Income Taxes (Tables)

9 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of income tax allocation

Income Tax Allocation
	Three Months Ended September 30,					Nine Months Ended September 30,
(Dollars in millions)	2019			2018		2019			2018
Loss before income taxes	$	(382	)	$	—	$	(1,004	)	$	(28	)
Income tax benefit	$	22		$	111	$	111		$	134
Effective tax rate	5.8		%	*		11.1		%	478.6		%

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Not meaningful.