v3.26.1
DEBT AND CREDIT AGREEMENTS - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 06, 2026
Mar. 17, 2025
Mar. 18, 2024
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 29, 2026
Mar. 24, 2026
Dec. 31, 2025
Debt Instrument [Line Items]                      
Commercial paper and other short-term borrowings         $ 2,478,000,000   $ 2,478,000,000       $ 5,893,000,000
Short-term debt, weighted average interest rate, at point in time         3.85%   3.85%       3.68%
Loss on debt extinguishment [1]         $ 2,000,000 $ 0 $ 241,000,000 $ 0      
Debt restructuring costs         0 $ 0 44,000,000 $ 0      
Senior Notes                      
Debt Instrument [Line Items]                      
Principal Amount                   $ 7,500,000,000  
Senior Notes | Aerospace Technologies                      
Debt Instrument [Line Items]                      
Principal Amount         16,000,000,000.0   16,000,000,000.0        
Term Loan Agreement | Line of Credit                      
Debt Instrument [Line Items]                      
Principal Amount       $ 6,000,000,000.0              
364-Day Credit Agreement | Line of Credit                      
Debt Instrument [Line Items]                      
Debt term   364 days   364 days              
Short-term debt, borrowing capacity   $ 3,000,000,000.0   $ 3,000,000,000.0              
Short-term outstanding borrowings         0   0        
364-Day Credit Agreement | Line of Credit | Spinoff | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity                 $ 2,000,000,000.0    
364-Day Credit Agreement | Aerospace Technologies | Line of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity       $ 1,000,000,000.0              
Debt term       364 days              
5-Year Credit Agreement | Line of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity $ 4,000,000,000.0   $ 4,000,000,000.0                
Debt term 5 years   5 years                
Long-term outstanding borrowings         $ 0   $ 0        
5-Year Credit Agreement | Line of Credit | Spinoff                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity                 3,500,000,000    
5-Year Credit Agreement | Line of Credit | Spinoff | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity                 $ 3,000,000,000.0    
5-Year Credit Agreement | Line of Credit | Aerospace Technologies                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity       $ 3,000,000,000.0              
Debt term       5 years              
Notes 4.37% Due 2027                      
Debt Instrument [Line Items]                      
Principal Amount       $ 1,000,000,000.0              
Debt instrument, interest rate, stated percentage       4.37%              
3.50% euro notes due 2027 | Senior Notes                      
Debt Instrument [Line Items]                      
Principal Amount                   $ 529,000,000  
Debt instrument, interest rate, stated percentage       3.50% 3.50%   3.50%     3.50%  
2.25% euro notes due 2028 | Senior Notes                      
Debt Instrument [Line Items]                      
Principal Amount                   $ 528,000,000  
Debt instrument, interest rate, stated percentage       2.25% 2.25%   2.25%     2.25%  
[1]
All share and per share amounts have been retrospectively adjusted to reflect the Reverse Stock Split. See Note 1 Basis of Presentation for additional information.