Discontinued Operations - Summary of Selected Financial Information of LQH Parent Included in Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Non-cash items included in net income (loss):
Depreciation and amortization	$ 90	$ 79
Loss on extinguishment of debt		(17)
Equity-based compensation expense	$ 6	6
LQH Parent [Member] | Discontinued Operations [Member]
Non-cash items included in net income (loss):
Depreciation and amortization		4
Amortization of deferred costs		1
Loss on extinguishment of debt		7
Equity-based compensation expense		4
Investing activities:
Capital expenditures		$ 11