v3.26.1
Revenue Recognition - Schedule of Revenues by Market Segment (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]      
Revenues from contracts $ 21,499 $ 19,850 $ 19,930
Aerospace Systems      
Disaggregation of Revenue [Line Items]      
Revenues from contracts 7,061 6,185 5,472
Commercial OEM | Aerospace Systems      
Disaggregation of Revenue [Line Items]      
Revenues from contracts 2,330 1,915 1,779
Commercial aftermarket | Aerospace Systems      
Disaggregation of Revenue [Line Items]      
Revenues from contracts 2,523 2,214 1,814
Defense OEM | Aerospace Systems      
Disaggregation of Revenue [Line Items]      
Revenues from contracts 1,271 1,138 1,125
Defense aftermarket | Aerospace Systems      
Disaggregation of Revenue [Line Items]      
Revenues from contracts $ 937 $ 918 $ 754