v3.26.1
Business Combinations and Asset Acquisitions (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Nov. 03, 2025
May 30, 2025
Apr. 01, 2025
Jan. 30, 2025
Dec. 02, 2024
Jun. 30, 2024
Business Acquistion [Line Items]                        
Net Intangible $ 2,165   $ 2,473   $ 2,165 $ 2,473            
Goodwill $ 11,442   9,691   $ 11,442 9,691           $ 4,725
Weighted- Average Remaining Amortization Period (Years) 8 years       8 years              
Solaris Health                        
Business Acquistion [Line Items]                        
Weighted-average period over which stock option compensation cost is expected to be recognized 5 years                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested         $ 500              
GIA Common Stock                        
Business Acquistion [Line Items]                        
Weighted-average period over which stock option compensation cost is expected to be recognized 2 years       4 years              
Minimum                        
Business Acquistion [Line Items]                        
Discount Rate, fair value inputs 8.00%       8.00%              
Maximum                        
Business Acquistion [Line Items]                        
Discount Rate, fair value inputs 12.00%       12.00%              
Trademarks, trade names, and patents                        
Business Acquistion [Line Items]                        
Net Intangible $ 1,025   881   $ 1,025 881            
Weighted- Average Remaining Amortization Period (Years) 8 years       8 years              
Developed Technology Rights [Member]                        
Business Acquistion [Line Items]                        
Net Intangible $ 251   304   $ 251 304            
Weighted- Average Remaining Amortization Period (Years) 5 years       5 years              
Noncompete Agreements                        
Business Acquistion [Line Items]                        
Net Intangible $ 78   51   $ 78 51            
Weighted- Average Remaining Amortization Period (Years) 4 years       4 years              
Customer-Related Intangible Assets                        
Business Acquistion [Line Items]                        
Net Intangible $ 811   1,237   $ 811 1,237            
Weighted- Average Remaining Amortization Period (Years) 9 years       9 years              
ION                        
Business Acquistion [Line Items]                        
Payments to Acquire Businesses, Gross $ 1,100                      
Business Combination, Acquisition-Related Cost, Expense         $ 5 30            
Total identifiable intangible assets acquired 73       73              
Cash and equivalents 10       10              
Trade receivables, net 47       47              
Trade expense and Others 7       7              
Other accrued liabilities (41)       (41)              
Deferred income taxes and other liabilities (41)       (41)              
Total identifiable net assets/(liabilities) acquired 125       125              
Goodwill 1,101       1,101           $ 1,100  
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest 1,069       $ 1,069              
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent                     45  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current                     (3)  
Business Combination, Recognized Liability Assumed, Accounts Payable, Current                     (10)  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment                     38  
Business Combination, Recognized Asset Acquired, Inventory, Current                     14  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent                     (14)  
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value                     (157)  
ION | Minimum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         700.00%              
ION | Maximum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         20.00%              
ION | Trademarks, trade names, and patents                        
Business Acquistion [Line Items]                        
Net Intangible $ 73       $ 73              
ION | Trademarks, trade names, and patents | Minimum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 2 years       2 years              
ION | Trademarks, trade names, and patents | Maximum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 10 years       10 years              
ION | Noncompete Agreements                        
Business Acquistion [Line Items]                        
Net Intangible $ 0       $ 0              
ION | Customer-Related Intangible Assets                        
Business Acquistion [Line Items]                        
Net Intangible 0       0              
ADS                        
Business Acquistion [Line Items]                        
Payments to Acquire Businesses, Gross       $ 1,000                
Business Combination, Acquisition-Related Cost, Expense         23 31            
Total identifiable intangible assets acquired 500       500              
Cash and equivalents 14       14              
Trade receivables, net 101       101              
Trade expense and Others 2       2              
Other accrued liabilities (391)       (391)              
Deferred income taxes and other liabilities (106)       (106)              
Total identifiable net assets/(liabilities) acquired 472       472              
Goodwill 577       577       $ 577      
Total net assets acquired 1,049       $ 1,049              
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent                     377  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current                     0  
Business Combination, Recognized Liability Assumed, Accounts Payable, Current                     (104)  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment                     1  
Business Combination, Recognized Asset Acquired, Inventory, Current                     78  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent                     0  
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value                     0  
ADS | Minimum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         700.00%              
ADS | Maximum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         20.00%              
ADS | Trademarks, trade names, and patents                        
Business Acquistion [Line Items]                        
Net Intangible $ 28       $ 28              
ADS | Trademarks, trade names, and patents | Minimum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 2 years       2 years              
ADS | Trademarks, trade names, and patents | Maximum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 10 years       10 years              
ADS | Noncompete Agreements                        
Business Acquistion [Line Items]                        
Net Intangible $ 0       $ 0              
ADS | Customer-Related Intangible Assets                        
Business Acquistion [Line Items]                        
Net Intangible $ 472       $ 472              
ADS | Customer-Related Intangible Assets | Minimum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 10 years       10 years              
GIA                        
Business Acquistion [Line Items]                        
Payments to Acquire Businesses, Gross   $ 2,800                    
Business Combination, Acquisition-Related Cost, Expense         $ 11 $ 75            
Total identifiable intangible assets acquired $ 223       223              
Cash and equivalents 53       53              
Trade receivables, net 176       176              
Trade expense and Others 14       14              
Other accrued liabilities (174)       (174)              
Deferred income taxes and other liabilities (888)       (888)              
Total identifiable net assets/(liabilities) acquired (293)       (293)              
Goodwill 3,078       3,078         $ 3,100    
Total net assets acquired $ 2,785       $ 2,785              
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent                     312  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current                     (1)  
Business Combination, Recognized Liability Assumed, Accounts Payable, Current                     (89)  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment                     75  
Business Combination, Recognized Asset Acquired, Inventory, Current                     21  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent                     (15)  
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value                     0  
Discount Rate, fair value inputs 9.50%       9.50%              
Business Combination, Voting Equity Interest Acquired, Percentage                   73.00%    
Total fair value of shares vested during the year     $ 739                  
GIA | Minimum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         700.00%              
GIA | Maximum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         20.00%              
GIA | Trademarks, trade names, and patents                        
Business Acquistion [Line Items]                        
Net Intangible $ 200       $ 200              
GIA | Trademarks, trade names, and patents | Minimum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 2 years       2 years              
GIA | Trademarks, trade names, and patents | Maximum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 10 years       10 years              
GIA | Noncompete Agreements                        
Business Acquistion [Line Items]                        
Net Intangible $ 23       $ 23              
Weighted- Average Remaining Amortization Period (Years)                   5 years    
GIA | Customer-Related Intangible Assets                        
Business Acquistion [Line Items]                        
Net Intangible 0       0              
Urology America                        
Business Acquistion [Line Items]                        
Total identifiable intangible assets acquired 33       33              
Cash and equivalents 4       4              
Trade receivables, net 24       24              
Trade expense and Others 3       3              
Other accrued liabilities (12)       (12)              
Deferred income taxes and other liabilities (45)       (45)              
Total identifiable net assets/(liabilities) acquired 52       52              
Goodwill 339       339              
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest 382       $ 382     $ 381        
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent                     41  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current                     0  
Business Combination, Recognized Liability Assumed, Accounts Payable, Current                     (20)  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment                     27  
Business Combination, Recognized Asset Acquired, Inventory, Current                     3  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent                     (6)  
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value                     (9)  
Urology America | Minimum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         700.00%              
Urology America | Maximum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         20.00%              
Urology America | Trademarks, trade names, and patents                        
Business Acquistion [Line Items]                        
Net Intangible $ 33       $ 33              
Urology America | Trademarks, trade names, and patents | Maximum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 10 years       10 years              
Urology America | Noncompete Agreements                        
Business Acquistion [Line Items]                        
Net Intangible $ 0       $ 0              
Urology America | Customer-Related Intangible Assets                        
Business Acquistion [Line Items]                        
Net Intangible 0       0              
Solaris Health                        
Business Acquistion [Line Items]                        
Payments to Acquire Businesses, Gross         1,900              
Business Combination, Acquisition-Related Cost, Expense         49              
Total identifiable intangible assets acquired 272       272              
Cash and equivalents 55       55              
Trade receivables, net 205       205              
Trade expense and Others 76       76              
Other accrued liabilities (177)       (177)              
Deferred income taxes and other liabilities (164)       (164)              
Total identifiable net assets/(liabilities) acquired 445       445              
Goodwill 1,689       1,689              
Total net assets acquired $ 2,134       $ 2,134              
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent                     191  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current                     0  
Business Combination, Recognized Liability Assumed, Accounts Payable, Current                     (105)  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment                     69  
Business Combination, Recognized Asset Acquired, Inventory, Current                     23  
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent                     0  
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value                     $ 0  
Discount Rate, fair value inputs 7.50%       7.50%              
Total fair value of shares vested during the year   $ 210                    
Solaris Health | Minimum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input           700.00%            
Solaris Health | Trademarks, trade names, and patents                        
Business Acquistion [Line Items]                        
Net Intangible $ 233       $ 233              
Solaris Health | Trademarks, trade names, and patents | Minimum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 2 years       2 years              
Solaris Health | Trademarks, trade names, and patents | Maximum                        
Business Acquistion [Line Items]                        
Weighted- Average Remaining Amortization Period (Years) 10 years       10 years              
Solaris Health | Noncompete Agreements                        
Business Acquistion [Line Items]                        
Net Intangible $ 39       $ 39              
Weighted- Average Remaining Amortization Period (Years)             5 years          
Solaris Health | Customer-Related Intangible Assets                        
Business Acquistion [Line Items]                        
Net Intangible $ 0       $ 0              
Specialty Alliance                        
Business Acquistion [Line Items]                        
Business Combination, Voting Equity Interest Acquired, Percentage 76.00%       76.00%              
Specialty Networks | Maximum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow                        
Business Acquistion [Line Items]                        
Intangible Assets Measurement Input         20.00%