v3.26.1
Segment Information (Reconciliation Of Segment Information To Total Consolidated Information) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Net sales $ 3,745.9 $ 3,569.0 $ 7,255.6 $ 6,812.2
Other revenues 10.9 13.1 18.2 24.2
Revenues 3,756.8 3,582.1 7,273.8 6,836.4
Earnings (loss) from operations 6.3 233.0 (73.4) (2,649.2)
Intangible asset amortization expense (571.9) (583.3) (1,156.5) (1,154.5)
Intangible asset (including IPR&D) impairment charges 0.0 (2.2) 0.0 (2.2)
Impairment of goodwill 0.0 0.0 0.0 (2,936.8)
Research and development (248.3) (218.8) (496.9) (440.8)
Other Research and Development Refund 5.8 0.0 (0.2) (10.0)
Litigation settlements and other contingencies, net (73.2) 47.6 (126.7) 121.1
Operating Segment        
Segment Reporting [Line Items]        
Earnings (loss) from operations 1,755.4 1,599.1 3,344.9 3,020.1
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment        
Segment Reporting [Line Items]        
Intangible asset amortization expense (571.9) (583.3) (1,156.5) (1,154.5)
Intangible asset (including IPR&D) impairment charges (7.4) (2.2) (7.4) (2.2)
Research and development (248.3) (218.8) (496.9) (440.8)
Litigation settlements and other contingencies, net (73.2) 47.6 (126.7) 121.1
Other One-Time Nonoperating Expense (437.0) (212.8) (819.4) (469.3)
Corporate / Other        
Segment Reporting [Line Items]        
Corporate costs 417.1 396.6 811.2 776.8
Developed Markets Segment        
Segment Reporting [Line Items]        
Revenues 2,203.0 2,129.6 4,229.0 4,028.2
Developed Markets Segment | Product and Service, Other        
Segment Reporting [Line Items]        
Other revenues 9.3 10.3 14.5 17.2
Developed Markets Segment | Operating Segment        
Segment Reporting [Line Items]        
Net sales 2,193.7 2,119.3 4,214.5 4,011.0
Cost of sales 1,036.2 1,004.6 2,048.6 1,930.8
Selling, general and administration 229.5 249.5 462.3 483.8
Earnings (loss) from operations 937.3 875.5 1,718.1 1,613.6
Greater China        
Segment Reporting [Line Items]        
Revenues 713.8 588.9 1,393.9 1,144.4
Greater China | Product and Service, Other        
Segment Reporting [Line Items]        
Other revenues 0.0 0.0 0.0 0.0
Greater China | Operating Segment        
Segment Reporting [Line Items]        
Net sales 713.8 588.9 1,393.9 1,144.4
Cost of sales 77.4 62.5 148.3 123.3
Selling, general and administration 126.9 124.6 238.8 234.6
Earnings (loss) from operations 509.5 401.8 1,006.8 786.5
Japan, Australia and New Zealand Segment        
Segment Reporting [Line Items]        
Revenues 296.2 306.7 569.7 583.8
Japan, Australia and New Zealand Segment | Product and Service, Other        
Segment Reporting [Line Items]        
Other revenues 0.1 1.0 0.2 2.0
Japan, Australia and New Zealand Segment | Operating Segment        
Segment Reporting [Line Items]        
Net sales 296.1 305.7 569.5 581.8
Cost of sales 180.3 181.7 354.7 358.2
Selling, general and administration 39.6 41.3 74.0 79.7
Earnings (loss) from operations 76.3 83.7 141.0 145.9
Emerging Markets Segment        
Segment Reporting [Line Items]        
Revenues 543.8 556.9 1,081.2 1,080.0
Emerging Markets Segment | Product and Service, Other        
Segment Reporting [Line Items]        
Other revenues 1.5 1.8 3.5 5.0
Emerging Markets Segment | Operating Segment        
Segment Reporting [Line Items]        
Net sales 542.3 555.1 1,077.7 1,075.0
Cost of sales 237.1 240.4 456.7 453.2
Selling, general and administration 74.4 78.4 145.5 152.7
Earnings (loss) from operations $ 232.3 $ 238.1 $ 479.0 $ 474.1