v3.25.0.1
Goodwill and Other Intangible Assets, net: (Narrative) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]          
Non-amortizable intangible assets, decrease in currency movements     $ 276,000,000    
Impairment of intangible assets         $ 112,000,000
Finite lived intangible asset, decrease in currency movements     269,000,000    
Amortization of intangibles     835,000,000    
Amortizable intangible assets, accumulated amortization     2,062,000,000 $ 1,563,000,000  
Change in accumulated amortization, currency movements     69,000,000    
Impairment of goodwill and other intangibles $ 0   27,000,000 680,000,000 112,000,000
Total assets     61,784,000,000 65,304,000,000  
Cash and cash equivalents     4,216,000,000 3,060,000,000  
Impairment of goodwill     0 665,000,000 $ 0
Estimated amortization expense, year one, assuming no additional transactions occur that require the amortization of intangible assets     991,000,000    
Estimated amortization expense, year two, assuming no additional transactions occur that require the amortization of intangible assets     991,000,000    
Estimated amortization expense, year three, assuming no additional transactions occur that require the amortization of intangible assets     991,000,000    
Estimated amortization expense, year four, assuming no additional transactions occur that require the amortization of intangible assets     991,000,000    
Estimated amortization expense, year five, assuming no additional transactions occur that require the amortization of intangible assets     991,000,000    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Vectura Group Ltd.          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, held for sale     454,000,000    
Amortizable intangible assets, accumulated amortization     $ 267,000,000    
Megapolis          
Finite-Lived Intangible Assets [Line Items]          
Ownership interest     23.00%    
Russia | War In Ukraine          
Finite-Lived Intangible Assets [Line Items]          
Total assets     $ 2,700,000,000    
Cash and cash equivalents     1,038,000,000    
In Process Research and Development          
Finite-Lived Intangible Assets [Line Items]          
Impairment of intangible assets   $ 27,000,000 27,000,000 15,000,000  
Wellness and Healthcare          
Finite-Lived Intangible Assets [Line Items]          
Impairment of goodwill       $ 665,000,000  
Cost of sales          
Finite-Lived Intangible Assets [Line Items]          
Amortization of intangibles     51,000,000    
Marketing, administration and research costs          
Finite-Lived Intangible Assets [Line Items]          
Amortization of intangibles     $ 784,000,000    
Wellness and Healthcare          
Finite-Lived Intangible Assets [Line Items]          
Excess of fair value over carrying value (less than) 20.00%