v3.26.3
Liabilities, Commitments and Contingencies - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
lot
aircraft
Sep. 30, 2025
USD ($)
Sep. 30, 2018
USD ($)
aircraft
Sep. 30, 2026
USD ($)
lot
aircraft
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2018
USD ($)
aircraft
simulator
Dec. 31, 2030
mission
Jan. 01, 2029
mission
Jun. 30, 2026
aircraft
Jun. 30, 2025
lot
aircraft
vehicle
Dec. 31, 2011
lot
tanker
aircraft
Commitments And Contingencies [Line Items]                        
Environmental loss contingency, operation and maintenance period, maximum       30 years                
Loss contingency, range of possible loss, portion not accrued $ 1,070     $ 1,070   $ 1,171            
Contingent liabilities on outstanding letters of credit agreements and surety bonds 3,552     3,552   3,295            
Supplier finance program, obligation 2,170     2,170   1,994            
(Decrease) to Earnings/Increase to (loss) from operations (105) $ (206)   (486) $ (544)              
Number of annual production lot | lot                       13
Number of production lot | lot                     10  
Forecast                        
Commitments And Contingencies [Line Items]                        
Number of missions | mission                 3      
Number of additional missions | mission               3        
VC-25B                        
Commitments And Contingencies [Line Items]                        
Contract value $ 4,000     $ 4,000                
Number of commercial aircraft | aircraft 2     2                
(Decrease) to Earnings/Increase to (loss) from operations       $ (312)   (60)            
KC-46A Tanker                        
Commitments And Contingencies [Line Items]                        
Contract value $ 33,000     $ 33,000                
(Decrease) to Earnings/Increase to (loss) from operations           (714)            
Number of generation aerial refueling tanker | tanker                       4
Number of aircraft | aircraft 169     169               179
Number of low rate initial production lot | lot 12     12                
KC-46A Tanker | Capitalized Precontract Costs                        
Commitments And Contingencies [Line Items]                        
Capitalized precontract costs $ 113     $ 113                
KC-46A Tanker | Potential Termination Liabilities                        
Commitments And Contingencies [Line Items]                        
Capitalized precontract costs $ 219     $ 219                
MQ-25                        
Commitments And Contingencies [Line Items]                        
Contract value     $ 890                  
(Decrease) to Earnings/Increase to (loss) from operations     $ (291)                  
Number of aircraft | aircraft     7                  
MQ-25 - Lot 1 LRIP Aircraft                        
Commitments And Contingencies [Line Items]                        
Number of aircraft | aircraft 3     3                
T-7A EMD                        
Commitments And Contingencies [Line Items]                        
Contract value             $ 860          
Number of aircraft | aircraft 5     5     5          
Number of simulator | simulator             7          
Number of test vehicle | vehicle                     4  
T-7A Production                        
Commitments And Contingencies [Line Items]                        
(Decrease) to Earnings/Increase to (loss) from operations             $ (400)          
Number of aircraft | aircraft                   14 342  
T-7A Production | Capitalized Precontract Costs                        
Commitments And Contingencies [Line Items]                        
Capitalized precontract costs $ 263     $ 263                
T-7A Production | Potential Termination Liabilities                        
Commitments And Contingencies [Line Items]                        
Capitalized precontract costs 876     876                
Commercial Crew | Capitalized Precontract Costs                        
Commitments And Contingencies [Line Items]                        
Capitalized precontract costs 556     556                
Commercial Crew | Potential Termination Liabilities                        
Commitments And Contingencies [Line Items]                        
Capitalized precontract costs $ 15     $ 15                
Minimum | Supplier Finance Program, Majority of Amounts Payable                        
Commitments And Contingencies [Line Items]                        
Supplier finance program, payment timing, period 30 days     30 days                
Maximum | Supplier Finance Program, Majority of Amounts Payable                        
Commitments And Contingencies [Line Items]                        
Supplier finance program, payment timing, period 90 days     90 days                
Commercial Aircraft Commitments | Total Contractual Trade-In Commitment                        
Commitments And Contingencies [Line Items]                        
Other commitment $ 1,032     $ 1,032   1,267            
Commercial Aircraft Commitments | Net Amounts Payable to Customers Related to Probable Contractual Trade-In Commitments                        
Commitments And Contingencies [Line Items]                        
Other commitment 50     50   67            
Commercial Aircraft Commitments | Fair Value of Trade in Value of Aircraft                        
Commitments And Contingencies [Line Items]                        
Other commitment 50     50   61            
Financing Commitment                        
Commitments And Contingencies [Line Items]                        
Other commitment 16,470     16,470   $ 15,229            
Financing Commitment | External Credit Rating, Non Investment Grade                        
Commitments And Contingencies [Line Items]                        
Other commitment 11,329     11,329                
Joint Venture                        
Commitments And Contingencies [Line Items]                        
Other commitment $ 292     $ 292                
Other commitment, period 11 years     11 years