v3.26.1
Acquisitions - Summary of the total consideration paid (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Feb. 09, 2026
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Dec. 31, 2025
Business Combination, Consideration Transferred, Equity Interest [Line Items]            
Number of fully diluted shares of Company common stock immediately prior to the BDS Business Acquisition   98,204,000,000 [1] 59,656,000,000 90,041,000,000 [1] 59,686,000,000  
Number of shares of Company common stock issued to BD common stockholders   201,881,000   201,881,000   163,162,000
Company common stock price   $ 0.01   $ 0.01   $ 0.01
Fair value of Company common stock issued   $ 2   $ 2   $ 2
Estimated net working capital adjustment       $ 121    
Waters [Member]            
Business Combination, Consideration Transferred, Equity Interest [Line Items]            
Number of fully diluted shares of Company common stock immediately prior to the BDS Business Acquisition 60,075          
Share issuance ratio $ 0.64474          
Number of shares of Company common stock issued to BD shareholders as a result of the BDS Business Acquisition 38,733          
SpinCo Make Whole Awards (191)          
Number of shares of Company common stock issued to BD common stockholders 38,542          
Company common stock price $ 332.29          
Fair value of Company common stock issued $ 12,807          
Fair value of share-based compensation awards issued to SpinCo Business Employees related to pre-combination services 28          
Estimated net working capital adjustment $ 121          
Financing fees paid on behalf of SpinCo 5          
Total BDS Business Acquisition consideration $ 12,961          
[1] Includes issuance of 38,542 thousand shares of Waters common stock related to the BDS Business Acquisition.