Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Schedule of adjustments made due to ASU 2014-09

The table below shows the adjustments made due to ASU 2014-09.

Balance Sheet (Dollars in millions)	Balance at December 31, 2017		Adjustments due to ASU 2014-09			Balance at January 1, 2018
Assets
Inventories, net	$	154	$	(5	)	$	149
Prepaid expenses and contract assets	34		7			41
Equity
Net Former Parent investment	844		1			845

	Three Months Ended September 30, 2018									Nine Months Ended September 30, 2018
Income Statement (Dollars in millions)	As Reported			Balances without adoption of ASC 606			Effect of Changes			As Reported			Balances without adoption of ASC 606			Effect of Changes
Net sales	$	526		$	525		$	1		$	1,692		$	1,691		$	1
Cost of sales	(428		)	(427		)	(1		)	(1,371		)	(1,370		)	(1		)
Operating loss	(58		)	(58		)	—			(122		)	(122		)	—

	As of September 30, 2018
Balance Sheet (Dollars in millions)	As Reported		Balances without adoption of ASC 606		Effect of Changes
Assets
Inventories, net	$	166	$	173	$	(6	)
Prepaid expenses and contract assets	33		25		8
Equity
Additional paid-in capital	1,929		1,928		1