Long-lived Assets (Intangible Assets Subject to Amortization, Net) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Gross carrying amount | $ 2,072.8 | $ 2,130.7 |
| Accumulated amortization | (806.0) | (781.3) |
| Net carrying amount | 1,266.8 | 1,349.4 |
| Licenses | ||
| Property, Plant, and Equipment [Line Items] | ||
| Gross carrying amount | 1,539.5 | 1,582.8 |
| Accumulated amortization | (458.9) | (438.0) |
| Net carrying amount | 1,080.6 | 1,144.8 |
| Customer relationships | ||
| Property, Plant, and Equipment [Line Items] | ||
| Gross carrying amount | 261.6 | 269.0 |
| Accumulated amortization | (187.7) | (186.0) |
| Net carrying amount | 73.9 | 83.0 |
| Other | ||
| Property, Plant, and Equipment [Line Items] | ||
| Gross carrying amount | 271.7 | 278.9 |
| Accumulated amortization | (159.4) | (157.3) |
| Net carrying amount | $ 112.3 | $ 121.6 |
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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