Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2022

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Components of our accumulated other comprehensive income (loss), after tax, and related changes are as follows:

	Net Unrealized Gain (Loss) on Securities		Net Gain (Loss) on Hedges		Foreign Currency Translation Adjustment		Unrecognized Pension and Postretirement Benefit Costs		Total
	(in millions of dollars)
Balances at December 31, 2019	$	615.9	$	187.8	$	(281.6)	$	(484.8)	$	37.3
Other Comprehensive Income (Loss) Before Reclassifications	405.6		(5.7)		20.3		(60.8)		359.4
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	46.2		(84.3)		—		15.6		(22.5)
Net Other Comprehensive Income (Loss)	451.8		(90.0)		20.3		(45.2)		336.9
Balances at December 31, 2020	1,067.7		97.8		(261.3)		(530.0)		374.2
Other Comprehensive Income (Loss) Before Reclassifications	(169.9)		14.7		(12.6)		116.3		(51.5)
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	64.4		(50.7)		—		17.7		31.4
Net Other Comprehensive Income (Loss)	(105.5)		(36.0)		(12.6)		134.0		(20.1)
Balances at December 31, 2021	962.2		61.8		(273.9)		(396.0)		354.1
Other Comprehensive Income (Loss) Before Reclassifications	(3,009.2)		(30.4)		(115.2)		49.7		(3,105.1)
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	23.2		(41.0)		—		12.2		(5.6)
Net Other Comprehensive Income (Loss)	(2,986.0)		(71.4)		(115.2)		61.9		(3,110.7)
Balances at December 31, 2022	$	(2,023.8)	$	(9.6)	$	(389.1)	$	(334.1)	$	(2,756.6)

Schedule of Components of Unrealized Gain (Loss) on Securities

The net unrealized gain (loss) on securities consists of the following components:

	December 31								Change for the Year Ended December 31
	2022		2021		2020		2019		2022		2021		2020
	(in millions of dollars)
Fixed Maturity Securities	$	(2,984.4)	$	5,949.3	$	7,597.6	$	6,364.4	$	(8,933.7)	$	(1,648.3)	$	1,233.2
Deferred Acquisition Costs	11.3		(70.4)		(85.1)		(62.7)		81.7		14.7		(22.4)
Reserves for Future Policy and Contract Benefits	566.7		(4,659.5)		(6,225.6)		(5,803.1)		5,226.2		1,566.1		(422.5)
Reinsurance Recoverable	(18.1)		132.1		200.2		424.7		(150.2)		(68.1)		(224.5)
Income Tax	400.7		(389.3)		(419.4)		(307.4)		790.0		30.1		(112.0)
Total	$	(2,023.8)	$	962.2	$	1,067.7	$	615.9	$	(2,986.0)	$	(105.5)	$	451.8

Schedule of Reclassification out of Accumulated Other Comprehensive Income (Loss)

Amounts reclassified from accumulated other comprehensive income (loss) were recognized in our consolidated statements of income as follows:

	Year Ended December 31
	2022		2021		2020
	(in millions of dollars)
Net Unrealized Loss on Securities
Net Investment Gain (Loss)
Gain (Loss) on Sales on Securities	$	(24.8)	$	60.8	$	1,279.7
Credit Losses on Fixed Maturity Securities	(4.6)		(9.3)		(53.6)
Loss on Benefits and Change in Reserves for Future Benefits	—		(133.1)		(1,284.5)
	(29.4)		(81.6)		(58.4)
Income Tax Benefit	(6.2)		(17.2)		(12.2)
Total	$	(23.2)	$	(64.4)	$	(46.2)
Net Gain (Loss) on Hedges
Net Investment Income
Gain on Interest Rate Swaps and Forwards	$	51.1	$	60.6	$	74.1
Gain (Loss) on Foreign Exchange Contracts	(1.0)		1.7		2.0
Net Investment Gain (Loss)
Gain on Interest Rate Swaps	—		2.0		32.0
Gain (Loss) on Foreign Exchange Contracts	1.8		(0.1)		0.1
Interest and Debt Expense
Loss on Interest Rate Swaps	—		—		(1.5)
	51.9		64.2		106.7
Income Tax Expense	10.9		13.5		22.4
Total	$	41.0	$	50.7	$	84.3
Unrecognized Pension and Postretirement Benefit Costs
Other Expenses
Amortization of Net Actuarial Loss	$	(15.7)	$	(22.6)	$	(19.8)
Amortization of Prior Service Credit	0.2		0.2		0.1
Curtailment Gain	—		—		(0.1)
	(15.5)		(22.4)		(19.8)
Income Tax Benefit	(3.3)		(4.7)		(4.2)
Total	$	(12.2)	$	(17.7)	$	(15.6)