Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Goodwill [Roll Forward] | ||
| Goodwill, net, beginning balance | $ 6,754.7 | |
| Foreign currency translation | (100.3) | |
| Goodwill | 6,654.4 | $ 6,754.7 |
| Developed Markets Segment | ||
| Goodwill [Roll Forward] | ||
| Goodwill, net, beginning balance | 5,024.5 | |
| Foreign currency translation | (106.2) | |
| Goodwill | 4,918.3 | 5,024.5 |
| Accumulated impairment loss | (3,190.0) | (3,190.0) |
| Greater China | ||
| Goodwill [Roll Forward] | ||
| Goodwill, net, beginning balance | 933.2 | |
| Foreign currency translation | 5.9 | |
| Goodwill | 939.1 | 933.2 |
| Japan, Australia and New Zealand Segment | ||
| Goodwill [Roll Forward] | ||
| Goodwill, net, beginning balance | 0.0 | |
| Foreign currency translation | 0.0 | |
| Goodwill | 0.0 | 0.0 |
| Accumulated impairment loss | (651.8) | (651.8) |
| Emerging Markets Segment | ||
| Goodwill [Roll Forward] | ||
| Goodwill, net, beginning balance | 797.0 | |
| Foreign currency translation | 0.0 | |
| Goodwill | 797.0 | 797.0 |
| Accumulated impairment loss | $ (499.0) | $ (499.0) |
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase (decrease) from foreign currency translation and measurement period adjustments of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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