Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of Weighted-average Useful Lives of Structures and Machinery and Equipment

The following table details the weighted-average useful lives of structures and machinery and equipment by reporting segment (numbers in years):

	Structures	Machinery and equipment
Engine Products	28	16
Fastening Systems	27	17
Engineered Structures	29	20
Forged Wheels	27	18

	December 31, 2024		December 31, 2023
Land and land rights	$	84	$	88
Structures	1,025		1,018
Machinery and equipment	4,118		4,079
	5,227		5,185
Less: accumulated depreciation and amortization	3,150		3,081
	2,077		2,104
Construction work-in-progress	309		224
Properties, plants, and equipment, net	$	2,386	$	2,328

Schedule of Weighted-average Useful Lives of Software and Other Intangibles

The following table details the weighted-average useful lives of software and other intangible assets by reporting segment (numbers in years):

	Software	Other intangible assets
Engine Products	7	33
Fastening Systems	5	23
Engineered Structures	3	18
Forged Wheels	4	25