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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense (Benefit) and Effective Tax Rate

The Company’s income tax expense and effective tax rate for the three and nine months ended September 30, 2018 and 2017 were as follows:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2018				2017				2018				2017
	(dollars in millions)
Income tax expense	$	66			$	31			$	208			$	88
Effective tax rate	23		%		9		%		20		%		10		%

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Schedule of income tax expense (benefit) and the effective tax rate for the period.

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