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Proposed Acquisition (Details)
£ / shares in Units, £ in Millions, $ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2022
GBP (£)
£ / shares
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Business Acquisition [Line Items]      
Escrow deposit     $ 2,272
Meggitt plc      
Business Acquisition [Line Items]      
Acquisition-related transaction costs     22
Restricted cash     $ 2,487
Meggitt plc | Forecast      
Business Acquisition [Line Items]      
Price per share of stock acquired (in pounds per share) | £ / shares £ 8    
Meggitt plc | Forecast | Subsequent Event      
Business Acquisition [Line Items]      
Purchase price to acquire business (in pounds) | £ £ 6,256    
Aggregate annual sales for business, to be acquired, for their most recent fiscal year prior to acquisition   $ 2,300