Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Other Intangible Assets

The following presents a summary of other intangible assets (dollars in millions):

	June 30, 2020							December 31, 2019
	Intangible assets, gross		Accumulated amortization			Intangible assets, net		Intangible assets, gross		Accumulated amortization			Intangible assets, net
Other intangible assets:
Trade name	$	791	$	—		$	791	$	791	$	—		$	791
In process research and development		25		—			25		50		—			50
Customer relationships — commercial		839		(686	)		153		839		(664	)		175
Proprietary technology		478		(477	)		1		481		(473	)		8
Customer relationships — defense		62		(46	)		16		62		(44	)		18
Total	$	2,195	$	(1,209	)	$	986	$	2,223	$	(1,181	)	$	1,042

Schedule of Amortization Expense Related to Other Intangible Assets for Next Five Fiscal Years

Amortization expense related to other intangible assets for the next five fiscal years is expected to be (dollars in millions):

	2021		2022		2023		2024		2025
Amortization expense	$	46	$	45	$	43	$	8	$	4

Summary of Changes in Goodwill of Operating and Reporting Segment

The following presents a summary of the changes in the goodwill of the Company’s single operating and reporting segment (dollars in millions):

	Goodwill
Balance at December 31, 2018	$	1,941
Acquisitions		78
Net current period impact to goodwill	$	78
Balance at June 30, 2019	$	2,019
Balance at December 31, 2019	$	2,041
Measurement period adjustment		25
Walker Die Casting net working capital settlement		(4	)
Net current period impact to goodwill	$	21
Balance at June 30, 2020	$	2,062