Segment and Geographic Area Information - Disaggregation of Revenue by Major End Market Served (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue, Major Customer [Line Items]
Sales	$ 5,663	$ 4,972	$ 5,259
Third-party sales
Revenue, Major Customer [Line Items]
Sales	5,663	4,972	5,257
Third-party sales | Engine Products
Revenue, Major Customer [Line Items]
Sales	2,698	2,282	2,406
Third-party sales | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	1,117	1,044	1,245
Third-party sales | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	790	725	927
Third-party sales | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	1,058	921	679
Third-party sales | Aerospace - Commercial
Revenue, Major Customer [Line Items]
Sales	2,606	2,029	2,597
Third-party sales | Aerospace - Commercial | Engine Products
Revenue, Major Customer [Line Items]
Sales	1,495	1,105	1,247
Third-party sales | Aerospace - Commercial | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	616	537	808
Third-party sales | Aerospace - Commercial | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	495	387	542
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	923	951	1,016
Third-party sales | Aerospace - Defense | Engine Products
Revenue, Major Customer [Line Items]
Sales	526	523	557
Third-party sales | Aerospace - Defense | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	158	158	156
Third-party sales | Aerospace - Defense | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	239	270	303
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	1,283	1,129	834
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	225	208	155
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	1,058	921	679
Third-party sales | Industrial and Other
Revenue, Major Customer [Line Items]
Sales	851	863	810
Third-party sales | Industrial and Other | Engine Products
Revenue, Major Customer [Line Items]
Sales	677	654	602
Third-party sales | Industrial and Other | Fastening Systems
Revenue, Major Customer [Line Items]
Sales	118	141	126
Third-party sales | Industrial and Other | Engineered Structures
Revenue, Major Customer [Line Items]
Sales	56	68	82
Third-party sales | Industrial and Other | Forged Wheels
Revenue, Major Customer [Line Items]
Sales	$ 0	$ 0	$ 0