Segment and Geographic Area Information - Schedule of Disaggregation of Revenue by Major End Market Served (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue, Major Customer [Line Items]
Sales	$ 6,640	$ 5,663	$ 4,972
Third-party sales
Revenue, Major Customer [Line Items]
Sales	6,640	5,663	4,972
Third-party sales | Engine Products
Revenue, Major Customer [Line Items]
Sales	3,266	2,698	2,282
Third-party sales | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	1,349	1,117	1,044
Third-party sales | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	878	790	725
Third-party sales | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	1,147	1,058	921
Third-party sales | Aerospace - Commercial
Revenue, Major Customer [Line Items]
Sales	3,229	2,606	2,029
Third-party sales | Aerospace - Commercial | Engine Products
Revenue, Major Customer [Line Items]
Sales	1,798	1,495	1,105
Third-party sales | Aerospace - Commercial | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	790	616	537
Third-party sales | Aerospace - Commercial | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	641	495	387
Third-party sales | Aerospace - Commercial | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	0	0	0
Third-party sales | Aerospace - Defense
Revenue, Major Customer [Line Items]
Sales	1,015	923	951
Third-party sales | Aerospace - Defense | Engine Products
Revenue, Major Customer [Line Items]
Sales	670	526	523
Third-party sales | Aerospace - Defense | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	173	158	158
Third-party sales | Aerospace - Defense | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	172	239	270
Third-party sales | Aerospace - Defense | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	0	0	0
Third-party sales | Commercial Transportation
Revenue, Major Customer [Line Items]
Sales	1,402	1,283	1,129
Third-party sales | Commercial Transportation | Engine Products
Revenue, Major Customer [Line Items]
Sales	0	0	0
Third-party sales | Commercial Transportation | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	255	225	208
Third-party sales | Commercial Transportation | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	0	0	0
Third-party sales | Commercial Transportation | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	1,147	1,058	921
Third-party sales | Industrial and Other
Revenue, Major Customer [Line Items]
Sales	994	851	863
Third-party sales | Industrial and Other | Engine Products
Revenue, Major Customer [Line Items]
Sales	798	677	654
Third-party sales | Industrial and Other | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	131	118	141
Third-party sales | Industrial and Other | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	65	56	68
Third-party sales | Industrial and Other | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	$ 0	$ 0	$ 0