Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2022

Mar. 31, 2021

Statement of Comprehensive Income [Abstract]

The tables below display the changes in Accumulated Other Comprehensive Income (Loss) by component for the three months ended March 31, 2022 and 2021.


(Dollars in Millions)	Net Unrealized Gains (Losses) on Other Investments	Net Unrealized Gains (Losses) on Investments with an Allowance for Credit Losses	Net Unrecognized Postretirement Benefit Costs	Gain (Loss) on Cash Flow Hedges	Total
Balance as of January 1, 2022	505.8	(3.7)	(52.1)	(1.9)	448.1
Other Comprehensive Income (Loss) Before Reclassifications	(515.1)	(5.8)	—	4.7	(516.2)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) Net of Tax (Expense) Benefit of $(1.5), $—, $—, $— and $(1.5)	5.8	—	—	—	5.8
Other Comprehensive Income (Loss) Net of Tax (Expense) Benefit of $135.2, $1.6, $—, $(1.2) and $135.6	(509.3)	(5.8)	—	4.7	(510.4)
Balance as of March 31, 2022	(3.5)	(9.5)	(52.1)	2.8	(62.3)


(Dollars in Millions)	Net Unrealized Gains (Losses) on Other Investments	Net Unrealized Gains (Losses) on Investments with an Allowance for Credit Losses	Net Unrecognized Postretirement Benefit Costs	Gain (Loss) on Cash Flow Hedges	Total
Balance as of January 1, 2021	730.6	(2.1)	(45.7)	(2.3)	680.5
Other Comprehensive Income (Loss) Before Reclassifications	(281.5)	(1.7)	0.8	0.1	(282.3)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) Net of Tax (Expense) Benefit of $2.1, $—, $—, $— and $2.1	(7.7)	—	—	—	(7.7)
Other Comprehensive Income (Loss) Net of Tax (Expense) Benefit of $74.8, $0.4, $0.5, $— and $75.7	(289.2)	(1.7)	0.8	0.1	(290.0)
Balance as of March 31, 2021	441.4	(3.8)	(44.9)	(2.2)	390.5