Depreciation and Amortization	3 Months Ended
Mar. 31, 2019
Depreciation, Depletion and Amortization [Abstract]
Depreciation and Amortization	DEPRECIATION AND AMORTIZATION Depreciation and amortization expense was $40 million and $34 million for the three-month periods ended March 31, 2019 and 2018, respectively.

The entire disclosure for depreciation and amortization expense.

No definition available.

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