Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2024

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 losses on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2024	$	(2,316.2)	$	492.6	$	(1,823.6)	$	(1,808.6)	$	(13.9)	$	(1.1)
Other comprehensive income (loss) before reclassifications:
Investment securities	(85.1)		18.0		(67.1)		(67.1)		0		0
Total other comprehensive income (loss) before reclassifications	(85.1)		18.0		(67.1)		(67.1)		0		0
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(221.5)		46.7		(174.8)		(174.8)		0		0
Interest expense	(0.2)		0.1		(0.1)		0		(0.1)		0
Total reclassification adjustment for amounts realized in net income	(221.7)		46.8		(174.9)		(174.8)		(0.1)		0
Total other comprehensive income (loss)	136.6		(28.8)		107.8		107.7		0.1		0
Balance at June 30, 2024	$	(2,179.6)	$	463.8	$	(1,715.8)	$	(1,700.9)	$	(13.8)	$	(1.1)
							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 losses on forecasted transactions		Foreign currency translation adjustment
Balance at March 31, 2023	$	(2,793.3)	$	594.6	$	(2,198.7)	$	(2,183.1)	$	(14.4)	$	(1.2)
Other comprehensive income (loss) before reclassifications:
Investment securities	(651.5)		136.8		(514.7)		(514.7)		0		0
Foreign currency translation adjustment	0.3		(0.1)		0.2		0		0		0.2
Total other comprehensive income (loss) before reclassifications	(651.2)		136.7		(514.5)		(514.7)		0		0.2
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(74.8)		15.7		(59.1)		(59.1)		0		0
Interest expense	(0.1)		0		(0.1)		0		(0.1)		0
Total reclassification adjustment for amounts realized in net income	(74.9)		15.7		(59.2)		(59.1)		(0.1)		0
Total other comprehensive income (loss)	(576.3)		121.0		(455.3)		(455.6)		0.1		0.2
Balance at June 30, 2023	$	(3,369.6)	$	715.6	$	(2,654.0)	$	(2,638.7)	$	(14.3)	$	(1.0)

(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 losses on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2023	$	(2,052.9)	$	437.2	$	(1,615.7)	$	(1,600.8)	$	(14.0)	$	(0.9)
Other comprehensive income (loss) before reclassifications:
Investment securities	(498.7)		104.9		(393.8)		(393.8)		0		0
Foreign currency translation adjustment	(0.3)		0.1		(0.2)		0		0		(0.2)
Total other comprehensive income (loss) before reclassifications	(499.0)		105.0		(394.0)		(393.8)		0		(0.2)
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(372.0)		78.3		(293.7)		(293.7)		0		0
Interest expense	(0.3)		0.1		(0.2)		0		(0.2)		0
Total reclassification adjustment for amounts realized in net income	(372.3)		78.4		(293.9)		(293.7)		(0.2)		0
Total other comprehensive income (loss)	(126.7)		26.6		(100.1)		(100.1)		0.2		(0.2)
Balance at June 30, 2024	$	(2,179.6)	$	463.8	$	(1,715.8)	$	(1,700.9)	$	(13.8)	$	(1.1)
							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 losses on forecasted transactions		Foreign currency translation adjustment
Balance at December 31, 2022	$	(3,556.9)	$	754.9	$	(2,802.0)	$	(2,786.3)	$	(14.5)	$	(1.2)
Other comprehensive income (loss) before reclassifications:
Investment securities	54.1		(11.4)		42.7		42.7		0		0
Foreign currency translation adjustment	0.3		(0.1)		0.2		0		0		0.2
Total other comprehensive income (loss) before reclassifications	54.4		(11.5)		42.9		42.7		0		0.2
Less: Reclassification adjustment for amounts realized in net income by income statement line item:
Net realized gains (losses) on securities	(132.7)		27.8		(104.9)		(104.9)		0		0
Interest expense	(0.2)		0		(0.2)		0		(0.2)		0
Total reclassification adjustment for amounts realized in net income	(132.9)		27.8		(105.1)		(104.9)		(0.2)		0
Total other comprehensive income (loss)	187.3		(39.3)		148.0		147.6		0.2		0.2
Balance at June 30, 2023	$	(3,369.6)	$	715.6	$	(2,654.0)	$	(2,638.7)	$	(14.3)	$	(1.0)