Income Taxes - Net Operating Losses, Credits and Incentives (Details) $ in Millions |
Dec. 31, 2022
USD ($)
|
|---|---|
| Tax Credit Carryforward [Line Items] | |
| Gross NOLs and Tax Credits | $ 4,592.9 |
| Portion Subject to a Valuation Allowance | 4,580.9 |
| Federal | |
| Tax Credit Carryforward [Line Items] | |
| Gross NOLs and Tax Credits | 2,148.4 |
| Portion Subject to a Valuation Allowance | 2,148.4 |
| State | |
| Tax Credit Carryforward [Line Items] | |
| Gross NOLs and Tax Credits | 2,410.8 |
| Portion Subject to a Valuation Allowance | 2,410.8 |
| Foreign | |
| Tax Credit Carryforward [Line Items] | |
| Gross NOLs and Tax Credits | 33.7 |
| Portion Subject to a Valuation Allowance | $ 21.7 |