v3.25.4
ACQUISITIONS, GOODWILL, AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($)
6 Months Ended 12 Months Ended
Nov. 20, 2025
Nov. 07, 2025
Mar. 31, 2025
Apr. 01, 2024
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Business Combination [Line Items]                
Cash consideration, net of cash acquired           $ 378,000,000 $ 313,000,000 $ 147,000,000
Goodwill           13,489,000,000 13,136,000,000 12,936,000,000
Gain on remeasurement of NMP equity method investment           97,000,000 0 0
Definite-lived intangible assets acquired           $ 280,000,000    
Acquired finite-lived intangible assets, weighted average useful life           10 years    
Goodwill impairment           $ 0 0  
Impairment of intangible assets, indefinite-lived           0 0 0
Impairment of intangible assets, definite-lived           0 0 0
Amortization of acquisition-related intangible assets           $ 291,000,000 $ 312,000,000 $ 362,000,000
Nihon Medi-Physics                
Business Combination [Line Items]                
Defined benefit plan, asset     $ 71,000,000          
Defined benefit plan, liability     33,000,000          
Defined benefit plan, net asset     $ 38,000,000          
icometrix NV                
Business Combination [Line Items]                
Percent of interest acquired   100.00%            
Cash consideration, net of cash acquired   $ 98,000,000            
Contingent consideration   $ 35,000,000            
Contingent consideration, sales period   2 years            
Goodwill   $ 74,000,000            
Intangible assets   34,000,000            
Deferred tax liabilities   $ 9,000,000            
Nihon Medi-Physics                
Business Combination [Line Items]                
Percent of interest acquired     50.00%          
Cash consideration, net of cash acquired     $ 271,000,000          
Goodwill     220,000,000          
Intangible assets     235,000,000          
Deferred tax liabilities     $ 81,000,000          
Equity interest in acquiree, existing percentage     50.00%          
Fair value of previously held interest in NMP     $ 301,000,000          
Equity interest in acquiree, carrying value     204,000,000          
Gain on remeasurement of NMP equity method investment     97,000,000          
Foreign currency translation gain, reclassification adjustment     63,000,000          
Defined benefit pension plan loss, reclassification adjustment     8,000,000          
Measurement period adjustment, increase in goodwill         $ 4,000,000      
Definite-lived intangible assets acquired     $ 235,000,000          
Acquired finite-lived intangible assets, weighted average useful life     13 years          
Asset retirement obligations and decommissioning liabilities assumed     $ 124,000,000          
Purchase price     $ 577,000,000          
MIM Software                
Business Combination [Line Items]                
Percent of interest acquired       100.00%        
Cash consideration, net of cash acquired       $ 259,000,000        
Goodwill       189,000,000        
Deferred tax liabilities       13,000,000        
Cash acquired from acquisition       11,000,000        
Purchase price       283,000,000        
Other net assets       7,000,000        
MIM Software | Customer-related                
Business Combination [Line Items]                
Intangible assets       52,000,000        
MIM Software | Developed technology                
Business Combination [Line Items]                
Intangible assets       48,000,000        
MIM Software | Purchase price                
Business Combination [Line Items]                
Contingent consideration       13,000,000        
MIM Software | Service requirements                
Business Combination [Line Items]                
Contingent consideration       $ 23,000,000        
Intelerad                
Business Combination [Line Items]                
Price of acquisition, expected $ 2,300,000,000