitor changes in the underlying costs, such as general inflation, used car prices, vehicle repair costs, medical costs, health care reform, court decisions, and jury verdicts, along with regulatory changes and other factors that may affect severity.

Our personal auto incurred frequency, on a year-over-year basis, decreased about 8% and 4% for the second quarter and first six months of 2022, respectively, compared to the same periods last year. Following are the frequency changes we experienced by coverage:

•PIP and bodily injury decreased about 11% and 9%, respectively, for the second quarter 2022 and 5% for the first six months of 2022.

•Collision and auto property damage decreased about 10% and 8%, respectively, for the second quarter and 5% and 3% for the first six months of 2022.

On a trailing 12-month basis, our commercial auto products’ incurred frequency, excluding our TNC business, increased 5% during the second quarter 2022, compared to the same period last year. The frequency increase was in part due to an uneven recovery across different commercial auto business markets, many of which have not yet returned to pre-pandemic levels and are continuing to see increasing frequency since the COVID-19 pandemic lows.

We closely monitor the changes in frequency, but the degree or direction of near-term frequency change is not something that we are able to predict with any degree of confidence, and this challenge is exacerbated by the uncertainty of the current environment. We will continue to analyze trends to distinguish changes in our experience from other external factors, such as changes in the number of vehicles per household, miles driven, vehicle usage, gasoline prices, advances in vehicle safety, and unemployment rates, versus those resulting from shifts in the mix of our business or changes in driving patterns, to allow us to react quickly to price for these trends and to reserve more accurately for our loss exposures.

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The table below presents the actuarial adjustments implemented and the loss reserve development experienced on a companywide basis in the following periods:

	Three Months Ended June 30,						Six Months Ended June 30,
($ in millions)	2022			2021			2022			2021
ACTUARIAL ADJUSTMENTS
Reserve decrease (increase)
Prior accident years	$	(65.5)		$	(22.1)		$	(50.4)		$	(44.2)
Current accident year	(14.4)			15.5			(53.2)			18.4
Calendar year actuarial adjustments	$	(79.9)		$	(6.6)		$	(103.6)		$	(25.8)
PRIOR ACCIDENT YEARS DEVELOPMENT
Favorable (unfavorable)
Actuarial adjustments	$	(65.5)		$	(22.1)		$	(50.4)		$	(44.2)
All other development	111.4			(50.5)			(94.5)			(152.8)
Total development	$	45.9		$	(72.6)		$	(144.9)		$	(197.0)
(Increase) decrease to calendar year combined ratio	0.4		pts.	(0.7)		pts.	(0.6)		pts.	(0.9)		pts.

Total development consists of both actuarial adjustments and “all other development” on prior accident years. The actuarial adjustments represent the net changes made by our actuarial staff to both current and prior accident year reserves based on regularly scheduled reviews. Through these reviews, our actuaries identify and measure variances in the projected frequency and severity trends, which allow them to adjust the reserves to reflect the current cost trends. For our Property business, 100% of catastrophe losses are reviewed monthly, and any development on catastrophe reserves are included as part of the actuarial adjustments. For the Personal Lines and Commercial Lines businesses, development for catastrophe losses in the vehicle businesses would be reflected in “all other development,” discussed below, to the extent they relate to prior year reserves. We report these actuarial adjustments separately for the current and prior accident years to reflect these adjustments as part of the total prior accident years development.

“All other development” represents claims settling for more or less than reserved, emergence of unrecorded claims at rates different than anticipated in our incurred but not recorded (IBNR) reserves, and changes in reserve estimates on specific claims. Although we believe the development from both the actuarial adjustments and “all other development” generally results from the same factors, we are unable to quantify the portion of the reserve development that might be applicable to any one or more of those underlying factors.

Our objective is to establish case and IBNR reserves that are adequate to cover all loss costs, while incurring minimal variation from the date the reserves are initially established until losses are fully developed. Our ability to meet this objective is impacted by many factors. Changes in case law, particularly related to PIP, can make it difficult to estimate reserves timely and with minimal variation. See Note 6 – Loss and Loss Adjustment Expense Reserves, for a more detailed discussion of our prior accident years development.

Underwriting Expenses

The companywide underwriting expense ratio (i.e., policy acquisition costs and other underwriting expenses, net of certain fees and other revenues, expressed as a percentage of net premiums earned) decreased 1.8 points for the second quarter 2022, compared to the same period last year, and 1.7 points on a year-to-date basis, primarily reflecting a decrease in our advertising spend and a decrease in personnel costs. In total, our advertising spend decreased 7% for both the second quarter and first six months of 2022, compared to the same periods last year in an effort to improve profitability to reach our 96 combined ratio goal, and had a 0.9 and 1.0 point, respectively, impact on our companywide expense ratio. We experienced a decrease in personnel costs primarily resulting from a decrease in our annual cash-incentive Gainshare program accrual, reflecting lower year-to-date segment profitability, which had a 0.9 and 0.8 point, respective, impact on our companywide expense ratio.

To analyze underwriting expenses, we also review our non-acquisition expense ratio (NAER), which excludes costs related to policy acquisition, including advertising and agency commissions, from our underwriting expense ratio. By excluding acquisition costs from our underwriting expense ratio, we are able to understand costs other than those necessary to acquire new policies and grow the business. During the second quarter, our NAER decreased 0.5 points, 0.6 points, and 0.8 points in our Personal Lines, Commercial Lines, and Property businesses, respectively, compared to the same period last year. On a year-to-date basis, our NAER decreased 0.2 points, 0.4 points, and 0.7 points in our Personal Lines, Commercial Lines, and Property businesses, respectively, compared to the same period last year.

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C. Growth

For our underwriting operations, we analyze growth in terms of both premiums and policies. Net premiums written represent the premiums from policies written during the period, less any premiums ceded to reinsurers. Net premiums earned, which are a function of the premiums written in the current and prior periods, are earned as revenue over the life of the policy using a daily earnings convention. Policies in force, our preferred measure of growth since it removes the variability due to rate changes or mix shifts, represents all policies under which coverage was in effect as of the end of the period specified.

	Three Months Ended June 30,						Six Months Ended June 30,
($ in millions)	2022		2021		% Growth		2022		2021		% Growth
NET PREMIUMS WRITTEN
Personal Lines
Agency	$	4,493.6	$	4,326.1	4	%	$	9,010.0	$	8,784.8	3	%
Direct	4,978.9		4,574.1		9		10,181.4		9,576.8		6
Total Personal Lines	9,472.5		8,900.2		6		19,191.4		18,361.6		5
Commercial Lines	2,308.8		1,986.3		16		5,234.5		3,780.4		38
Property	639.6		590.9		8		1,175.7		1,064.5		10
Other indemnity1	1.2		2.9		(59)		1.5		2.9		(48)
Total underwriting operations	$	12,422.1	$	11,480.3	8	%	$	25,603.1	$	23,209.4	10	%
NET PREMIUMS EARNED
Personal Lines
Agency	$	4,366.5	$	4,220.3	3	%	$	8,689.8	$	8,318.5	4	%
Direct	4,905.9		4,633.9		6		9,699.5		9,065.6		7
Total Personal Lines	9,272.4		8,854.2		5		18,389.3		17,384.1		6
Commercial Lines	2,304.4		1,621.8		42		4,431.6		3,039.6		46
Property	570.5		502.3		14		1,128.6		974.8		16
Other indemnity1	0.6		4.0		(85)		1.3		4.0		(68)
Total underwriting operations	$	12,147.9	$	10,982.3	11	%	$	23,950.8	$	21,402.5	12	%
1 Represents Protective Insurance’s run-off business.
							June 30,
(thousands)							2022		2021		% Growth
POLICIES IN FORCE
Personal Lines
Agency auto							7,619.5		8,014.2		(5)	%
Direct auto							9,557.0		9,581.3		0
Total auto							17,176.5		17,595.5		(2)
Special lines1							5,485.0		5,211.7		5
Personal Lines — total							22,661.5		22,807.2		(1)
Commercial Lines							1,024.6		916.6		12
Property							2,823.0		2,655.5		6
Companywide total							26,509.1		26,379.3		0	%

1 Includes insurance for motorcycles, watercraft, RVs, and similar items.

To analyze growth, we review new policies, rate levels, and the retention characteristics of our segments. Although new policies are necessary to maintain a growing book of business, we recognize the importance of retaining our current customers as a critical component of our continued growth.

As shown in the tables below, we measure retention by policy life expectancy. We review our customer retention for our personal auto products using both a trailing 3-month and a trailing 12-month period. We believe changes in policy life expectancy using a trailing 12-month period measure is indicative of recent experience, mitigates the effects of month-to-month variability, and addresses seasonality. Although using a trailing 3-month measure does not address seasonality and can reflect more volatility, this measure is more responsive to current experience and generally can be an indicator of how our retention rates are moving. We believe the second quarter 2021 year-over-year change in the trailing 3-month policy life expectancy is not representative of true retention activity due to the significant renewal activity during the second quarter 2020, as a result of suspending cancellations of policies for non-payment, and, therefore, we have chosen not to disclose this measure in the tables below as we do not believe the change is meaningful.

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D. Personal Lines

The following table shows our year-over-year changes for our Personal Lines business:

	Growth Over Prior Year
	Quarter				Year-to-date
	2022		2021		2022		2021
Applications
New	(13)	%	7	%	(18)	%	11	%
Renewal	2		9		4		11
Written premium per policy - Auto	11		(2)		8		(3)
Policy life expectancy - Auto
Trailing 3 months	(32)		NM
Trailing 12 months	(11)		3

NM = Not meaningful

New application growth in our Personal Lines products were down during the second quarter and first six months of 2022, with our personal auto new application growth down 15% and 21%, respectively, and our special lines new application growth down 7% and 8%. The decrease in personal auto new applications is primarily attributable to the rate actions and underwriting restrictions that began in the second quarter of 2021 and continued through the second quarter 2022. The decrease in special lines new applications primarily reflects a decrease in demand for RV, boat, and motorcycle products, as compared to the first half 2021 when sales of these products was strong. We continued to see personal auto and special lines renewal application growth.

Results varied by consumer segment. At the end of the second quarter 2022, Robinsons saw single-digit personal auto policy in force growth, compared to the second quarter last year, while Sams saw a low double-digit decline in policy in force growth. New auto applications experienced a decrease across all four consumer segments in the second quarter, year over year. Quote volume increased in the second quarter, on a year-over-year basis, in all of our consumer segments, except Sams, with all consumer segments seeing a decreased rate of conversion.

During the second quarter 2022, we implemented rate increases in 17 states. In the aggregate, on a countrywide basis, personal auto net rate increases were about 2% for the quarter. During the second quarter 2022, we also reduced advertising spend and tightened underwriting criteria in consumer segments where losses indicated rates are not meeting our profitability goals. These actions had and may continue to have a negative impact on our new and renewal business applications and policy life expectancy in the near term, as indicated by the decline in the trailing 3-month and trailing 12-month policy life expectancy.

Our written premium per policy increased during the second quarter and first six months of 2022, primarily due to the rate increases, which started in the second quarter 2021 and continued throughout the first half of 2022. Our focus on achieving our target underwriting profitability takes precedence over growth. We will continue to manage growth and profitability in accordance with our long-standing goal of growing as fast as we can as long as we can provide great customer service at or below a companywide 96 combined ratio on a calendar-year basis.

We report our Agency and Direct business results separately as components of our Personal Lines segment to provide further understanding of our products by distribution channel. The channel discussions below are focused on personal auto insurance since this product accounted for 91% and 93% of the Personal Lines segment net premiums written during the second quarter and first six months of 2022, respectively.

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The Agency Business

	Growth Over Prior Year
	Quarter				Year-to-date
	2022		2021		2022		2021
Applications - Auto
New	(20)	%	9	%	(24)	%	7	%
Renewal	(2)		6		(1)		9
Written premium per policy - Auto	12		(1)		10		(1)
Policy life expectancy - Auto
Trailing 3 months	(34)		NM
Trailing 12 months	(13)		3

NM = Not meaningful

The Agency business includes business written by more than 40,000 independent insurance agencies that represent Progressive, as well as brokerages in New York and California. During the second quarter 2022, only four states generated new Agency auto application growth, including only one of our top 10 largest Agency states. During the second quarter, each of our consumer segments experienced a reduction in new applications and policies in force compared to the same period last year.

During the second quarter and first six months of 2022, we experienced an increase in Agency auto quote volume of 9% and 7%, respectively, with a rate of conversion (i.e., converting a quote to a sale) decrease of 26% and 29%, compared to the same periods last year. For the second quarter and year-to-date periods, each consumer segment, other than Sams, saw increases in quote volume, compared to last year. The rate of conversion was down significantly in the second quarter and first six months of 2022, compared to the same periods last year, reflecting rate increases and the impact from tightening underwriting criteria. Written premium per policy for new and renewal Agency auto business increased 6% and 14%, respectively, compared to the second quarter 2021. The decreases in policy life expectancy were expected given the rate actions taken over the last year, and policy life expectancy may continue to be negatively impacted by our current rate actions.

The Direct Business

	Growth Over Prior Year
	Quarter				Year-to-date
	2022		2021		2022		2021
Applications - Auto
New	(11)	%	10	%	(19)	%	13	%
Renewal	4		12		6		15
Written premium per policy - Auto	10		(4)		7		(4)
Policy life expectancy - Auto
Trailing 3 months	(29)		NM
Trailing 12 months	(9)		3

NM = Not meaningful

The Direct business includes business written directly by Progressive online, through mobile devices, and over the phone. During the quarter, 21 states generated new auto application growth, including three of our top 10 largest Direct states. During the second quarter 2022, total applications increased 1% due to growth in policy renewals. During the second quarter, new applications decreased across all consumer segments except Robinsons, while policies in force grew in our Wrights and Robinsons consumer segments, compared to last year.

During the second quarter and first six months of 2022, we experienced an increase in Direct auto quote volume of 5% and a decrease of 6%, respectively, while our rate of conversion decreased 14%, compared to the same periods last year for both the quarter and year-to-date periods. The decrease we experienced in our quote volume primarily reflected the decrease in advertising spending during the first half of 2022. All consumer segments saw an increase in quotes during the quarter except for Sams, with all consumer segments experiencing decreased quote volume, except Robinsons, during the first six months of 2022.

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During the second quarter 2022, written premium per policy for new and renewal Direct auto business increased 6% and 10%, respectively, compared to the same period last year, primarily driven by rate increases. Consistent with our Agency business, the Direct business decrease in policy life expectancy reflects the rate actions taken over the last year.

E. Commercial Lines

The following table shows our year-over-year changes for our Commercial Lines business, excluding our TNC, BOP, and Protective Insurance products:

	Growth Over Prior Year
	Quarter				Year-to-date
	2022		2021		2022		2021
Applications
New	(6)	%	52	%	1	%	40	%
Renewal	15		8		14		10
Written premium per policy	14		20		17		16
Policy life expectancy - Trailing 12 months	1		5

Our Commercial Lines business operates in five traditional business markets, which include business auto, for-hire transportation, contractor, for-hire specialty, and tow markets, primarily written through the agency channel. We also write TNC business and BOP insurance. In the second quarter 2021, we acquired Protective Insurance, which expanded our portfolio of offerings to larger fleet and workers’ compensation insurance for trucking, along with trucking industry independent contractors, and affinity programs; these products are excluded from the table above.

During the second quarter 2022, the decrease in Commercial Lines new application growth primarily reflected a slow down from the significant amount of growth experienced in 2021, primarily in our for-hire transportation business market. During the second quarter 2022, we experienced a 2% decline in quote volume and a 4% decline in the rate of conversion, compared to the same period last year, primarily driven by the for-hire transportation market. During the first six months of 2022, quote volume increased 4%, while conversion decreased 3%, compared to the same period last year.

During the second quarter, written premium per policy for new commercial auto business increased 8%, while renewal business increased 20%, compared to the same period last year. The increases in written premiums were primarily due to rate increases. Our policy life expectancy increased primarily due to product model enhancements, compared to 2021.

F. Property

The following table shows our year-over-year changes for our Property business:

	Growth Over Prior Year
	Quarter				Year-to-date
	2022		2021		2022		2021
Applications
New	(5)	%	29	%	(6)	%	28	%
Renewal	8		8		9		10
Written premium per policy	4		0		4		0
Policy life expectancy - Trailing 12 months	(8)		(6)

Our Property business writes residential property insurance for homeowners, other property owners, and renters, in the agency and direct channels. During the second quarter and first six months of 2022, our Property business experienced a decrease in new applications, primarily due to the rate and other actions taken to address the profitability concerns.

During 2022, we continued to make underwriting changes to reduce our concentration risks by focusing our growth efforts in states with traditionally less catastrophe exposure and limit growth in the coastal and hail prone states. During 2021, we announced plans to non-renew about 60,000 policies in Florida, starting during the second quarter 2022. During the second quarter 2022, new legislation was introduced prohibiting the non-renewal of certain policies. In response, we changed our process to provide impacted policyholders the opportunity to have their policy renewed if meeting certain criteria. We expect to non-renew significantly less of the policies previously intended for non-renewal.

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The targeted rate increases taken during the last 12 months, are beginning to be earned into the book of business; however, we realize that our current pricing actions and underwriting activities to limit growth in the coastal and hail prone states and to increase our exposure in states with traditionally less catastrophe exposure will require more time than originally anticipated. This information, combined with the continued extent of the weather-related losses, prompted us to reevaluate the portion of goodwill assigned to our Property business for impairment, resulting in a non-cash goodwill impairment charge of $224.8 million during the second quarter 2022, which represented the entire amount of goodwill assigned to the ARX reporting unit.

In addition to rate increases, as part of the underwriting changes discussed above, during the second quarter 2022 our written premium per policy increased, compared to the same period last year, primarily due to a shift in the mix of business toward providing coverage to higher valued properties. The written premium per policy impact from rate increases and underwriting changes were partially offset by a shift in the mix of business to a larger share of renters policies, which have lower written premiums per policy. Our policy life expectancy decreased from the same period last year, primarily due to the targeted rate increases in states where we were not achieving our profitability targets. We intend to continue to make targeted rate increases in states where we believe it is necessary to achieve our profitability targets.

G. Income Taxes

A deferred tax asset or liability is a tax benefit or expense that is expected to be realized in a future period. At June 30, 2022, we reported a net federal deferred tax asset, compared to net federal deferred tax liabilities at June 30, 2021 and December 31, 2021. The change to a deferred asset from a deferred liability was primarily due to unrealized losses on securities in the fixed-income and equity portfolios. At June 30, 2022 and 2021, we had net current income taxes payable of $114.0 million and $37.2 million, respectively, which were reported as part of accounts payable, accrued expenses, and other liabilities in our consolidated balance sheets. At December 31, 2021, we reported recoverable income taxes of $19.2 million, which was reflected as part of other assets. The taxes payable/recoverable vary from period to period based on the amount of estimated taxes paid.

The effective tax rate for the three and six months ended June 30, 2022, was 14.6% and 6.8%, respectively, compared to 20.9% and 20.8% for the same periods last year. Excluding the effect of the goodwill impairment, which was a one-time charge, the effective tax rate for the three and six months ended June 30, 2022, were 22.6% and 79.9%, respectively. The higher effective rates for the current quarter and year, excluding the goodwill impairment charge, are in part due to our permanent tax differences having a greater impact on the effective rate given our pretax loss, compared to pretax income in the same periods last year.

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IV. RESULTS OF OPERATIONS – INVESTMENTS

A. Investment Results

Our management philosophy governing the portfolio is to evaluate investment results on a total return basis. The fully taxable equivalent (FTE) total return includes recurring investment income, adjusted to a fully taxable amount for certain securities that receive preferential tax treatment (e.g., municipal securities), and total net realized, and changes in total net unrealized, gains (losses) on securities.

The following table summarizes investment results for the periods ended June 30:

	Three Months				Six Months
	2022		2021		2022		2021
Pretax recurring investment book yield (annualized)	2.3	%	1.9	%	2.1	%	2.0	%
FTE total return:
Fixed-income securities	(2.4)		1.1		(5.9)		0.2
Common stocks	(16.3)		7.3		(20.4)		20.7
Total portfolio	(3.6)		1.7		(7.2)		1.9

The increase in the book yield, compared to last year, for both periods, reflected investing new cash from operations at higher interest rates and an increase in interest rates on our floating rate securities. The decrease in the fixed-income total return, compared to last year, reflected the impact of rising interest rates during the last twelve months, as well as widening credit spreads.

A further break-down of our FTE total returns for our fixed-income portfolio for the periods ended June 30, follows: 

	Three Months				Six Months
	2022		2021		2022		2021
Fixed-income securities:
U.S. Treasury Notes	(1.7)	%	0.4	%	(5.8)	%	(0.7)	%
Municipal bonds	(1.9)		1.4		(6.7)		0.4
Corporate bonds	(3.1)		1.3		(6.7)		(0.3)
Residential mortgage-backed securities	(0.6)		0.5		(1.5)		0.9
Commercial mortgage-backed securities	(3.6)		1.8		(7.7)		1.0
Other asset-backed securities	(1.2)		0.5		(2.7)		0.7
Preferred stocks	(8.1)		6.2		(10.9)		6.1
Short-term investments	0.1		0		0.2		0.1

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B. Portfolio Allocation

The composition of the investment portfolio was: 

($ in millions)	Fair Value		% of Total Portfolio		Duration (years)	Rating1
June 30, 2022
U.S. government obligations	$	18,719.2	36.0	%	3.7	AAA
State and local government obligations	2,135.4		4.1		3.7	AA+
Foreign government obligations	16.4		0.1		4.0	AAA
Corporate debt securities	10,167.8		19.6		3.0	BBB
Residential mortgage-backed securities	799.3		1.5		0.4	A
Commercial mortgage-backed securities	6,094.6		11.7		2.7	A+
Other asset-backed securities	5,036.0		9.7		1.1	AA
Preferred stocks	1,564.3		3.0		3.0	BBB-
Short-term investments	4,611.8		8.9		<0.1	AA
Total fixed-income securities	49,144.8		94.6		2.8	AA-
Common equities	2,784.7		5.4		na	na
Total portfolio2	$	51,929.5	100.0	%	2.8	AA-
June 30, 2021
U.S. government obligations	$	19,437.7	38.1	%	3.4	AAA
State and local government obligations	2,440.5		4.8		3.8	AA
Foreign government obligations	12.7		0.1		1.6	AA+
Corporate debt securities	10,678.2		20.9		3.3	BBB
Residential mortgage-backed securities	671.3		1.3		1.2	AA-
Commercial mortgage-backed securities	5,708.1		11.2		3.6	A+
Other asset-backed securities	3,899.0		7.7		1.3	AA
Preferred stocks	1,793.3		3.6		3.6	BBB-
Short-term investments	1,710.6		3.3		0.1	A+
Total fixed-income securities	46,351.4		91.0		3.1	AA-
Common equities	4,591.4		9.0		na	na
Total portfolio2	$	50,942.8	100.0	%	3.1	AA-
December 31, 2021
U.S. government obligations	$	18,488.2	35.9	%	3.6	AAA
State and local government obligations	2,185.3		4.2		3.6	AA+
Foreign government obligations	17.9		0.1		4.5	AAA
Corporate debt securities	10,692.1		20.7		2.9	BBB
Residential mortgage-backed securities	790.0		1.5		0.4	A-
Commercial mortgage-backed securities	6,535.6		12.7		3.2	A+
Other asset-backed securities	4,982.3		9.7		1.2	AA
Preferred stocks	1,821.6		3.6		3.6	BBB-
Short-term investments	942.6		1.8		0.2	AA
Total fixed-income securities	46,455.6		90.2		3.0	AA-
Common equities	5,058.5		9.8		na	na
Total portfolio2	$	51,514.1	100.0	%	3.0	AA-
na = not applicable

1 Represents ratings at period end. Credit quality ratings are assigned by nationally recognized statistical rating organizations. To calculate the weighted average credit quality ratings, we weight individual securities based on fair value and assign a numeric score of 0-5, with non-investment-grade and non-rated securities assigned a score of 0-1. To the extent the weighted average of the ratings falls between AAA and AA+, we assign an internal rating of AAA-.

2 Includes $0, $412.1 million, and $143.4 million of net unsettled security purchase transactions at June 30, 2022 and 2021, and December 31, 2021, respectively, with the offsetting payable included in other liabilities.

The total fair value of the portfolio at June 30, 2022 and 2021, and December 31, 2021, included $4.9 billion, $3.3 billion, and $4.2 billion, respectively, of securities held in a consolidated, non-insurance subsidiary of the holding company, net of unsettled security transactions.

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Our asset allocation strategy is to maintain 0%-25% of our portfolio in Group I securities, with the balance (75%-100%) of our portfolio in Group II securities.

We define Group I securities to include:

•common equities,

•nonredeemable preferred stocks,

•redeemable preferred stocks, except for 50% of investment-grade redeemable preferred stocks with cumulative dividends, which are included in Group II, and

•all other non-investment-grade fixed-maturity securities.

Group II securities include:

•short-term securities, and

•all other fixed-maturity securities, including 50% of the investment-grade redeemable preferred stocks with cumulative dividends.

We believe this asset allocation strategy allows us to appropriately assess the risks associated with these securities for capital purposes and is in line with the treatment by our regulators.

The following table shows the composition of our Group I and Group II securities: 

	June 30, 2022				June 30, 2021				December 31, 2021
($ in millions)	Fair Value		% of Total Portfolio		Fair Value		% of Total Portfolio		Fair Value		% of Total Portfolio
Group I securities:
Non-investment-grade fixed maturities	$	1,648.7	3.2	%	$	1,834.2	3.6	%	$	2,032.4	3.9	%
Redeemable preferred stocks1	101.9		0.2		91.7		0.2		90.9		0.2
Nonredeemable preferred stocks	1,360.5		2.6		1,609.8		3.2		1,639.9		3.2
Common equities	2,784.7		5.4		4,591.4		9.0		5,058.5		9.8
Total Group I securities	5,895.8		11.4		8,127.1		16.0		8,821.7		17.1
Group II securities:
Other fixed maturities	41,421.9		79.7		41,105.1		80.7		41,749.8		81.1
Short-term investments	4,611.8		8.9		1,710.6		3.3		942.6		1.8
Total Group II securities	46,033.7		88.6		42,815.7		84.0		42,692.4		82.9
Total portfolio	$	51,929.5	100.0	%	$	50,942.8	100.0	%	$	51,514.1	100.0	%

1 We did not hold any non-investment-grade redeemable preferred stocks at June 30, 2022 and 2021, or December 31, 2021.

To determine the allocation between Group I and Group II, we use the credit ratings from models provided by the National Association of Insurance Commissioners (NAIC) to classify our residential and commercial mortgage-backed securities, excluding interest-only securities, and the credit ratings from nationally recognized statistical rating organizations (NRSRO) to classify all other debt securities. NAIC ratings are based on a model that considers the book price of our securities when assessing the probability of future losses in assigning a credit rating. As a result, NAIC ratings can vary from credit ratings issued by NRSROs. Management believes NAIC ratings more accurately reflect our risk profile when determining the asset allocation between Group I and Group II securities.

The decrease in the percentage of Group I securities since year end was driven by sales and valuation declines in our common equity portfolio with the proceeds from the common stock sales and the $1.5 billion debt offering in March 2022, reinvested in Group II short-term investments.

Unrealized Gains and Losses

As of June 30, 2022, our fixed-maturity portfolio had pretax net unrealized losses, recorded as part of accumulated other comprehensive income, of $2,776.4 million, compared to net unrealized gains of $638.8 million and $71.4 million at June 30, 2021 and December 31, 2021, respectively. The decreases from both periods in 2021 were due to increasing interest rates across our fixed-maturity portfolio and wider credit spreads outside of our short-term and Treasury portfolios.

See Note 2 – Investments for a further break-out of our gross unrealized gains (losses).

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Holding Period Gains and Losses

The following table provides the balance and activity for both the gross and net holding period gains (losses) for the six months ended June 30, 2022:

(millions)	Gross Holding Period Gains		Gross Holding Period Losses		Net Holding Period Gains (Losses)
Balance at December 31, 2021
Hybrid fixed-maturity securities	$	13.0	$	(5.5)	$	7.5
Equity securities	3,877.2		(14.7)		3,862.5
Total holding period securities	3,890.2		(20.2)		3,870.0
Current year change in holding period securities
Hybrid fixed-maturity securities	(13.0)		(74.4)		(87.4)
Equity securities	(1,859.8)		(163.6)		(2,023.4)
Total changes in holding period securities	(1,872.8)		(238.0)		(2,110.8)
Balance at June 30, 2022
Hybrid fixed-maturity securities	0		(79.9)		(79.9)
Equity securities	2,017.4		(178.3)		1,839.1
Total holding period securities	$	2,017.4	$	(258.2)	$	1,759.2

Changes in holding period gains (losses), similar to unrealized gains (losses) in our fixed-maturity portfolio, are the result of changes in market performance as well as sales of securities based on various portfolio management decisions.

Fixed-Income Securities

The fixed-income portfolio is managed internally and includes fixed-maturity securities, short-term investments, and nonredeemable preferred stocks.

Following are the primary exposures for our fixed-income portfolio. Details of our policies related to these exposures can be found in the Management’s Discussion and Analysis included in our 2021 Annual Report to Shareholders.

•Interest rate risk - our duration of 2.8 years at June 30, 2022, fell within our acceptable range of 1.5 to 5 years. We shortened our portfolio duration from 3.0 years at December 31, 2021, which we believe provides some protection against further increases in interest rates. The duration distribution of our fixed-income portfolio, excluding short-term investments, represented by the interest rate sensitivity of the comparable benchmark U.S. Treasury Notes, was:

Duration Distribution	June 30, 2022		June 30, 2021		December 31, 2021
1 year	18.4	%	21.9	%	22.0	%
2 years	17.9		18.5		18.8
3 years	23.6		24.4		23.5
5 years	20.8		17.1		17.6
7 years	14.3		12.2		13.1
10 years	5.0		5.9		5.0
Total fixed-income portfolio	100.0	%	100.0	%	100.0	%

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•Credit risk - our credit quality rating of AA- was above our minimum threshold during the second quarter 2022. The credit quality distribution of the fixed-income portfolio was:

Rating	June 30, 2022		June 30, 2021		December 31, 2021
AAA	57.7	%	55.8	%	54.7	%
AA	8.5		7.5		8.7
A	8.4		9.3		8.6
BBB	21.0		22.1		21.7
Non-investment grade/non-rated1
BB	3.5		4.3		4.8
B	0.6		0.5		1.1
CCC and lower	0.1		0.1		0.1
Non-rated	0.2		0.4		0.3
Total fixed-income portfolio	100.0	%	100.0	%	100.0	%

1 The ratings in the table above are assigned by NRSROs.

•Concentration risk - we did not have any investments in a single issuer, either overall or in the context of individual asset classes and sectors, that exceeded our thresholds during the second quarter 2022.

•Prepayment and extension risk - we did not experience significant adverse prepayment or extension of principal relative to our cash flow expectations in the portfolio during the second quarter 2022.

•Liquidity risk - our overall portfolio remains very liquid and we believe that it is sufficient to meet expected near-term liquidity requirements.

◦The short-to-intermediate duration of our portfolio provides a source of liquidity, as we expect approximately $2.6 billion, or 9.9%, of principal repayment from our fixed-income portfolio, excluding U.S. Treasury Notes and short-term investments, during 2022. Cash from interest and dividend payments and our short-term portfolio provide additional sources of recurring liquidity.

◦The duration of our U.S. government obligations, which are included in the fixed-income portfolio, was comprised of the following at June 30, 2022:

($ in millions)	Fair Value		Duration (years)
U.S. Treasury Notes
Less than one year	$	219.5	0.5
One to two years	4,094.7		1.6
Two to three years	4,102.8		2.5
Three to five years	5,235.1		4.0
Five to seven years	3,946.2		5.8
Seven to ten years	1,120.9		8.3
Total U.S. Treasury Notes	$	18,719.2	3.7

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ASSET-BACKED SECURITIES

Included in the fixed-income portfolio are asset-backed securities, which were comprised of the following at the balance sheet dates listed: 

($ in millions)	Fair Value		Net Unrealized Gains (Losses)		% of Asset- Backed Securities		Duration (years)	Rating (at period end)1
June 30, 2022
Residential mortgage-backed securities	$	799.3	$	(10.2)	6.7	%	0.4	A
Commercial mortgage-backed securities	6,094.6		(644.8)		51.1		2.7	A+
Other asset-backed securities	5,036.0		(201.6)		42.2		1.1	AA
Total asset-backed securities	$	11,929.9	$	(856.6)	100.0	%	1.9	AA-
June 30, 2021
Residential mortgage-backed securities	$	671.3	$	3.5	6.5	%	1.2	AA-
Commercial mortgage-backed securities	5,708.1		79.9		55.6		3.6	A+
Other asset-backed securities	3,899.0		33.1		37.9		1.3	AA
Total asset-backed securities	$	10,278.4	$	116.5	100.0	%	2.6	AA-
December 31, 2021
Residential mortgage-backed securities	$	790.0	$	1.7	6.4	%	0.4	A-
Commercial mortgage-backed securities	6,535.6		(25.4)		53.1		3.2	A+
Other asset-backed securities	4,982.3		0.9		40.5		1.2	AA
Total asset-backed securities	$	12,307.9	$	(22.8)	100.0	%	2.2	AA-

1 The credit quality ratings in the table above are assigned by NRSROs.

Residential Mortgage-Backed Securities (RMBS) The following table details the credit quality rating and fair value of our RMBS, along with the loan classification and a comparison of the fair value at June 30, 2022, to our original investment value (adjusted for returns of principal, amortization, and write-downs):

Residential Mortgage-Backed Securities (at June 30, 2022)
($ in millions) Rating1	Non-Agency			Government/GSE2			Total			% of Total
AAA	$	138.4		$	1.3		$	139.7		17.5	%
AA	34.6			0.4			35.0			4.4
A	400.1			0			400.1			50.0
BBB	213.0			0			213.0			26.6
Non-investment grade/non-rated:
BB	0.6			0			0.6			0.1
B	0			0			0			0
CCC and lower	3.2			0			3.2			0.4
Non-rated	7.7			0			7.7			1.0
Total fair value	$	797.6		$	1.7		$	799.3		100.0	%
Increase (decrease) in value	(3.3)		%	0.7		%	(3.3)		%

1 The credit quality ratings are assigned by NRSROs; when we assigned the NAIC ratings for our RMBS, 92.6% of our non-investment-grade securities were rated investment grade and reported as Group II securities, with the remainder classified as Group I.

2 The securities in this category are insured by a Government Sponsored Entity (GSE) and/or collateralized by mortgage loans insured by the Federal Housing Administration (FHA) or the U.S.Department of Veteran Affairs (VA). .

In the residential mortgage-backed sector, our portfolio consists of deals that are backed by high-credit quality borrowers or have strong structural protections through underlying loan collateralization. During the second quarter 2022, we selectively added to our portfolio and opportunistically tendered some of the securities at attractive levels.

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Commercial Mortgage-Backed Securities (CMBS) The following table details the credit quality rating and fair value of our CMBS, along with a comparison of the fair value at June 30, 2022, to our original investment value (adjusted for returns of principal, amortization, and write-downs):

Commercial Mortgage-Backed Securities (at June 30, 2022)
($ in millions) Rating1	Multi-Borrower			Single-Borrower			Total			% of Total
AAA	$	246.5		$	1,536.0		$	1,782.5		29.2	%
AA	0			1,754.5			1,754.5			28.9
A	0			1,034.8			1,034.8			17.0
BBB	0			1,026.2			1,026.2			16.8
Non-investment grade/non-rated:
BB	0			496.4			496.4			8.1
B	0.2			0			0.2			0
Total fair value	$	246.7		$	5,847.9		$	6,094.6		100.0	%
Increase (decrease) in value	(3.4)		%	(9.8)		%	(9.6)		%

1 The credit quality ratings are assigned by NRSROs; when we assigned the NAIC ratings for our CMBS, 36.9% of our non-investment-grade securities were rated investment grade and reported as Group II securities, with the remainder classified as Group I.

The CMBS portfolio experienced wider spreads and high volatility in the second quarter of 2022. New issuances in the single-asset single-borrower (SASB) market slowed significantly due to less favorable market conditions, as well as low trading volumes and liquidity in the secondary trading market. Given ongoing uncertainty about the future trajectory of the economy and its impact on real estate, we did not add to our portfolio during the quarter, and reduced certain positions that we believe will be sensitive to potential future economic weakness. Our focus continues to be on SASB with high-quality collateral in the office, self-storage, multi-family, and industrial sectors.

Other Asset-Backed Securities (OABS) The following table details the credit quality rating and fair value of our OABS, along with a comparison of the fair value at June 30, 2022, to our original investment value (adjusted for returns of principal, amortization, and write-downs):

Other Asset-Backed Securities (at June 30, 2022)
($ in millions) Rating	Automobile			Collateralized Loan Obligations			Student Loan			Whole Business Securitizations			Equipment			Other			Total			% of Total
AAA	$	1,094.7		$	1,207.8		$	48.9		$	0		$	561.8		$	200.3		$	3,113.5		61.8	%
AA	217.9			570.2			5.7			0			146.3			29.9			970.0			19.3
A	17.7			0			7.7			0			107.4			146.0			278.8			5.5
BBB	6.6			0			0			598.6			0			36.3			641.5			12.7
Non-investment grade/non-rated:
BB	0			0			0			0			0			32.2			32.2			0.7
Total fair value	$	1,336.9		$	1,778.0		$	62.3		$	598.6		$	815.5		$	444.7		$	5,036.0		100.0	%
Increase (decrease) in value	(1.6)		%	(3.3)		%	(5.0)		%	(9.8)		%	(1.9)		%	(7.6)		%	(3.9)		%

Our allocation to OABS remained fairly consistent over the last 12 months. As valuations across other asset classes were more attractive, our OABS portfolio offered less relative value.

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MUNICIPAL SECURITIES

The following table details the credit quality rating of our municipal securities at June 30, 2022, without the benefit of credit or bond insurance:

Municipal Securities (at June 30, 2022)
(millions) Rating	General Obligations		Revenue Bonds		Total
AAA	$	629.2	$	248.4	$	877.6
AA	506.0		709.8		1,215.8
A	0		41.1		41.1
BBB	0		0.7		0.7
Non-rated	0		0.2		0.2
Total	$	1,135.2	$	1,000.2	$	2,135.4

Included in revenue bonds were $498.8 million of single-family housing revenue bonds issued by state housing finance agencies, of which $352.5 million were supported by individual mortgages held by the state housing finance agencies and $146.3 million were supported by mortgage-backed securities.

Of the programs supported by mortgage-backed securities, 82% were collateralized by Ginnie Mae mortgages, which are fully guaranteed by the U.S. government; the remaining 18% were collateralized by Fannie Mae and Freddie Mac mortgages. Of the programs supported by individual mortgages held by the state housing finance agencies, the overall credit quality rating was AA+. Most of these mortgages were supported by the Federal Housing Administration, the U.S. Department of Veterans Affairs, or private mortgage insurance providers.

Credit spreads for tax-exempt municipal bonds tightened during the second quarter 2022, while spreads for taxable municipal bonds widened. Our allocation to the sector declined modestly and we were not active during the quarter.

CORPORATE DEBT SECURITIES

The following table details the credit quality rating of our corporate debt securities at June 30, 2022:

Corporate Securities (at June 30, 2022)
(millions) Rating	Consumer		Industrial		Communication		Financial Services		Technology		Basic Materials		Energy		Total
AA	$	22.5	$	0	$	0	$	223.1	$	13.6	$	0	$	43.0	$	302.2
A	325.7		271.4		203.6		1,093.2		44.8		114.7		183.5		2,236.9
BBB	2,305.8		1,314.2		123.3		1,040.5		618.0		12.8		912.0		6,326.6
Non-investment grade/non-rated:
BB	362.7		195.9		195.1		96.5		37.7		30.8		60.0		978.7
B	245.8		24.7		0		8.9		0		0		0		279.4
CCC and lower	44.0		0		0		0		0		0		0		44.0
Total fair value	$	3,306.5	$	1,806.2	$	522.0	$	2,462.2	$	714.1	$	158.3	$	1,198.5	$	10,167.8

During the second quarter of 2022, the size of our corporate debt portfolio saw a modest decrease primarily due to sales of securities with less attractive risk/reward profiles and securities that matured. The portfolio valuation also declined due to the increase in interest rates and wider credit spreads. In addition, we have agreements to purchase bank loan investments and have an associated open funding commitment of $14.0 million at June 30, 2022.

We slightly shortened the maturity profile of the corporate portfolio during the second quarter 2022. The duration of the corporate portfolio was 3.0 years at June 30, 2022, compared to 3.1 years at March 31, 2022. Overall, our corporate securities, as a percentage of the fixed-income portfolio decreased during the second quarter 2022. At June 30, 2022, our corporate securities made up approximately 21% of the fixed-income portfolio, compared to approximately 23% at March 31, 2022.

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PREFERRED STOCKS – REDEEMABLE AND NONREDEEMABLE

The table below shows the exposure break-down by sector and rating at June 30, 2022:

Preferred Stocks (at June 30, 2022)
	Financial Services
(millions) Rating	U.S. Banks		Foreign Banks		Insurance		Other Financial		Industrials		Utilities		Total
BBB	$	874.7	$	33.6	$	111.2	$	37.6	$	136.3	$	41.7	$	1,235.1
Non-investment grade/non-rated:
BB	151.4		37.7		0		0		23.8		34.4		247.3
Non-rated	0		0		43.8		21.1		17.0		0		81.9
Total fair value	$	1,026.1	$	71.3	$	155.0	$	58.7	$	177.1	$	76.1	$	1,564.3

The majority of our preferred securities have fixed-rate dividends until a call date and then, if not called, generally convert to floating-rate dividends. The interest rate duration of our preferred securities is calculated to reflect the call, floor, and floating-rate features. Although a preferred security will remain outstanding if not called, its interest rate duration will reflect the variable nature of the dividend. Our non-investment-grade preferred stocks were all with issuers that maintain investment-grade senior debt ratings.

We also face the risk that dividend payments on our preferred stock holdings could be deferred for one or more periods or skipped entirely. As of June 30, 2022, all of our preferred securities continued to pay their dividends in full and on time. Approximately 81% of our preferred stock securities pay dividends that have tax preferential characteristics, while the balance pay dividends that are fully taxable.

During the second quarter 2022, the portfolio market valuation decreased as credit spreads widened, interest rates increased, and we sold some preferred positions. We primarily sold nonredeemable preferred securities with less attractive risk/reward profiles.

Common Equities

Common equities, as reported on the balance sheets, were comprised of the following:

($ in millions)	June 30, 2022				June 30, 2021				December 31, 2021
Common stocks	$	2,766.2	99.3	%	$	4,579.8	99.7	%	$	5,041.6	99.7	%
Other risk investments	18.5		0.7		11.6		0.3		16.9		0.3
Total common equities	$	2,784.7	100.0	%	$	4,591.4	100.0	%	$	5,058.5	100.0	%

The majority of our common stock portfolio consists of individual holdings selected based on their contribution to the correlation with the Russell 1000 Index. We held 783 out of 1,020, or 77%, of the common stocks comprising the index at June 30, 2022, which made up 94% of the total market capitalization of the index. At June 30, 2022 and 2021, and December 31, 2021, the year-to-date total return, based on GAAP income, was within our targeted tracking error, which is +/- 50 basis points.

The other risk investments consist of limited partnership interests. During the second quarter 2022, we did not fund any partnership investments, and we have an open funding commitment of $7.3 million at June 30, 2022.

55

Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995: Investors are cautioned that certain statements in this report not based upon historical fact are forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. These statements often use words such as “estimate,” “expect,” “intend,” “plan,” “believe,” and other words and terms of similar meaning, or are tied to future periods, in connection with a discussion of future operating or financial performance. Forward-looking statements are based on current expectations and projections about future events, and are subject to certain risks, assumptions and uncertainties that could cause actual events and results to differ materially from those discussed herein. These risks and uncertainties include, without limitation, uncertainties related to:

•our ability to underwrite and price risks accurately and to charge adequate rates to policyholders;

•our ability to establish accurate loss reserves;

•the impact of severe weather, other catastrophe events and climate change;

•the effectiveness of our reinsurance programs and the continued availability of reinsurance and performance by reinsurers;

•the highly competitive nature of property-casualty insurance markets;

•whether we innovate effectively and respond to our competitors’ initiatives;

•whether we effectively manage complexity as we develop and deliver products and customer experiences;

•how intellectual property rights affect our competitiveness and our business operations;

•whether we adjust claims accurately;

•our ability to maintain a recognized and trusted brand;

•our ability to attract, develop and retain talent and maintain appropriate staffing levels;

•compliance with complex and changing laws and regulations;

•litigation challenging our business practices, and those of our competitors and other companies;

•the impacts of a security breach or other attack involving our computer systems or the systems of one or more of our vendors;

•the secure and uninterrupted operation of the facilities, systems, and business functions that are critical to our business;

•the success of our efforts to acquire or develop new products or enter into new areas of business and navigate related risks;

•our continued ability to send and accept electronic payments;

•the possible impairment of our goodwill or intangible assets;

•the performance of our fixed-income and equity investment portfolios;

•the impact on our investment returns and strategies from regulations and societal pressures relating to environmental, social, and other public policy matters;

•the elimination of the London Interbank Offered Rate;

•our continued ability to access our cash accounts and/or convert securities into cash on favorable terms;

•the impact if one or more parties with which we enter into significant contracts or transact business fail to perform;

•legal restrictions on our insurance subsidiaries’ ability to pay dividends to The Progressive Corporation;

•limitations on our ability to pay dividends on our common shares under the terms of our outstanding preferred shares;

•our ability to obtain capital when necessary to support our business and potential growth;

•evaluations by credit rating and other rating agencies;

•the variable nature of our common share dividend policy;

•whether our investments in certain tax-advantaged projects generate the anticipated returns;

•the impact from not managing to short-term earnings expectations in light of our goal to maximize the long-term value of the enterprise;

•the impacts of the COVID-19 pandemic and measures taken in response; and

•other matters described from time to time in our releases and publications, and in our periodic reports and other documents filed with the United States Securities and Exchange Commission, including, without limitation, the Risk Factors section of our Annual Report on Form 10-K for the year ending December 31, 2021.

In addition, investors should be aware that generally accepted accounting principles prescribe when a company may reserve for particular risks, including litigation exposures. Accordingly, results for a given reporting period could be significantly affected if and when we establish reserves for one or more contingencies. Also, our regular reserve reviews may result in adjustments of varying magnitude as additional information regarding claims activity becomes known. Reported results, therefore, may be volatile in certain accounting periods.

56

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

The duration of the financial instruments held in our portfolio that are subject to interest rate risk was 2.8 years at June 30, 2022, 3.1 years at June 30, 2021, and 3.0 years at December 31, 2021. The weighted average beta of the equity portfolio was 1.00 at June 30, 2022 and was 1.04 at both June 30, 2021 and December 31, 2021. We have not experienced a material impact when compared to the tabular presentations of our interest rate and market risk sensitive instruments in our Annual Report on Form 10-K for the year ended December 31, 2021.

Item 4. Controls and Procedures.

We, under the direction of our Chief Executive Officer and our Chief Financial Officer, have established disclosure controls and procedures that are designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934 is recorded, processed, summarized, and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. The disclosure controls and procedures are also intended to ensure that such information is accumulated and communicated to our management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosures.

Our Chief Executive Officer and our Chief Financial Officer reviewed and evaluated our disclosure controls and procedures as of the end of the period covered by this report. Based on that review and evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effectively serving the stated purposes as of the end of the period covered by this report.

There have not been any changes in our internal control over financial reporting during our most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

Item 1A. Risk Factors.

There have been no material changes in the risk factors from those discussed in Item 1A, Risk Factors included in our Annual Report on Form 10-K for the year ended December 31, 2021.

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

(c) Share Repurchases

 

ISSUER PURCHASES OF EQUITY SECURITIES
2022 Calendar Month	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
April	3,486	$	112.36	1,770,572	23,229,428
May - prior authorization	2,529	109.01		1,773,101	—
May - current authorization	—	—		—	25,000,000
June	1,169	117.42		1,169	24,998,831
Total	7,184	$	112.00

In May 2022, the Board of Directors approved an authorization for the Company to repurchase up to 25 million of its common shares. This authorization, which does not have an expiration date, terminated the 23,226,899 shares that remained under the Board’s May 2021 authorization to repurchase 25 million shares.

Share repurchases under this authorization may be accomplished through open market purchases, including trading plans entered into with one or more brokerage firms in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, through privately negotiated transactions, pursuant to our equity incentive awards, or otherwise. During the second quarter 2022, all repurchases were accomplished in conjunction with our equity incentive awards at the then-current market prices; there were no open market purchases during the quarter.

Progressive’s financial policies state that we will repurchase shares to neutralize dilution from equity-based compensation in the year of issuance and as an option to effectively use under leveraged capital.

Item 5. Other Information.

President and CEO Susan Patricia Griffith’s quarterly letter to shareholders is included as Exhibit 99 to this Quarterly Report on Form 10-Q.

Item 6. Exhibits.

See exhibit index beginning on page 60.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		THE PROGRESSIVE CORPORATION
		(Registrant)
Date:	August 2, 2022	By: /s/ John P. Sauerland
		John P. Sauerland
		Vice President and Chief Financial Officer

59

EXHIBIT INDEX
Exhibit No. Under Reg. S-K, Item 601	Form 10-Q Exhibit Number	Description of Exhibit	If Incorporated by Reference, Documents with Which Exhibit was Previously Filed with SEC
10	10.1	The Progressive Corporation 2017 Directors Equity Incentive Plan (2022 Amendment and Restatement)	Current Report on Form 8-K (filed May 16, 2022; Exhibit 10 therein)
10	10.2	Form of Restricted Stock Award Agreement under The Progressive Corporation 2017 Directors Equity Incentive Plan (for 2022)	Filed herewith
31	31.1	Rule 13a-14(a)/15d-14(a) Certification of the Principal Executive Officer, Susan Patricia Griffith	Filed herewith
31	31.2	Rule 13a-14(a)/15d-14(a) Certification of the Principal Financial Officer, John P. Sauerland	Filed herewith
32	32.1	Section 1350 Certification of the Principal Executive Officer, Susan Patricia Griffith	Furnished herewith
32	32.2	Section 1350 Certification of the Principal Financial Officer, John P. Sauerland	Furnished herewith
99	99	Letter to Shareholders from Susan Patricia Griffith, President and Chief Executive Officer (Regulation FD Disclosure)	Furnished herewith
101	101.INS	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document	Filed herewith
101	101.SCH	Inline XBRL Taxonomy Extension Schema Document	Filed herewith
101	101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document	Filed herewith
101	101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document	Filed herewith
101	101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document	Filed herewith
101	101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document	Filed herewith
104	104	Cover Page Interactive Data File (the cover page tags are embedded within the Inline XBRL document)	Filed herewith

60

EX-10.2

Exhibit 10.2

EXHIBIT B

THE PROGRESSIVE CORPORATION

2017 DIRECTORS EQUITY INCENTIVE PLAN

RESTRICTED STOCK AWARD AGREEMENT

This Agreement (“Agreement”) is made this May __, 2022, by and between <name of participant> (“Participant”) and The Progressive Corporation (the “Company”).

1. Award of Restricted Stock. The Company hereby grants to Participant an award (the “Award”) of restricted stock (the “Restricted Stock”) consisting of <number of shares> of the Company’s Common Shares, $1 Par Value (“Common Shares”), pursuant to, and subject to the terms of, The Progressive Corporation 2017 Directors Equity Incentive Plan (the “Plan”).

2. Condition to Participant’s Rights under this Agreement. This Agreement shall not become effective, and Participant shall have no rights with respect to the Award or the Restricted Stock, unless and until Participant has fully executed this Agreement and delivered it to the Company (in the Company’s discretion, such execution and delivery may be accomplished through electronic means).

3. Restrictions; Vesting. The Restricted Stock shall be subject to the restrictions and other terms and conditions set forth in the Plan, which are hereby incorporated herein by reference, and in this Agreement. Subject to the terms and conditions of the Plan and this Agreement, Participant’s rights in and to the shares of Restricted Stock shall vest on April 13, 2023.

The shares of Restricted Stock awarded under this Agreement shall vest as set forth above unless, prior to such vesting date, the Award and the applicable shares of Restricted Stock are forfeited or have become subject to accelerated vesting under the terms and conditions of the Plan or this Agreement. Until the shares of Restricted Stock vest, Participant shall not sell, transfer, pledge, assign or otherwise encumber such shares of Restricted Stock or any interest therein.

4. Manner In Which Shares Will Be Held. All shares of Restricted Stock awarded to Participant hereunder shall be issued in book-entry form and held by the Company, or its designee, in such form, and as such, no stock certificates evidencing such shares will be issued or held with respect to such Restricted Stock. Certain terms, conditions and restrictions applicable to such Restricted Stock will be noted in the records of the Company’s transfer agent and in the book-entry system. At the Company’s discretion, and subject to the provisions of this Paragraph 4, stock certificates evidencing the shares of Restricted Stock awarded under this Agreement may be issued and registered in the name of Participant. In such event, such certificates shall be delivered to and held in custody by the Company, or its designee, until the restrictions thereon shall have lapsed or any conditions to the vesting of such Award, or a portion thereof, have been satisfied, and such certificates shall bear an appropriate legend referring to the terms, conditions and restrictions applicable to such Award.

Participant hereby irrevocably authorizes the Company and the Compensation Committee of the Board of Directors (the “Committee”) to take any and all appropriate action with respect to the evidence of Participant’s Restricted Stock, including, without limitation, issuing certificates for such Restricted Stock, issuing such Restricted Stock in book-entry form, transferring any previously issued certificates into book-entry form, transferring any Restricted Stock (whether held in certificate or book-entry form) into unrestricted form at vesting, or canceling any Restricted Stock (whether held in certificate or book-entry form) as and when required by this Agreement or the Plan, or undertaking any other action which may be done lawfully by the Company or the Committee in the administration of the Plan and this

Agreement. Participant specifically acknowledges and agrees that such certificates and/or book-entry evidence of Participant’s Restricted Stock may be transferred or cancelled pursuant to this Agreement and the Plan without requiring that a Stock Power be executed and delivered by Participant or requiring any other action on the part of Participant, and Participant authorizes the Company to undertake each such action without such Stock Powers.

Participant hereby further irrevocably appoints the Secretary of the Company and any employee of the Company who may be designated by the Secretary, and each of them, Participant’s true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for Participant and in his or her name, place and stead, in any and all capacities, to execute and deliver each and every document (including, without limitation, any such Stock Powers) which may be necessary or appropriate in connection with the issuance, transfer, cancellation or other action taken in connection with the Restricted Stock awarded hereunder pursuant to this Agreement or the Plan. The rights granted by Participant under this paragraph shall automatically expire as to shares of Restricted Stock awarded hereunder upon the transfer of such shares into unrestricted form at vesting or upon the cancellation of such shares at any time, as applicable, pursuant to this Agreement and the Plan.

5. Rights of Shareholder. Except as otherwise provided in this Agreement or the Plan, Participant shall have, with respect to the shares of Restricted Stock awarded hereunder, all of the rights of a shareholder of the Company, including the right to vote the shares and the right to receive any dividends as declared by the Company’s Board of Directors.

6. Shares Non-Transferable. No shares of Restricted Stock shall be transferable by Participant other than by will or by the laws of descent and distribution. In the event any Award is transferred or assigned pursuant to a court order, such transfer or assignment shall be without liability to the Company, and the Company shall have the right to offset against such Award any expenses (including attorneys’ fees) incurred by the Company in connection with such transfer or assignment.

7. Restricted Stock Deferral Plan. If Participant is eligible, and if Participant has made the appropriate election, to defer all or a portion of the Restricted Stock awarded hereunder into The Progressive Corporation Directors Restricted Stock Deferral Plan (the “Deferral Plan”), then the Common Shares that would otherwise vest in accordance with the terms of this Agreement and are subject to such election, instead of being delivered to Participant, shall be credited to Participant’s account and distributed in accordance with the terms of the Deferral Plan and Participant’s deferral election thereunder.

8. Dividends. Participant acknowledges and agrees that the Company will pay, or cause to be paid, any cash dividends payable in respect of Restricted Stock through such method(s) of payment as the Company deems advisable, on or promptly after the date established by the Board of Directors for the payment of such cash dividend to holders of the Company’s Common Shares (the “Dividend Payment Date”), including, but not limited to: (i) payment by the Company’s transfer agent through the procedures established generally for shareholders of record; or (ii) payment by the Company to Participant directly by appropriate check, draft or automatic deposit, provided, however, that in the event a Vesting Date falls between a record date and a Dividend Payment Date for any such dividend and Participant has deferred the Award pursuant to and in accordance with the terms of the Deferral Plan, then such dividend shall not be paid to Participant but instead shall be reinvested in accordance with the Deferral Plan.

9. Termination of Service. Except as otherwise provided in the Plan or as determined by the Committee, if Participant’s service as a member of the Board of Directors terminates for any reason other than death or Disability, all Restricted Stock held by Participant which is unvested or subject to restriction at the time of such termination shall be automatically forfeited immediately after such termination. In the event Participant dies while serving on the Board of Directors, all Restricted Stock held by Participant

shall vest in full immediately after Participant’s death, and the Company shall process such vesting within thirty (30) days of receipt of notice thereof. In the event Participant resigns or is removed from the Board of Directors as a result of Participant’s Disability, all Restricted Stock held by Participant shall vest in full immediately after such resignation or removal, and the Company shall process such vesting within thirty (30) days of the date on which the Committee determines that such resignation or removal was the result of Participant’s Disability (but not later than December 31 of the year of such resignation or removal, or if later, the 15th day of the third calendar month following such resignation or removal).

10. Entire Agreement. This Agreement constitutes the entire agreement between the parties and supersedes and cancels any other agreement, representation or communication, whether oral or in writing, between the parties hereto relating to the subject matter hereof; provided, however, that the Agreement shall be at all times subject to the Plan as provided above.

11. Amendment. The Committee, in its sole discretion, may hereafter amend the terms of this Award to the fullest extent permitted by Section 13 of the Plan.

12. Definitions: Unless otherwise defined in this Agreement, each capitalized term in this Agreement shall have the meaning given to it in the Plan.

13. Acknowledgment. Participant hereby: (i) acknowledges receiving a copy of the Plan Description relating to the Plan, and represents that he or she is familiar with all of the material provisions of the Plan, as set forth in such Plan Description; (ii) accepts this Agreement and the Restricted Stock awarded pursuant hereto subject to all provisions of the Plan and this Agreement; and (iii) agrees to accept as binding, conclusive and final all decisions and interpretations of the Committee relating to the Plan, this Agreement or the Restricted Stock awarded hereunder.

Agreed to as of the day and year first written above.

	[Participant]
	THE PROGRESSIVE CORPORATION
By:
	Daniel P. Mascaro
	Vice President & Secretary

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Susan Patricia Griffith, certify that:

1.    I have reviewed this quarterly report on Form 10-Q of The Progressive Corporation;

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: August 2, 2022                 

/s/ Susan Patricia Griffith

                            Susan Patricia Griffith

                            President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, John P. Sauerland, certify that:

1.    I have reviewed this quarterly report on Form 10-Q of The Progressive Corporation;

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: August 2, 2022

/s/ John P. Sauerland

                            John P. Sauerland

                            Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

SECTION 1350 CERTIFICATION

    I, Susan Patricia Griffith, President and Chief Executive Officer of The Progressive Corporation (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1) the Quarterly Report on Form 10-Q of the Company for the period ended June 30, 2022 (the “Report”), which this certification accompanies, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2) information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Susan Patricia Griffith

Susan Patricia Griffith

President and Chief Executive Officer

August 2, 2022

EX-32.2

Exhibit 32.2

SECTION 1350 CERTIFICATION

    I, John P. Sauerland, Chief Financial Officer of The Progressive Corporation (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1) the Quarterly Report on Form 10-Q of the Company for the period ended June 30, 2022 (the “Report”), which this certification accompanies, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2) information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ John P. Sauerland

John P. Sauerland

Vice President and Chief Financial Officer

August 2, 2022

EX-99

Exhibit 99

Letter to Shareholders

Second Quarter 2022

I am pleased to report that second quarter underwriting results improved over the same period last year. Net premiums written (NPW) increased 8% and our combined ratio (CR) was 0.9 points better than the second quarter last year. Although we are not where we need to be yet, directionally we are pleased with these results. Weather will always be the wild card, but we believe we are prepared for whatever may come our way.

Personal Lines NPW grew 6% year-over-year for the second quarter with a CR of 95.1. We ended June with 17.2 million auto and 5.5 million special lines policies in force. Despite beginning to see improvement in new business applications, our Personal Lines policies in force decreased 1% since last June. This decrease regrettably ended a 20+ year achievement of policies in force growth on a quarter versus prior year quarter basis and is certainly a reflection of the challenging times we are facing.

Even though our Personal Lines profitability for the quarter was 1.1 points better than last year and better than our profit target of 96.0, we continue to feel the impact of weather and inflation. Hail and adverse weather, throughout the United States, contributed about 3 points to the quarterly CR. We also continued to see inflationary pressure in the average cost to settle a claim. With sustained inflation during the quarter, we raised personal auto rates at an average increase of 6% in 17 states that represented nearly 40% of our total trailing 12-month premium. On a countrywide basis, net rate increases were just over 2% for the quarter and 9% year to date. We are closely monitoring trends to ensure we stay true to our stated goal of growing as fast as possible at or below a 96 CR.

As for our personal auto product development, we continue to deploy our 8.7 model and it was in market in 28 states that represented almost 65% of our countrywide premium as of the end of the second quarter. This model continues to show improvement in the conversion of new business quotes to customers across many segments with multicar policies and prior insurance among the stronger performing profiles. In June, we launched our newest model 8.8 in Iowa and will be rolling it out to additional states throughout the remainder of the year as well as monitoring performance.

Commercial Lines continued to deliver strong results in the second quarter. We achieved total NPW growth of 16% at an 89.5 CR, solidly better than our full calendar year profitability targets. Total policies in force were up 12% year over year and we ended the quarter reaching a milestone of just over 1 million Commercial Lines policies in force. The core commercial auto growth remained strong in the quarter, and we have continued to grow our telematics book of business, which has a profitability advantage over policies that do not enroll. We know from experience, however, that our commercial business tends to fluctuate with the overall rate of economic activity, with cycles of growth and cycles of slowdowns. We have begun to see growth headwinds in our for-hire transportation business segment as the transportation freight market softens and overall economic activity slows. We will continue to respond appropriately during these changing times.

Product expansion efforts in Commercial Lines continue on a couple of fronts. We launched our business owners policy (BOP) product in our 37th state, moving one state ahead of our plan. We also successfully elevated Heavy Truck Roadside Assistance in four additional states during the second quarter. At quarter end, this coverage was available in eleven states, with nearly 40% of eligible preferred truck customers in those states selecting the coverage at new business.

In the quarter, our Property business NPW grew 8% at a CR of 127.5, with thunderstorms, hail, and tornadoes contributing 41 points of catastrophe losses. At the end of the second quarter, policies in force had grown 6% over the same period last year.

We continue to face challenges in our Property offering, driven by unpredictable weather and a high concentration of exposures in more volatile states. While we’re taking very deliberate actions to diversify our geographic concentration, with annual policies and state level regulatory constraints, repositioning the book takes time. Additionally, geographic diversification requires us to have more competitive product offerings that can drive profitable growth in the less volatile states that make up just over 40% of the U.S. property market. We are currently working to ensure we have a widely available, highly competitive, and profitable Property offering to meet our agents’ and our customers’ needs. Our 4.0 and 4.1 product models are in production in 41 states, that represent

1

nearly 95% of countrywide Property premium, excluding Florida. During the quarter, we continued to see improved conversion on new homes, newer roofs, and older homes with recently replaced roofs.

Our current pricing and underwriting activities, however, have not been enough to adequately offset recent weather events. We are in the process of executing a number of actions that will require more time than originally anticipated. As such, we have revised our expected underwriting profitability over the coming years, which led to the write off of about $225 million of goodwill related to our purchase of ARX Holding Corp., which represents about half of the total goodwill we had on our books. While the write off is attributable to the Property segment, the remaining goodwill was allocated to our Agency auto business with the primary intent of the acquisition to be able to penetrate the Robinsons segment (i.e., bundled auto and home) within our independent agency distribution channel and is not impaired. Our goal over the longer term is to achieve CRs in our Property business that produce a return on equity similar, or better than, our personal auto business.

Property remains a foundational building block of our Destination strategy and while recent weather volatility has delivered disappointing underwriting results in this segment, it has also brought clarity to the need to more actively manage our exposure base and accelerate investments in pricing segmentation and underwriting. Clarity of direction and purpose, as well as living our Core Values, have always energized Progressive people and I’m highly confident this retrenchment will create the rock-solid foundation that will be essential to our future success. We are proud of the progress we've made, the tactics currently underway, and we look forward to the opportunity in front of us as we map out this next phase of profitable growth and expansion for our Property business.

The second quarter total return on our investment portfolio was -3.6% as volatility in both the fixed-income and equity markets continued during the quarter. Our fixed-income portfolio returned -2.4% in the second quarter caused by both higher interest rates and wider credit spreads. Financial market conditions continued to tighten as the Federal Reserve both raised interest rates and initiated a policy of quantitative tightening. Our equity portfolio, which represented about 5% of our total portfolio at June 30, 2022, returned -16.3% in the second quarter. We continue to believe that a conservative posture is appropriate until we get more clarity about both the direction of the economy and inflation.

In honor of Progressive’s 85th anniversary, we launched two employee contests to celebrate this special milestone. First, more than 150 employees were selected to have lunch with me in small groups either in person or virtually. It’s been incredible getting to connect with our employees from all parts of the company, break bread, and get to know each other. The depth of our talent continues to amaze me. We’ve also launched an exciting companywide employee engagement program designed to make wishes come true. Through our “Big Wish” contest, employees describe—in just a few words—what their wish is and how it would make a difference in their lives. From meaningful family outings to language lessons and everything in between, we received more than 9,000 wishes. We’ll choose the top entries from each business area, surprising hundreds of winners in the latter part of the year.

I always love sharing unsolicited feedback from customers, especially when we are able to remove the stress associated with having an accident and when it highlights the amazing work of our Progressive people. This letter hits all of those sentiments.

This letter comes to you to acknowledge two associates of your company that fortunately were assigned to assist with my recent claim. Unfortunately, I was involved in an automobile accident. Fortunately, Progressive was my insurance company. Most of my 40+ years I’ve been involved in various customer service fields in the printing industry, meat industry, retail and most recently in insurance business myself. What I experienced in being taken care of by your company deserves recognition. In any type of business, I would state it’s safe to say you usually won’t get anyone to answer your call immediately (unless you are ordering take out) let alone answer your call on the first ring. But, several times, when I had to contact Sakeena Nila or Allen they answered on the first ring. If I had to leave a message, they got back to me. Both were exceptionally knowledgeable, efficient, considerate, and kind. I was especially impressed that within minutes of my accident, Allen contacted me and was ready to act, immediately contacting the place where my car was towed to start procedures to keep costs to all parties involved to a minimum. A few times during the past year I’ve had to contact both of them, and they always gave me forthright, correct answers and helpful advice. Once, when I was at the doctor’s office filling out billing paperwork, the clerk mentioned that of all the insurance companies, Progressive was the best at paying their claims in a timely fashion. There were no problems, mistakes, inaccuracies, or issues with anything Sakeena Nila or Allen handled for me. I am so appreciative of their help and support though out the whole claims process.

2

I enjoy your Progressive Insurance commercials with Flo and the gang. They are entertaining but once in a while I think you should let the public know about the caliber of your employees like Sakeena Nila and Allen. I felt protected and supported by your company and isn’t that what the insurance business is about after all?

Lastly, over the past several years, I have found that a large part of my role is not to just communicate what is happening on the business side of the company, but openly discuss actions that happen outside of our walls. What I try to do, for the people of Progressive, is unite all of us even when we disagree or especially when we disagree. Below is an excerpt from a recent communication that sums up how I believe we should all act.

This is a time when it’s so important for us to look to our Core Values. As a part of our Progressive family, I hope that you’ve experienced the inclusive culture we’ve worked so hard to nurture. I often say our people are at the center of what makes Progressive so special.Please look to our Golden Rule to treat people the way they want to be treated – even in difficult times and even when we disagree – and practice assuming positive intent and treating one another with kindness and respect.

Take care of one another,

/s/ Tricia Griffith

Tricia Griffith

President and Chief Executive Officer

3

XML

Document and Entity Information	6 Months Ended
	Jun. 30, 2022 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	001-09518
Entity Incorporation, State or Country Code	OH
Entity Tax Identification Number	34-0963169
Entity Address, Address Line One	6300 Wilson Mills Road,
Entity Address, City or Town	Mayfield Village,
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44143
City Area Code	440
Local Phone Number	461-5000
Entity Information, Former Legal or Registered Name	Not Applicable
Title of 12(b) Security	Common Shares, $1.00 Par Value
Trading Symbol	PGR
Security Exchange Name	NYSE
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	584,915,205
Entity Registrant Name	PROGRESSIVE CORP/OH/
Entity Central Index Key	0000080661
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues
Net premiums earned		$ 12,147.9	$ 10,982.3	$ 23,950.8	$ 21,402.5
Investment income		292.4	210.7	534.6	430.9
Net realized gains (losses) on securities:
Net realized gains (losses) on security sales		546.6	410.1	492.1	553.9
Net holding period gains (losses) on securities		(1,722.2)	54.2	(2,110.8)	495.7
Net impairment losses recognized in earnings		(2.1)	(2.5)	(4.3)	(2.5)
Total net realized gains (losses) on securities		(1,177.7)	461.8	(1,623.0)	1,047.1
Fees and other revenues		176.5	176.2	350.5	341.9
Service revenues		80.1	74.5	147.8	128.3
Total revenues		11,519.2	11,905.5	23,360.7	23,350.7
Expenses
Losses and loss adjustment expenses		9,421.1	8,406.4	18,279.5	15,516.9
Policy acquisition costs		933.6	928.8	1,897.0	1,803.2
Other underwriting expenses		1,431.2	1,440.5	2,937.5	2,921.6
Investment expenses		5.9	6.3	11.6	11.9
Service expenses		75.5	67.9	138.7	117.2
Interest expense		63.0	56.4	117.3	112.8
Goodwill impairment	[1]	224.8	0.0	224.8	0.0
Total expenses		12,155.1	10,906.3	23,606.4	20,483.6
Net Income (Loss)
Income (loss) before income taxes		(635.9)	999.2	(245.7)	2,867.1
Provision (benefit) for income taxes		(93.0)	209.1	(16.7)	597.0
Net income (loss)		(542.9)	790.1	(229.0)	2,270.1
Other Comprehensive Income (Loss)
Total net unrealized gains (losses) on fixed-maturity securities		(822.8)	91.1	(2,249.7)	(448.5)
Net unrealized losses on forecasted transactions		0.0	0.3	0.2	0.5
Foreign currency translation adjustment		(0.4)	(0.5)	(0.2)	(0.5)
Other comprehensive income (loss)		(823.2)	90.9	(2,249.7)	(448.5)
Comprehensive income (loss)		(1,366.1)	881.0	(2,478.7)	1,821.6
Computation of Earnings Per Common Share
Net income (loss)		(542.9)	790.1	(229.0)	2,270.1
Less: Preferred share dividends		6.7	6.7	13.4	13.4
Net income (loss) available to common shareholders		$ (549.6)	$ 783.4	$ (242.4)	$ 2,256.7
Average common shares outstanding - Basic		584.3	584.6	584.3	584.7
Net effect of dilutive stock-based compensation		2.2	2.2	2.1	2.1
Total average equivalent common shares - Diluted		586.5	586.8	586.4	586.8
Basic: Earnings per common share		$ (0.94)	$ 1.34	$ (0.41)	$ 3.86
Diluted: Earnings per common share		$ (0.94)	$ 1.34	$ (0.41)	$ 3.85

[1] See Note 12 – Goodwill and Intangible Assets for further discussion.

XML

Consolidated Balance Sheets - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Assets
Fixed maturities (amortized cost: $46,028.8, $42,378.0, and $43,794.2)		$ 43,172.5	$ 43,873.1	$ 43,031.0
Short-term investments (amortized cost: $4,611.8, $1,710.6, and $942.6)		4,611.8	942.6	1,710.6
Total available-for-sale securities		47,784.3	44,815.7	44,741.6
Nonredeemable preferred stocks (cost: $1,522.5, $1,511.2, and $1,571.8)		1,360.5	1,639.9	1,609.8
Common equities (cost: $783.6, $1,238.4, and $1,264.1)		2,784.7	5,058.5	4,591.4
Total equity securities		4,145.2	6,698.4	6,201.2
Total investments		51,929.5	51,514.1	50,942.8
Cash and cash equivalents		226.1	187.1	99.5
Restricted cash and cash equivalents		14.4	15.0	15.1
Total cash, cash equivalents, restricted cash, and restricted cash equivalents		240.5	202.1	114.6
Accrued investment income		216.7	181.7	179.3
Premiums receivable, net of allowance for credit losses of $265.8, $245.2, and $280.4		10,561.8	9,399.5	9,436.2
Reinsurance recoverables		4,961.2	4,980.5	4,709.1
Prepaid reinsurance premiums		464.3	457.6	620.0
Deferred acquisition costs		1,498.4	1,355.6	1,360.6
Property and equipment, net of accumulated depreciation of $1,512.6, $1,396.5, and $1,407.4		1,124.7	1,137.3	1,086.4
Goodwill		227.9	452.7	452.7
Intangible assets, net of accumulated amortization of $147.7, $354.6, and $383.8		97.2	117.3	146.5
Net federal deferred income taxes		955.6	0.0	0.0
Other assets		779.4	1,333.9	776.1
Total assets		73,057.2	71,132.3	69,824.3
Liabilities
Unearned premiums		17,274.8	15,615.8	15,555.9
Loss and loss adjustment expense reserves		27,812.0	26,164.1	23,895.6
Net federal deferred income taxes		0.0	152.9	219.4
Accounts payable, accrued expenses, and other liabilities		5,931.2	6,069.1	6,080.3
Debt	[1]	6,386.5	4,898.8	5,397.5
Total liabilities		57,404.5	52,900.7	51,148.7
Shareholders' Equity
Serial Preferred Shares, Series B, no par value (cumulative, liquidation preference $1,000 per share) (authorized, issued, and outstanding 0.5)		493.9	493.9	493.9
Common shares, $1.00 par value (authorized 900.0; issued 797.6, including treasury shares of 212.7, 212.4, and 213.2)		584.9	584.4	585.2
Paid-in capital		1,815.2	1,772.9	1,712.3
Retained earnings		14,967.7	15,339.7	15,401.0
Accumulated other comprehensive income (loss):
Net unrealized gains (losses) on fixed-maturity securities		(2,193.5)	56.2	498.8
Net unrealized losses on forecasted transactions		(14.7)	(14.9)	(15.1)
Foreign currency translation adjustment		(0.8)	(0.6)	(0.5)
Total accumulated other comprehensive income (loss)		(2,209.0)	40.7	483.2
Total shareholders’ equity		15,652.7	18,231.6	18,675.6
Total liabilities and shareholders’ equity		$ 73,057.2	$ 71,132.3	$ 69,824.3

[1] Consists of long-term debt. See Note 4 – Debt for further discussion.

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Fixed maturities, amortized cost	$ 46,028.8	$ 43,794.2	$ 42,378.0
Short-term investments, amortized cost	4,611.8	942.6	1,710.6
Nonredeemable preferred stocks, cost	1,522.5	1,571.8	1,511.2
Common equities, cost	783.6	1,264.1	1,238.4
Premium Receivable, Allowance for Credit Loss	265.8	280.4	245.2
Property and equipment, accumulated depreciation	1,512.6	1,407.4	1,396.5
Intangible Assets, Accumulated Amortization	$ 147.7	$ 383.8	$ 354.6
Common Shares, par value (USD per share)	$ 1.00	$ 1.00	$ 1.00
Common Shares, authorized (shares)	900,000,000.0	900,000,000.0	900,000,000.0
Common Shares, issued (shares)	797,600,000	797,600,000	797,600,000
Common Shares, treasury shares (shares)	212,700,000	213,200,000	212,400,000
Serial Preferred Stock
Preferred Stock, Shares Authorized (shares)	20,000,000.0	20,000,000.0	20,000,000.0
Series B Preferred Stock | Serial Preferred Stock
Preferred Stock, No Par Value	$ 0	$ 0	$ 0
Preferred Stock, Liquidation Preference Per Share (USD per share)	$ 1,000	$ 1,000	$ 1,000
Preferred Stock, Shares Authorized (shares)	500,000	500,000	500,000
Preferred Stock, Shares Issued (shares)	500,000	500,000	500,000
Preferred Stock, Shares Outstanding (shares)	500,000	500,000	500,000

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Consolidated Statements of Changes in Shareholders' Equity Statement - USD ($) $ in Millions	Total	Serial Preferred Stock	Preferred Shares, No Par Value	Common Shares, $1.00 Par Value	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Series B Preferred Stock Serial Preferred Stock	Voting Preference Shares
Common Stock, Dividends, Per Share, Declared	$ 0.20
Balance, Beginning of period at Dec. 31, 2020			$ 493.9	$ 585.2	$ 1,672.9	$ 13,354.9	$ 931.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 2,270.1					2,270.1
Treasury shares purchased				(1.1)	(3.0)	(91.3)
Cash dividends declared on common shares ($0.10, $0.10, $0.20, and $0.20 per share)						(116.8)
Reinvested dividends on restricted stock units					0.8	(0.8)
Net restricted equity awards issued/vested				1.1	(1.1)
Amortization of equity-based compensation					42.7
Other comprehensive income (loss)	(448.5)						(448.5)
Other, net						(15.1)
Balance, End of period at Jun. 30, 2021	$ 18,675.6		493.9	585.2	1,712.3	15,401.0	483.2
Common Stock, Dividends, Per Share, Declared	$ 0.10
Balance, Beginning of period at Mar. 31, 2021			493.9	585.2	1,685.5	14,679.6	392.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 790.1					790.1
Treasury shares purchased				(0.2)	(0.3)	(10.1)
Cash dividends declared on common shares ($0.10, $0.10, $0.20, and $0.20 per share)						(58.4)
Reinvested dividends on restricted stock units					0.4	(0.4)
Net restricted equity awards issued/vested				0.2	(0.2)
Amortization of equity-based compensation					26.9
Other comprehensive income (loss)	90.9						90.9
Other, net						0.2
Balance, End of period at Jun. 30, 2021	$ 18,675.6		493.9	585.2	1,712.3	15,401.0	483.2
Preferred Stock, No Par Value								$ 0
Common Shares, par value (USD per share)	$ 1.00
Preferred Stock, Shares Authorized (shares)		20,000,000.0						500,000	5,000,000.0
Preferred Stock, Shares Issued (shares)								500,000	0
Preferred Stock, No Par Value								$ 0
Common Shares, par value (USD per share)	1.00
Preferred Stock, Shares Authorized (shares)		20,000,000.0						500,000
Preferred Stock, Shares Issued (shares)								500,000
Common Stock, Dividends, Per Share, Declared	$ 0.20
Balance, Beginning of period at Dec. 31, 2021	$ 18,231.6		493.9	584.4	1,772.9	15,339.7	40.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(229.0)					(229.0)
Treasury shares purchased				(0.3)	(0.9)	(28.3)
Cash dividends declared on common shares ($0.10, $0.10, $0.20, and $0.20 per share)						(116.8)
Reinvested dividends on restricted stock units					0.3	(0.3)
Net restricted equity awards issued/vested				0.8	(0.8)
Amortization of equity-based compensation					43.7
Other comprehensive income (loss)	(2,249.7)						(2,249.7)
Other, net						2.4
Balance, End of period at Jun. 30, 2022	$ 15,652.7		493.9	584.9	1,815.2	14,967.7	(2,209.0)
Common Stock, Dividends, Per Share, Declared	$ 0.10
Balance, Beginning of period at Mar. 31, 2022			493.9	584.9	1,788.6	15,569.6	(1,385.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (542.9)					(542.9)
Treasury shares purchased				0.0	(0.1)	(0.7)
Cash dividends declared on common shares ($0.10, $0.10, $0.20, and $0.20 per share)						(58.4)
Reinvested dividends on restricted stock units					0.3	(0.3)
Net restricted equity awards issued/vested				0.0	0.0
Amortization of equity-based compensation					26.4
Other comprehensive income (loss)	(823.2)						(823.2)
Other, net						0.4
Balance, End of period at Jun. 30, 2022	$ 15,652.7		$ 493.9	$ 584.9	$ 1,815.2	$ 14,967.7	$ (2,209.0)
Preferred Stock, No Par Value								$ 0
Common Shares, par value (USD per share)	$ 1.00
Preferred Stock, Shares Authorized (shares)		20,000,000.0						500,000	5,000,000.0
Preferred Stock, Shares Issued (shares)								500,000	0

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Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Cash Flows From Operating Activities
Net income (loss)		$ (229.0)	$ 2,270.1
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation		149.6	129.4
Amortization of intangible assets		20.1	28.5
Net amortization of fixed-income securities		29.2	62.1
Amortization of equity-based compensation		43.7	42.7
Net realized (gains) losses on securities		1,623.0	(1,047.1)
Net (gains) losses on disposition of property and equipment		2.0	0.5
Goodwill impairment	[1]	224.8	0.0
Changes in:
Premiums receivable		(1,162.3)	(1,183.5)
Reinsurance recoverables		19.3	(237.3)
Prepaid reinsurance premiums		(6.7)	(244.6)
Deferred acquisition costs		(142.8)	(123.4)
Income taxes		(377.2)	(81.0)
Unearned premiums		1,659.0	2,051.5
Loss and loss adjustment expense reserves		1,647.9	2,481.0
Accounts payable, accrued expenses, and other liabilities		436.5	717.8
Other, net		(45.2)	71.7
Net cash provided by operating activities		3,891.9	4,938.4
Purchases:
Fixed maturities		(14,332.3)	(18,364.5)
Equity securities		(91.1)	(416.1)
Sales:
Fixed maturities		9,378.7	8,703.2
Equity securities		1,350.3	590.2
Maturities, paydowns, calls, and other:
Fixed maturities		2,409.1	3,898.2
Equity securities		39.3	67.1
Net (purchases) sales of short-term investments		(3,665.1)	3,587.0
Net unsettled security transactions		(143.4)	316.6
Acquisition of Protective Insurance Corporation, net of cash, cash equivalents, and restricted cash acquired		0.0	(313.2)
Purchases of property and equipment		(136.7)	(98.5)
Sales of property and equipment		11.6	11.5
Net cash used in investing activities		(5,179.6)	(2,018.5)
Cash Flows From Financing Activities
Dividends paid to common shareholders		(117.0)	(2,753.0)
Dividends paid to preferred shareholders		(13.4)	(13.4)
Acquisition of treasury shares for restricted stock tax liabilities		(29.5)	(30.4)
Acquisition of treasury shares acquired in open market		0.0	(65.0)
Net proceeds from debt issuances		1,486.0	0.0
Payment of acquired company debt		0.0	(20.0)
Net cash provided by (used in) financing activities		1,326.1	(2,881.8)
Increase in cash, cash equivalents, restricted cash, and restricted cash equivalents		38.4	38.1
Cash, cash equivalents, restricted cash, and restricted cash equivalents – January 1		202.1	76.5
Cash, cash equivalents, restricted cash, and restricted cash equivalents – June 30		$ 240.5	$ 114.6

[1] See Note 12 – Goodwill and Intangible Assets for further discussion.

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Basis of Presentation

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation — The accompanying consolidated financial statements include the accounts of The Progressive Corporation, our wholly owned insurance and non-insurance subsidiaries, and affiliates in which we have a controlling financial interest (Progressive).

The consolidated financial statements reflect all normal recurring adjustments that, in the opinion of management, were necessary for a fair statement of the results for the interim periods presented. The results of operations for the period ended June 30, 2022, are not necessarily indicative of the results expected for the full year. These consolidated financial statements and the notes thereto should be read in conjunction with Progressive’s audited financial statements and accompanying notes included in Exhibit 13 to our Annual Report on Form 10-K for the year ended December 31, 2021 (2021 Annual Report to Shareholders).

Insurance Premiums and Receivables

We perform analyses to evaluate our premiums receivable for expected credit losses. See the 2021 Annual Report to Shareholders for a discussion on our premiums receivable allowance for credit loss policy. The following table summarizes changes in our allowance for credit loss exposure on our premiums receivable:

	Three Months				Six Months
Periods Ended June 30,	2022		2021		2022		2021
(millions)
Allowance for credit losses, beginning of period	$	276.2	$	265.3	$	280.4	$	356.2
Allowance acquired during period1	0		3.5		0		3.5
Increase in allowance2	95.8		87.4		189.7		148.3
Write-offs3	(106.2)		(111.0)		(204.3)		(262.8)
Allowance for credit losses, end of period	$	265.8	$	245.2	$	265.8	$	245.2

1 Represents the amount of the allowance acquired in the Protective Insurance Corporation and subsidiaries (Protective Insurance) acquisition.

2 Represents the incremental increase in other underwriting expenses.

3 Represents portion of allowance that is reversed when premiums receivable are written off.

The year-over-year increase in the balance of the allowance for credit losses at June 30, 2022, compared to June 30, 2021, primarily reflects a higher amount of premiums receivable determined to be at risk of being uncollectible, driven by the growth in our premiums receivable balance. During the first six months of 2021, we experienced greater collections than anticipated, in part due to changes in consumer spending habits and government stimulus spending during the period, which resulted in a lower “increase in allowance” when compared to the six months ended June 30, 2022.

Premiums receivable balances are written off once we have exhausted our collection efforts. We recognized higher write-offs during the six months ended June 30, 2021, reflecting the premiums receivable that were reserved during 2020, when moratoriums and billing leniency efforts were put into place during the novel coronavirus, COVID-19, pandemic, which delayed the write-off of these uncollectible balances into 2021.

Property and Equipment

Other assets on the consolidated balance sheets include certain long-lived assets that are considered “held for sale.” The carrying value of these held-for-sale assets was $24.9 million at June 30, 2022, $57.5 million at June 30, 2021, and $10.8 million at December 31, 2021.

Goodwill and Intangible Assets

In preparation of the second quarter 2022 financial statements, we evaluated goodwill for impairment using a quantitative approach given changes in circumstances that indicated that the carrying value of certain portions of goodwill may not be recoverable. See Note 12 – Goodwill and Intangible Assets for further discussion.

Earnings per Common Share

For the three and six months ended June 30, 2022, earnings per common share were calculated using basic average equivalent shares since diluted earnings per share would be antidilutive given the net loss reported for both periods. Amounts are reported on a diluted basis for the second quarter and first six months of 2021.

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Investments

6 Months Ended

Jun. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Investments

Investments — The following tables present the composition of our investment portfolio by major security type. Our securities are reported in our consolidated balance sheets at fair value. The changes in fair value for our fixed-maturity securities (other than hybrid securities) are reported as a component of accumulated other comprehensive income (loss), net of deferred income taxes, in our consolidated balance sheets. The net holding period gains (losses) reported below represent the inception-to-date changes in fair value of the securities. The changes in the net holding period gains (losses) between periods for the hybrid securities and equity securities are recorded as a component of net realized gains (losses) on securities in our consolidated statements of comprehensive income.

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
June 30, 2022
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	19,832.3	$	3.7	$	(1,116.8)	$	0	$	18,719.2	36.0	%
State and local government obligations	2,281.9		0.6		(147.1)		0		2,135.4		4.1
Foreign government obligations	17.7		0		(1.3)		0		16.4		0.1
Corporate debt securities	10,869.6		1.6		(655.0)		(48.4)		10,167.8		19.6
Residential mortgage-backed securities	826.5		0.5		(10.7)		(17.0)		799.3		1.5
Commercial mortgage-backed securities	6,739.4		1.2		(646.0)		0		6,094.6		11.7
Other asset-backed securities	5,239.4		0.1		(201.7)		(1.8)		5,036.0		9.7
Redeemable preferred stocks	222.0		0		(5.5)		(12.7)		203.8		0.4
Total fixed maturities	46,028.8		7.7		(2,784.1)		(79.9)		43,172.5		83.1
Short-term investments	4,611.8		0		0		0		4,611.8		8.9
Total available-for-sale securities	50,640.6		7.7		(2,784.1)		(79.9)		47,784.3		92.0
Equity securities:
Nonredeemable preferred stocks	1,522.5		0		0		(162.0)		1,360.5		2.6
Common equities	783.6		0		0		2,001.1		2,784.7		5.4
Total equity securities	2,306.1		0		0		1,839.1		4,145.2		8.0
Total portfolio1	$	52,946.7	$	7.7	$	(2,784.1)	$	1,759.2	$	51,929.5	100.0	%

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
June 30, 2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	19,339.3	$	171.3	$	(72.9)	$	0	$	19,437.7	38.1	%
State and local government obligations	2,379.1		64.7		(3.3)		0		2,440.5		4.8
Foreign government obligations	12.7		0		0		0		12.7		0.1
Corporate debt securities	10,314.8		372.1		(9.9)		1.2		10,678.2		20.9
Residential mortgage-backed securities	666.9		4.6		(1.1)		0.9		671.3		1.3
Commercial mortgage-backed securities	5,628.2		91.4		(11.5)		0		5,708.1		11.2
Other asset-backed securities	3,865.9		34.6		(1.5)		0		3,899.0		7.7
Redeemable preferred stocks	171.1		1.7		(1.4)		12.1		183.5		0.4
Total fixed maturities	42,378.0		740.4		(101.6)		14.2		43,031.0		84.5
Short-term investments	1,710.6		0		0		0		1,710.6		3.3
Total available-for-sale securities	44,088.6		740.4		(101.6)		14.2		44,741.6		87.8
Equity securities:
Nonredeemable preferred stocks	1,511.2		0		0		98.6		1,609.8		3.2
Common equities	1,238.4		0		0		3,353.0		4,591.4		9.0
Total equity securities	2,749.6		0		0		3,451.6		6,201.2		12.2
Total portfolio1	$	46,838.2	$	740.4	$	(101.6)	$	3,465.8	$	50,942.8	100.0	%

Note: Included in the table above is a $52.5 million fair value ($25.0 million cost) reclassification from nonredeemable preferred stock to common equities to reflect the prior year conversion of a security and to conform to the current year classification. 

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
December 31, 2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	18,586.1	$	92.9	$	(190.8)	$	0	$	18,488.2	35.9	%
State and local government obligations	2,162.6		36.7		(14.0)		0		2,185.3		4.2
Foreign government obligations	17.9		0		0		0		17.9		0.1
Corporate debt securities	10,526.2		202.6		(33.4)		(3.3)		10,692.1		20.7
Residential mortgage-backed securities	787.7		2.3		(0.6)		0.6		790.0		1.5
Commercial mortgage-backed securities	6,561.0		38.9		(64.3)		0		6,535.6		12.7
Other asset-backed securities	4,981.8		13.3		(12.4)		(0.4)		4,982.3		9.7
Redeemable preferred stocks	170.9		0.7		(0.5)		10.6		181.7		0.4
Total fixed maturities	43,794.2		387.4		(316.0)		7.5		43,873.1		85.2
Short-term investments	942.6		0		0		0		942.6		1.8
Total available-for-sale securities	44,736.8		387.4		(316.0)		7.5		44,815.7		87.0
Equity securities:
Nonredeemable preferred stocks	1,571.8		0		0		68.1		1,639.9		3.2
Common equities	1,264.1		0		0		3,794.4		5,058.5		9.8
Total equity securities	2,835.9		0		0		3,862.5		6,698.4		13.0
Total portfolio1	$	47,572.7	$	387.4	$	(316.0)	$	3,870.0	$	51,514.1	100.0	%

1 Includes $0, $412.1 million, and $143.4 million of net unsettled security purchase transactions at June 30, 2022 and 2021, and December 31, 2021, respectively, with the offsetting payable included in other liabilities.

The total fair value of the portfolio at June 30, 2022 and 2021, and December 31, 2021, included $4.9 billion, $3.3 billion, and $4.2 billion, respectively, of securities held in a consolidated, non-insurance subsidiary of the holding company, net of unsettled security transactions.

At June 30, 2022, bonds and certificates of deposit in the principal amount of $468.9 million were on deposit to meet state insurance regulatory requirements. We did not hold any securities of any one issuer, excluding U.S. government obligations, with an aggregate cost or fair value exceeding 10% of total shareholders’ equity at June 30, 2022 or 2021, or December 31, 2021. At June 30, 2022, we did not hold any debt securities that were non-income producing during the preceding 12 months.

Short-Term Investments Our short-term investments may include commercial paper and other investments that are expected to mature or are redeemable within one year.

We invested in repurchase and reverse repurchase transactions during 2022 and 2021, but did not have any open positions at June 30, 2022 and 2021, or December 31, 2021. To the extent we enter into repurchase or reverse repurchase transactions, consistent with past practice, we would elect not to offset these transactions and would report them on a gross basis on our consolidated balance sheets, despite the option to elect to offset these transactions as long as they were with the same counterparty and subject to an enforceable master netting arrangement.

Hybrid Securities Certain securities in our fixed-maturity portfolio are accounted for as hybrid securities because they contain embedded derivatives that are not deemed to be clearly and closely related to the host investments. These securities are reported at fair value:

	June 30,
(millions)	2022		2021		December 31, 2021
Fixed Maturities:
Corporate debt securities	$	513.8	$	296.7	$	479.1
Residential mortgage-backed securities	604.3		163.1		536.2
Other asset-backed securities	62.3		66.9		89.2
Redeemable preferred stocks	136.3		132.2		130.8
Total hybrid securities	$	1,316.7	$	658.9	$	1,235.3

Since the embedded derivatives (e.g., change-in-control put option, debt-to-equity conversion, or any other feature unrelated to the credit quality or risk of default of the issuer that could impact the amount or timing of our expected future cash flows) do not have observable intrinsic values, we have elected to record the changes in fair value of these securities through income as a component of net realized gains or losses.

Fixed Maturities The composition of fixed maturities by maturity at June 30, 2022, was:

(millions)	Cost		Fair Value
Less than one year	$	5,294.8	$	5,210.9
One to five years	27,925.6		26,532.2
Five to ten years	12,763.0		11,389.5
Ten years or greater	45.4		39.9
Total	$	46,028.8	$	43,172.5

Asset-backed securities are classified in the maturity distribution table based upon their projected cash flows. All other securities that do not have a single maturity date are reported based upon expected average maturity. Contractual maturities may differ from expected maturities because the issuers of the securities may have the right to call or prepay obligations.

Gross Unrealized Losses The following tables show the composition of gross unrealized losses by major security type and by the length of time that individual securities have been in a continuous unrealized loss position:

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
June 30, 2022
U.S. government obligations	140	$	17,907.2	$	(1,116.8)	114	$	15,254.3	$	(874.0)	26	$	2,652.9	$	(242.8)
State and local government obligations	331	1,954.9		(147.1)		318	1,816.1		(126.1)		13	138.8		(21.0)
Foreign government obligations	1	16.4		(1.3)		1	16.4		(1.3)		0	0		0
Corporate debt securities	466	9,174.2		(655.0)		435	8,843.2		(612.0)		31	331.0		(43.0)
Residential mortgage-backed securities	39	183.7		(10.7)		32	172.1		(8.8)		7	11.6		(1.9)
Commercial mortgage-backed securities	254	6,058.4		(646.0)		234	5,624.1		(569.8)		20	434.3		(76.2)
Other asset-backed securities	289	4,915.7		(201.7)		269	4,611.8		(188.9)		20	303.9		(12.8)
Redeemable preferred stocks	5	67.5		(5.5)		4	56.7		(3.8)		1	10.8		(1.7)
Total fixed maturities	1,525	$	40,278.0	$	(2,784.1)	1,407	$	36,394.7	$	(2,384.7)	118	$	3,883.3	$	(399.4)

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
June 30, 2021
U.S. government obligations	59	$	10,629.4	$	(72.9)	55	$	10,162.4	$	(66.8)	4	$	467.0	$	(6.1)
State and local government obligations	81	436.2		(3.3)		72	400.0		(2.6)		9	36.2		(0.7)
Corporate debt securities	292	1,142.5		(9.9)		288	1,065.2		(9.5)		4	77.3		(0.4)
Residential mortgage-backed securities	77	192.2		(1.1)		64	172.4		(0.7)		13	19.8		(0.4)
Commercial mortgage-backed securities	68	1,272.0		(11.5)		61	1,006.9		(10.5)		7	265.1		(1.0)
Other asset-backed securities	119	1,073.6		(1.5)		113	1,043.7		(1.3)		6	29.9		(0.2)
Redeemable preferred stocks	1	11.1		(1.4)		0	0		0		1	11.1		(1.4)
Total fixed maturities	697	$	14,757.0	$	(101.6)	653	$	13,850.6	$	(91.4)	44	$	906.4	$	(10.2)

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
December 31, 2021
U.S. government obligations	92	$	14,745.8	$	(190.8)	85	$	13,790.8	$	(158.5)	7	$	955.0	$	(32.3)
State and local government obligations	127	954.2		(14.0)		122	927.3		(13.1)		5	26.9		(0.9)
Corporate debt securities	220	3,496.6		(33.4)		219	3,491.7		(33.3)		1	4.9		(0.1)
Residential mortgage-backed securities	20	138.6		(0.6)		14	135.4		(0.5)		6	3.2		(0.1)
Commercial mortgage-backed securities	168	4,315.4		(64.3)		165	4,295.0		(63.9)		3	20.4		(0.4)
Other asset-backed securities	178	3,204.7		(12.4)		176	3,200.6		(12.3)		2	4.1		(0.1)
Redeemable preferred stocks	1	12.0		(0.5)		0	0		0		1	12.0		(0.5)
Total fixed maturities	806	$	26,867.3	$	(316.0)	781	$	25,840.8	$	(281.6)	25	$	1,026.5	$	(34.4)

The increase in the number of securities in an unrealized loss position since both June 30, 2021 and December 31, 2021, was primarily the result of an increase in interest rates. As of June 30, 2022, we had two corporate debt securities and one residential mortgage-backed security that had their credit ratings downgraded during the quarter, with a combined fair value of $18.3 million and an unrealized loss of $2.1 million.

A review of the securities in an unrealized loss position indicated that the issuers were current with respect to their interest obligations and that there was no evidence of deterioration of the current cash flow projections that would indicate we would not receive the remaining principal at maturity.

Allowance For Credit and Uncollectible Losses We are required to measure the amount of potential credit losses for all fixed-maturity securities in an unrealized loss position. We did not record any allowances for credit losses or any write-offs for amounts deemed to be uncollectible during the first six months of 2022 or 2021, and did not have a material credit loss allowance balance as of June 30, 2022 and 2021, or December 31, 2021. We considered several factors and inputs related to the individual securities as part of our analysis. The methodology and significant inputs used to measure the amount of credit losses in our portfolio included:

•current performance indicators on the business model or underlying assets (e.g., delinquency rates, foreclosure rates, and default rates);

•credit support (via current levels of subordination);

•historical credit ratings; and

•updated cash flow expectations based upon these performance indicators.

In order to determine the amount of credit loss, if any, we initially reviewed securities in a loss position to determine whether it was likely that we would be required, or intended, to sell any of the securities prior to the recovery of their respective cost bases (which could be maturity). If we were likely to, or intended to, sell prior to a potential recovery, we would write off the unrealized loss. For those securities that we determined we were not likely to, or did not intend to, sell prior to a potential recovery, we calculated the net present value (NPV) of the cash flows expected (i.e., expected recovery value) using the current book yield for each security. The NPV was then compared to the security’s current amortized value to determine if a credit loss existed. In the event that the NPV was below the amortized value, and the amount was determined to be material individually, or in aggregate, a credit loss would be deemed to exist, and either an allowance for credit losses would be created, or if an allowance currently existed, either a recovery of the previous allowance, or an incremental loss, would be recorded to net realized gains (losses) on securities.

As of June 30, 2022 and 2021, and December 31, 2021, we believe none of the unrealized losses relate to material credit losses on any specific securities, or in the aggregate, based on our review. We continue to expect all the securities in our portfolio to pay their principal and interest obligations.

In addition, we reviewed our accrued investment income outstanding on those securities in an unrealized loss position at June 30, 2022 and 2021, and December 31, 2021, to determine if the accrued interest amounts were determined to be uncollectible. Based on our analysis, we believe the issuers have sufficient liquidity and capital reserves to meet their current interest, and future principal, obligations and, therefore, did not write off any accrued income as uncollectible at June 30, 2022 and 2021, or December 31, 2021.

Realized Gains (Losses) The components of net realized gains (losses) for the three and six months ended June 30, were:

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Gross realized gains on security sales
Available-for-sale securities:
U.S. government obligations	$	1.3	$	11.3	$	4.6	$	77.9
State and local government obligations	0		14.1		0		44.3
Corporate and other debt securities	2.0		40.1		6.5		60.8
Residential mortgage-backed securities	0.6		0.3		0.7		0.3
Commercial mortgage-backed securities	0		9.5		0		39.3
Other asset-backed securities	0		0		0.1		0.7
Redeemable preferred stocks	0		1.5		0		1.5
Total available-for-sale securities	3.9		76.8		11.9		224.8
Equity securities:
Nonredeemable preferred stocks	0.2		6.4		17.5		23.7
Common equities	830.6		345.0		831.1		346.1
Total equity securities	830.8		351.4		848.6		369.8
Subtotal gross realized gains on security sales	834.7		428.2		860.5		594.6
Gross realized losses on security sales
Available-for-sale securities:
U.S. government obligations	(164.3)		(6.9)		(233.5)		(26.5)
State and local government obligations	0		(2.8)		(1.0)		(3.0)
Corporate and other debt securities	(30.1)		(3.3)		(37.8)		(5.4)
Commercial mortgage-backed securities	(13.8)		(0.5)		(13.8)		(1.1)
Other asset-backed securities	(2.0)		(0.3)		(2.1)		(0.4)
Short-term investments	(0.3)		0		(0.3)		0
Total available-for-sale securities	(210.5)		(13.8)		(288.5)		(36.4)
Equity securities:
Nonredeemable preferred stocks	(0.2)		(0.4)		(1.9)		(0.4)
Common equities	(77.4)		(3.9)		(78.0)		(3.9)
Total equity securities	(77.6)		(4.3)		(79.9)		(4.3)
Subtotal gross realized losses on security sales	(288.1)		(18.1)		(368.4)		(40.7)
Net realized gains (losses) on security sales
Available-for-sale securities:
U.S. government obligations	(163.0)		4.4		(228.9)		51.4
State and local government obligations	0		11.3		(1.0)		41.3
Corporate and other debt securities	(28.1)		36.8		(31.3)		55.4
Residential mortgage-backed securities	0.6		0.3		0.7		0.3
Commercial mortgage-backed securities	(13.8)		9.0		(13.8)		38.2
Other asset-backed securities	(2.0)		(0.3)		(2.0)		0.3
Redeemable preferred stocks	0		1.5		0		1.5
Short-term investments	(0.3)		0		(0.3)		0
Total available-for-sale securities	(206.6)		63.0		(276.6)		188.4
Equity securities:
Nonredeemable preferred stocks	0		6.0		15.6		23.3
Common equities	753.2		341.1		753.1		342.2
Total equity securities	753.2		347.1		768.7		365.5
Subtotal net realized gains (losses) on security sales	546.6		410.1		492.1		553.9
Net holding period gains (losses)
Hybrid securities	(48.4)		9.9		(87.4)		(1.0)
Equity securities	(1,673.8)		44.3		(2,023.4)		496.7
Subtotal net holding period gains (losses)	(1,722.2)		54.2		(2,110.8)		495.7
Other asset impairment	(2.1)		(2.5)		(4.3)		(2.5)
Total net realized gains (losses) on securities	$	(1,177.7)	$	461.8	$	(1,623.0)	$	1,047.1

Realized gains (losses) on securities sold are computed using the first-in-first-out method. During the second quarter 2022, we sold securities in our common equity portfolio, which were in a realized gain position, as part of our plan to incrementally reduce risk in the portfolio in response to the likelihood of a more difficult economic environment over the near term. The majority of the sales in the fixed-maturity portfolio were from U.S. Treasuries, which were sold to shorten duration. The loss from the fixed-maturity sales reflects the continued rise in interest rates during the second quarter 2022, which resulted in valuation declines for most of our available-for-sale securities. The other asset impairment loss was recorded as a result of our investment in a federal new markets tax credit fund, which was entered into during the second quarter 2021, and reported in other assets in the consolidated balance sheets.

The following table reflects our holding period realized gains (losses) recognized on equity securities held at the respective quarter ends:

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Total net gains (losses) recognized during the period on equity securities	$	(920.6)	$	391.4	$	(1,254.7)	$	862.2
Less: Net gains (losses) recognized on equity securities sold during the period	753.2		347.1		768.7		365.5
Net holding period gains (losses) recognized during the period on equity securities held at period end	$	(1,673.8)	$	44.3	$	(2,023.4)	$	496.7

Net Investment Income The components of net investment income for the three and six months ended June 30, were: 

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	67.9	$	37.4	$	119.3	$	67.8
State and local government obligations	10.3		11.5		19.5		24.9
Foreign government obligations	0		0		0.1		0
Corporate debt securities	75.5		73.2		143.6		158.4
Residential mortgage-backed securities	9.6		2.8		14.4		6.2
Commercial mortgage-backed securities	46.5		34.4		89.8		70.2
Other asset-backed securities	39.3		15.1		64.4		31.0
Redeemable preferred stocks	3.0		2.3		5.5		4.8
Total fixed maturities	252.1		176.7		456.6		363.3
Short-term investments	4.4		0.7		4.8		2.2
Total available-for-sale securities	256.5		177.4		461.4		365.5
Equity securities:
Nonredeemable preferred stocks	18.1		17.3		36.3		35.2
Common equities	17.8		16.0		36.9		30.2
Total equity securities	35.9		33.3		73.2		65.4
Investment income	292.4		210.7		534.6		430.9
Investment expenses	(5.9)		(6.3)		(11.6)		(11.9)
Net investment income	$	286.5	$	204.4	$	523.0	$	419.0

On a year-over-year basis, investment income (interest and dividends) increased 39% and 24% for the first three and six months of 2022, respectively, compared to the same periods last year, due to an increase in average assets resulting from premium growth, underwriting profitability, and investing the $1.5 billion of proceeds from debt issued in March 2022. The recurring investment book yield increased 19% for the second quarter 2022 and 7% for the first six months of 2022, compared to the same periods in 2021, reflecting investing new cash and cash from maturities in higher interest rate securities given the rising interest rate environment.

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Fair Value

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value

Fair Value — We have categorized our financial instruments, based on the degree of subjectivity inherent in the method by which they are valued, into a fair value hierarchy of three levels, as follows:

•Level 1: Inputs are unadjusted, quoted prices in active markets for identical instruments at the measurement date (e.g., U.S. government obligations, which are continually priced on a daily basis, active exchange-traded equity securities, and certain short-term securities).

•Level 2: Inputs (other than quoted prices included within Level 1) that are observable for the instrument either directly or indirectly (e.g., certain corporate and municipal bonds and certain preferred stocks). This includes: (i) quoted prices for similar instruments in active markets, (ii) quoted prices for identical or similar instruments in markets that are not active, (iii) inputs other than quoted prices that are observable for the instruments, and (iv) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

•Level 3: Inputs that are unobservable. Unobservable inputs reflect our subjective evaluation about the assumptions market participants would use in pricing the financial instrument (e.g., certain structured securities and privately held investments).

Determining the fair value of the investment portfolio is the responsibility of management. As part of the responsibility, we evaluate whether a market is distressed or inactive in determining the fair value for our portfolio. We review certain market level inputs to evaluate whether sufficient activity, volume, and new issuances exist to create an active market. Based on this evaluation, we concluded that there was sufficient activity related to the sectors and securities for which we obtained valuations.

The composition of the investment portfolio by major security type and our outstanding debt was:

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2022
Fixed maturities:
U.S. government obligations	$	18,719.2	$	0	$	0	$	18,719.2	$	19,832.3
State and local government obligations	0		2,135.4		0		2,135.4		2,281.9
Foreign government obligations	0		16.4		0		16.4		17.7
Corporate debt securities	0		10,167.8		0		10,167.8		10,869.6
Subtotal	18,719.2		12,319.6		0		31,038.8		33,001.5
Asset-backed securities:
Residential mortgage-backed	0		799.3		0		799.3		826.5
Commercial mortgage-backed	0		6,094.6		0		6,094.6		6,739.4
Other asset-backed	0		5,036.0		0		5,036.0		5,239.4
Subtotal asset-backed securities	0		11,929.9		0		11,929.9		12,805.3
Redeemable preferred stocks:
Financials	0		58.7		0		58.7		62.5
Utilities	0		8.8		0		8.8		10.5
Industrials	9.9		126.4		0		136.3		149.0
Subtotal redeemable preferred stocks	9.9		193.9		0		203.8		222.0
Total fixed maturities	18,729.1		24,443.4		0		43,172.5		46,028.8
Short-term investments	4,549.8		62.0		0		4,611.8		4,611.8
Total available-for-sale securities	23,278.9		24,505.4		0		47,784.3		50,640.6
Equity securities:
Nonredeemable preferred stocks:
Financials	87.8		1,099.7		64.9		1,252.4		1,402.5
Utilities	0		67.3		0		67.3		79.9
Industrials	0		23.8		17.0		40.8		40.1
Subtotal nonredeemable preferred stocks	87.8		1,190.8		81.9		1,360.5		1,522.5
Common equities:
Common stocks	2,716.8		49.4		0		2,766.2		765.1
Other risk investments	0		0		18.5		18.5		18.5
Subtotal common equities	2,716.8		49.4		18.5		2,784.7		783.6
Total equity securities	2,804.6		1,240.2		100.4		4,145.2		2,306.1
Total portfolio	$	26,083.5	$	25,745.6	$	100.4	$	51,929.5	$	52,946.7
Debt	$	0	$	6,028.9	$	0	$	6,028.9	$	6,386.5

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2021
Fixed maturities:
U.S. government obligations	$	19,437.7	$	0	$	0	$	19,437.7	$	19,339.3
State and local government obligations	0		2,440.5		0		2,440.5		2,379.1
Foreign government obligations	0		12.7		0		12.7		12.7
Corporate debt securities	0		10,678.2		0		10,678.2		10,314.8
Subtotal	19,437.7		13,131.4		0		32,569.1		32,045.9
Asset-backed securities:
Residential mortgage-backed	0		671.3		0		671.3		666.9
Commercial mortgage-backed	0		5,708.1		0		5,708.1		5,628.2
Other asset-backed	0		3,899.0		0		3,899.0		3,865.9
Subtotal asset-backed securities	0		10,278.4		0		10,278.4		10,161.0
Redeemable preferred stocks:
Financials	0		51.3		0		51.3		50.9
Utilities	0		0		0		0		0
Industrials	10.8		121.4		0		132.2		120.2
Subtotal redeemable preferred stocks	10.8		172.7		0		183.5		171.1
Total fixed maturities	19,448.5		23,582.5		0		43,031.0		42,378.0
Short-term investments	1,679.8		30.8		0		1,710.6		1,710.6
Total available-for-sale securities	21,128.3		23,613.3		0		44,741.6		44,088.6
Equity securities:
Nonredeemable preferred stocks:
Financials	98.4		1,332.5		76.4		1,507.3		1,431.2
Utilities	0		42.5		0		42.5		39.9
Industrials	0		25.6		34.4		60.0		40.1
Subtotal nonredeemable preferred stocks	98.4		1,400.6		110.8		1,609.8		1,511.2
Common equities:
Common stocks	4,527.3		0		52.5		4,579.8		1,226.8
Other risk investments	0		0		11.6		11.6		11.6
Subtotal common equities	4,527.3		0		64.1		4,591.4		1,238.4
Total equity securities	4,625.7		1,400.6		174.9		6,201.2		2,749.6
Total portfolio	$	25,754.0	$	25,013.9	$	174.9	$	50,942.8	$	46,838.2
Debt	$	0	$	6,446.7	$	0	$	6,446.7	$	5,397.5

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
December 31, 2021
Fixed maturities:
U.S. government obligations	$	18,488.2	$	0	$	0	$	18,488.2	$	18,586.1
State and local government obligations	0		2,185.3		0		2,185.3		2,162.6
Foreign government obligations	0		17.9		0		17.9		17.9
Corporate debt securities	0		10,692.1		0		10,692.1		10,526.2
Subtotal	18,488.2		12,895.3		0		31,383.5		31,292.8
Asset-backed securities:
Residential mortgage-backed	0		790.0		0		790.0		787.7
Commercial mortgage-backed	0		6,535.6		0		6,535.6		6,561.0
Other asset-backed	0		4,982.3		0		4,982.3		4,981.8
Subtotal asset-backed securities	0		12,307.9		0		12,307.9		12,330.5
Redeemable preferred stocks:
Financials	0		50.9		0		50.9		50.7
Utilities	0		0		0		0		0
Industrials	10.7		120.1		0		130.8		120.2
Subtotal redeemable preferred stocks	10.7		171.0		0		181.7		170.9
Total fixed maturities	18,498.9		25,374.2		0		43,873.1		43,794.2
Short-term investments	942.4		0.2		0		942.6		942.6
Total available-for-sale securities	19,441.3		25,374.4		0		44,815.7		44,736.8
Equity securities:
Nonredeemable preferred stocks:
Financials	115.3		1,305.7		76.4		1,497.4		1,451.7
Utilities	0		82.9		0		82.9		80.0
Industrials	0		25.2		34.4		59.6		40.1
Subtotal nonredeemable preferred stocks	115.3		1,413.8		110.8		1,639.9		1,571.8
Common equities:
Common stocks	4,991.6		50.0		0		5,041.6		1,247.2
Other risk investments	0		0		16.9		16.9		16.9
Subtotal common equities	4,991.6		50.0		16.9		5,058.5		1,264.1
Total equity securities	5,106.9		1,463.8		127.7		6,698.4		2,835.9
Total portfolio	$	24,548.2	$	26,838.2	$	127.7	$	51,514.1	$	47,572.7
Debt	$	0	$	5,857.4	$	0	$	5,857.4	$	4,898.8

Our portfolio valuations, excluding short-term investments, classified as either Level 1 or Level 2 in the above tables are priced exclusively by external sources, including pricing vendors, dealers/market makers, and exchange-quoted prices.

Our short-term investments classified as Level 1 are highly liquid, actively marketed, and have a very short duration, primarily 90 days or less to redemption. These securities are held at their original cost, adjusted for any accretion of discount, since that value very closely approximates what an active market participant would be willing to pay for such securities. The remainder of our short-term investments are classified as Level 2 and are not priced externally since these securities continually trade at par value. These securities are classified as Level 2 since they are primarily longer-dated securities issued by municipalities that contain either liquidity facilities or mandatory put features within one year.

At June 30, 2022, vendor-quoted prices represented 87% of our Level 1 classifications (excluding short-term investments), compared to 81% and 79% at June 30, 2021 and December 31, 2021, respectively. The securities quoted by vendors in Level 1 primarily represent our holdings in U.S. Treasury Notes, which are frequently traded, and the quotes are considered similar to exchange-traded quotes. The balance of our Level 1 pricing comes from quotes obtained directly from trades made on active exchanges.

At both June 30, 2022 and December 31, 2021, vendor-quoted prices comprised 98% of our Level 2 classifications (excluding short-term investments and common stock), while dealer-quoted prices represented the remaining 2%, compared to 99% and 1% at June 30, 2021. In our process for selecting a source (e.g., dealer or pricing service) to provide pricing for securities in our portfolio, we reviewed documentation from the sources that detailed the pricing techniques and methodologies used by these sources and determined if their policies adequately considered market activity, either based on specific transactions for the particular security type or based on modeling of securities with similar credit quality, duration, yield, and structure that were recently transacted. Once a source is chosen, we continue to monitor any changes or modifications to their processes by reviewing their documentation on internal controls for pricing and market reviews. We review quality control measures of our sources as they become available to determine if any significant changes have occurred from period to period that might indicate issues or concerns regarding their evaluation or market coverage.

As part of our pricing procedures, we obtain quotes from more than one source to help us fully evaluate the market price of securities. However, our internal pricing policy is to use a consistent source for individual securities in order to maintain the integrity of our valuation process. Quotes obtained from the sources are not considered binding offers to transact. Under our policy, when a review of the valuation received from our selected source appears to be outside of what is considered market level activity (which is defined as trading at spreads or yields significantly different than those of comparable securities or outside the general sector level movement without a reasonable explanation), we may use an alternate source’s price. To the extent we determine that it may be prudent to substitute one source’s price for another, we will contact the initial source to obtain an understanding of the factors that may be contributing to the significant price variance.

To allow us to determine if our initial source is providing a price that is outside of a reasonable range, we review our portfolio pricing on a weekly basis. When necessary, we challenge prices from our sources when a price provided does not match our expectations based on our evaluation of market trends and activity. Initially, we perform a review of our portfolio by sector to identify securities whose prices appear outside of a reasonable range. We then perform a more detailed review of fair values for securities disclosed as Level 2. We review dealer bids and quotes for these and/or similar securities to determine the market level context for our valuations. We then evaluate inputs relevant for each class of securities disclosed in the preceding hierarchy tables.

For our structured debt securities, including commercial, residential, and other asset-backed securities, we evaluate available market-related data for these and similar securities related to collateral, delinquencies, and defaults for historical trends and reasonably estimable projections, as well as historical prepayment rates and current prepayment assumptions and cash flow estimates. We further stratify each class of our structured debt securities into more finite sectors (e.g., planned amortization class, first pay, second pay, senior, subordinated, etc.) and use duration, credit quality, and coupon to determine if the fair value is appropriate.

For our corporate debt and preferred stock (redeemable and nonredeemable) portfolios, as well as the notes issued by The Progressive Corporation (see Note 4 – Debt), we review securities by duration, coupon, and credit quality, as well as changes in interest rate and credit spread movements within that stratification. The review also includes recent trades, including: volume traded at various levels that establish a market; issuer specific fundamentals; and industry specific economic news as it comes to light.

For our municipal securities (e.g., general obligations, revenue, and housing), we stratify the portfolio to evaluate securities by type, coupon, credit quality, and duration to review price changes relative to credit spread and interest rate changes. Additionally, we look to economic data as it relates to geographic location as an indication of price-to-call or maturity predictors. For municipal housing securities, we look to changes in cash flow projections, both historical and reasonably estimable projections, to understand yield changes and their effect on valuation.

Lastly, for our short-term securities, we look at acquisition price relative to the coupon or yield. Since our short-term securities are typically 90 days or less to maturity, with the majority listed in Level 2 being 30 days or less to redemption, we believe that acquisition price is the best estimate of fair value.

We also review data assumptions as supplied by our sources to determine if that data is relevant to current market conditions. In addition, we independently review each sector for transaction volumes, new issuances, and changes in spreads, as well as the overall movement of interest rates along the yield curve to determine if sufficient activity and liquidity exists to provide a credible source for our market valuations.

During each valuation period, we create internal estimations of portfolio valuation (performance returns), based on current market-related activity (i.e., interest rate and credit spread movements and other credit-related factors) within each major sector of our portfolio. We compare our internally generated portfolio results with those generated based on quotes we receive externally and research material valuation differences. We compare our results to index returns for each major sector adjusting for duration and credit quality differences to better understand our portfolio’s results. Additionally, we review on a monthly basis our external sales transactions and compare the actual final market sales prices to previous market valuation prices. This review provides us further validation that our pricing sources are providing market level prices, since we are able to explain significant price changes (i.e., greater than 2%) as known events occur in the marketplace and affect a particular security’s price at sale.

This analysis provides us with additional comfort regarding the source’s process, the quality of its review, and its willingness to improve its analysis based on feedback from clients. We believe this effort helps ensure that we are reporting the most representative fair values for our securities.

After all the valuations are received and our review of Level 2 securities is complete, if the inputs used by vendors are determined to not contain sufficient observable market information, we will reclassify the affected securities to Level 3.

Except as described below, our Level 3 securities are priced externally; however, due to several factors (e.g., nature of the securities, level of activity, and lack of similar securities trading to obtain observable market level inputs), these valuations are more subjective in nature.

To the extent we receive prices from external sources (e.g., broker, valuation firm) for the Level 3 securities, we review those prices for reasonableness using internally developed assumptions and then compare our derived prices to the prices received from the external sources. Based on our review, all prices received from external sources remained unadjusted.

If we do not receive prices from an external source, we perform an internal fair value comparison, which includes a review and analysis of market-comparable securities, to determine if fair value changes are needed. Based on this analysis, certain private equity investments included in the Level 3 category remain valued at cost or were priced using a recent transaction as the basis for fair value. At least annually, these private equity investments are priced by an external source.

Our Level 3 other risk investments include securities accounted for under the equity method of accounting and, therefore, are not subject to fair value reporting. Since these securities represent less than 0.1% of our total portfolio, we will continue to include them in our Level 3 disclosures and report the activity from these investments as “other” changes in the summary of changes in fair value table and categorize these securities as “pricing exemption securities” in the quantitative information table.

During 2021, we reclassified a Level 3 nonredeemable preferred stock held at December 31, 2020 to a Level 3 common stock to reflect that the security had converted during 2020. The security was transferred to Level 2 at December 31, 2021. At June 30, 2022 and 2021, and December 31, 2021, we did not have any securities in our fixed-maturity portfolio listed as Level 3.

Other than goodwill, during the second quarter and first six months of 2022 and 2021, there were no material assets or liabilities measured at fair value on a nonrecurring basis. During the second quarter 2022, we determined that the fair value of the goodwill related to our ARX Holding Corp. (ARX) reporting unit was less than the carrying value and we wrote down $224.8 million of our total goodwill asset. See Note 12 – Goodwill and Intangible Assets for further discussion. Due to the relative size of the Level 3 securities’ fair values compared to the total portfolio’s fair value, any changes in pricing methodology would not have a significant change in valuation that would materially impact net or comprehensive income.

The following tables provide a summary of changes in fair value associated with Level 3 assets for the three and six months ended June 30, 2022 and 2021:

	Level 3 Fair Value
(millions)	Fair Value at March 31, 2022		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2022
Equity securities:
Nonredeemable preferred stocks:
Financials	$	61.4	$	0	$	0	$	0	$	0	$	3.5	$	0	$	64.9
Industrials	33.9		0		0		0		0		(16.9)		0		17.0
Common equities:
Other risk investments	20.1		(1.6)		0		0		0		0		0		18.5
Total Level 3 securities	$	115.4	$	(1.6)	$	0	$	0	$	0	$	(13.4)	$	0	$	100.4
	Level 3 Fair Value
(millions)	Fair Value at March 31, 2021		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2021
Equity securities:
Nonredeemable preferred stocks:
Financials	$	10.0	$	0	$	60.2	$	0	$	0	$	6.2	$	0	$	76.4
Industrials	16.6		0		5.0		(5.0)		(4.5)		22.3		0		34.4
Common equities:
Common stocks	25.0		0		0		0		0		27.5		0		52.5
Other risk investments	3.2		8.4		0		0		0		0		0		11.6
Total Level 3 securities	$	54.8	$	8.4	$	65.2	$	(5.0)	$	(4.5)	$	56.0	$	0	$	174.9
	Level 3 Fair Value
(millions)	Fair Value at Dec. 31, 2021		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2022
Equity securities:
Nonredeemable preferred stocks:
Financials	$	76.4	$	0	$	0	$	(15.0)	$	(17.2)	$	20.7	$	0	$	64.9
Industrials	34.4		(0.5)		0		0		0		(16.9)		0		17.0
Common equities:
Other risk investments	16.9		1.6		0		0		0		0		0		18.5
Total Level 3 securities	$	127.7	$	1.1	$	0	$	(15.0)	$	(17.2)	$	3.8	$	0	$	100.4

	Level 3 Fair Value
(millions)	Fair Value at Dec. 31, 2020		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2021
Equity securities:
Nonredeemable preferred stocks:
Financials	$	10.0	$	0	$	60.2	$	0	$	0	$	6.2	$	0	$	76.4
Industrials	16.7		0		5.0		(5.0)		(4.5)		22.2		0		34.4
Common equities:
Common stocks	25.0		0		0		0		0		27.5		0		52.5
Other risk investments	3.1		8.5		0		0		0		0		0		11.6
Total Level 3 securities	$	54.8	$	8.5	$	65.2	$	(5.0)	$	(4.5)	$	55.9	$	0	$	174.9

The following tables provide a summary of the quantitative information about Level 3 fair value measurements for our applicable securities at June 30, 2022 and 2021, and December 31, 2021:

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at June 30, 2022		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	81.9	Market comparables	Weighted average market capitalization price change %	(47.3)% to (2.2)%	(13.3)	%
Subtotal Level 3 securities	81.9
Pricing exemption securities	18.5
Total Level 3 securities	$	100.4

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at June 30, 2021		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	110.8	Market comparables	Weighted average market capitalization price change %	(8.0)% to 9.9%	4.2	%
Common stocks	52.5		Market comparables	Weighted average market capitalization price change %	(12.1)% to 24.5%	12.1	%
Subtotal Level 3 securities	163.3
Pricing exemption securities	11.6
Total Level 3 securities	$	174.9

Note: The table was updated to agree with the current year presentation and to reflect the purchase of a nonredeemable preferred stock security in the second quarter 2020 that was subject to an automatic conversion to common stock during third quarter 2020.

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at Dec. 31, 2021		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	110.8	Market comparables	Weighted average market capitalization price change %	(20.2)% to (2.3)%	(7.7)%
Subtotal Level 3 securities	110.8
Pricing exemption securities	16.9
Total Level 3 securities	$	127.7

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Debt

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Debt

Debt — Debt at each of the balance sheet periods consisted of:

	June 30, 2022				June 30, 2021				December 31, 2021
(millions)	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value
3.75% Senior Notes due 2021 (issued: $500.0, August 2011)	$	0	$	0	$	499.9	$	502.5	$	0	$	0
2.45% Senior Notes due 2027 (issued: $500.0, August 2016)	497.9		471.3		497.5		529.9		497.7		517.9
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)	497.2		472.6		0		0		0		0
6 5/8% Senior Notes due 2029 (issued: $300.0, March 1999)	297.3		340.6		297.0		396.1		297.2		388.2
4.00% Senior Notes due 2029 (issued: $550.0, October 2018)	546.2		543.3		545.7		631.5		545.9		621.0
3.20% Senior Notes due 2030 (issued: $500.0, March 2020)	496.7		463.0		496.3		549.0		496.5		536.3
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)	495.7		448.3		0		0		0		0
6.25% Senior Notes due 2032 (issued: $400.0, November 2002)	396.3		459.2		396.1		553.7		396.2		547.9
4.35% Senior Notes due 2044 (issued: $350.0, April 2014)	346.9		324.6		346.8		434.8		346.8		428.4
3.70% Senior Notes due 2045 (issued: $400.0, January 2015)	395.7		332.4		395.6		458.1		395.6		447.1
4.125% Senior Notes due 2047 (issued: $850.0, April 2017)	842.0		769.3		841.8		1,041.4		841.9		1,029.3
4.20% Senior Notes due 2048 (issued: $600.0, March 2018)	590.3		550.5		590.1		747.0		590.2		741.3
3.95% Senior Notes due 2050 (issued: $500.0, March 2020)	490.9		437.8		490.7		602.7		490.8		600.0
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)	493.4		416.0		0		0		0		0
Total	$	6,386.5	$	6,028.9	$	5,397.5	$	6,446.7	$	4,898.8	$	5,857.4

The Progressive Corporation issued $500 million of 2.50% Senior Notes due 2027, $500 million of 3.00% Senior Notes due 2032, and $500 million of 3.70% Senior Notes due 2052 in March 2022, in an underwritten public offering. The net proceeds from the issuances, after deducting underwriters’ discounts, commissions, and other issuance costs, were approximately $1,486.0 million in aggregate. Consistent with the other senior notes issued by Progressive, interest on these notes is payable semiannually, principal is due at maturity, and the notes are redeemable, in whole or in part, at any time, subject to a treasury “make whole” provision.

There was no short-term debt outstanding at June 30, 2022 and December 31, 2021. Short-term debt outstanding at June 30, 2021 consisted of the $500 million 3.75% Senior Notes that matured in August 2021.

The Progressive Corporation has a line of credit with PNC Bank, National Association (PNC), in the maximum principal amount of $250 million, which has the same terms as the line of credit with PNC that expired in April 2022. See the 2021 Annual Report to Shareholders for terms of this line of credit. We had no borrowings under the line of credit during the periods presented.

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Income Taxes	6 Months Ended
	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes — Deferred tax assets and liabilities are recorded based on the difference between the financial statement and tax bases of assets and liabilities at the enacted tax rates. We review our deferred tax assets regularly for recoverability. At June 30, 2022 and 2021, and December 31, 2021, we determined that we did not need a valuation allowance on our gross deferred tax assets. Although realization of the deferred tax assets is not assured, management believes that it is more likely than not the deferred tax assets will be realized based on our expectation that we will be able to fully utilize the deductions that are ultimately recognized for tax purposes.For the six months ended June 30, 2022, there have been no material changes in our reserve for uncertain tax positions.The effective tax rate for the three and six months ended June 30, 2022, was 14.6% and 6.8%, respectively, compared to 20.9% and 20.8% for the same periods last year. Excluding the effect of the goodwill impairment, which was a one-time charge, the effective tax rate for the three and six months ended June 30, 2022, were 22.6% and 79.9%, respectively. The higher effective rates for the current quarter and year, excluding the goodwill impairment charge, are in part due to our permanent tax differences having a greater impact on the effective rate given our pretax loss,

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Loss and Loss Adjustment Expense Reserves

6 Months Ended

Jun. 30, 2022

Loss and Loss Adjustment Expenses Reserves [Abstract]

Loss and Loss Adjustment Expenses Reserves

Loss and Loss Adjustment Expense Reserves — Activity in the loss and loss adjustment expense reserves is summarized as follows:

	June 30,
(millions)	2022		2021
Balance at January 1	$	26,164.1	$	20,265.8
Less reinsurance recoverables on unpaid losses	4,733.6		3,798.2
Net balance at January 1	21,430.5		16,467.6
Net loss and loss adjustment expense reserves acquired1	0		732.5
Total beginning reserves	21,430.5		17,200.1
Incurred related to:
Current year	18,134.6		15,319.9
Prior years	144.9		197.0
Total incurred	18,279.5		15,516.9
Paid related to:
Current year	9,298.3		7,849.6
Prior years	7,284.3		5,436.7
Total paid	16,582.6		13,286.3
Net balance at June 30	23,127.4		19,430.7
Plus reinsurance recoverables on unpaid losses	4,684.6		4,464.9
Balance at June 30	$	27,812.0	$	23,895.6

1 Net reserves acquired in the Protective Insurance acquisition.

We experienced unfavorable reserve development of $144.9 million and $197.0 million during the first six months of 2022 and 2021, respectively, which is reflected as “incurred related to prior years” in the table above.

Year-to-date June 30, 2022

•Approximately $97 million of the unfavorable prior year reserve development was attributable to accident year 2021, $16 million to accident year 2020, and the remainder to accident years 2019 and prior.

•Our personal auto products incurred about $45 million of unfavorable loss and loss adjustment expense (LAE) reserve development, with the Agency and Direct auto businesses each contributing about half. The unfavorable development was primarily attributable to higher than anticipated severity and frequency of auto property damage payments on previously closed claims and late reported injury claims, partially offset by more subrogation and salvage recoveries and lower loss adjustment expenses than originally anticipated.

•Our Commercial Lines business experienced about $98 million of unfavorable development, primarily due to higher than anticipated severity and frequency of late reported claims.

Year-to-date June 30, 2021

•Approximately $100 million of the unfavorable prior year reserve development was attributable to accident year 2019 and $114 million to 2018 and prior accident years, partially offset by favorable development attributable to accident year 2020.

•Our personal auto products incurred about $111 million of unfavorable loss and LAE reserve development, with about $67 million attributable to the Agency business. The unfavorable development was primarily attributable to a higher than anticipated frequency of reopened personal injury protection (PIP) claims, primarily in Florida, and higher than anticipated bodily injury severity, partially offset by less late reported claims than anticipated for accident year 2020.

•Our Commercial Lines business experienced about $73 million of unfavorable development, primarily due to increased injury severity, and the emergence of large injury claims at rates higher than originally anticipated primarily in Texas and Florida.

•Our Property business experienced about $20 million of unfavorable development, primarily due to higher than anticipated severity, reopen activity in Florida, and loss adjustment expense for prior loss years.

•Our special lines business experienced about $7 million of favorable development.

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Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2022

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information — Cash and cash equivalents include bank demand deposits and daily overnight reverse repurchase commitments of funds held in bank demand deposit accounts by certain subsidiaries. The amount of reverse repurchase commitments, which are not considered part of the investment portfolio, held by these subsidiaries at June 30, 2022 and 2021, and December 31, 2021, were $140.6 million, $90.5 million, and $137.1 million, respectively.

Restricted cash and cash equivalents include collateral held against unpaid deductibles and cash that is restricted to pay flood claims under the National Flood Insurance Program’s “Write Your Own” program, for which certain subsidiaries are administrators.

Non-cash activity included the following in the respective periods:

	Six Months Ended June 30,
(millions)	2022		2021
Common share dividends1	$	58.5	$	58.5
Operating lease liabilities2	22.5		55.9

1 Declared but unpaid. See Note 9 – Dividends for further discussion.

2 From obtaining right-of-use assets.

We paid the following in the respective periods: 

	Six Months Ended June 30,
(millions)	2022		2021
Income taxes	$	363.2	$	574.1
Interest	102.6		112.0
Operating lease liabilities	41.8		44.8

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Segment Information

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Segment Information

Segment Information — Our Personal Lines segment writes insurance for personal autos and recreational vehicles (our special lines products). Our Commercial Lines segment writes auto-related liability and physical damage insurance, workers’ compensation insurance primarily for the transportation industry, and business-related general liability and property insurance, predominately for small businesses. Our Property segment writes residential property insurance for homeowners, other property owners, and renters. Our service businesses provide insurance-related services, including processing Commercial Automobile Insurance Procedures/Plans (CAIP) business and serving as an agent for homeowners, general liability, and workers’ compensation insurance, among other products, through programs in our direct Personal Lines and Commercial Lines businesses. All segment revenues are generated from external customers; all intercompany transactions are eliminated in consolidation.

Following are the operating results for the respective periods:

	Three Months Ended June 30,								Six Months Ended June 30,
	2022				2021				2022				2021
(millions)	Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)
Personal Lines
Agency	$	4,366.5	$	260.3	$	4,220.3	$	207.5	$	8,689.8	$	548.9	$	8,318.5	$	755.0
Direct	4,905.9		198.4		4,633.9		128.4		9,699.5		348.8		9,065.6		543.0
Total Personal Lines1	9,272.4		458.7		8,854.2		335.9		18,389.3		897.7		17,384.1		1,298.0
Commercial Lines	2,304.4		243.0		1,621.8		130.1		4,431.6		445.4		3,039.6		358.6
Property2	570.5		(156.9)		502.3		(83.3)		1,128.6		(148.6)		974.8		(154.0)
Other indemnity3	0.6		(6.3)		4.0		0.1		1.3		(7.2)		4.0		0.1
Total underwriting operations	12,147.9		538.5		10,982.3		382.8		23,950.8		1,187.3		21,402.5		1,502.7
Fees and other revenues4	176.5		NA		176.2		NA		350.5		NA		341.9		NA
Service businesses	80.1		4.6		74.5		6.6		147.8		9.1		128.3		11.1
Investments5	(885.3)		(891.2)		672.5		666.2		(1,088.4)		(1,100.0)		1,478.0		1,466.1
Interest expense	NA		(63.0)		NA		(56.4)		NA		(117.3)		NA		(112.8)
Property - Goodwill impairment2	NA		(224.8)		NA		0		NA		(224.8)		NA		0
Consolidated total	$	11,519.2	$	(635.9)	$	11,905.5	$	999.2	$	23,360.7	$	(245.7)	$	23,350.7	$	2,867.1

NA = Not applicable

1 Personal auto products accounted for 94% of the total Personal Lines segment net premiums earned during the three and six months ended June 30, 2022 and 2021; our special lines products (e.g., motorcycles, ATVs, RVs, watercraft, and snowmobiles) accounted for the balance of the Personal Lines net premiums earned.

2 The total pretax loss, including goodwill impairment, for the Property segment was $381.7 million and $373.4 million for the three and six months ended June 30, 2022, respectively. For the three and six months ended June 30, 2022, pretax profit (loss) also included $5.0 million and $19.1 million, respectively, of amortization expense associated with acquisition-related intangible assets attributable to our Property segment, and $14.1 million and $28.3 million for the same periods in 2021.

See Note 12 – Goodwill and Intangible Assets for further discussion.

3 Primarily includes run-off business operations.

4 Pretax profit (loss) for fees and other revenues is allocated to operating segments.

5 Revenues represent recurring investment income and total net realized gains (losses) on securities; pretax profit is net of investment expense.

Our management uses underwriting margin and combined ratio as primary measures of underwriting profitability. The underwriting margin is the pretax underwriting profit (loss) expressed as a percentage of net premiums earned (i.e., revenues from underwriting operations). Pretax underwriting profit (loss) is calculated as net premiums earned plus fees and other revenues, less: (i) losses and loss adjustment expenses; (ii) policy acquisition costs; and (iii) other underwriting expenses. Combined ratio is the complement of the underwriting margin. Following are the underwriting margins and combined ratios for our underwriting operations for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio
Personal Lines
Agency	6.0	%	94.0	4.9	%	95.1	6.3	%	93.7	9.1	%	90.9
Direct	4.0		96.0	2.8		97.2	3.6		96.4	6.0		94.0
Total Personal Lines	4.9		95.1	3.8		96.2	4.9		95.1	7.5		92.5
Commercial Lines	10.5		89.5	8.0		92.0	10.1		89.9	11.8		88.2
Property1	(27.5)		127.5	(16.6)		116.6	(13.2)		113.2	(15.8)		115.8
Total underwriting operations	4.4		95.6	3.5		96.5	5.0		95.0	7.0		93.0

1 Included in the three and six months ended June 30, 2022, is 0.9 points and 1.7 points, respectively, of amortization expense associated with intangible assets and 2.8 points and 2.9 points, respectively, for the three and six months ended June 30, 2021.

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Dividends

6 Months Ended

Jun. 30, 2022

Dividends [Abstract]

Dividends

Dividends — Following is a summary of our common and preferred share dividends that were declared and/or paid during the six months ended June 30, 2022 and 2021:

(millions, except per share amounts)		Amount
Declared	Payable	Per Share		Accrued/Paid1
Common - Quarterly Dividends:
May 2022	July 2022	$	0.10	$	58.5
March 2022	April 2022	0.10		58.5
December 2021	January 2022	0.10		58.5
May 2021	July 2021	0.10		58.5
March 2021	April 2021	0.10		58.5
December 2020	January 2021	0.10		58.6
Common - Annual Variable Dividends:
December 2020	January 2021	4.50		2,635.9
Preferred Dividends:
December 2021	March 2022	26.875		13.4
December 2020	March 2021	26.875		13.4

1 The accrual is based on an estimate of common shares outstanding as of the record date and the common share accrual is recorded as a part of accounts payable, accrued expenses, and other liabilities on the consolidated balance sheets.

See Note 14 – Dividends in our 2021 Annual Report to Shareholders for a discussion of our quarterly and annual common share dividends and our preferred share dividend policies, including a discussion of the $1.50 per common share, or $876.5 million in the aggregate, 2021 annual variable common share dividend that was declared and paid in the fourth quarter 2021.

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Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Other Comprehensive Income (Loss)

Other Comprehensive Income (Loss) — The components of other comprehensive income (loss), including reclassification adjustments by income statement line item, were as follows: 

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2022	$	(1,753.4)	$	367.6	$	(1,385.8)	$	(1,370.7)	$	(14.7)	$	(0.4)
Other comprehensive income (loss) before reclassifications:
Investment securities	(1,246.7)		261.8		(984.9)		(984.9)		0		0
Foreign currency translation adjustment	(0.5)		0.1		(0.4)		0		0		(0.4)
Total other comprehensive income (loss) before reclassifications	(1,247.2)		261.9		(985.3)		(984.9)		0		(0.4)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(205.1)		43.0		(162.1)		(162.1)		0		0
Interest expense	0		0		0		0		0		0
Total reclassification adjustment for amounts realized in net income	(205.1)		43.0		(162.1)		(162.1)		0		0
Total other comprehensive income (loss)	(1,042.1)		218.9		(823.2)		(822.8)		0		(0.4)
Balance at June 30, 2022	$	(2,795.5)	$	586.5	$	(2,209.0)	$	(2,193.5)	$	(14.7)	$	(0.8)

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2021	$	504.6	$	(112.3)	$	392.3	$	407.7	$	(15.4)	$	0
Other comprehensive income (loss) before reclassifications:
Investment securities	174.7		(36.7)		138.0		138.0		0		0
Foreign currency translation adjustment	(0.6)		0.1		(0.5)		0		0		(0.5)
Total other comprehensive income (loss) before reclassifications	174.1		(36.6)		137.5		138.0		0		(0.5)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	59.4		(12.5)		46.9		46.9		0		0
Interest expense	(0.3)		0		(0.3)		0		(0.3)		0
Total reclassification adjustment for amounts realized in net income	59.1		(12.5)		46.6		46.9		(0.3)		0
Total other comprehensive income (loss)	115.0		(24.1)		90.9		91.1		0.3		(0.5)
Balance at June 30, 2021	$	619.6	$	(136.4)	$	483.2	$	498.8	$	(15.1)	$	(0.5)
							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2021	$	52.3	$	(11.6)	$	40.7	$	56.2	$	(14.9)	$	(0.6)
Other comprehensive income (loss) before reclassifications:
Investment securities	(3,098.4)		650.7		(2,447.7)		(2,447.7)		0		0
Foreign currency translation adjustment	(0.2)		0		(0.2)		0		0		(0.2)
Total other comprehensive income (loss) before reclassifications	(3,098.6)		650.7		(2,447.9)		(2,447.7)		0		(0.2)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(250.6)		52.6		(198.0)		(198.0)		0		0
Interest expense	(0.2)		0		(0.2)		0		(0.2)		0
Total reclassification adjustment for amounts realized in net income	(250.8)		52.6		(198.2)		(198.0)		(0.2)		0
Total other comprehensive income (loss)	(2,847.8)		598.1		(2,249.7)		(2,249.7)		0.2		(0.2)
Balance at June 30, 2022	$	(2,795.5)	$	586.5	$	(2,209.0)	$	(2,193.5)	$	(14.7)	$	(0.8)

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2020	$	1,187.4	$	(255.7)	$	931.7	$	947.3	$	(15.6)	$	0
Other comprehensive income (loss) before reclassifications:
Investment securities	(376.7)		79.1		(297.6)		(297.6)		0		0
Foreign currency translation adjustment	(0.6)		0.1		(0.5)		0		0		(0.5)
Total other comprehensive income (loss) before reclassifications	(377.3)		79.2		(298.1)		(297.6)		0		(0.5)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	191.1		(40.2)		150.9		150.9		0		0
Interest expense	(0.6)		0.1		(0.5)		0		(0.5)		0
Total reclassification adjustment for amounts realized in net income	190.5		(40.1)		150.4		150.9		(0.5)		0
Total other comprehensive income (loss)	(567.8)		119.3		(448.5)		(448.5)		0.5		(0.5)
Balance at June 30, 2021	$	619.6	$	(136.4)	$	483.2	$	498.8	$	(15.1)	$	(0.5)

In an effort to manage interest rate risk, we entered into forecasted transactions on certain of Progressive’s debt issuances. We expect to reclassify $0.5 million (pretax) into interest expense during the next 12 months, related to net unrealized losses on these forecasted transactions (see Note 4 – Debt in our 2021 Annual Report to Shareholders for further discussion).

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Litigation

6 Months Ended

Jun. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Litigation

Litigation — The Progressive Corporation and/or its insurance subsidiaries are named as defendants in various lawsuits arising out of claims made under insurance policies written by our insurance subsidiaries in the ordinary course of business. We consider all legal actions relating to such claims in establishing our loss and loss adjustment expense reserves.

In addition, The Progressive Corporation and/or its subsidiaries are named as defendants in a number of class action or individual lawsuits that challenge certain of the operations of the subsidiaries. These cases include and/or typically have included those alleging damages as a result of, among other things, our subsidiaries’ methods used for evaluating and paying medical or injury claims or benefits, including, but not limited to, certain bodily injury, personal injury protection, uninsured motorist/underinsured motorist (UM/UIM), and medical payment claims and for reimbursing medical costs incurred by Medicare/Medicaid beneficiaries; other claims handling procedures, including, but not limited to, challenges relating to our network of repair facilities, our methods used for estimating physical damage to vehicles for repair purposes and for evaluating the actual cash value of total loss vehicles, our payment of fees and taxes, our subrogation practices, our salvage practices, and our handling of diminution of value claims; homeowner claims handling practices and procedures; our assessment of fees related to insufficient funds or reversed payments; interpretations of the provisions of our insurance policies; our insurance product design; our premium actions in response to the COVID-19 pandemic; rating practices; certain marketing, sales, services, implementation and renewal practices and procedures, including with respect to accessibility; our usage-based insurance program; certain relationships with independent insurance agents; patent matters; alleged violation of the Telephone Consumer Protection Act; commercial disputes, including breach of contract; and certain employment practices, including claims relating to pay practices and fair employment practices, among other matters. Other insurance companies face many of these same issues.

The nature and volume of litigation pending against The Progressive Corporation and/or its insurance subsidiaries is similar to that which was disclosed in Note 12 – Litigation in our 2021 Annual Report to Shareholders.

We plan to contest the pending lawsuits vigorously, but may pursue settlement negotiations in some cases, as we deem appropriate. Although outcomes of pending cases are uncertain until final disposition, we establish accruals for these lawsuits when it is probable that a loss has been or will be incurred and we can reasonably estimate potential loss exposure, which may include a range of loss. As to lawsuits for which the loss is considered neither probable or estimable, or is considered probable but not estimable, we do not establish an accrual. Nevertheless, we continue to evaluate pending litigation to determine if any losses not deemed probable and estimable become so, at which point we would establish an accrual at our best estimate of the loss or range of loss.

With respect to our pending lawsuits that are not related to claims under insurance policies, the accruals that we have established, if any, were not material at June 30, 2022 and 2021, or December 31, 2021, and there were no material settlements during 2021 or the first six months of 2022. For most of these lawsuits, we do not consider any losses to be both probable and estimable, and we are unable to estimate a meaningful range of loss, if any, at this time, due to the factors discussed in Note 12 – Litigation in our 2021 Annual Report to Shareholders. In the event that any one or more of these lawsuits results in a substantial judgment against us, or settlement by us, or if our accruals (if any) prove to be inadequate by a significant amount, the resulting liability could have a material adverse effect on our consolidated financial condition, cash flows, and/or results of operations. For a further discussion on our pending litigation and related reserving policies, see Note 12 – Litigation in our 2021 Annual Report to Shareholders.

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Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill

The majority of the goodwill recorded as of June 30, 2022 and 2021, and December 31, 2021, related to the April 1, 2015, acquisition of a controlling interest in ARX. In connection with the preparation of our second quarter 2022 financial results, we recorded an impairment loss of $224.8 million, which is disclosed as a separate line item in our consolidated statements of comprehensive income. The impairment loss was fully allocated to our Property segment. There were no previously recorded accumulated impairment losses and there are no other accumulated goodwill impairment losses on any of the outstanding goodwill.

We performed the interim test of our goodwill for impairment for the ARX reporting unit. The indicators of impairment primarily related to the magnitude of recent weather events relative to forecasted expectations, as well as other factors impacting our plans to restore our Property business to target profitability in a timely fashion and the subsequent reduced forecasted profitability of ARX. As a result, we determined it was more likely than not that the fair value of the ARX reporting unit was less than its carrying value.

The quantitative goodwill impairment assessment consisted of comparing the fair value of the reporting unit to its carrying value. To determine the fair value of a reporting unit, we use a discounted cash flow model. The model uses assumptions including, but not limited to, discount rate, and forecasted growth, profitability, investment return, and capital requirements. The assumptions and estimates are consistent with those we believe other non-related marketplace participants would use and are based on management’s best estimates at the time of the analysis. The calculated fair value of the ARX reporting unit was below its carrying value at June 30, 2022, which resulted in recording a goodwill impairment. There was no indication of impairment on the remaining $227.9 million goodwill, of which 98% was attributable to our Personal Lines Agency business and related to the ARX acquisition.

Intangible Assets

The following table is a summary of the net carrying amount of other intangible assets:

(millions)	June 30, 2022		June 30, 2021		December 31, 2021
Intangible assets subject to amortization	$	84.8	$	134.1	$	104.9
Indefinite-lived intangible assets1	12.4		12.4		12.4
Total	$	97.2	$	146.5	$	117.3

1 Indefinite-lived intangible assets are comprised of state insurance and agent licenses. State insurance licenses were previously subject to amortization under superseded accounting guidance and have $0.6 million of accumulated amortization for all periods presented.

Intangible assets subject to amortization consisted of the following:

(millions)	June 30, 2022						June 30, 2021						December 31, 2021
Category	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Policies in force	$	0	$	0	$	0	$	256.2	$	228.7	$	27.5	$	256.2	$	247.1	$	9.1
Agency relationships	159.2		82.5		76.7		159.2		71.1		88.1		159.2		76.8		82.4
Software rights	69.1		62.6		6.5		69.1		54.0		15.1		69.1		58.3		10.8
Trade name	3.6		2.0		1.6		3.6		0.2		3.4		3.6		1.0		2.6
Total	$	231.9	$	147.1	$	84.8	$	488.1	$	354.0	$	134.1	$	488.1	$	383.2	$	104.9

Amortization expense was $5.5 million and $20.1 million for the three and six months ended June 30, 2022, respectively, compared to $14.3 million and $28.5 million during the same periods last year. During the first quarter 2022, the policies in

force intangible asset, with a gross carrying value of $256.2 million, was fully amortized.

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New Accounting Standards	6 Months Ended
	Jun. 30, 2022
Accounting Policies [Abstract]
New Accounting Standards	New Accounting Standards — We did not adopt any new accounting standards during the six months ended June 30, 2022. We assessed the adoption impacts of recently issued accounting standards by the Financial Accounting Standards Board on our consolidated financial statements as well as material updates to previous assessments, if any, from our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. There were no new material accounting standards issued in the six months ended June 30, 2022, that are expected to impact The Progressive Corporation or its subsidiaries.

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Basis of Presentation (Policies)	6 Months Ended
	Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Earnings Per Share, Policy	For the three and six months ended June 30, 2022, earnings per common share were calculated using basic average equivalent shares since diluted earnings per share would be antidilutive given the net loss reported for both periods. Amounts are reported on a diluted basis for the second quarter and first six months of 2021.

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Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Premium Receivable, Allowance for Credit Loss

The following table summarizes changes in our allowance for credit loss exposure on our premiums receivable:

	Three Months				Six Months
Periods Ended June 30,	2022		2021		2022		2021
(millions)
Allowance for credit losses, beginning of period	$	276.2	$	265.3	$	280.4	$	356.2
Allowance acquired during period1	0		3.5		0		3.5
Increase in allowance2	95.8		87.4		189.7		148.3
Write-offs3	(106.2)		(111.0)		(204.3)		(262.8)
Allowance for credit losses, end of period	$	265.8	$	245.2	$	265.8	$	245.2

1 Represents the amount of the allowance acquired in the Protective Insurance Corporation and subsidiaries (Protective Insurance) acquisition.

2 Represents the incremental increase in other underwriting expenses.

3 Represents portion of allowance that is reversed when premiums receivable are written off.

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Investments (Tables)

6 Months Ended

Jun. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Debt and Equity Securities Reconciliation

The following tables present the composition of our investment portfolio by major security type. Our securities are reported in our consolidated balance sheets at fair value. The changes in fair value for our fixed-maturity securities (other than hybrid securities) are reported as a component of accumulated other comprehensive income (loss), net of deferred income taxes, in our consolidated balance sheets. The net holding period gains (losses) reported below represent the inception-to-date changes in fair value of the securities. The changes in the net holding period gains (losses) between periods for the hybrid securities and equity securities are recorded as a component of net realized gains (losses) on securities in our consolidated statements of comprehensive income.

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
June 30, 2022
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	19,832.3	$	3.7	$	(1,116.8)	$	0	$	18,719.2	36.0	%
State and local government obligations	2,281.9		0.6		(147.1)		0		2,135.4		4.1
Foreign government obligations	17.7		0		(1.3)		0		16.4		0.1
Corporate debt securities	10,869.6		1.6		(655.0)		(48.4)		10,167.8		19.6
Residential mortgage-backed securities	826.5		0.5		(10.7)		(17.0)		799.3		1.5
Commercial mortgage-backed securities	6,739.4		1.2		(646.0)		0		6,094.6		11.7
Other asset-backed securities	5,239.4		0.1		(201.7)		(1.8)		5,036.0		9.7
Redeemable preferred stocks	222.0		0		(5.5)		(12.7)		203.8		0.4
Total fixed maturities	46,028.8		7.7		(2,784.1)		(79.9)		43,172.5		83.1
Short-term investments	4,611.8		0		0		0		4,611.8		8.9
Total available-for-sale securities	50,640.6		7.7		(2,784.1)		(79.9)		47,784.3		92.0
Equity securities:
Nonredeemable preferred stocks	1,522.5		0		0		(162.0)		1,360.5		2.6
Common equities	783.6		0		0		2,001.1		2,784.7		5.4
Total equity securities	2,306.1		0		0		1,839.1		4,145.2		8.0
Total portfolio1	$	52,946.7	$	7.7	$	(2,784.1)	$	1,759.2	$	51,929.5	100.0	%

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
June 30, 2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	19,339.3	$	171.3	$	(72.9)	$	0	$	19,437.7	38.1	%
State and local government obligations	2,379.1		64.7		(3.3)		0		2,440.5		4.8
Foreign government obligations	12.7		0		0		0		12.7		0.1
Corporate debt securities	10,314.8		372.1		(9.9)		1.2		10,678.2		20.9
Residential mortgage-backed securities	666.9		4.6		(1.1)		0.9		671.3		1.3
Commercial mortgage-backed securities	5,628.2		91.4		(11.5)		0		5,708.1		11.2
Other asset-backed securities	3,865.9		34.6		(1.5)		0		3,899.0		7.7
Redeemable preferred stocks	171.1		1.7		(1.4)		12.1		183.5		0.4
Total fixed maturities	42,378.0		740.4		(101.6)		14.2		43,031.0		84.5
Short-term investments	1,710.6		0		0		0		1,710.6		3.3
Total available-for-sale securities	44,088.6		740.4		(101.6)		14.2		44,741.6		87.8
Equity securities:
Nonredeemable preferred stocks	1,511.2		0		0		98.6		1,609.8		3.2
Common equities	1,238.4		0		0		3,353.0		4,591.4		9.0
Total equity securities	2,749.6		0		0		3,451.6		6,201.2		12.2
Total portfolio1	$	46,838.2	$	740.4	$	(101.6)	$	3,465.8	$	50,942.8	100.0	%

Note: Included in the table above is a $52.5 million fair value ($25.0 million cost) reclassification from nonredeemable preferred stock to common equities to reflect the prior year conversion of a security and to conform to the current year classification. 

($ in millions)	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Net Holding Period Gains (Losses)		Fair Value		% of Total Fair Value
December 31, 2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	18,586.1	$	92.9	$	(190.8)	$	0	$	18,488.2	35.9	%
State and local government obligations	2,162.6		36.7		(14.0)		0		2,185.3		4.2
Foreign government obligations	17.9		0		0		0		17.9		0.1
Corporate debt securities	10,526.2		202.6		(33.4)		(3.3)		10,692.1		20.7
Residential mortgage-backed securities	787.7		2.3		(0.6)		0.6		790.0		1.5
Commercial mortgage-backed securities	6,561.0		38.9		(64.3)		0		6,535.6		12.7
Other asset-backed securities	4,981.8		13.3		(12.4)		(0.4)		4,982.3		9.7
Redeemable preferred stocks	170.9		0.7		(0.5)		10.6		181.7		0.4
Total fixed maturities	43,794.2		387.4		(316.0)		7.5		43,873.1		85.2
Short-term investments	942.6		0		0		0		942.6		1.8
Total available-for-sale securities	44,736.8		387.4		(316.0)		7.5		44,815.7		87.0
Equity securities:
Nonredeemable preferred stocks	1,571.8		0		0		68.1		1,639.9		3.2
Common equities	1,264.1		0		0		3,794.4		5,058.5		9.8
Total equity securities	2,835.9		0		0		3,862.5		6,698.4		13.0
Total portfolio1	$	47,572.7	$	387.4	$	(316.0)	$	3,870.0	$	51,514.1	100.0	%

1 Includes $0, $412.1 million, and $143.4 million of net unsettled security purchase transactions at June 30, 2022 and 2021, and December 31, 2021, respectively, with the offsetting payable included in other liabilities.

The total fair value of the portfolio at June 30, 2022 and 2021, and December 31, 2021, included $4.9 billion, $3.3 billion, and $4.2 billion, respectively, of securities held in a consolidated, non-insurance subsidiary of the holding company, net of unsettled security transactions.

Hybrid Instruments Table

Certain securities in our fixed-maturity portfolio are accounted for as hybrid securities because they contain embedded derivatives that are not deemed to be clearly and closely related to the host investments. These securities are reported at fair value:

	June 30,
(millions)	2022		2021		December 31, 2021
Fixed Maturities:
Corporate debt securities	$	513.8	$	296.7	$	479.1
Residential mortgage-backed securities	604.3		163.1		536.2
Other asset-backed securities	62.3		66.9		89.2
Redeemable preferred stocks	136.3		132.2		130.8
Total hybrid securities	$	1,316.7	$	658.9	$	1,235.3

Investments Classified by Contractual Maturity Date

The composition of fixed maturities by maturity at June 30, 2022, was:

(millions)	Cost		Fair Value
Less than one year	$	5,294.8	$	5,210.9
One to five years	27,925.6		26,532.2
Five to ten years	12,763.0		11,389.5
Ten years or greater	45.4		39.9
Total	$	46,028.8	$	43,172.5

Schedule of Unrealized Loss on Investments

The following tables show the composition of gross unrealized losses by major security type and by the length of time that individual securities have been in a continuous unrealized loss position:

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
June 30, 2022
U.S. government obligations	140	$	17,907.2	$	(1,116.8)	114	$	15,254.3	$	(874.0)	26	$	2,652.9	$	(242.8)
State and local government obligations	331	1,954.9		(147.1)		318	1,816.1		(126.1)		13	138.8		(21.0)
Foreign government obligations	1	16.4		(1.3)		1	16.4		(1.3)		0	0		0
Corporate debt securities	466	9,174.2		(655.0)		435	8,843.2		(612.0)		31	331.0		(43.0)
Residential mortgage-backed securities	39	183.7		(10.7)		32	172.1		(8.8)		7	11.6		(1.9)
Commercial mortgage-backed securities	254	6,058.4		(646.0)		234	5,624.1		(569.8)		20	434.3		(76.2)
Other asset-backed securities	289	4,915.7		(201.7)		269	4,611.8		(188.9)		20	303.9		(12.8)
Redeemable preferred stocks	5	67.5		(5.5)		4	56.7		(3.8)		1	10.8		(1.7)
Total fixed maturities	1,525	$	40,278.0	$	(2,784.1)	1,407	$	36,394.7	$	(2,384.7)	118	$	3,883.3	$	(399.4)

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
June 30, 2021
U.S. government obligations	59	$	10,629.4	$	(72.9)	55	$	10,162.4	$	(66.8)	4	$	467.0	$	(6.1)
State and local government obligations	81	436.2		(3.3)		72	400.0		(2.6)		9	36.2		(0.7)
Corporate debt securities	292	1,142.5		(9.9)		288	1,065.2		(9.5)		4	77.3		(0.4)
Residential mortgage-backed securities	77	192.2		(1.1)		64	172.4		(0.7)		13	19.8		(0.4)
Commercial mortgage-backed securities	68	1,272.0		(11.5)		61	1,006.9		(10.5)		7	265.1		(1.0)
Other asset-backed securities	119	1,073.6		(1.5)		113	1,043.7		(1.3)		6	29.9		(0.2)
Redeemable preferred stocks	1	11.1		(1.4)		0	0		0		1	11.1		(1.4)
Total fixed maturities	697	$	14,757.0	$	(101.6)	653	$	13,850.6	$	(91.4)	44	$	906.4	$	(10.2)

	Total No. of Sec.	Total Fair Value		Gross Unrealized Losses		Less than 12 Months					12 Months or Greater
($ in millions)						No. of Sec.	Fair Value		Unrealized Losses		No. of Sec.	Fair  Value		Unrealized Losses
December 31, 2021
U.S. government obligations	92	$	14,745.8	$	(190.8)	85	$	13,790.8	$	(158.5)	7	$	955.0	$	(32.3)
State and local government obligations	127	954.2		(14.0)		122	927.3		(13.1)		5	26.9		(0.9)
Corporate debt securities	220	3,496.6		(33.4)		219	3,491.7		(33.3)		1	4.9		(0.1)
Residential mortgage-backed securities	20	138.6		(0.6)		14	135.4		(0.5)		6	3.2		(0.1)
Commercial mortgage-backed securities	168	4,315.4		(64.3)		165	4,295.0		(63.9)		3	20.4		(0.4)
Other asset-backed securities	178	3,204.7		(12.4)		176	3,200.6		(12.3)		2	4.1		(0.1)
Redeemable preferred stocks	1	12.0		(0.5)		0	0		0		1	12.0		(0.5)
Total fixed maturities	806	$	26,867.3	$	(316.0)	781	$	25,840.8	$	(281.6)	25	$	1,026.5	$	(34.4)

Realized Gain (Loss) on Investments

The components of net realized gains (losses) for the three and six months ended June 30, were:

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Gross realized gains on security sales
Available-for-sale securities:
U.S. government obligations	$	1.3	$	11.3	$	4.6	$	77.9
State and local government obligations	0		14.1		0		44.3
Corporate and other debt securities	2.0		40.1		6.5		60.8
Residential mortgage-backed securities	0.6		0.3		0.7		0.3
Commercial mortgage-backed securities	0		9.5		0		39.3
Other asset-backed securities	0		0		0.1		0.7
Redeemable preferred stocks	0		1.5		0		1.5
Total available-for-sale securities	3.9		76.8		11.9		224.8
Equity securities:
Nonredeemable preferred stocks	0.2		6.4		17.5		23.7
Common equities	830.6		345.0		831.1		346.1
Total equity securities	830.8		351.4		848.6		369.8
Subtotal gross realized gains on security sales	834.7		428.2		860.5		594.6
Gross realized losses on security sales
Available-for-sale securities:
U.S. government obligations	(164.3)		(6.9)		(233.5)		(26.5)
State and local government obligations	0		(2.8)		(1.0)		(3.0)
Corporate and other debt securities	(30.1)		(3.3)		(37.8)		(5.4)
Commercial mortgage-backed securities	(13.8)		(0.5)		(13.8)		(1.1)
Other asset-backed securities	(2.0)		(0.3)		(2.1)		(0.4)
Short-term investments	(0.3)		0		(0.3)		0
Total available-for-sale securities	(210.5)		(13.8)		(288.5)		(36.4)
Equity securities:
Nonredeemable preferred stocks	(0.2)		(0.4)		(1.9)		(0.4)
Common equities	(77.4)		(3.9)		(78.0)		(3.9)
Total equity securities	(77.6)		(4.3)		(79.9)		(4.3)
Subtotal gross realized losses on security sales	(288.1)		(18.1)		(368.4)		(40.7)
Net realized gains (losses) on security sales
Available-for-sale securities:
U.S. government obligations	(163.0)		4.4		(228.9)		51.4
State and local government obligations	0		11.3		(1.0)		41.3
Corporate and other debt securities	(28.1)		36.8		(31.3)		55.4
Residential mortgage-backed securities	0.6		0.3		0.7		0.3
Commercial mortgage-backed securities	(13.8)		9.0		(13.8)		38.2
Other asset-backed securities	(2.0)		(0.3)		(2.0)		0.3
Redeemable preferred stocks	0		1.5		0		1.5
Short-term investments	(0.3)		0		(0.3)		0
Total available-for-sale securities	(206.6)		63.0		(276.6)		188.4
Equity securities:
Nonredeemable preferred stocks	0		6.0		15.6		23.3
Common equities	753.2		341.1		753.1		342.2
Total equity securities	753.2		347.1		768.7		365.5
Subtotal net realized gains (losses) on security sales	546.6		410.1		492.1		553.9
Net holding period gains (losses)
Hybrid securities	(48.4)		9.9		(87.4)		(1.0)
Equity securities	(1,673.8)		44.3		(2,023.4)		496.7
Subtotal net holding period gains (losses)	(1,722.2)		54.2		(2,110.8)		495.7
Other asset impairment	(2.1)		(2.5)		(4.3)		(2.5)
Total net realized gains (losses) on securities	$	(1,177.7)	$	461.8	$	(1,623.0)	$	1,047.1

Components of Equity Realized Gains (Losses)

The following table reflects our holding period realized gains (losses) recognized on equity securities held at the respective quarter ends:

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Total net gains (losses) recognized during the period on equity securities	$	(920.6)	$	391.4	$	(1,254.7)	$	862.2
Less: Net gains (losses) recognized on equity securities sold during the period	753.2		347.1		768.7		365.5
Net holding period gains (losses) recognized during the period on equity securities held at period end	$	(1,673.8)	$	44.3	$	(2,023.4)	$	496.7

Components of Net Investment Income

The components of net investment income for the three and six months ended June 30, were: 

	Three Months				Six Months
(millions)	2022		2021		2022		2021
Available-for-sale securities:
Fixed maturities:
U.S. government obligations	$	67.9	$	37.4	$	119.3	$	67.8
State and local government obligations	10.3		11.5		19.5		24.9
Foreign government obligations	0		0		0.1		0
Corporate debt securities	75.5		73.2		143.6		158.4
Residential mortgage-backed securities	9.6		2.8		14.4		6.2
Commercial mortgage-backed securities	46.5		34.4		89.8		70.2
Other asset-backed securities	39.3		15.1		64.4		31.0
Redeemable preferred stocks	3.0		2.3		5.5		4.8
Total fixed maturities	252.1		176.7		456.6		363.3
Short-term investments	4.4		0.7		4.8		2.2
Total available-for-sale securities	256.5		177.4		461.4		365.5
Equity securities:
Nonredeemable preferred stocks	18.1		17.3		36.3		35.2
Common equities	17.8		16.0		36.9		30.2
Total equity securities	35.9		33.3		73.2		65.4
Investment income	292.4		210.7		534.6		430.9
Investment expenses	(5.9)		(6.3)		(11.6)		(11.9)
Net investment income	$	286.5	$	204.4	$	523.0	$	419.0

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Fair Value (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Composition of Investment Portfolio by Major Security Type

The composition of the investment portfolio by major security type and our outstanding debt was:

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2022
Fixed maturities:
U.S. government obligations	$	18,719.2	$	0	$	0	$	18,719.2	$	19,832.3
State and local government obligations	0		2,135.4		0		2,135.4		2,281.9
Foreign government obligations	0		16.4		0		16.4		17.7
Corporate debt securities	0		10,167.8		0		10,167.8		10,869.6
Subtotal	18,719.2		12,319.6		0		31,038.8		33,001.5
Asset-backed securities:
Residential mortgage-backed	0		799.3		0		799.3		826.5
Commercial mortgage-backed	0		6,094.6		0		6,094.6		6,739.4
Other asset-backed	0		5,036.0		0		5,036.0		5,239.4
Subtotal asset-backed securities	0		11,929.9		0		11,929.9		12,805.3
Redeemable preferred stocks:
Financials	0		58.7		0		58.7		62.5
Utilities	0		8.8		0		8.8		10.5
Industrials	9.9		126.4		0		136.3		149.0
Subtotal redeemable preferred stocks	9.9		193.9		0		203.8		222.0
Total fixed maturities	18,729.1		24,443.4		0		43,172.5		46,028.8
Short-term investments	4,549.8		62.0		0		4,611.8		4,611.8
Total available-for-sale securities	23,278.9		24,505.4		0		47,784.3		50,640.6
Equity securities:
Nonredeemable preferred stocks:
Financials	87.8		1,099.7		64.9		1,252.4		1,402.5
Utilities	0		67.3		0		67.3		79.9
Industrials	0		23.8		17.0		40.8		40.1
Subtotal nonredeemable preferred stocks	87.8		1,190.8		81.9		1,360.5		1,522.5
Common equities:
Common stocks	2,716.8		49.4		0		2,766.2		765.1
Other risk investments	0		0		18.5		18.5		18.5
Subtotal common equities	2,716.8		49.4		18.5		2,784.7		783.6
Total equity securities	2,804.6		1,240.2		100.4		4,145.2		2,306.1
Total portfolio	$	26,083.5	$	25,745.6	$	100.4	$	51,929.5	$	52,946.7
Debt	$	0	$	6,028.9	$	0	$	6,028.9	$	6,386.5

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2021
Fixed maturities:
U.S. government obligations	$	19,437.7	$	0	$	0	$	19,437.7	$	19,339.3
State and local government obligations	0		2,440.5		0		2,440.5		2,379.1
Foreign government obligations	0		12.7		0		12.7		12.7
Corporate debt securities	0		10,678.2		0		10,678.2		10,314.8
Subtotal	19,437.7		13,131.4		0		32,569.1		32,045.9
Asset-backed securities:
Residential mortgage-backed	0		671.3		0		671.3		666.9
Commercial mortgage-backed	0		5,708.1		0		5,708.1		5,628.2
Other asset-backed	0		3,899.0		0		3,899.0		3,865.9
Subtotal asset-backed securities	0		10,278.4		0		10,278.4		10,161.0
Redeemable preferred stocks:
Financials	0		51.3		0		51.3		50.9
Utilities	0		0		0		0		0
Industrials	10.8		121.4		0		132.2		120.2
Subtotal redeemable preferred stocks	10.8		172.7		0		183.5		171.1
Total fixed maturities	19,448.5		23,582.5		0		43,031.0		42,378.0
Short-term investments	1,679.8		30.8		0		1,710.6		1,710.6
Total available-for-sale securities	21,128.3		23,613.3		0		44,741.6		44,088.6
Equity securities:
Nonredeemable preferred stocks:
Financials	98.4		1,332.5		76.4		1,507.3		1,431.2
Utilities	0		42.5		0		42.5		39.9
Industrials	0		25.6		34.4		60.0		40.1
Subtotal nonredeemable preferred stocks	98.4		1,400.6		110.8		1,609.8		1,511.2
Common equities:
Common stocks	4,527.3		0		52.5		4,579.8		1,226.8
Other risk investments	0		0		11.6		11.6		11.6
Subtotal common equities	4,527.3		0		64.1		4,591.4		1,238.4
Total equity securities	4,625.7		1,400.6		174.9		6,201.2		2,749.6
Total portfolio	$	25,754.0	$	25,013.9	$	174.9	$	50,942.8	$	46,838.2
Debt	$	0	$	6,446.7	$	0	$	6,446.7	$	5,397.5

	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
December 31, 2021
Fixed maturities:
U.S. government obligations	$	18,488.2	$	0	$	0	$	18,488.2	$	18,586.1
State and local government obligations	0		2,185.3		0		2,185.3		2,162.6
Foreign government obligations	0		17.9		0		17.9		17.9
Corporate debt securities	0		10,692.1		0		10,692.1		10,526.2
Subtotal	18,488.2		12,895.3		0		31,383.5		31,292.8
Asset-backed securities:
Residential mortgage-backed	0		790.0		0		790.0		787.7
Commercial mortgage-backed	0		6,535.6		0		6,535.6		6,561.0
Other asset-backed	0		4,982.3		0		4,982.3		4,981.8
Subtotal asset-backed securities	0		12,307.9		0		12,307.9		12,330.5
Redeemable preferred stocks:
Financials	0		50.9		0		50.9		50.7
Utilities	0		0		0		0		0
Industrials	10.7		120.1		0		130.8		120.2
Subtotal redeemable preferred stocks	10.7		171.0		0		181.7		170.9
Total fixed maturities	18,498.9		25,374.2		0		43,873.1		43,794.2
Short-term investments	942.4		0.2		0		942.6		942.6
Total available-for-sale securities	19,441.3		25,374.4		0		44,815.7		44,736.8
Equity securities:
Nonredeemable preferred stocks:
Financials	115.3		1,305.7		76.4		1,497.4		1,451.7
Utilities	0		82.9		0		82.9		80.0
Industrials	0		25.2		34.4		59.6		40.1
Subtotal nonredeemable preferred stocks	115.3		1,413.8		110.8		1,639.9		1,571.8
Common equities:
Common stocks	4,991.6		50.0		0		5,041.6		1,247.2
Other risk investments	0		0		16.9		16.9		16.9
Subtotal common equities	4,991.6		50.0		16.9		5,058.5		1,264.1
Total equity securities	5,106.9		1,463.8		127.7		6,698.4		2,835.9
Total portfolio	$	24,548.2	$	26,838.2	$	127.7	$	51,514.1	$	47,572.7
Debt	$	0	$	5,857.4	$	0	$	5,857.4	$	4,898.8

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following tables provide a summary of changes in fair value associated with Level 3 assets for the three and six months ended June 30, 2022 and 2021:

	Level 3 Fair Value
(millions)	Fair Value at March 31, 2022		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2022
Equity securities:
Nonredeemable preferred stocks:
Financials	$	61.4	$	0	$	0	$	0	$	0	$	3.5	$	0	$	64.9
Industrials	33.9		0		0		0		0		(16.9)		0		17.0
Common equities:
Other risk investments	20.1		(1.6)		0		0		0		0		0		18.5
Total Level 3 securities	$	115.4	$	(1.6)	$	0	$	0	$	0	$	(13.4)	$	0	$	100.4
	Level 3 Fair Value
(millions)	Fair Value at March 31, 2021		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2021
Equity securities:
Nonredeemable preferred stocks:
Financials	$	10.0	$	0	$	60.2	$	0	$	0	$	6.2	$	0	$	76.4
Industrials	16.6		0		5.0		(5.0)		(4.5)		22.3		0		34.4
Common equities:
Common stocks	25.0		0		0		0		0		27.5		0		52.5
Other risk investments	3.2		8.4		0		0		0		0		0		11.6
Total Level 3 securities	$	54.8	$	8.4	$	65.2	$	(5.0)	$	(4.5)	$	56.0	$	0	$	174.9
	Level 3 Fair Value
(millions)	Fair Value at Dec. 31, 2021		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2022
Equity securities:
Nonredeemable preferred stocks:
Financials	$	76.4	$	0	$	0	$	(15.0)	$	(17.2)	$	20.7	$	0	$	64.9
Industrials	34.4		(0.5)		0		0		0		(16.9)		0		17.0
Common equities:
Other risk investments	16.9		1.6		0		0		0		0		0		18.5
Total Level 3 securities	$	127.7	$	1.1	$	0	$	(15.0)	$	(17.2)	$	3.8	$	0	$	100.4

	Level 3 Fair Value
(millions)	Fair Value at Dec. 31, 2020		Calls/ Maturities/ Paydowns/Other		Purchases		Sales		Net Realized (Gain)/Loss on Sales		Change in Valuation		Net Transfers In (Out)		Fair Value at June 30, 2021
Equity securities:
Nonredeemable preferred stocks:
Financials	$	10.0	$	0	$	60.2	$	0	$	0	$	6.2	$	0	$	76.4
Industrials	16.7		0		5.0		(5.0)		(4.5)		22.2		0		34.4
Common equities:
Common stocks	25.0		0		0		0		0		27.5		0		52.5
Other risk investments	3.1		8.5		0		0		0		0		0		11.6
Total Level 3 securities	$	54.8	$	8.5	$	65.2	$	(5.0)	$	(4.5)	$	55.9	$	0	$	174.9

Fair Value Measurement Inputs and Valuation Techniques

The following tables provide a summary of the quantitative information about Level 3 fair value measurements for our applicable securities at June 30, 2022 and 2021, and December 31, 2021:

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at June 30, 2022		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	81.9	Market comparables	Weighted average market capitalization price change %	(47.3)% to (2.2)%	(13.3)	%
Subtotal Level 3 securities	81.9
Pricing exemption securities	18.5
Total Level 3 securities	$	100.4

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at June 30, 2021		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	110.8	Market comparables	Weighted average market capitalization price change %	(8.0)% to 9.9%	4.2	%
Common stocks	52.5		Market comparables	Weighted average market capitalization price change %	(12.1)% to 24.5%	12.1	%
Subtotal Level 3 securities	163.3
Pricing exemption securities	11.6
Total Level 3 securities	$	174.9

Note: The table was updated to agree with the current year presentation and to reflect the purchase of a nonredeemable preferred stock security in the second quarter 2020 that was subject to an automatic conversion to common stock during third quarter 2020.

	Quantitative Information about Level 3 Fair Value Measurements
($ in millions)	Fair Value at Dec. 31, 2021		Valuation Technique	Unobservable Input	Range of Input Values Increase (Decrease)	Weighted Average Increase (Decrease)
Equity securities:
Nonredeemable preferred stocks	$	110.8	Market comparables	Weighted average market capitalization price change %	(20.2)% to (2.3)%	(7.7)%
Subtotal Level 3 securities	110.8
Pricing exemption securities	16.9
Total Level 3 securities	$	127.7

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Debt (Tables)

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Debt Table

Debt at each of the balance sheet periods consisted of:

	June 30, 2022				June 30, 2021				December 31, 2021
(millions)	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value
3.75% Senior Notes due 2021 (issued: $500.0, August 2011)	$	0	$	0	$	499.9	$	502.5	$	0	$	0
2.45% Senior Notes due 2027 (issued: $500.0, August 2016)	497.9		471.3		497.5		529.9		497.7		517.9
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)	497.2		472.6		0		0		0		0
6 5/8% Senior Notes due 2029 (issued: $300.0, March 1999)	297.3		340.6		297.0		396.1		297.2		388.2
4.00% Senior Notes due 2029 (issued: $550.0, October 2018)	546.2		543.3		545.7		631.5		545.9		621.0
3.20% Senior Notes due 2030 (issued: $500.0, March 2020)	496.7		463.0		496.3		549.0		496.5		536.3
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)	495.7		448.3		0		0		0		0
6.25% Senior Notes due 2032 (issued: $400.0, November 2002)	396.3		459.2		396.1		553.7		396.2		547.9
4.35% Senior Notes due 2044 (issued: $350.0, April 2014)	346.9		324.6		346.8		434.8		346.8		428.4
3.70% Senior Notes due 2045 (issued: $400.0, January 2015)	395.7		332.4		395.6		458.1		395.6		447.1
4.125% Senior Notes due 2047 (issued: $850.0, April 2017)	842.0		769.3		841.8		1,041.4		841.9		1,029.3
4.20% Senior Notes due 2048 (issued: $600.0, March 2018)	590.3		550.5		590.1		747.0		590.2		741.3
3.95% Senior Notes due 2050 (issued: $500.0, March 2020)	490.9		437.8		490.7		602.7		490.8		600.0
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)	493.4		416.0		0		0		0		0
Total	$	6,386.5	$	6,028.9	$	5,397.5	$	6,446.7	$	4,898.8	$	5,857.4

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Loss and Loss Adjustment Expense Reserves (Tables)

6 Months Ended

Jun. 30, 2022

Loss and Loss Adjustment Expenses Reserves [Abstract]

Schedule of Liability for Unpaid Claims and Claims Adjustment Expense

Activity in the loss and loss adjustment expense reserves is summarized as follows:

	June 30,
(millions)	2022		2021
Balance at January 1	$	26,164.1	$	20,265.8
Less reinsurance recoverables on unpaid losses	4,733.6		3,798.2
Net balance at January 1	21,430.5		16,467.6
Net loss and loss adjustment expense reserves acquired1	0		732.5
Total beginning reserves	21,430.5		17,200.1
Incurred related to:
Current year	18,134.6		15,319.9
Prior years	144.9		197.0
Total incurred	18,279.5		15,516.9
Paid related to:
Current year	9,298.3		7,849.6
Prior years	7,284.3		5,436.7
Total paid	16,582.6		13,286.3
Net balance at June 30	23,127.4		19,430.7
Plus reinsurance recoverables on unpaid losses	4,684.6		4,464.9
Balance at June 30	$	27,812.0	$	23,895.6

1 Net reserves acquired in the Protective Insurance acquisition.

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Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2022

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Information, Non Cash Activity

Non-cash activity included the following in the respective periods:

	Six Months Ended June 30,
(millions)	2022		2021
Common share dividends1	$	58.5	$	58.5
Operating lease liabilities2	22.5		55.9

1 Declared but unpaid. See Note 9 – Dividends for further discussion.

2 From obtaining right-of-use assets.

Supplemental Cash Flow Information Table

We paid the following in the respective periods: 

	Six Months Ended June 30,
(millions)	2022		2021
Income taxes	$	363.2	$	574.1
Interest	102.6		112.0
Operating lease liabilities	41.8		44.8

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Segment Information (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Reconciliation of Revenue and operating Income from Segments to Consolidated

Following are the operating results for the respective periods:

	Three Months Ended June 30,								Six Months Ended June 30,
	2022				2021				2022				2021
(millions)	Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)		Revenues		Pretax Profit (Loss)
Personal Lines
Agency	$	4,366.5	$	260.3	$	4,220.3	$	207.5	$	8,689.8	$	548.9	$	8,318.5	$	755.0
Direct	4,905.9		198.4		4,633.9		128.4		9,699.5		348.8		9,065.6		543.0
Total Personal Lines1	9,272.4		458.7		8,854.2		335.9		18,389.3		897.7		17,384.1		1,298.0
Commercial Lines	2,304.4		243.0		1,621.8		130.1		4,431.6		445.4		3,039.6		358.6
Property2	570.5		(156.9)		502.3		(83.3)		1,128.6		(148.6)		974.8		(154.0)
Other indemnity3	0.6		(6.3)		4.0		0.1		1.3		(7.2)		4.0		0.1
Total underwriting operations	12,147.9		538.5		10,982.3		382.8		23,950.8		1,187.3		21,402.5		1,502.7
Fees and other revenues4	176.5		NA		176.2		NA		350.5		NA		341.9		NA
Service businesses	80.1		4.6		74.5		6.6		147.8		9.1		128.3		11.1
Investments5	(885.3)		(891.2)		672.5		666.2		(1,088.4)		(1,100.0)		1,478.0		1,466.1
Interest expense	NA		(63.0)		NA		(56.4)		NA		(117.3)		NA		(112.8)
Property - Goodwill impairment2	NA		(224.8)		NA		0		NA		(224.8)		NA		0
Consolidated total	$	11,519.2	$	(635.9)	$	11,905.5	$	999.2	$	23,360.7	$	(245.7)	$	23,350.7	$	2,867.1

NA = Not applicable

1 Personal auto products accounted for 94% of the total Personal Lines segment net premiums earned during the three and six months ended June 30, 2022 and 2021; our special lines products (e.g., motorcycles, ATVs, RVs, watercraft, and snowmobiles) accounted for the balance of the Personal Lines net premiums earned.

2 The total pretax loss, including goodwill impairment, for the Property segment was $381.7 million and $373.4 million for the three and six months ended June 30, 2022, respectively. For the three and six months ended June 30, 2022, pretax profit (loss) also included $5.0 million and $19.1 million, respectively, of amortization expense associated with acquisition-related intangible assets attributable to our Property segment, and $14.1 million and $28.3 million for the same periods in 2021.

See Note 12 – Goodwill and Intangible Assets for further discussion.

3 Primarily includes run-off business operations.

4 Pretax profit (loss) for fees and other revenues is allocated to operating segments.

5 Revenues represent recurring investment income and total net realized gains (losses) on securities; pretax profit is net of investment expense.

Underwriting Margins and Combined Ratios for our Underwriting Operations

Following are the underwriting margins and combined ratios for our underwriting operations for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio	Under-writing Margin		Combined Ratio
Personal Lines
Agency	6.0	%	94.0	4.9	%	95.1	6.3	%	93.7	9.1	%	90.9
Direct	4.0		96.0	2.8		97.2	3.6		96.4	6.0		94.0
Total Personal Lines	4.9		95.1	3.8		96.2	4.9		95.1	7.5		92.5
Commercial Lines	10.5		89.5	8.0		92.0	10.1		89.9	11.8		88.2
Property1	(27.5)		127.5	(16.6)		116.6	(13.2)		113.2	(15.8)		115.8
Total underwriting operations	4.4		95.6	3.5		96.5	5.0		95.0	7.0		93.0

1 Included in the three and six months ended June 30, 2022, is 0.9 points and 1.7 points, respectively, of amortization expense associated with intangible assets and 2.8 points and 2.9 points, respectively, for the three and six months ended June 30, 2021.

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Dividends (Tables)

6 Months Ended

Jun. 30, 2022

Dividends [Abstract]

Dividends

Following is a summary of our common and preferred share dividends that were declared and/or paid during the six months ended June 30, 2022 and 2021:

(millions, except per share amounts)		Amount
Declared	Payable	Per Share		Accrued/Paid1
Common - Quarterly Dividends:
May 2022	July 2022	$	0.10	$	58.5
March 2022	April 2022	0.10		58.5
December 2021	January 2022	0.10		58.5
May 2021	July 2021	0.10		58.5
March 2021	April 2021	0.10		58.5
December 2020	January 2021	0.10		58.6
Common - Annual Variable Dividends:
December 2020	January 2021	4.50		2,635.9
Preferred Dividends:
December 2021	March 2022	26.875		13.4
December 2020	March 2021	26.875		13.4

1 The accrual is based on an estimate of common shares outstanding as of the record date and the common share accrual is recorded as a part of accounts payable, accrued expenses, and other liabilities on the consolidated balance sheets.

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Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Components of Other Comprehensive Income (Loss)

The components of other comprehensive income (loss), including reclassification adjustments by income statement line item, were as follows: 

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2022	$	(1,753.4)	$	367.6	$	(1,385.8)	$	(1,370.7)	$	(14.7)	$	(0.4)
Other comprehensive income (loss) before reclassifications:
Investment securities	(1,246.7)		261.8		(984.9)		(984.9)		0		0
Foreign currency translation adjustment	(0.5)		0.1		(0.4)		0		0		(0.4)
Total other comprehensive income (loss) before reclassifications	(1,247.2)		261.9		(985.3)		(984.9)		0		(0.4)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(205.1)		43.0		(162.1)		(162.1)		0		0
Interest expense	0		0		0		0		0		0
Total reclassification adjustment for amounts realized in net income	(205.1)		43.0		(162.1)		(162.1)		0		0
Total other comprehensive income (loss)	(1,042.1)		218.9		(823.2)		(822.8)		0		(0.4)
Balance at June 30, 2022	$	(2,795.5)	$	586.5	$	(2,209.0)	$	(2,193.5)	$	(14.7)	$	(0.8)

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2021	$	504.6	$	(112.3)	$	392.3	$	407.7	$	(15.4)	$	0
Other comprehensive income (loss) before reclassifications:
Investment securities	174.7		(36.7)		138.0		138.0		0		0
Foreign currency translation adjustment	(0.6)		0.1		(0.5)		0		0		(0.5)
Total other comprehensive income (loss) before reclassifications	174.1		(36.6)		137.5		138.0		0		(0.5)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	59.4		(12.5)		46.9		46.9		0		0
Interest expense	(0.3)		0		(0.3)		0		(0.3)		0
Total reclassification adjustment for amounts realized in net income	59.1		(12.5)		46.6		46.9		(0.3)		0
Total other comprehensive income (loss)	115.0		(24.1)		90.9		91.1		0.3		(0.5)
Balance at June 30, 2021	$	619.6	$	(136.4)	$	483.2	$	498.8	$	(15.1)	$	(0.5)
							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2021	$	52.3	$	(11.6)	$	40.7	$	56.2	$	(14.9)	$	(0.6)
Other comprehensive income (loss) before reclassifications:
Investment securities	(3,098.4)		650.7		(2,447.7)		(2,447.7)		0		0
Foreign currency translation adjustment	(0.2)		0		(0.2)		0		0		(0.2)
Total other comprehensive income (loss) before reclassifications	(3,098.6)		650.7		(2,447.9)		(2,447.7)		0		(0.2)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(250.6)		52.6		(198.0)		(198.0)		0		0
Interest expense	(0.2)		0		(0.2)		0		(0.2)		0
Total reclassification adjustment for amounts realized in net income	(250.8)		52.6		(198.2)		(198.0)		(0.2)		0
Total other comprehensive income (loss)	(2,847.8)		598.1		(2,249.7)		(2,249.7)		0.2		(0.2)
Balance at June 30, 2022	$	(2,795.5)	$	586.5	$	(2,209.0)	$	(2,193.5)	$	(14.7)	$	(0.8)

							Components of Changes in Accumulated Other Comprehensive Income (after tax)
(millions)	Pretax total accumulated other comprehensive income (loss)		Total tax (provision) benefit		After tax total accumulated other comprehensive income (loss)		Total net unrealized gains  (losses) on securities		Net unrealized gains (losses) on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2020	$	1,187.4	$	(255.7)	$	931.7	$	947.3	$	(15.6)	$	0
Other comprehensive income (loss) before reclassifications:
Investment securities	(376.7)		79.1		(297.6)		(297.6)		0		0
Foreign currency translation adjustment	(0.6)		0.1		(0.5)		0		0		(0.5)
Total other comprehensive income (loss) before reclassifications	(377.3)		79.2		(298.1)		(297.6)		0		(0.5)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	191.1		(40.2)		150.9		150.9		0		0
Interest expense	(0.6)		0.1		(0.5)		0		(0.5)		0
Total reclassification adjustment for amounts realized in net income	190.5		(40.1)		150.4		150.9		(0.5)		0
Total other comprehensive income (loss)	(567.8)		119.3		(448.5)		(448.5)		0.5		(0.5)
Balance at June 30, 2021	$	619.6	$	(136.4)	$	483.2	$	498.8	$	(15.1)	$	(0.5)

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Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived Intangible Assets

The following table is a summary of the net carrying amount of other intangible assets:

(millions)	June 30, 2022		June 30, 2021		December 31, 2021
Intangible assets subject to amortization	$	84.8	$	134.1	$	104.9
Indefinite-lived intangible assets1	12.4		12.4		12.4
Total	$	97.2	$	146.5	$	117.3

1 Indefinite-lived intangible assets are comprised of state insurance and agent licenses. State insurance licenses were previously subject to amortization under superseded accounting guidance and have $0.6 million of accumulated amortization for all periods presented.

Intangible Assets Subject to Amortization

The following table is a summary of the net carrying amount of other intangible assets:

(millions)	June 30, 2022		June 30, 2021		December 31, 2021
Intangible assets subject to amortization	$	84.8	$	134.1	$	104.9
Indefinite-lived intangible assets1	12.4		12.4		12.4
Total	$	97.2	$	146.5	$	117.3

1 Indefinite-lived intangible assets are comprised of state insurance and agent licenses. State insurance licenses were previously subject to amortization under superseded accounting guidance and have $0.6 million of accumulated amortization for all periods presented.

Intangible assets subject to amortization consisted of the following:

(millions)	June 30, 2022						June 30, 2021						December 31, 2021
Category	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Policies in force	$	0	$	0	$	0	$	256.2	$	228.7	$	27.5	$	256.2	$	247.1	$	9.1
Agency relationships	159.2		82.5		76.7		159.2		71.1		88.1		159.2		76.8		82.4
Software rights	69.1		62.6		6.5		69.1		54.0		15.1		69.1		58.3		10.8
Trade name	3.6		2.0		1.6		3.6		0.2		3.4		3.6		1.0		2.6
Total	$	231.9	$	147.1	$	84.8	$	488.1	$	354.0	$	134.1	$	488.1	$	383.2	$	104.9

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Basis of Presentation - Reporting and Accounting Policies - Allowance for Credit Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Allowance for Credit Loss [Abstract]
Premium Receivable, Allowance for Credit Loss, Beginning Balance	$ 276.2	$ 265.3	$ 280.4	$ 356.2
Allowance acquired during period	0.0	3.5	0.0	3.5
Increase in allowance	95.8	87.4	189.7	148.3
Write-offs	(106.2)	(111.0)	(204.3)	(262.8)
Allowance for credit losses, end of period	$ 265.8	$ 245.2	$ 265.8	$ 245.2

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Basis of Presentation - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Assets held-for-sale	$ 24.9	$ 10.8	$ 57.5

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Investments - Investment Portfolio by Major Security Type (Detail) - USD ($)	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 50,640,600,000	$ 44,736,800,000	$ 44,088,600,000
Gross Unrealized Gains	7,700,000	387,400,000	740,400,000
Gross Unrealized Losses	(2,784,100,000)	(316,000,000.0)	(101,600,000)
Net Holding Period Gains (Losses)	(79,900,000)	7,500,000	14,200,000
Total available-for-sale securities	$ 47,784,300,000	$ 44,815,700,000	$ 44,741,600,000
% of Total Fair Value	92.00%	87.00%	87.80%
Equity securities, at Fair Value
Cost	$ 2,306,100,000	$ 2,835,900,000	$ 2,749,600,000
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	0	0	0
Net Holding Period Gains (Losses)	1,839,100,000	3,862,500,000	3,451,600,000
Fair Value	$ 4,145,200,000	$ 6,698,400,000	$ 6,201,200,000
% of Total Fair Value	8.00%	13.00%	12.20%
Debt and Equity Securities, at Fair Value
Cost	$ 52,946,700,000	$ 47,572,700,000	$ 46,838,200,000
Gross Unrealized Gains	7,700,000	387,400,000	740,400,000
Gross Unrealized Losses	(2,784,100,000)	(316,000,000.0)	(101,600,000)
Net Holding Period Gains (Losses)	1,759,200,000	3,870,000,000	3,465,800,000
Fair Value	$ 51,929,500,000	$ 51,514,100,000	$ 50,942,800,000
% of Total Fair Value	100.00%	100.00%	100.00%
Unsettled security transactions, payable	$ 0	$ 143,400,000	$ 412,100,000
Total fair value of non-insurance subsidiary portfolio	4,900,000,000	4,200,000,000	3,300,000,000
Reclassification, Equity Conversion			52,500,000
Reclassification, Equity Conversion, Cost			25,000,000
Nonredeemable preferred stocks
Equity securities, at Fair Value
Cost	1,522,500,000	1,571,800,000	1,511,200,000
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	0	0	0
Net Holding Period Gains (Losses)	(162,000,000.0)	68,100,000	98,600,000
Fair Value	$ 1,360,500,000	$ 1,639,900,000	$ 1,609,800,000
% of Total Fair Value	2.60%	3.20%	3.20%
Common equities
Equity securities, at Fair Value
Cost	$ 783,600,000	$ 1,264,100,000	$ 1,238,400,000
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	0	0	0
Net Holding Period Gains (Losses)	2,001,100,000	3,794,400,000	3,353,000,000
Fair Value	$ 2,784,700,000	$ 5,058,500,000	$ 4,591,400,000
% of Total Fair Value	5.40%	9.80%	9.00%
Total fixed maturities
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 46,028,800,000	$ 43,794,200,000	$ 42,378,000,000
Gross Unrealized Gains	7,700,000	387,400,000	740,400,000
Gross Unrealized Losses	(2,784,100,000)	(316,000,000.0)	(101,600,000)
Net Holding Period Gains (Losses)	(79,900,000)	7,500,000	14,200,000
Total available-for-sale securities	$ 43,172,500,000	$ 43,873,100,000	$ 43,031,000,000
% of Total Fair Value	83.10%	85.20%	84.50%
Total fixed maturities | U.S. government obligations
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 19,832,300,000	$ 18,586,100,000	$ 19,339,300,000
Gross Unrealized Gains	3,700,000	92,900,000	171,300,000
Gross Unrealized Losses	(1,116,800,000)	(190,800,000)	(72,900,000)
Net Holding Period Gains (Losses)	0	0	0
Total available-for-sale securities	$ 18,719,200,000	$ 18,488,200,000	$ 19,437,700,000
% of Total Fair Value	36.00%	35.90%	38.10%
Total fixed maturities | State and local government obligations
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 2,281,900,000	$ 2,162,600,000	$ 2,379,100,000
Gross Unrealized Gains	600,000	36,700,000	64,700,000
Gross Unrealized Losses	(147,100,000)	(14,000,000.0)	(3,300,000)
Net Holding Period Gains (Losses)	0	0	0
Total available-for-sale securities	$ 2,135,400,000	$ 2,185,300,000	$ 2,440,500,000
% of Total Fair Value	4.10%	4.20%	4.80%
Total fixed maturities | Foreign government obligations
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 17,700,000	$ 17,900,000	$ 12,700,000
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	(1,300,000)	0	0
Net Holding Period Gains (Losses)	0	0	0
Total available-for-sale securities	$ 16,400,000	$ 17,900,000	$ 12,700,000
% of Total Fair Value	0.10%	0.10%	0.10%
Total fixed maturities | Corporate debt securities
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 10,869,600,000	$ 10,526,200,000	$ 10,314,800,000
Gross Unrealized Gains	1,600,000	202,600,000	372,100,000
Gross Unrealized Losses	(655,000,000.0)	(33,400,000)	(9,900,000)
Net Holding Period Gains (Losses)	(48,400,000)	(3,300,000)	1,200,000
Total available-for-sale securities	$ 10,167,800,000	$ 10,692,100,000	$ 10,678,200,000
% of Total Fair Value	19.60%	20.70%	20.90%
Total fixed maturities | Residential mortgage-backed securities
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 826,500,000	$ 787,700,000	$ 666,900,000
Gross Unrealized Gains	500,000	2,300,000	4,600,000
Gross Unrealized Losses	(10,700,000)	(600,000)	(1,100,000)
Net Holding Period Gains (Losses)	(17,000,000.0)	600,000	900,000
Total available-for-sale securities	$ 799,300,000	$ 790,000,000.0	$ 671,300,000
% of Total Fair Value	1.50%	1.50%	1.30%
Total fixed maturities | Commercial mortgage-backed securities
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 6,739,400,000	$ 6,561,000,000	$ 5,628,200,000
Gross Unrealized Gains	1,200,000	38,900,000	91,400,000
Gross Unrealized Losses	(646,000,000.0)	(64,300,000)	(11,500,000)
Net Holding Period Gains (Losses)	0	0	0
Total available-for-sale securities	$ 6,094,600,000	$ 6,535,600,000	$ 5,708,100,000
% of Total Fair Value	11.70%	12.70%	11.20%
Total fixed maturities | Other asset-backed securities
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 5,239,400,000	$ 4,981,800,000	$ 3,865,900,000
Gross Unrealized Gains	100,000	13,300,000	34,600,000
Gross Unrealized Losses	(201,700,000)	(12,400,000)	(1,500,000)
Net Holding Period Gains (Losses)	(1,800,000)	(400,000)	0
Total available-for-sale securities	$ 5,036,000,000	$ 4,982,300,000	$ 3,899,000,000
% of Total Fair Value	9.70%	9.70%	7.70%
Total fixed maturities | Redeemable preferred stocks
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 222,000,000.0	$ 170,900,000	$ 171,100,000
Gross Unrealized Gains	0	700,000	1,700,000
Gross Unrealized Losses	(5,500,000)	(500,000)	(1,400,000)
Net Holding Period Gains (Losses)	(12,700,000)	10,600,000	12,100,000
Total available-for-sale securities	$ 203,800,000	$ 181,700,000	$ 183,500,000
% of Total Fair Value	0.40%	0.40%	0.40%
Short-term investments
Debt Securities, Available-for-Sale, at Fair Value
Cost	$ 4,611,800,000	$ 942,600,000	$ 1,710,600,000
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	0	0	0
Net Holding Period Gains (Losses)	0	0	0
Total available-for-sale securities	$ 4,611,800,000	$ 942,600,000	$ 1,710,600,000
% of Total Fair Value	8.90%	1.80%	3.30%

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Investments - Hybrid Securities (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Hybrid Instruments [Line Items]
Hybrid securities	$ 1,316.7	$ 1,235.3	$ 658.9
Corporate debt securities
Hybrid Instruments [Line Items]
Hybrid securities	513.8	479.1	296.7
Residential mortgage-backed securities
Hybrid Instruments [Line Items]
Hybrid securities	604.3	536.2	163.1
Other asset-backed securities
Hybrid Instruments [Line Items]
Hybrid securities	62.3	89.2	66.9
Redeemable preferred stocks
Hybrid Instruments [Line Items]
Hybrid securities	$ 136.3	$ 130.8	$ 132.2

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Investments - Composition of Fixed Maturities by Maturity (Detail) - Total fixed maturities $ in Millions	Jun. 30, 2022 USD ($)
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract]
Less than one year	$ 5,294.8
One to five years	27,925.6
Five to ten years	12,763.0
Ten years or greater	45.4
Cost	46,028.8
Fair Value
Less than one year	5,210.9
One to five years	26,532.2
Five to ten years	11,389.5
Ten years or greater	39.9
Fair Value	$ 43,172.5

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Investments - Gross Unrealized losses by Major Security (Detail) $ in Millions	Jun. 30, 2022 USD ($) security	Dec. 31, 2021 USD ($) security	Jun. 30, 2021 USD ($) security
Number of Securities
Total | security	1,525	806	697
Less than 12 Months | security	1,407	781	653
12 Months or Greater | security	118	25	44
Fair Value
Total	$ 40,278.0	$ 26,867.3	$ 14,757.0
Less than 12 Months	36,394.7	25,840.8	13,850.6
12 Months or Greater	3,883.3	1,026.5	906.4
Unrealized Losses
Total	(2,784.1)	(316.0)	(101.6)
Less than 12 Months	(2,384.7)	(281.6)	(91.4)
12 Months or Greater	$ (399.4)	$ (34.4)	$ (10.2)
U.S. government obligations
Number of Securities
Total | security	140	92	59
Less than 12 Months | security	114	85	55
12 Months or Greater | security	26	7	4
Fair Value
Total	$ 17,907.2	$ 14,745.8	$ 10,629.4
Less than 12 Months	15,254.3	13,790.8	10,162.4
12 Months or Greater	2,652.9	955.0	467.0
Unrealized Losses
Total	(1,116.8)	(190.8)	(72.9)
Less than 12 Months	(874.0)	(158.5)	(66.8)
12 Months or Greater	$ (242.8)	$ (32.3)	$ (6.1)
State and local government obligations
Number of Securities
Total | security	331	127	81
Less than 12 Months | security	318	122	72
12 Months or Greater | security	13	5	9
Fair Value
Total	$ 1,954.9	$ 954.2	$ 436.2
Less than 12 Months	1,816.1	927.3	400.0
12 Months or Greater	138.8	26.9	36.2
Unrealized Losses
Total	(147.1)	(14.0)	(3.3)
Less than 12 Months	(126.1)	(13.1)	(2.6)
12 Months or Greater	$ (21.0)	$ (0.9)	$ (0.7)
Foreign government obligations
Number of Securities
Total | security	1
Less than 12 Months | security	1
12 Months or Greater | security	0
Fair Value
Total	$ 16.4
Less than 12 Months	16.4
12 Months or Greater	0.0
Unrealized Losses
Total	(1.3)
Less than 12 Months	(1.3)
12 Months or Greater	$ 0.0
Corporate debt securities
Number of Securities
Total | security	466	220	292
Less than 12 Months | security	435	219	288
12 Months or Greater | security	31	1	4
Fair Value
Total	$ 9,174.2	$ 3,496.6	$ 1,142.5
Less than 12 Months	8,843.2	3,491.7	1,065.2
12 Months or Greater	331.0	4.9	77.3
Unrealized Losses
Total	(655.0)	(33.4)	(9.9)
Less than 12 Months	(612.0)	(33.3)	(9.5)
12 Months or Greater	$ (43.0)	$ (0.1)	$ (0.4)
Residential mortgage-backed securities
Number of Securities
Total | security	39	20	77
Less than 12 Months | security	32	14	64
12 Months or Greater | security	7	6	13
Fair Value
Total	$ 183.7	$ 138.6	$ 192.2
Less than 12 Months	172.1	135.4	172.4
12 Months or Greater	11.6	3.2	19.8
Unrealized Losses
Total	(10.7)	(0.6)	(1.1)
Less than 12 Months	(8.8)	(0.5)	(0.7)
12 Months or Greater	$ (1.9)	$ (0.1)	$ (0.4)
Commercial mortgage-backed securities
Number of Securities
Total | security	254	168	68
Less than 12 Months | security	234	165	61
12 Months or Greater | security	20	3	7
Fair Value
Total	$ 6,058.4	$ 4,315.4	$ 1,272.0
Less than 12 Months	5,624.1	4,295.0	1,006.9
12 Months or Greater	434.3	20.4	265.1
Unrealized Losses
Total	(646.0)	(64.3)	(11.5)
Less than 12 Months	(569.8)	(63.9)	(10.5)
12 Months or Greater	$ (76.2)	$ (0.4)	$ (1.0)
Other asset-backed securities
Number of Securities
Total | security	289	178	119
Less than 12 Months | security	269	176	113
12 Months or Greater | security	20	2	6
Fair Value
Total	$ 4,915.7	$ 3,204.7	$ 1,073.6
Less than 12 Months	4,611.8	3,200.6	1,043.7
12 Months or Greater	303.9	4.1	29.9
Unrealized Losses
Total	(201.7)	(12.4)	(1.5)
Less than 12 Months	(188.9)	(12.3)	(1.3)
12 Months or Greater	$ (12.8)	$ (0.1)	$ (0.2)
Redeemable preferred stocks
Number of Securities
Total | security	5	1	1
Less than 12 Months | security	4	0	0
12 Months or Greater | security	1	1	1
Fair Value
Total	$ 67.5	$ 12.0	$ 11.1
Less than 12 Months	56.7	0.0	0.0
12 Months or Greater	10.8	12.0	11.1
Unrealized Losses
Total	(5.5)	(0.5)	(1.4)
Less than 12 Months	(3.8)	0.0	0.0
12 Months or Greater	$ (1.7)	$ (0.5)	$ (1.4)

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Investments - Components of Net Realized Gains (Losses) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	$ 3.9	$ 76.8	$ 11.9	$ 224.8
Equity Securities, FV-NI, Gross Realized Gains on Sales	830.8	351.4	848.6	369.8
Debt and Equity Securities, Gross Realized Gains on Sales	834.7	428.2	860.5	594.6
Debt Securities, Available-for-Sale, Realized Loss	(210.5)	(13.8)	(288.5)	(36.4)
Equity Securities, FV-NI, Gross Realized Losses on Sales	(77.6)	(4.3)	(79.9)	(4.3)
Debt and Equity Securities, Gross Realized Losses on Sales	(288.1)	(18.1)	(368.4)	(40.7)
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	(206.6)	63.0	(276.6)	188.4
Equity Securities, FV-NI, Net Realized Gain (Loss) on Sales	753.2	347.1	768.7	365.5
Net realized gains (losses) on security sales	546.6	410.1	492.1	553.9
Unrealized Gain (Loss) on Hybrid Instrument, Net	(48.4)	9.9	(87.4)	(1.0)
Equity Securities, FV-NI, Unrealized Gain (Loss)	(1,673.8)	44.3	(2,023.4)	496.7
Net holding period gains (losses) on securities	(1,722.2)	54.2	(2,110.8)	495.7
Net impairment losses recognized in earnings	(2.1)	(2.5)	(4.3)	(2.5)
Total net realized gains (losses) on securities	(1,177.7)	461.8	(1,623.0)	1,047.1
Other Assets
Gain (Loss) on Securities [Line Items]
Net impairment losses recognized in earnings	(2.1)	(2.5)	(4.3)	(2.5)
U.S. government obligations
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	1.3	11.3	4.6	77.9
Debt Securities, Available-for-Sale, Realized Loss	(164.3)	(6.9)	(233.5)	(26.5)
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	(163.0)	4.4	(228.9)	51.4
State and local government obligations
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	0.0	14.1	0.0	44.3
Debt Securities, Available-for-Sale, Realized Loss	0.0	(2.8)	(1.0)	(3.0)
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	0.0	11.3	(1.0)	41.3
Corporate debt securities
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	2.0	40.1	6.5	60.8
Debt Securities, Available-for-Sale, Realized Loss	(30.1)	(3.3)	(37.8)	(5.4)
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	(28.1)	36.8	(31.3)	55.4
Residential mortgage-backed securities
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	0.6	0.3	0.7	0.3
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	0.6	0.3	0.7	0.3
Commercial mortgage-backed securities
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	0.0	9.5	0.0	39.3
Debt Securities, Available-for-Sale, Realized Loss	(13.8)	(0.5)	(13.8)	(1.1)
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	(13.8)	9.0	(13.8)	38.2
Other asset-backed securities
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	0.0	0.0	0.1	0.7
Debt Securities, Available-for-Sale, Realized Loss	(2.0)	(0.3)	(2.1)	(0.4)
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	(2.0)	(0.3)	(2.0)	0.3
Redeemable preferred stocks
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Gross Realized Gains on Sales	0.0	1.5	0.0	1.5
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	0.0	1.5	0.0	1.5
Nonredeemable preferred stocks
Gain (Loss) on Securities [Line Items]
Equity Securities, FV-NI, Gross Realized Gains on Sales	0.2	6.4	17.5	23.7
Equity Securities, FV-NI, Gross Realized Losses on Sales	(0.2)	(0.4)	(1.9)	(0.4)
Equity Securities, FV-NI, Net Realized Gain (Loss) on Sales	0.0	6.0	15.6	23.3
Common equities
Gain (Loss) on Securities [Line Items]
Equity Securities, FV-NI, Gross Realized Gains on Sales	830.6	345.0	831.1	346.1
Equity Securities, FV-NI, Gross Realized Losses on Sales	(77.4)	(3.9)	(78.0)	(3.9)
Equity Securities, FV-NI, Net Realized Gain (Loss) on Sales	753.2	341.1	753.1	342.2
Short-term investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-Sale, Realized Loss	(0.3)	0.0	(0.3)	0.0
Debt Securities, Available-for-Sale, Realized Gain (Loss) on Sales, Excluding Other-than-Temporary Impairment	$ (0.3)	$ 0.0	$ (0.3)	$ 0.0

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Investments - Components of Equity Realized Gains (Losses) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Investments, Debt and Equity Securities [Abstract]
Realized Investment Gains (Losses)	$ (920.6)	$ 391.4	$ (1,254.7)	$ 862.2
Equity Securities, FV-NI, Net Realized Gain (Loss) on Sales	753.2	347.1	768.7	365.5
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ (1,673.8)	$ 44.3	$ (2,023.4)	$ 496.7

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Investments - Components of Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Investment Income [Line Items]
Gross investment income	$ 292.4	$ 210.7	$ 534.6	$ 430.9
Investment expenses	(5.9)	(6.3)	(11.6)	(11.9)
Net Investment Income	286.5	204.4	523.0	419.0
Available-for-sale Securities
Net Investment Income [Line Items]
Gross investment income	256.5	177.4	461.4	365.5
Total equity securities
Net Investment Income [Line Items]
Gross investment income	35.9	33.3	73.2	65.4
Total equity securities | Nonredeemable preferred stocks
Net Investment Income [Line Items]
Gross investment income	18.1	17.3	36.3	35.2
Total equity securities | Common equities
Net Investment Income [Line Items]
Gross investment income	17.8	16.0	36.9	30.2
Total fixed maturities
Net Investment Income [Line Items]
Gross investment income	252.1	176.7	456.6	363.3
Total fixed maturities | U.S. government obligations
Net Investment Income [Line Items]
Gross investment income	67.9	37.4	119.3	67.8
Total fixed maturities | State and local government obligations
Net Investment Income [Line Items]
Gross investment income	10.3	11.5	19.5	24.9
Total fixed maturities | Foreign government obligations
Net Investment Income [Line Items]
Gross investment income	0.0	0.0	0.1	0.0
Total fixed maturities | Corporate debt securities
Net Investment Income [Line Items]
Gross investment income	75.5	73.2	143.6	158.4
Total fixed maturities | Residential mortgage-backed securities
Net Investment Income [Line Items]
Gross investment income	9.6	2.8	14.4	6.2
Total fixed maturities | Commercial mortgage-backed securities
Net Investment Income [Line Items]
Gross investment income	46.5	34.4	89.8	70.2
Total fixed maturities | Other asset-backed securities
Net Investment Income [Line Items]
Gross investment income	39.3	15.1	64.4	31.0
Total fixed maturities | Redeemable preferred stocks
Net Investment Income [Line Items]
Gross investment income	3.0	2.3	5.5	4.8
Short-term investments
Net Investment Income [Line Items]
Gross investment income	$ 4.4	$ 0.7	$ 4.8	$ 2.2

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Investments - Additional Information (Detail)	1 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($)	Jun. 30, 2022 USD ($) security	Jun. 30, 2022 USD ($) security	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Schedule of Debt and Equity Securities [Line Items]
Principal amount of bonds and certificates of deposit		$ 468,900,000	$ 468,900,000
Securities Exceeding 10% of Shareholders' Equity		0	0	$ 0	$ 0
Non-Income Producing Securities		0	0
Open reverse repurchase commitments		0	0	0	0
Securities Sold under Agreements to Repurchase		0	0	0	0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value, Downgraded in Period		18,300,000	18,300,000
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Downgraded in Period		2,100,000	2,100,000
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded			0	0
Debt Securities, Available-for-sale, Allowance for Credit Loss		$ 0	0	0	0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Writeoff			$ 0	$ 0	$ 0
Percent Change in Investment Income		39.00%	24.00%
Proceeds from Debt, Net of Issuance Costs	$ 1,486,000,000
Percent Change in Book Yield		19.00%	7.00%
Corporate debt securities
Schedule of Debt and Equity Securities [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Downgraded | security		2	2
Residential mortgage-backed securities
Schedule of Debt and Equity Securities [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Downgraded | security		1	1

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Fair Value - Composition of Investment Portfolio by Major Security Type (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	$ 51,929.5	$ 51,514.1	$ 50,942.8
Fair Value	6,028.9	5,857.4	6,446.7
Available-for-sale Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	47,784.3	44,815.7	44,741.6
Available-for-sale Securities | Total fixed maturities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	43,172.5	43,873.1	43,031.0
Available-for-sale Securities | Total fixed maturities | Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	31,038.8	31,383.5	32,569.1
Available-for-sale Securities | Total fixed maturities | Debt Securities | U.S. government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18,719.2	18,488.2	19,437.7
Available-for-sale Securities | Total fixed maturities | Debt Securities | State and local government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,135.4	2,185.3	2,440.5
Available-for-sale Securities | Total fixed maturities | Debt Securities | Foreign government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	16.4	17.9	12.7
Available-for-sale Securities | Total fixed maturities | Debt Securities | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	10,167.8	10,692.1	10,678.2
Available-for-sale Securities | Total fixed maturities | Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	11,929.9	12,307.9	10,278.4
Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	799.3	790.0	671.3
Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	6,094.6	6,535.6	5,708.1
Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Other asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	5,036.0	4,982.3	3,899.0
Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	203.8	181.7	183.5
Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	58.7	50.9	51.3
Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	8.8	0.0	0.0
Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	136.3	130.8	132.2
Available-for-sale Securities | Short-term investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	4,611.8	942.6	1,710.6
Total equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	4,145.2	6,698.4	6,201.2
Total equity securities | Nonredeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,360.5	1,639.9	1,609.8
Total equity securities | Nonredeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,252.4	1,497.4	1,507.3
Total equity securities | Nonredeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	67.3	82.9	42.5
Total equity securities | Nonredeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	40.8	59.6	60.0
Total equity securities | Common equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,784.7	5,058.5	4,591.4
Total equity securities | Common equities | Common Stocks, excluding Other Risk
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,766.2	5,041.6	4,579.8
Total equity securities | Common equities | Other risk investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18.5	16.9	11.6
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	26,083.5	24,548.2	25,754.0
Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	23,278.9	19,441.3	21,128.3
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18,729.1	18,498.9	19,448.5
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18,719.2	18,488.2	19,437.7
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Debt Securities | U.S. government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18,719.2	18,488.2	19,437.7
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Debt Securities | State and local government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Debt Securities | Foreign government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Debt Securities | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Other asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	9.9	10.7	10.8
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	9.9	10.7	10.8
Fair Value, Inputs, Level 1 | Available-for-sale Securities | Short-term investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	4,549.8	942.4	1,679.8
Fair Value, Inputs, Level 1 | Total equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,804.6	5,106.9	4,625.7
Fair Value, Inputs, Level 1 | Total equity securities | Nonredeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	87.8	115.3	98.4
Fair Value, Inputs, Level 1 | Total equity securities | Nonredeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	87.8	115.3	98.4
Fair Value, Inputs, Level 1 | Total equity securities | Nonredeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Total equity securities | Nonredeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 1 | Total equity securities | Common equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,716.8	4,991.6	4,527.3
Fair Value, Inputs, Level 1 | Total equity securities | Common equities | Common Stocks, excluding Other Risk
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,716.8	4,991.6	4,527.3
Fair Value, Inputs, Level 1 | Total equity securities | Common equities | Other risk investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	25,745.6	26,838.2	25,013.9
Fair Value	6,028.9	5,857.4	6,446.7
Fair Value, Inputs, Level 2 | Available-for-sale Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	24,505.4	25,374.4	23,613.3
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	24,443.4	25,374.2	23,582.5
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	12,319.6	12,895.3	13,131.4
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Debt Securities | U.S. government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Debt Securities | State and local government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,135.4	2,185.3	2,440.5
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Debt Securities | Foreign government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	16.4	17.9	12.7
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Debt Securities | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	10,167.8	10,692.1	10,678.2
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	11,929.9	12,307.9	10,278.4
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	799.3	790.0	671.3
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	6,094.6	6,535.6	5,708.1
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Other asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	5,036.0	4,982.3	3,899.0
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	193.9	171.0	172.7
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	58.7	50.9	51.3
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	8.8	0.0	0.0
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	126.4	120.1	121.4
Fair Value, Inputs, Level 2 | Available-for-sale Securities | Short-term investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	62.0	0.2	30.8
Fair Value, Inputs, Level 2 | Total equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,240.2	1,463.8	1,400.6
Fair Value, Inputs, Level 2 | Total equity securities | Nonredeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,190.8	1,413.8	1,400.6
Fair Value, Inputs, Level 2 | Total equity securities | Nonredeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,099.7	1,305.7	1,332.5
Fair Value, Inputs, Level 2 | Total equity securities | Nonredeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	67.3	82.9	42.5
Fair Value, Inputs, Level 2 | Total equity securities | Nonredeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	23.8	25.2	25.6
Fair Value, Inputs, Level 2 | Total equity securities | Common equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	49.4	50.0	0.0
Fair Value, Inputs, Level 2 | Total equity securities | Common equities | Common Stocks, excluding Other Risk
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	49.4	50.0	0.0
Fair Value, Inputs, Level 2 | Total equity securities | Common equities | Other risk investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	100.4	127.7	174.9
Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Debt Securities | U.S. government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Debt Securities | State and local government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Debt Securities | Foreign government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Debt Securities | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Other asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Available-for-sale Securities | Short-term investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Total equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	100.4	127.7	174.9
Fair Value, Inputs, Level 3 | Total equity securities | Nonredeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	81.9	110.8	110.8
Fair Value, Inputs, Level 3 | Total equity securities | Nonredeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	64.9	76.4	76.4
Fair Value, Inputs, Level 3 | Total equity securities | Nonredeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	0.0
Fair Value, Inputs, Level 3 | Total equity securities | Nonredeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	17.0	34.4	34.4
Fair Value, Inputs, Level 3 | Total equity securities | Common equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18.5	16.9	64.1
Fair Value, Inputs, Level 3 | Total equity securities | Common equities | Common Stocks, excluding Other Risk
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	0.0	0.0	52.5
Fair Value, Inputs, Level 3 | Total equity securities | Common equities | Other risk investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	18.5	16.9	11.6
Carrying (Reported) Amount, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	52,946.7	47,572.7	46,838.2
Long-term Debt	6,386.5	4,898.8	5,397.5
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	50,640.6	44,736.8	44,088.6
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	46,028.8	43,794.2	42,378.0
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	33,001.5	31,292.8	32,045.9
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Debt Securities | U.S. government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	19,832.3	18,586.1	19,339.3
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Debt Securities | State and local government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,281.9	2,162.6	2,379.1
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Debt Securities | Foreign government obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	17.7	17.9	12.7
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Debt Securities | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	10,869.6	10,526.2	10,314.8
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	12,805.3	12,330.5	10,161.0
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	826.5	787.7	666.9
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	6,739.4	6,561.0	5,628.2
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Asset-backed Securities | Other asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	5,239.4	4,981.8	3,865.9
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	222.0	170.9	171.1
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	62.5	50.7	50.9
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	10.5	0.0	0.0
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Total fixed maturities | Redeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	149.0	120.2	120.2
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities | Short-term investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	4,611.8	942.6	1,710.6
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	2,306.1	2,835.9	2,749.6
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Nonredeemable preferred stocks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,522.5	1,571.8	1,511.2
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Nonredeemable preferred stocks | Financials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	1,402.5	1,451.7	1,431.2
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Nonredeemable preferred stocks | Utilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	79.9	80.0	39.9
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Nonredeemable preferred stocks | Industrials
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	40.1	40.1	40.1
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Common equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	783.6	1,264.1	1,238.4
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Common equities | Common Stocks, excluding Other Risk
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	765.1	1,247.2	1,226.8
Carrying (Reported) Amount, Fair Value Disclosure | Total equity securities | Common equities | Other risk investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value	$ 18.5	$ 16.9	$ 11.6

XML

Fair Value - Summary of Changes in Fair Value Associated with Level 3 Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, beginning balance	$ 115.4	$ 54.8	$ 127.7	$ 54.8
Calls/ Maturities/ Paydowns	(1.6)	8.4	1.1	8.5
Purchases	0.0	65.2	0.0	65.2
Sales	0.0	(5.0)	(15.0)	(5.0)
Net Realized (Gain)/Loss on Sales	0.0	(4.5)	(17.2)	(4.5)
Change in Valuation	(13.4)	56.0	3.8	55.9
Net Transfers In (Out)	0.0	0.0	0.0	0.0
Fair value, ending balance	100.4	174.9	100.4	174.9
Total equity securities | Financials | Nonredeemable preferred stocks
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, beginning balance	61.4	10.0	76.4	10.0
Calls/ Maturities/ Paydowns	0.0	0.0	0.0	0.0
Purchases	0.0	60.2	0.0	60.2
Sales	0.0	0.0	(15.0)	0.0
Net Realized (Gain)/Loss on Sales	0.0	0.0	(17.2)	0.0
Change in Valuation	3.5	6.2	20.7	6.2
Net Transfers In (Out)	0.0	0.0	0.0	0.0
Fair value, ending balance	64.9	76.4	64.9	76.4
Total equity securities | Industrials | Nonredeemable preferred stocks
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, beginning balance	33.9	16.6	34.4	16.7
Calls/ Maturities/ Paydowns	0.0	0.0	(0.5)	0.0
Purchases	0.0	5.0	0.0	5.0
Sales	0.0	(5.0)	0.0	(5.0)
Net Realized (Gain)/Loss on Sales	0.0	(4.5)	0.0	(4.5)
Change in Valuation	(16.9)	22.3	(16.9)	22.2
Net Transfers In (Out)	0.0	0.0	0.0	0.0
Fair value, ending balance	17.0	34.4	17.0	34.4
Total equity securities | Common Stocks, excluding Other Risk | Common equities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, beginning balance		25.0		25.0
Calls/ Maturities/ Paydowns		0.0		0.0
Purchases		0.0		0.0
Sales		0.0		0.0
Net Realized (Gain)/Loss on Sales		0.0		0.0
Change in Valuation		27.5		27.5
Net Transfers In (Out)		0.0		0.0
Fair value, ending balance		52.5		52.5
Total equity securities | Other risk investments | Common equities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, beginning balance	20.1	3.2	16.9	3.1
Calls/ Maturities/ Paydowns	(1.6)	8.4	1.6	8.5
Purchases	0.0	0.0	0.0	0.0
Sales	0.0	0.0	0.0	0.0
Net Realized (Gain)/Loss on Sales	0.0	0.0	0.0	0.0
Change in Valuation	0.0	0.0	0.0	0.0
Net Transfers In (Out)	0.0	0.0	0.0	0.0
Fair value, ending balance	$ 18.5	$ 11.6	$ 18.5	$ 11.6

XML

Fair Value - Summary of Quantitative Information about Level 3 Fair Value Measurements (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments, Fair Value	$ 51,929.5	$ 50,942.8	$ 51,514.1
Fair Value, Inputs, Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments, Fair Value	100.4	174.9	127.7
Fair Value, Inputs, Level 3 | Total Quantitative Level Three Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments, Fair Value	81.9	163.3	110.8
Fair Value, Inputs, Level 3 | Third Party Pricing Exemption Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments, Fair Value	18.5	11.6	16.9
Fair Value, Inputs, Level 3 | Nonredeemable preferred stocks | Total Quantitative Level Three Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments, Fair Value	$ 81.9	$ 110.8	$ 110.8
Fair Value Inputs, Market Cap Price Change Percentage, Weighted Average	(13.30%)	4.20%	(7.70%)
Fair Value Inputs, Market Cap Price Change Percentage, Range, Minimum	(47.30%)	(8.00%)	(20.20%)
Fair Value Inputs, Market Cap Price Change Percentage, Range, Maximum	(2.20%)	9.90%	(2.30%)
Fair Value, Inputs, Level 3 | Common equities | Total Quantitative Level Three Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments, Fair Value		$ 52.5
Fair Value Inputs, Market Cap Price Change Percentage, Weighted Average		12.10%
Fair Value Inputs, Market Cap Price Change Percentage, Range, Minimum		(12.10%)
Fair Value Inputs, Market Cap Price Change Percentage, Range, Maximum		24.50%

XML

Fair Value - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Fair Value Measurements [Line Items]
Investments, Fair Value		$ 51,929.5	$ 50,942.8	$ 51,929.5	$ 50,942.8	$ 51,514.1
Goodwill impairment	[1]	$ 224.8	$ 0.0	$ 224.8	$ 0.0
Fair Value, Inputs, Level 1
Fair Value Measurements [Line Items]
Vendor Quoted Prices, Percent of FV Hierarchy Level		87.00%	81.00%	87.00%	81.00%	79.00%
Investments, Fair Value		$ 26,083.5	$ 25,754.0	$ 26,083.5	$ 25,754.0	$ 24,548.2
Fair Value, Inputs, Level 2
Fair Value Measurements [Line Items]
Vendor Quoted Prices, Percent of FV Hierarchy Level		98.00%	99.00%	98.00%	99.00%	98.00%
Dealer Quoted Prices, Percent of FV Hierarchy Level		2.00%	1.00%	2.00%	1.00%	2.00%
Investments, Fair Value		$ 25,745.6	$ 25,013.9	$ 25,745.6	$ 25,013.9	$ 26,838.2
Fair Value, Inputs, Level 3
Fair Value Measurements [Line Items]
Investments, Fair Value		100.4	174.9	100.4	174.9	127.7
Available-for-sale Securities
Fair Value Measurements [Line Items]
Investments, Fair Value		47,784.3	44,741.6	47,784.3	44,741.6	44,815.7
Available-for-sale Securities | Total fixed maturities
Fair Value Measurements [Line Items]
Investments, Fair Value		43,172.5	43,031.0	43,172.5	43,031.0	43,873.1
Available-for-sale Securities | Fair Value, Inputs, Level 1
Fair Value Measurements [Line Items]
Investments, Fair Value		23,278.9	21,128.3	23,278.9	21,128.3	19,441.3
Available-for-sale Securities | Fair Value, Inputs, Level 1 | Total fixed maturities
Fair Value Measurements [Line Items]
Investments, Fair Value		18,729.1	19,448.5	18,729.1	19,448.5	18,498.9
Available-for-sale Securities | Fair Value, Inputs, Level 2
Fair Value Measurements [Line Items]
Investments, Fair Value		24,505.4	23,613.3	24,505.4	23,613.3	25,374.4
Available-for-sale Securities | Fair Value, Inputs, Level 2 | Total fixed maturities
Fair Value Measurements [Line Items]
Investments, Fair Value		24,443.4	23,582.5	24,443.4	23,582.5	25,374.2
Available-for-sale Securities | Fair Value, Inputs, Level 3
Fair Value Measurements [Line Items]
Investments, Fair Value		0.0	0.0	0.0	0.0	0.0
Available-for-sale Securities | Fair Value, Inputs, Level 3 | Total fixed maturities
Fair Value Measurements [Line Items]
Investments, Fair Value		$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0

[1] See Note 12 – Goodwill and Intangible Assets for further discussion.

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Debt - Summary of Debt (Detail) - USD ($)		Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2020	Oct. 31, 2018	Mar. 31, 2018	Apr. 30, 2017	Aug. 31, 2016	Jan. 31, 2015	Apr. 30, 2014	Aug. 31, 2011	Nov. 30, 2002	Mar. 31, 1999
Debt Instrument [Line Items]
Fair Value		$ 6,028,900,000		$ 5,857,400,000	$ 6,446,700,000
Debt, Long-term and Short-term, Combined Amount	[1]	6,386,500,000		4,898,800,000	5,397,500,000
3.75% Senior Notes due 2021 (issued: $500.0, August 2011)
Debt Instrument [Line Items]
Long-term Debt		0		0	499,900,000
Fair Value		0		0	502,500,000
Debt, stated interest rate													3.75%
Debt, face amount													$ 500,000,000.0
2.45% Senior Notes due 2027 (issued: $500.0, August 2016)
Debt Instrument [Line Items]
Long-term Debt		497,900,000		497,700,000	497,500,000
Fair Value		471,300,000		517,900,000	529,900,000
Debt, stated interest rate										2.45%
Debt, face amount										$ 500,000,000.0
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Long-term Debt		497,200,000		0	0
Fair Value		472,600,000		0	0
Debt, stated interest rate			2.50%
Debt, face amount			$ 500,000,000.0
6 5/8% Senior Notes due 2029 (issued: $300.0, March 1999)
Debt Instrument [Line Items]
Long-term Debt		297,300,000		297,200,000	297,000,000.0
Fair Value		340,600,000		388,200,000	396,100,000
Debt, stated interest rate															6.625%
Debt, face amount															$ 300,000,000.0
4.00% Senior Notes due 2029 (issued: $550.0, October 2018)
Debt Instrument [Line Items]
Long-term Debt		546,200,000		545,900,000	545,700,000
Fair Value		543,300,000		621,000,000.0	631,500,000
Debt, stated interest rate							4.00%
Debt, face amount							$ 550,000,000.0
3.20% Senior Notes due 2030 (issued: $500.0, March 2020)
Debt Instrument [Line Items]
Long-term Debt		496,700,000		496,500,000	496,300,000
Fair Value		463,000,000.0		536,300,000	549,000,000.0
Debt, stated interest rate						3.20%
Debt, face amount						$ 500,000,000.0
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Long-term Debt		495,700,000		0	0
Fair Value		448,300,000		0	0
Debt, stated interest rate			3.00%
Debt, face amount			$ 500,000,000
6.25% Senior Notes due 2032 (issued: $400.0, November 2002)
Debt Instrument [Line Items]
Long-term Debt		396,300,000		396,200,000	396,100,000
Fair Value		459,200,000		547,900,000	553,700,000
Debt, stated interest rate														6.25%
Debt, face amount														$ 400,000,000.0
4.35% Senior Notes due 2044 (issued: $350.0, April 2014)
Debt Instrument [Line Items]
Long-term Debt		346,900,000		346,800,000	346,800,000
Fair Value		324,600,000		428,400,000	434,800,000
Debt, stated interest rate												4.35%
Debt, face amount												$ 350,000,000.0
3.70% Senior Notes due 2045 (issued: $400.0, January 2015)
Debt Instrument [Line Items]
Long-term Debt		395,700,000		395,600,000	395,600,000
Fair Value		332,400,000		447,100,000	458,100,000
Debt, stated interest rate											3.70%
Debt, face amount											$ 400,000,000.0
4.125% Senior Notes due 2047 (issued: $850.0, April 2017)
Debt Instrument [Line Items]
Long-term Debt		842,000,000.0		841,900,000	841,800,000
Fair Value		769,300,000		1,029,300,000	1,041,400,000
Debt, stated interest rate									4.125%
Debt, face amount									$ 850,000,000.0
4.20% Senior Notes due 2048 (issued: $600.0, March 2018)
Debt Instrument [Line Items]
Long-term Debt		590,300,000		590,200,000	590,100,000
Fair Value		550,500,000		741,300,000	747,000,000.0
Debt, stated interest rate								4.20%
Debt, face amount								$ 600,000,000.0
3.95% Senior Notes due 2050 (issued: $500.0, March 2020)
Debt Instrument [Line Items]
Long-term Debt		490,900,000		490,800,000	490,700,000
Fair Value		437,800,000		600,000,000.0	602,700,000
Debt, stated interest rate						3.95%
Debt, face amount						$ 500,000,000.0
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Long-term Debt		493,400,000		0	0
Fair Value		$ 416,000,000.0		$ 0	$ 0
Debt, stated interest rate			3.70%
Debt, face amount			$ 500,000,000

[1] Consists of long-term debt. See Note 4 – Debt for further discussion.

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Debt - Additional Information (Detail) - USD ($)	1 Months Ended	6 Months Ended		12 Months Ended
	Mar. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Aug. 31, 2011
Debt Instrument [Line Items]
Proceeds from Debt, Net of Issuance Costs	$ 1,486,000,000
Long-term Debt, Current Maturities		$ 0	$ 500,000,000	$ 0
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Debt, face amount	$ 500,000,000.0
Debt, stated interest rate	2.50%
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Debt, face amount	$ 500,000,000
Debt, stated interest rate	3.00%
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Debt, face amount	$ 500,000,000
Debt, stated interest rate	3.70%
3.75% Senior Notes due 2021 (issued: $500.0, August 2011)
Debt Instrument [Line Items]
Debt, face amount					$ 500,000,000.0
Debt, stated interest rate					3.75%
Discretionary Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity		250,000,000
Borrowings outstanding		$ 0	$ 0	$ 0

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Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Valuation allowance	$ 0	$ 0	$ 0	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Percent	14.60%	20.90%	6.80%	20.80%
Effective Income Tax Rate Reconciliation Excluding The Impact of Goodwill Impairment, Percent	22.60%		79.90%

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Loss and Loss Adjustment Expense Reserves (Details) - USD ($) $ in Millions			6 Months Ended
	Jan. 01, 2022	Jan. 01, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Liability for Claims and Claims Adjustment Expense [Line Items]
Loss and loss adjustment expense reserves			$ 27,812.0	$ 23,895.6	$ 26,164.1	$ 20,265.8
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments and Liability for Unpaid Claims and Claim Adjustment Expense, Other Reconciling Item			4,684.6	4,464.9	4,733.6	3,798.2
Liability for Unpaid Claims and Claims Adjustment Expense, Net	$ 21,430.5	$ 17,200.1	23,127.4	19,430.7	$ 21,430.5	$ 16,467.6
Liability for Unpaid Claims and Claims Adjustment Expense, Business Acquisitions	$ 0.0	$ 732.5
Current Year Claims and Claims Adjustment Expense			18,134.6	15,319.9
Prior Year Claims and Claims Adjustment Expense			144.9	197.0
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims			18,279.5	15,516.9
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year			9,298.3	7,849.6
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years			7,284.3	5,436.7
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid			16,582.6	13,286.3
Short-Duration Insurance Contract, Accident Year 2021
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense			97.0
Short-Duration Insurance Contract, Accident Year 2020
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense			16.0
Short-Duration Insurance Contract, Accident Year 2019
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense				100.0
Short-Duration Insurance Contract, Accident Years 2018 and Prior
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense				114.0
Personal Lines | Personal auto business
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense			45.0	111.0
Personal Lines | special lines
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense				(7.0)
Commercial Lines
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense			$ 98.0	73.0
Property
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense				20.0
Agency | Personal Lines | Personal auto business
Liability for Claims and Claims Adjustment Expense [Line Items]
Prior Year Claims and Claims Adjustment Expense				$ 67.0

XML

Supplemental Cash Flow Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Open reverse repurchase commitments	$ 0	$ 0	$ 0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	22,500,000	55,900,000
Income Taxes Paid	363,200,000	574,100,000
Interest Paid, Excluding Capitalized Interest, Operating Activities	102,600,000	112,000,000.0
Operating Lease, Payments	41,800,000	44,800,000
Cash and Cash Equivalents
Open reverse repurchase commitments	140,600,000	90,500,000	$ 137,100,000
Common equities | Quarterly dividend
Dividends Payable	$ 58,500,000	$ 58,500,000

XML

Segment Information - Operating Results (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 11,519.2	$ 11,905.5	$ 23,360.7	$ 23,350.7
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(635.9)	999.2	(245.7)	2,867.1
Amortization of intangible assets	5.5	14.3	20.1	28.5
Personal Lines | Agency | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	4,366.5	4,220.3	8,689.8	8,318.5
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	260.3	207.5	548.9	755.0
Personal Lines | Direct | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	4,905.9	4,633.9	9,699.5	9,065.6
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	198.4	128.4	348.8	543.0
Operating Segments | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	12,147.9	10,982.3	23,950.8	21,402.5
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	538.5	382.8	1,187.3	1,502.7
Operating Segments | Personal Lines | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	9,272.4	8,854.2	18,389.3	17,384.1
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 458.7	$ 335.9	$ 897.7	$ 1,298.0
Personal auto insurance percentage of the total personal lines segment net premiums earned	94.00%	94.00%	94.00%	94.00%
Operating Segments | Commercial Lines | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	$ 2,304.4	$ 1,621.8	$ 4,431.6	$ 3,039.6
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	243.0	130.1	445.4	358.6
Operating Segments | Property
Segment Reporting Information [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(381.7)		(373.4)
Operating Segments | Property | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	570.5	502.3	1,128.6	974.8
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(156.9)	(83.3)	(148.6)	(154.0)
Amortization of intangible assets	5.0	14.1	19.1	28.3
Operating Segments | Property | Property - Goodwill impairment
Segment Reporting Information [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(224.8)	0.0	(224.8)	0.0
Operating Segments | Other Indemnity | Underwriting operations
Segment Reporting Information [Line Items]
Revenues	0.6	4.0	1.3	4.0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(6.3)	0.1	(7.2)	0.1
Segment Reconciling Items | Fees and other revenues
Segment Reporting Information [Line Items]
Revenues	176.5	176.2	350.5	341.9
Segment Reconciling Items | Service businesses
Segment Reporting Information [Line Items]
Revenues	80.1	74.5	147.8	128.3
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	4.6	6.6	9.1	11.1
Segment Reconciling Items | Investment income
Segment Reporting Information [Line Items]
Revenues	(885.3)	672.5	(1,088.4)	1,478.0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(891.2)	666.2	(1,100.0)	1,466.1
Segment Reconciling Items | Interest expense
Segment Reporting Information [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (63.0)	$ (56.4)	$ (117.3)	$ (112.8)

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Segment Information - Underwriting Margins and Combined Ratios for our Underwriting Operations (Detail) - Underwriting operations	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Personal Lines | Agency
Segment Reporting Information [Line Items]
Underwriting Margin	6.00%	4.90%	6.30%	9.10%
Combined Ratio	94.00%	95.10%	93.70%	90.90%
Personal Lines | Direct
Segment Reporting Information [Line Items]
Underwriting Margin	4.00%	2.80%	3.60%	6.00%
Combined Ratio	96.00%	97.20%	96.40%	94.00%
Operating Segments
Segment Reporting Information [Line Items]
Underwriting Margin	4.40%	3.50%	5.00%	7.00%
Combined Ratio	95.60%	96.50%	95.00%	93.00%
Operating Segments | Personal Lines
Segment Reporting Information [Line Items]
Underwriting Margin	4.90%	3.80%	4.90%	7.50%
Combined Ratio	95.10%	96.20%	95.10%	92.50%
Operating Segments | Commercial Lines
Segment Reporting Information [Line Items]
Underwriting Margin	10.50%	8.00%	10.10%	11.80%
Combined Ratio	89.50%	92.00%	89.90%	88.20%
Operating Segments | Property
Segment Reporting Information [Line Items]
Underwriting Margin	(27.50%)	(16.60%)	(13.20%)	(15.80%)
Combined Ratio	127.50%	116.60%	113.20%	115.80%
Combined ratio amortization points	0.009	0.028	0.017	0.029

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Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended								3 Months Ended			6 Months Ended
	May 31, 2022	Apr. 30, 2022	Mar. 31, 2022	Jan. 31, 2022	Jul. 31, 2021	Apr. 30, 2021	Mar. 31, 2021	Jan. 31, 2021	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Common Stock, Dividends, Per Share, Declared									$ 0.10		$ 0.10	$ 0.20	$ 0.20
Payments of Ordinary Dividends, Common Stock												$ 117.0	$ 2,753.0
Payments of Ordinary Dividends, Preferred Stock and Preference Stock												13.4	13.4
Quarterly dividend
Common Stock, Dividends, Per Share, Declared	$ 0.10
Common Stock, Dividends, Per Share, Cash Paid		$ 0.10		$ 0.10	$ 0.10	$ 0.10		$ 0.10
Payments of Ordinary Dividends, Common Stock		$ 58.5		$ 58.5	$ 58.5	$ 58.5		$ 58.6
Annual variable dividend
Common Stock, Dividends, Per Share, Cash Paid								$ 4.50		$ 1.50
Payments of Ordinary Dividends, Common Stock								$ 2,635.9		$ 876.5
Series B Preferred Stock
Preferred Stock, Dividends, Per Share, Cash Paid			$ 26.875				$ 26.875
Payments of Ordinary Dividends, Preferred Stock and Preference Stock			$ 13.4				$ 13.4
Common equities | Quarterly dividend
Dividends Payable									$ 58.5		$ 58.5	$ 58.5	$ 58.5

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Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) Including Reclassification Adjustments by Income Statement (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
AOCI before Tax, Attributable to Parent, beginning balance	$ (1,753.4)	$ 504.6	$ 52.3	$ 1,187.4
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax	(1,246.7)	174.7	(3,098.4)	(376.7)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(0.5)	(0.6)	(0.2)	(0.6)
OCI, before Reclassifications, before Tax, Attributable to Parent	(1,247.2)	174.1	(3,098.6)	(377.3)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	(205.1)	59.4	(250.6)	191.1
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	0.0	(0.3)	(0.2)	(0.6)
Total reclassification adjustment for amounts realized in net income, pre tax	(205.1)	59.1	(250.8)	190.5
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(1,042.1)	115.0	(2,847.8)	(567.8)
AOCI before Tax, Attributable to Parent, ending balance	(2,795.5)	619.6	(2,795.5)	619.6
Accumulated Other Comprehensive Income (Loss), Tax [Roll Forward]
AOCI Tax, Attributable to Parent, beginning balance	367.6	(112.3)	(11.6)	(255.7)
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax	261.8	(36.7)	650.7	79.1
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent	(0.1)	(0.1)	0.0	(0.1)
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax	261.9	(36.6)	650.7	79.2
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	43.0	(12.5)	52.6	(40.2)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	0.0	0.0	0.0	(0.1)
Total reclassification adjustment for amounts realized in net income, Total tax (provision) benefit	43.0	(12.5)	52.6	(40.1)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	218.9	(24.1)	598.1	119.3
AOCI Tax, Attributable to Parent, ending balance	586.5	(136.4)	586.5	(136.4)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
After tax total accumulated other comprehensive income, beginning balance	(1,385.8)	392.3	40.7	931.7
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	(984.9)	138.0	(2,447.7)	(297.6)
Foreign currency translation adjustment	(0.4)	(0.5)	(0.2)	(0.5)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(985.3)	137.5	(2,447.9)	(298.1)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	(162.1)	46.9	(198.0)	150.9
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	0.0	(0.3)	(0.2)	(0.5)
Total reclassification adjustment for amounts realized in net income, after tax	(162.1)	46.6	(198.2)	150.4
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(823.2)	90.9	(2,249.7)	(448.5)
After tax total accumulated other comprehensive income, ending balance	(2,209.0)	483.2	(2,209.0)	483.2
Total net unrealized gains (losses) on securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
After tax total accumulated other comprehensive income, beginning balance	(1,370.7)	407.7	56.2	947.3
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	(984.9)	138.0	(2,447.7)	(297.6)
Foreign currency translation adjustment	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(984.9)	138.0	(2,447.7)	(297.6)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	(162.1)	46.9	(198.0)	150.9
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	0.0	0.0	0.0	0.0
Total reclassification adjustment for amounts realized in net income, after tax	(162.1)	46.9	(198.0)	150.9
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(822.8)	91.1	(2,249.7)	(448.5)
After tax total accumulated other comprehensive income, ending balance	(2,193.5)	498.8	(2,193.5)	498.8
Net unrealized gains (losses) on forecasted transactions
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
After tax total accumulated other comprehensive income, beginning balance	(14.7)	(15.4)	(14.9)	(15.6)
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	0.0	0.0	0.0	0.0
Foreign currency translation adjustment	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	0.0	(0.3)	(0.2)	(0.5)
Total reclassification adjustment for amounts realized in net income, after tax	0.0	(0.3)	(0.2)	(0.5)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0.0	0.3	0.2	0.5
After tax total accumulated other comprehensive income, ending balance	(14.7)	(15.1)	(14.7)	(15.1)
Accumulated Foreign Currency Adjustment Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
After tax total accumulated other comprehensive income, beginning balance	(0.4)	0.0	(0.6)	0.0
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	0.0	0.0	0.0	0.0
Foreign currency translation adjustment	(0.4)	(0.5)	(0.2)	(0.5)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(0.4)	(0.5)	(0.2)	(0.5)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	0.0	0.0	0.0	0.0
Total reclassification adjustment for amounts realized in net income, after tax	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(0.4)	(0.5)	(0.2)	(0.5)
After tax total accumulated other comprehensive income, ending balance	$ (0.8)	$ (0.5)	$ (0.8)	$ (0.5)

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Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) Including Reclassification Adjustments by Income Statement, Additional Information (Detail) $ in Millions	Jun. 30, 2022 USD ($)
Statement of Comprehensive Income [Abstract]
Net unrealized losses on forecasted transactions, expected to reclassify into income within the next 12 months	$ 0.5

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Goodwill and Intangible Assets - Net Carrying Amount of Other Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Schedule of Other Intangible Assets [Line Items]
Indefinite lived intangible assets	$ 12.4	$ 12.4	$ 12.4
Total	97.2	117.3	146.5
Accumulated amortization	147.7	383.8	354.6
Licensing Agreements
Schedule of Other Intangible Assets [Line Items]
Accumulated amortization	0.6	0.6	0.6
Finite-Lived Intangible Assets
Schedule of Other Intangible Assets [Line Items]
Intangible assets subject to amortization	84.8	104.9	134.1
Accumulated amortization	$ 147.1	$ 383.2	$ 354.0

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Goodwill and Intangible Assets - Finite-lived Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ 147.7	$ 383.8	$ 354.6
Policies in force
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0.0	256.2	256.2
Accumulated Amortization	0.0	247.1	228.7
Net Carrying Amount	0.0	9.1	27.5
Agency relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	159.2	159.2	159.2
Accumulated Amortization	82.5	76.8	71.1
Net Carrying Amount	76.7	82.4	88.1
Software rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	69.1	69.1	69.1
Accumulated Amortization	62.6	58.3	54.0
Net Carrying Amount	6.5	10.8	15.1
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3.6	3.6	3.6
Accumulated Amortization	2.0	1.0	0.2
Net Carrying Amount	1.6	2.6	3.4
Finite-Lived Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	231.9	488.1	488.1
Accumulated Amortization	147.1	383.2	354.0
Net Carrying Amount	$ 84.8	$ 104.9	$ 134.1

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Goodwill and Intangible Assets - Goodwill (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	[1]	$ 224,800,000	$ 0	$ 224,800,000	$ 0
Goodwill		227,900,000	452,700,000	227,900,000	452,700,000		$ 452,700,000
Amortization of intangible assets		5,500,000	14,300,000	20,100,000	28,500,000
Goodwill, Impaired, Accumulated Impairment Loss		0		$ 0
Property
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment		$ 224,800,000
Personal Lines | Agency
Finite-Lived Intangible Assets [Line Items]
Goodwill Attributable to Reporting Unit, Percent		98.00%		98.00%
Policies in force
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 0	$ 256,200,000	$ 0	$ 256,200,000		$ 256,200,000
Policies in force | Fully Amortized
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount						$ 256,200,000

[1] See Note 12 – Goodwill and Intangible Assets for further discussion.