v3.26.1
ACQUISITIONS AND DIVESTITURE OF BUSINESSES - Narrative (Details)
$ in Millions
 3 Months Ended 4 Months Ended 5 Months Ended 6 Months Ended
Mar. 12, 2026
USD ($)
employee
Jan. 23, 2026
USD ($)
Aug. 06, 2025
USD ($)
Apr. 01, 2025
USD ($)
installment
Mar. 31, 2027
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Jan. 15, 2026
USD ($)
Dec. 31, 2025
USD ($)
Business Combination [Line Items]                            
Cash purchase price, net of cash received                   $ 11,079 $ 1,450      
Contingent consideration           $ 32   $ 32 $ 32 32       $ 31
Goodwill           20,229   20,229 20,229 20,229       $ 15,769
SPAN                            
Business Combination [Line Items]                            
Invested amount                         $ 75  
Equity securities, fair value (as a percent)                         7.00%  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Mobility Business | Forecast                            
Business Combination [Line Items]                            
Cash distribution received         $ 1,100                  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Mobility Business | Forecast | SpinCo                            
Business Combination [Line Items]                            
Ownership (as a percent) (at least)         50.10%                  
Fibrebond Corporation                            
Business Combination [Line Items]                            
Cash purchase price, net of cash received       $ 1,430                    
Employee transaction and retention awards amount       $ 240                    
Number of installments | installment       6                    
Operating profit of acquiree since acquisition date             $ 44              
Revenue of acquiree since acquisition date             $ 144              
Goodwill       $ 572               $ 541    
Other intangible assets       709               $ 715    
Fibrebond Corporation | Customer relationships                            
Business Combination [Line Items]                            
Adjusted preliminary estimated fair value       $ 410                    
Useful life of intangible assets acquired       17 years                    
Fibrebond Corporation | Technology                            
Business Combination [Line Items]                            
Adjusted preliminary estimated fair value       $ 171                    
Useful life of intangible assets acquired       9 years                    
Fibrebond Corporation | Trademarks                            
Business Combination [Line Items]                            
Adjusted preliminary estimated fair value       $ 74                    
Useful life of intangible assets acquired       17 years                    
Fibrebond Corporation | Backlog Intangible Assets                            
Business Combination [Line Items]                            
Adjusted preliminary estimated fair value       $ 60                    
Useful life of intangible assets acquired       2 years                    
Resilient Power Systems Inc.                            
Business Combination [Line Items]                            
Cash purchase price, net of cash received     $ 55                      
Total consideration for acquisition     86                      
Contingent consideration expected to be paid     31                      
Maximum potential payments based on future revenue performance     45                      
Contingent consideration           32   32 32 32        
Employee incentives, maximum payout     $ 50             50        
Business acquisition, recognized liability assumed, employee incentives, term     3 years                      
Resilient Power Systems Inc. | Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense                            
Business Combination [Line Items]                            
Business acquisition, employee incentives expense           6       16        
Ultra PCS Limited                            
Business Combination [Line Items]                            
Cash purchase price, net of cash received   $ 1,530                        
Operating profit of acquiree since acquisition date                 31          
Revenue of acquiree since acquisition date                 111          
Goodwill   837       849   849 849 849        
Other intangible assets   798       791   791 791 791        
Ultra PCS Limited | UNITED STATES                            
Business Combination [Line Items]                            
Goodwill   $ 96                        
Ultra PCS Limited | Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense                            
Business Combination [Line Items]                            
Acquisition related transactions costs                   17        
Boyd Thermal                            
Business Combination [Line Items]                            
Cash purchase price, net of cash received $ 9,550                          
Operating profit of acquiree since acquisition date               121            
Revenue of acquiree since acquisition date               524            
Goodwill 4,901         3,733   3,733 3,733 3,733        
Other intangible assets $ 5,587         7,190   $ 7,190 $ 7,190 7,190        
Number of employees | employee 6,000                          
Boyd Thermal | Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense                            
Business Combination [Line Items]                            
Acquisition related transactions costs           $ 1       $ 36