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Inventories (Details) - USD ($)
$ in Millions
Apr. 03, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Work in process $ 3,865 $ 3,654
Raw materials 1,645 1,651
Finished goods 25 22
Pre-owned aircraft 13 13
Total inventories $ 5,548 $ 5,340