Segment and Geographic Area Information - Schedule of Disaggregation of Revenue by Major End Market Served (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue, Major Customer [Line Items]
Sales	$ 7,430	$ 6,640	$ 5,663
Engine Products
Revenue, Major Customer [Line Items]
Sales	3,735	3,266	2,698
Fastening Systems
Revenue, Major Customer [Line Items]
Sales	1,576	1,349	1,117
Engineered Structures
Revenue, Major Customer [Line Items]
Sales	1,065	878	790
Forged Wheels
Revenue, Major Customer [Line Items]
Sales	1,054	1,147	1,058
Aerospace - Commercial
Revenue, Major Customer [Line Items]
Sales	3,871	3,229	2,606
Aerospace - Commercial | Engine Products
Revenue, Major Customer [Line Items]
Sales	2,091	1,798	1,495
Aerospace - Commercial | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	1,006	790	616
Aerospace - Commercial | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	774	641	495
Aerospace - Commercial | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	0	0	0
Aerospace - Defense
Revenue, Major Customer [Line Items]
Sales	1,164	1,015	923
Aerospace - Defense | Engine Products
Revenue, Major Customer [Line Items]
Sales	766	670	526
Aerospace - Defense | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	162	173	158
Aerospace - Defense | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	236	172	239
Aerospace - Defense | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	0	0	0
Commercial Transportation
Revenue, Major Customer [Line Items]
Sales	1,308	1,402	1,283
Commercial Transportation | Engine Products
Revenue, Major Customer [Line Items]
Sales	0	0	0
Commercial Transportation | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	254	255	225
Commercial Transportation | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	0	0	0
Commercial Transportation | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	1,054	1,147	1,058
Industrial and Other
Revenue, Major Customer [Line Items]
Sales	1,087	994	851
Industrial and Other | Engine Products
Revenue, Major Customer [Line Items]
Sales	878	798	677
Industrial and Other | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	154	131	118
Industrial and Other | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	55	65	56
Industrial and Other | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	$ 0	$ 0	$ 0