Depreciation and Amortization	3 Months Ended
	Mar. 31, 2021
Depreciation, Depletion and Amortization [Abstract]
Depreciation and Amortization	DEPRECIATION AND AMORTIZATION Depreciation and amortization expense was $43 million and $33 million for the three-month periods ended March 31, 2021 and 2020, respectively.