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Depreciation and Amortization	9 Months Ended
	Sep. 30, 2018
Depreciation, Depletion and Amortization [Abstract]
Depreciation and Amortization	DEPRECIATION AND AMORTIZATION Depreciation and amortization expense was $115 million and $95 million for the nine-month periods ended September 30, 2018 and 2017, respectively.

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The entire disclosure for depreciation and amortization expense.

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