Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Taxes [Line Items]
Effective tax rate			(27.20%)	10.80%
Tax Cuts and Jobs Act [Member]
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, decrease, amount	$ 670	$ 526
Singapore [Member] | Inland Revenue, Singapore (IRAS) [Member] | Foreign Tax Authority [Member]
Income Taxes [Line Items]
Statutory tax rate			17.00%
United States [Member] | Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member]
Income Taxes [Line Items]
Statutory federal income tax rate			21.00%
United States [Member] | Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Global Intangible Low-Taxed Income Tax (GILTI) [Member]
Income Taxes [Line Items]
Statutory federal income tax rate			10.50%
Macao [Member] | Macao Finance Bureau (MFB) [Member] | Foreign Tax Authority [Member] | Gaming [Member]
Income Taxes [Line Items]
Statutory tax rate			0.00%
Pro Forma [Member]
Income Taxes [Line Items]
Effective tax rate			10.00%