DEBT AND FINANCING COSTS - Components of Financing Costs, Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Debt Disclosure [Abstract]
Interest expense	$ 107	$ 112
Amortization of deferred loan costs	2	5
Capitalized interest	(8)	(12)
Interest income	(4)	(6)
Financing costs, net	$ 97	$ 99