v3.26.1
Acquisitions - Narrative (Details)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 22, 2026
USD ($)
$ / shares
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
acquisition
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Business Combination [Line Items]              
Number of businesses acquired | acquisition       16      
Total outflow in the Condensed Consolidated Statements of Cash Flows       $ 1,110 $ 648    
Goodwill   $ 13,150 $ 11,673 13,150 11,673 $ 13,099 $ 11,061
Business acquisition, goodwill, expected tax deductible amount   60   $ 60      
Acquired finite-lived intangible assets, weighted average useful life       8 years      
Business combination, acquisition-related cost, expense   10 $ 10 $ 14 15    
Business combination, pro forma information, revenue of acquiree since acquisition date, actual       59 134    
Business combination, acquiree's earnings (loss) since acquisition date, actual       12 $ 8    
2026 acquisitions              
Business Combination [Line Items]              
Total outflow in the Condensed Consolidated Statements of Cash Flows       1,110      
Intangible assets, net   114   114      
Goodwill   $ 649   $ 649      
Arcosa              
Business Combination [Line Items]              
Business combination, price per share (USD per share) | $ / shares $ 150            
Business combination, price of acquisition, expected $ 8,500