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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) |
Accumulated Other Comprehensive Income (Loss) | 12. Accumulated Other Comprehensive Income (Loss) The changes in the balances of each component of accumulated other comprehensive income (loss), net of tax, which is included as a component of WMI stockholders’ equity, are as follows (in millions, with amounts in parentheses representing decreases to accumulated other comprehensive income):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Foreign | ​ | Post- | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Available- | ​ | Currency | ​ | Retirement | ​ | ​ | ​
​ | ​ | Derivative | ​ | for-Sale | ​ | Translation | ​ | Benefit | ​ | ​ | ​
​ |  | Instruments |  | Securities(a) |  | Adjustments |  | Obligations |  | Total
Balance, December 31, 2021 | ​ | $ | — | ​ | $ | 43 | ​ | $ | (29) | ​ | $ | 3 | ​ | $ | 17
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit) of $0, $(8), $0 and $0, respectively | ​ |  | — | ​ |  | (24) | ​ |  | (65) | ​ |  | 1 | ​ |  | (88)
Amounts reclassified from accumulated other comprehensive (income) loss, net of tax (expense) benefit of $1, $0, $0 and $0, respectively | ​ |  | 3 | ​ |  | — | ​ |  | — | ​ |  | (1) | ​ |  | 2
Net current period other comprehensive income (loss) | ​ |  | 3 | ​ |  | (24) | ​ |  | (65) | ​ |  | — | ​ |  | (86)
Balance, December 31, 2022 | ​ | $ | 3 | ​ | $ | 19 | ​ | $ | (94) | ​ | $ | 3 | ​ | $ | (69)
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit) of $5, $(4), $0 and $2, respectively | ​ |  | 16 | ​ |  | (11) | ​ |  | 26 | ​ |  | 4 | ​ |  | 35
Amounts reclassified from accumulated other comprehensive (income) loss, net of tax (expense) benefit of $(1), $0, $0 and $0, respectively | ​ |  | (2) | ​ |  | — | ​ |  | — | ​ |  | (1) | ​ |  | (3)
Net current period other comprehensive income (loss) | ​ |  | 14 | ​ |  | (11) | ​ |  | 26 | ​ |  | 3 | ​ |  | 32
Balance, December 31, 2023 | ​ | $ | 17 | ​ | $ | 8 | ​ | $ | (68) | ​ | $ | 6 | ​ | $ | (37)
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit) of $10, $3, $0 and $0, respectively | ​ |  | 30 | ​ |  | 7 | ​ |  | (111) | ​ |  | (1) | ​ |  | (75)
Amounts reclassified from accumulated other comprehensive (income) loss, net of tax (expense) benefit of $1, $0, $0 and $0, respectively | ​ |  | (3) | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (3)
Net current period other comprehensive income (loss) | ​ |  | 27 | ​ |  | 7 | ​ |  | (111) | ​ |  | (1) | ​ |  | (78)
Balance, December 31, 2024 | ​ | $ | 44 | ​ | $ | 15 | ​ | $ | (179) | ​ | $ | 5 | ​ | $ | (115)
​
(a) | In 2023, we recognized a $23 million unrealized loss, net of a deferred tax benefit of $8 million, associated with our investment in redeemable preferred stock due to the estimated fair value being less than the remaining carrying value.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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