XML 195 R44.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Pension and Other Postretirement Benefits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Retirement Benefits [Abstract] |
Schedule of Changes in Projected Benefit Obligations | The change in benefit obligation and change in plan assets as of December 31 are as follows:
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2024 |  | 2023
Change in benefit obligation: |  |  |  |  |  |  |
Benefit obligation at beginning of year | $ | 305.1 |  |  | $ | 263.0 |  |  | $ | 76.8 |  |  | $ | 73.7 |
Service cost | 4.0 |  |  | 3.3 |  |  | 0.2 |  |  | 0.1 |
Interest cost | 17.2 |  |  | 17.3 |  |  | 3.9 |  |  | 3.9 |
Plan amendments | — |  |  | 1.1 |  |  | — |  |  | — |
Actuarial (gain) loss | (3.2) |  |  | 11.0 |  |  | 0.3 |  |  | 4.8 |
Medicare Part D | — |  |  | — |  |  | 0.2 |  |  | 0.3 |
Acquisition | — |  |  | 28.6 |  |  | — |  |  | 0.8 |
Benefits paid | (21.4) |  |  | (19.9) |  |  | (5.7) |  |  | (6.8) |
Exchange rates | (0.4) |  |  | (0.5) |  |  | — |  |  | — |
Plan participants' contributions | 1.0 |  |  | 1.2 |  |  | — |  |  | — |
Benefit obligation at end of year | $ | 302.3 |  |  | $ | 305.1 |  |  | $ | 75.7 |  |  | $ | 76.8 |
Schedule of Changes in Fair Value of Plan Assets |
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2024 |  | 2023
Change in plan assets: |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | $ | 256.8 |  |  | $ | 216.6 |  |  | $ | — |  |  | $ | — |
Actual return on plan assets | 6.8 |  |  | 21.4 |  |  | — |  |  | — |
Acquisition | — |  |  | 31.5 |  |  | — |  |  | — |
Employer contributions | 2.3 |  |  | 6.6 |  |  | 5.5 |  |  | 6.5 |
Medicare Part D subsidy received | — |  |  | — |  |  | 0.2 |  |  | 0.3 |
Benefits paid | (21.5) |  |  | (19.9) |  |  | (5.7) |  |  | (6.8) |
Exchange rates | (0.3) |  |  | (0.6) |  |  | — |  |  | — |
Plan participants' contributions | 1.0 |  |  | 1.2 |  |  | — |  |  |
Fair value of assets at end of year | $ | 245.1 |  |  | $ | 256.8 |  |  | $ | — |  |  | $ | — |
Schedule of Amounts Recognized in Balance Sheet |
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2024 |  | 2023
Funded status of plans: |  |  |  |  |  |  |
Funded status | $ | (57.2) |  |  | $ | (48.3) |  |  | $ | (75.7) |  |  | $ | (76.8) |
Amounts recognized in the Consolidated Balance Sheets: |  |  |  |  |  |  |
Current liabilities | (1.8) |  |  | (1.8) |  |  | (6.5) |  |  | (6.5) |
Non-current liabilities | (55.4) |  |  | (46.5) |  |  | (69.2) |  |  | (70.3) |
Net amount recognized | $ | (57.2) |  |  | $ | (48.3) |  |  | $ | (75.7) |  |  | $ | (76.8) |
Amounts recognized in accumulated other comprehensive loss (pre-tax): |  |  |  |  |  |  |
Net loss | $ | 82.3 |  |  | $ | 82.1 |  |  | $ | 14.4 |  |  | $ | 14.8 |
Prior service cost (benefit) | 1.6 |  |  | 1.8 |  |  | — |  |  | — |
Total | $ | 83.9 |  |  | $ | 83.9 |  |  | $ | 14.4 |  |  | $ | 14.8 |
Schedule of Net Benefit Cost | Net Periodic Benefit Cost:
| Year Ended December 31,
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2022 |  | 2024 |  | 2023 |  | 2022
Service cost | $ | 4.0 |  |  | $ | 3.3 |  |  | $ | 4.3 |  |  | $ | 0.2 |  |  | $ | 0.1 |  |  | $ | 0.2 |
Interest cost | 17.2 |  |  | 17.3 |  |  | 10.3 |  |  | 3.9 |  |  | 3.9 |  |  | 2.9 |
Expected return on plan assets | (18.3) |  |  | (17.3) |  |  | (23.5) |  |  | — |  |  | — |  |  | — |
Amortization of prior service costs | 0.2 |  |  | 0.1 |  |  | 0.1 |  |  | — |  |  | — |  |  | (1.3) |
Amortization of net loss | 5.8 |  |  | 6.0 |  |  | 3.5 |  |  | 0.7 |  |  | 0.1 |  |  | 1.3 |
Net periodic benefit cost | 8.9 |  |  | 9.4 |  |  | (5.3) |  |  | 4.8 |  |  | 4.1 |  |  | 3.1 |
Curtailment benefit (1) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (8.9) |
Total benefit cost | $ | 8.9 |  |  | $ | 9.4 |  |  | $ | (5.3) |  |  | $ | 4.8 |  |  | $ | 4.1 |  |  | $ | (5.8) |
(1)During 2022, we re-measured certain other postretirement benefits triggered by the Hawesville smelter curtailment, leading to a non-cash OPEB curtailment benefit totaling $8.9 million for the year ended December 31, 2022.
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) | Other changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) (pre-tax):
| Year Ended December 31,
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2024 |  | 2023
Net (gain) loss | $ | 8.4 |  |  | $ | 6.9 |  |  | $ | 0.3 |  |  | $ | 4.8 |
Net loss (gain) transferred due to acquisition | — |  |  | (4.5) |  |  | — |  |  | (0.2) |
Prior service cost (benefit) | — |  |  | 1.2 |  |  | — |  |  | — |
Amortization of net loss, including recognition due to settlement | (5.8) |  |  | (6.0) |  |  | (0.7) |  |  | (0.2) |
Amortization of prior service (cost) benefit, including curtailment | (0.2) |  |  | (0.1) |  |  | — |  |  | — |
Exchange rates | (2.4) |  |  | (1.1) |  |  | — |  |  | (0.1) |
Total amount recognized in other comprehensive income (loss) | — |  |  | (3.6) |  |  | (0.4) |  |  | 4.3 |
Net periodic benefit cost | 8.9 |  |  | 9.4 |  |  | 4.8 |  |  | 4.1 |
Total recognized in net periodic benefit cost and other comprehensive income (loss) | $ | 8.9 |  |  | $ | 5.8 |  |  | $ | 4.4 |  |  | $ | 8.4 |
Schedule of Weighted Average Assumptions Used in Calculating Benefit Obligation and Net Periodic Benefit Cost | Weighted average assumptions used to determine benefit obligations at December 31:
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2024 |  | 2023
Discount rate (1) | 5.99% |  | 5.19% |  | 5.62% |  | 5.19%
Rate of compensation increase without Jamaica | 3.0% |  | 3.5% |  | 3.0% |  | 3.5%
Rate of compensation increase Jamaica | 7.0% |  | n/a |  | 7.0% |  | n/a
Measurement date | 12/31/2024 |  | 12/31/2023 |  | 12/31/2024 |  | 12/31/2023
Weighted average assumptions used to determine net periodic benefit cost for the years ended December 31:
| Pension |  | OPEB
| 2024 |  | 2023 |  | 2022 |  | 2024 |  | 2023 |  | 2022
Measurement date | 12/31/2023 |  | 12/31/2022 |  | 12/31/2021 |  | 12/31/2023 |  | 12/31/2022 |  | 12/31/2021
Fiscal year end | 12/31/2024 |  | 12/31/2023 |  | 12/31/2022 |  | 12/31/2024 |  | 12/31/2023 |  | 12/31/2022
Discount rate (1) | 6.75% |  | 5.50% |  | 2.94% |  | 5.43% |  | 5.57% |  | 2.64%
Rate of compensation increase without Jamaica (2) | 3.5% |  | 4%/3.5% |  | 3%/3.5% |  | 3.5% |  | 4%/3.5% |  | 3%/3.5%
Rate of compensation increase Jamaica | 9.0% |  | n/a |  | n/a |  | 8.0% |  | n/a |  | n/a
Expected return on plan assets (3) | 7.28% |  | 7.25% |  | 7.25% |  | —% |  | —% |  | —%
(1)We use the Ryan Above Median Yield Curve to determine the discount rate. (2)For 2024, the rate of compensation increase is 3.5%. For 2023, the rate of compensation increase was 4% per year for the first year and 3.5% per year thereafter. For 2022, the rate of compensation increase was 3% per year for the first year and 3.5% per year thereafter. (3)The rate for each of our defined benefit plans was selected by taking into account our expected asset mix and is based on historical performance as well as expected future rates of return on plan assets.
Schedule of Allocation of Plan Assets | The Pension Plans’ weighted average long-term strategic asset allocation policy targets are as follows:
| Pension Plan Asset Allocation
| 2024 Target |  | December 31, 2024 |  | December 31, 2023
Return seeking assets: |  |  |  |  |
Global equity | 50% |  | 51% |  | 44%
Diversified credit | 15% |  | 17% |  | 15%
Real assets | 10% |  | 11% |  | 10%
Liability hedging assets | 25% |  | 20% |  | 28%
Cash | —% |  | 1% |  | 3%
| 100% |  | 100% |  | 100%
Defined Benefit Plan, Plan Assets, Category | The following summarizes the Company’s Pension Plans' assets fair value by asset category:
As of December 31, 2024 |  | Level 1 |  | Level 2 |  | Level 3 |  | Assets measured at NAV |  | Total
Cash and cash equivalents |  | $ | 0.7 |  |  | $ | — |  |  | $ | — |  |  | $ | 2.8 |  |  | $ | 3.5 |
Global Equity |  | 20.0 |  |  | — |  |  | — |  |  | 108.1 |  |  | 128.1 |
Diversified Credit |  | 11.8 |  |  | — |  |  | — |  |  | 35.3 |  |  | 47.1 |
Real Assets |  | — |  |  | — |  |  | — |  |  | 23.1 |  |  | 23.1 |
Liability hedging assets |  | — |  |  | — |  |  | — |  |  | 42.6 |  |  | 42.6 |
Other |  | 0.1 |  |  | 0.6 |  |  | — |  |  | — |  |  | 0.7 |
Total plan assets fair value |  | $ | 32.6 |  |  | $ | 0.6 |  |  | $ | — |  |  | $ | 211.9 |  |  | $ | 245.1 |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 0.4 |  |  | $ | — |  |  | $ | — |  |  | $ | 4.6 |  |  | $ | 5 |
Global Equity |  | 19.7 |  |  | — |  |  | — |  |  | 100.0 |  |  | 119.7 |
Diversified Credit |  | 11.2 |  |  | — |  |  | — |  |  | 34.7 |  |  | 45.9 |
Real Assets |  | — |  |  | — |  |  | — |  |  | 22.8 |  |  | 22.8 |
Liability hedging assets |  | — |  |  | — |  |  | — |  |  | 62.7 |  |  | 62.7 |
Other |  | 0.1 |  |  | 0.6 |  |  | — |  |  | — |  |  | 0.7 |
Total plan assets fair value |  | $ | 31.4 |  |  | $ | 0.6 |  |  | $ | — |  |  | $ | 224.8 |  |  | $ | 256.8 |
Schedule Of Expected Benefit Plan Contributions | We expect to make the following contributions for 2025:
| 2025
Expected pension plan contributions | $ | 8.0 |
Expected OPEB benefits payments | 6.4 |
Schedule of Expected Benefit Payments | The following table provides the estimated future benefit payments for the pension and other postretirement benefit plans:
| Pension Benefits |  | OPEB Benefits
2025 | $ | 20.5 |  |  | $ | 6.5 |
2026 | 20.9 |  |  | 6.5 |
2027 | 20.9 |  |  | 6.5 |
2028 | 21.4 |  |  | 6.7 |
2029 | 21.7 |  |  | 6.5 |
2030 – 2034 | 94.8 |  |  | 30.9 |
Schedule of Multiemployer Plans | Century’s participation in the plan for the year ended December 31, 2024, is outlined in the table below.
Fund |  | Steelworkers Pension Trust
EIN / PN |  | 23-6648508 / 499
Pension Protection Act Zone Status 2023 (1) |  | Green
Pension Protection Act Zone Status 2022 (1) |  | Green
Subject to Financial Improvement/Rehabilitation Plan (2) |  | No
Contributions of Century Aluminum 2024 |  | $0.04
Contributions of Century Aluminum 2023 |  | $0.2
Contributions of Century Aluminum 2022 |  | $1.6
Withdrawal from Plan Probable |  | No
Surcharge Imposed |  | No
Expiration Date of Collective Bargaining Agreement (2) |  | March 31, 2026
(1)The most recent Pension Protection Act zone status available in 2024 and 2023 is for the plan's year-end December 31, 2023 and December 31, 2022, respectively. The zone status is based on information that Century received from the plan as well as publicly available information per the Department of Labor and is certified by the plan’s actuary. Among other factors, plans in the green zone are at least 80 percent funded. (2)The “Subject to Financial Improvement / Rehabilitation Plan” column indicates plans for which a financial improvement plan (FIP) or a rehabilitation plan (RP) is either pending or has been implemented. The last column lists the expiration date(s) of the collective-bargaining agreement(s) to which the plans are subject.

X
- Definition Tabular disclosure of contributions expected to be made to defined benefits plans in the next fiscal year. + References No definition available. + Details
Name: | cenx_ScheduleofExpectedBenefitPlanContributionsTableTextBlock
Namespace Prefix: | cenx_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of defined benefit plan asset investment. Includes, but is not limited to, fair value of category of plan asset and its level within fair value hierarchy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsCategoryTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (d)(5) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfAssumptionsUsedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (b) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (f) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about multiemployer plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480547/715-80-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-5 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-9 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480576/715-80-50-9 + Details
Name: | us-gaap_ScheduleOfMultiemployerPlansTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration