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v3.25.1

Stock Plans (Narrative) (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2025 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | May 15, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares authorized for grant under the plans (in shares) |  | 9,916,334 |  |  |
Shares available for grant under the plan (in shares) |  | 8,142,808 |  |  |
2024 Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares authorized for grant under the plans (in shares) |  | 1,151,334 |  |  | 8,765,000
PSUs 2022 [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Performance metric percent | 133.70% |  |  |  |
Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  | 3 years |  |  |
Remaining unrecognized compensation cost associated with unvested restricted stock awards |  | $ 54 |  |  |
Weighted average period over which unvested restricted stock awards unrecognized compensation cost is expected to be recognized (in years) |  | 2 years |  |  |
Cash compensation |  | $ 8 | $ 10 |  |
Restricted Stock [Member] | 2024 Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Restricted stock granted (in shares) |  | 811,000 |  |  |
Performance Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Measurement period |  | 3 years |  |  |
Conversion of stock, ratio |  | 1 |  |  |
Compensation expense |  | $ 7 | 16 |  |
Performance Stock [Member] | 2024 Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Restricted stock granted (in shares) |  | 625,000 |  |  |
Performance Stock [Member] | PSUs 2024 [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Performance metric percent |  | 33.30% |  |  |
Performance Stock [Member] | PSUs 2025 [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Performance metric percent |  | 50.00% |  |  |
Performance Stock [Member] | PSUs 2022 And 2023 [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Performance metric percent |  | 33.30% |  |  |
Performance-Based Restricted Stock [Member] | Chief Financial Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Restricted stock granted (in shares) |  |  |  | 501,000 |
Minimum [Member] | Performance Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Payout range, percent of target units |  | 0.00% |  |  |
Maximum [Member] | Restricted Stock [Member] | Board of Directors [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense |  | $ 1 | $ 1 |  |
Maximum [Member] | Performance Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Payout range, percent of target units |  | 200.00% |  |  |

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