Income Taxes - Net Operating Losses (FY) (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Income Taxes [Abstract] | ||
| Valuation allowance - Deferred tax asset change in amount | $ 133 | $ 44 |
| Operating Loss Carryforwards [Abstract] | ||
| NOL carryforwards with expiry date | $ 31 | $ 38 |
| NOL carryforwards, expiration date | Dec. 31, 2044 | Dec. 31, 2032 |
| Minimum | ||
| Operating Loss Carryforwards [Abstract] | ||
| US and foreign jurisdictions, statutes of limitation, period | 3 years | |
| Maximum | ||
| Operating Loss Carryforwards [Abstract] | ||
| US and foreign jurisdictions, statutes of limitation, period | 5 years | |
| Federal | ||
| Operating Loss Carryforwards [Abstract] | ||
| NOL carryforwards with indefinite life | $ 3,600 | $ 933 |
| State | ||
| Operating Loss Carryforwards [Abstract] | ||
| NOL carryforwards with indefinite life | 30 | 19 |
| NOL carryforwards | 61 | $ 57 |
| Foreign | ||
| Operating Loss Carryforwards [Abstract] | ||
| NOL carryforwards with indefinite life | $ 5 | |