v3.26.3
Pension Benefits - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 29, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Defined Benefit Plan Disclosure [Line Items]          
Common stock repurchased   $ 0 $ 100,000,000 $ 100,000,000 $ 400,000,000
Disposal Group, Disposed of Other than by Sale, Not Discontinued Operation, Spinoff | Aerospace Technologies          
Defined Benefit Plan Disclosure [Line Items]          
Disposal group, including discontinued operation, pension benefit obligations $ 6,400,000,000        
Disposal group, including discontinued operation, pension plan assets $ 9,000,000,000.0