Accumulated Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2025

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

Accumulated Other Comprehensive Income (Loss)

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

	Net Unrealized Loss on Securities		Effect of Change in Discount Rate Assumptions on the LFPB1		Net Loss on Derivatives		Foreign Currency Translation Adjustment		Unrecognized Pension and Postretirement Benefit Costs		Total
	(in millions of dollars)
Balance at June 30, 2025	$	(2,253.7)	$	1,058.9	$	(285.0)	$	(220.7)	$	(340.2)	$	(2,040.7)
Other Comprehensive Income (Loss) Before Reclassifications	375.8		(402.3)		20.9		(25.4)		1.6		(29.4)
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	(100.3)		—		(0.1)		—		3.2		(97.2)
Net Other Comprehensive Income (Loss)	275.5		(402.3)		20.8		(25.4)		4.8		(126.6)
Balance at September 30, 2025	$	(1,978.2)	$	656.6	$	(264.2)	$	(246.1)	$	(335.4)	$	(2,167.3)
Balance at June 30, 2024	$	(2,723.8)	$	712.3	$	(164.6)	$	(328.4)	$	(341.7)	$	(2,846.2)
Other Comprehensive Income (Loss) Before Reclassifications	1,225.8		(1,239.3)		58.8		68.5		(4.2)		109.6
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	6.8		—		(3.1)		—		3.2		6.9
Net Other Comprehensive Income (Loss)	1,232.6		(1,239.3)		55.7		68.5		(1.0)		116.5
Balance at September 30, 2024	$	(1,491.2)	$	(527.0)	$	(108.9)	$	(259.9)	$	(342.7)	$	(2,729.7)
Balance at December 31, 2024	$	(2,755.2)	$	1,185.4	$	(270.7)	$	(343.0)	$	(340.2)	$	(2,523.7)
Other Comprehensive Income (Loss) Before Reclassifications	695.0		(528.8)		10.1		96.9		(4.8)		268.4
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	82.0		—		(3.6)		—		9.6		88.0
Net Other Comprehensive Income (Loss)	777.0		(528.8)		6.5		96.9		4.8		356.4
Balance at September 30, 2025	$	(1,978.2)	$	656.6	$	(264.2)	$	(246.1)	$	(335.4)	$	(2,167.3)
Balance at December 31, 2023	$	(1,919.1)	$	(648.4)	$	(73.7)	$	(321.1)	$	(345.7)	$	(3,308.0)
Other Comprehensive Income (Loss) Before Reclassifications	401.1		121.4		(24.3)		61.2		(6.6)		552.8
Amounts Reclassified from Accumulated Other Comprehensive Income or Loss	26.8		—		(10.9)		—		9.6		25.5
Net Other Comprehensive Income (Loss)	427.9		121.4		(35.2)		61.2		3.0		578.3
Balance at September 30, 2024	$	(1,491.2)	$	(527.0)	$	(108.9)	$	(259.9)	$	(342.7)	$	(2,729.7)
1Liability for Future Policy Benefits

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

	Three Months Ended September 30				Nine Months Ended September 30
	2025		2024		2025		2024
	(in millions of dollars)
Net Unrealized Loss on Securities
Net Investment Gain (Loss) on Fixed Maturity Securities
Net Gain (Loss) on Sales	$	127.7	$	(7.4)	$	69.5	$	(28.6)
Impairment Loss	—		(1.3)		(160.9)		(2.5)
Change in Allowance for Credit Losses	(0.8)		(0.2)		(12.4)		(3.1)
	126.9		(8.9)		(103.8)		(34.2)
Income Tax Expense (Benefit)	26.6		(2.1)		(21.8)		(7.4)
Total	$	100.3	$	(6.8)	$	(82.0)	$	(26.8)
Net Loss on Derivatives
Net Investment Income
Gain on Interest Rate Swaps and Forwards	$	1.1	$	3.4	$	5.8	$	13.8
Loss on Foreign Currency Interest Rate Swaps	—		—		—		(0.1)
Net Investment Gain (Loss)
Loss on Interest Rate Swaps and Forwards	(0.9)		—		(0.9)		—
Gain (Loss) on Foreign Currency Interest Rate Swaps	(0.1)		0.6		(0.4)		0.1
	0.1		4.0		4.5		13.8
Income Tax Expense	—		0.9		0.9		2.9
Total	$	0.1	$	3.1	$	3.6	$	10.9
Unrecognized Pension and Postretirement Benefit Costs
Other Expenses
Amortization of Net Actuarial Loss	$	(4.2)	$	(4.2)	$	(12.4)	$	(12.4)
Amortization of Prior Service Credit	0.1		0.1		0.2		0.2
	(4.1)		(4.1)		(12.2)		(12.2)
Income Tax Benefit	(0.9)		(0.9)		(2.6)		(2.6)
Total	$	(3.2)	$	(3.2)	$	(9.6)	$	(9.6)