The required monthly rental payments on capitalized leases.

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The annual adjustment of the required monthly rental payments on capitalized leases.

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Increase of additional borrowings on existing and new debt instruments.

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Total of the stated variable rate plus the spread at the end of the reporting period.

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The amount of debt discount that was originally recognized at the issuance of the instrument.

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The first amount of the required periodic payments applied to principal represented as a percentage of the aggregate principal amount of the debt outstanding as of a certain date as specified per the debt agreement.

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Amount represents (1) the difference between the fair value of the payments made and the carrying amount of the debt at the time of its early retirement and/or (2) the write-off of deferred financing fees associated with the modification or early extinguishment of debt.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments applied to principal.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Long-Term Debt - Additional Information (Details)			1 Months Ended											3 Months Ended				12 Months Ended
Long-Term Debt - Additional Information (Details)	Nov. 20, 2018 USD ($)	Aug. 09, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016	Aug. 31, 2016 USD ($)	Aug. 31, 2014	Dec. 31, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jul. 31, 2009 USD ($)	Apr. 30, 2007 USD ($)	Feb. 28, 2007 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 SGD ($)	Mar. 31, 2018 SGD ($)	Jun. 30, 2012 SGD ($)
Debt Instrument [Line Items]
Loss on modification or early retirement of debt																		$ 64,000,000	$ 5,000,000	$ 5,000,000
Long-term debt, fair value														$ 11,650,000,000				11,650,000,000	9,610,000,000
Long-term debt, carrying value														$ 12,080,000,000				12,080,000,000	9,720,000,000
Secured Debt [Member] \| 2013 U.S. Credit Facility [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)									$ 3,500,000,000.0
Loss on modification or early retirement of debt																$ 2,000,000	$ 2,000,000	$ 3,000,000	$ 5,000,000
Weighted average interest rate						3.20%								3.90%		3.20%		3.90%	3.20%	3.20%	3.90%
Debt instrument, maximum leverage ratio, through maturity									5.5
Debt instrument, repayment																		$ 26,000,000	$ 63,000,000	$ 914,000,000
Secured Debt [Member] \| 2013 U.S. Credit Facility Term B [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)									$ 2,250,000,000.00
Debt instrument, original discount									$ 11,000,000
Debt instrument, maturity date									Dec. 19, 2020
Secured Debt [Member] \| 2013 U.S. Credit Facility Term B [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						2.25%			2.50%
Secured Debt [Member] \| 2013 U.S. Credit Facility Term B [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						0.00%			0.75%
Secured Debt [Member] \| 2013 U.S. Credit Facility Term B [Member] \| Base Rate [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.25%			1.50%
Secured Debt [Member] \| 2013 U.S. Credit Facility Term B [Member] \| Base Rate [Member] \| Minimum [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.00%			1.75%
Secured Debt [Member] \| 2013 U.S. Credit Facility Revolving [Member] \| United States [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity									$ 1,250,000,000.00
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| United States [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							$ 1,150,000,000.00
Line of credit facility, expiration date							Sep. 19, 2020
Line of credit facility, available borrowing capacity (SGD converted to USD at balance sheet date)														$ 1,150,000,000				$ 1,150,000,000
Line of credit facility, frequency of payments							no
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| Minimum [Member] \| United States [Member]
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage							0.125%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| Maximum [Member] \| United States [Member]
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage							0.25%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate							1.125%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate							1.625%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| Base Rate [Member] \| Minimum [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate							0.125%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Revolving [Member] \| Base Rate [Member] \| Maximum [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate							0.625%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Term B [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)			$ 3,510,000,000	$ 2,160,000,000	$ 2,180,000,000
Debt instrument, maturity date				Mar. 27, 2025	Mar. 29, 2024
Debt Instrument, increase, additional borrowings			$ 1,350,000,000
Debt instrument, frequency of periodic payment			quarterly
Debt instrument, periodic payment, principal			$ 9,000,000
Debt instrument, date of first required payment			Jun. 30, 2018
Debt instrument, periodic payment terms, balloon payment to be paid			$ 3,270,000,000
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Term B [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				1.75%	2.00%
Debt instrument, interest rate, period end rate														4.30%				4.30%			4.30%
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Term B [Member] \| Base Rate [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.75%	1.00%
Secured Debt [Member] \| Airplane Financings [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, repayment					$ 56,000,000													$ 0	$ 56,000,000	$ 4,000,000
Secured Debt [Member] \| Airplane Financings February 2007 [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)													$ 72,000,000.0
Weighted average interest rate						2.20%										2.20%			2.40%	2.20%
Secured Debt [Member] \| Airplane Financings February 2007 [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate													1.50%
Secured Debt [Member] \| Airplane Financings Amortizing Promissory Notes February 2007 [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)													$ 29,000,000
Debt instrument, frequency of periodic payment													quarterly
Debt instrument, periodic payment, principal													$ 1,000,000
Debt instrument, date of first required payment													Jun. 01, 2007
Secured Debt [Member] \| Airplane Financings Balloon Payment Promissory Notes February 2007 [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)													$ 44,000,000
Debt instrument, maturity date													Mar. 01, 2017
Debt instrument, frequency of periodic payment													0
Secured Debt [Member] \| Airplane Financings April 2007 [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)												$ 20,000,000
Weighted average interest rate						2.00%										2.00%			2.30%	2.00%
Secured Debt [Member] \| Airplane Financings April 2007 [Member] \| Adjusted Eurodollar or London Interbank Offered Rate (LIBOR) [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate												1.25%
Secured Debt [Member] \| Airplane Financings Amortizing Promissory Notes April 2007 [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)												$ 8,000,000
Debt instrument, frequency of periodic payment												quarterly
Debt instrument, date of first required payment												Jun. 30, 2007
Secured Debt [Member] \| Airplane Financings Balloon Payment Promissory Notes April 2007 [Member] \| United States [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)												$ 12,000,000
Debt instrument, maturity date												Mar. 31, 2017
Debt instrument, frequency of periodic payment												0
Secured Debt [Member] \| 2016 VML Credit Facility [Member] \| Macao [Member]
Debt Instrument [Line Items]
Loss on modification or early retirement of debt														$ 9,000,000	$ 52,000,000
Weighted average interest rate						2.10%								3.10%		2.10%		3.10%	2.60%	2.10%	3.10%
Debt instrument, repayment																		$ 5,083,000,000	$ 668,000,000	$ 0
Secured Debt [Member] \| 2016 VML Credit Facility Term [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)							$ 4,120,000,000
Secured Debt [Member] \| 2016 VML Credit Facility Non-Extended Term [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)							269,000,000
Secured Debt [Member] \| 2016 VML Credit Facility Revolving [Member] \| Macao [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							$ 2,000,000,000.0
Line of credit facility, unused capacity, commitment fee percentage							0.50%
Secured Debt [Member] \| 2012 Singapore Credit Facility [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)				$ 3,510,000,000						$ 3,730,000,000												$ 4,800,000,000	$ 5,100,000,000.0
Weighted average interest rate						2.20%								2.60%		2.20%		2.60%	2.20%	2.20%	2.60%
Debt instrument, maximum leverage ratio, through maturity				4.0																		4.0
Debt instrument, repayment																		$ 65,000,000	$ 67,000,000	$ 66,000,000
Secured Debt [Member] \| 2012 Singapore Credit Facility [Member] \| Singapore Swap Offered Rate (SOR) [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate								1.85%
Debt instrument, interest rate, period end rate														3.10%				3.10%			3.10%
Secured Debt [Member] \| 2012 Singapore Credit Facility Term [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)										3,370,000,000													4,600,000,000.0
Debt instrument, maturity date				Mar. 29, 2024				Aug. 28, 2020
Debt instrument, frequency of periodic payment								quarterly
Debt instrument, date of first required payment								Jun. 30, 2018
Debt instrument, periodic payment, principal, percentage of principal, period one								0.50%
Debt instrument, periodic payment, principal, percentage of principal, period two								5.00%
Debt instrument, periodic payment, principal, percentage of principal, period three								18.00%
Secured Debt [Member] \| 2012 Singapore Credit Facility Revolving [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 366,000,000													500,000,000.0
Line of credit facility, expiration date				Sep. 29, 2023				Feb. 28, 2020		Nov. 25, 2017
Line of credit facility, available borrowing capacity (SGD converted to USD at balance sheet date)														$ 362,000,000				$ 362,000,000			$ 495,000,000
Line of credit facility, frequency of payments								0
Secured Debt [Member] \| 2012 Singapore Credit Facility Revolving [Member] \| Minimum [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage								35.00%
Secured Debt [Member] \| 2012 Singapore Credit Facility Revolving [Member] \| Maximum [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage								40.00%
Secured Debt [Member] \| 2012 Singapore Credit Facility Ancillary [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 73,000,000													$ 100,000,000.0
Capital Lease Obligations [Member] \| HVAC Equipment Lease [Member] \| United States [Member]
Debt Instrument [Line Items]
Capital leases, term											10 years
Capital leases, future payments, monthly											$ 300,000
Capital leases, future payments, monthly, annual adjustments											$ 14,000
Senior Notes [Member] \| SCL Senior Notes [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)		$ 5,500,000,000.00
Debt instrument, periodic payment, principal		$ 0
Debt instrument, date of first required payment		Feb. 08, 2019
Senior Notes [Member] \| 4.600% Senior Notes due 2023 [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)		$ 1,800,000,000.00
Debt instrument, maturity date		Aug. 08, 2023
Debt Instrument, interest rate, stated percentage		4.60%
Senior Notes [Member] \| 5.125% Senior Notes due 2025 [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)		$ 1,800,000,000.00
Debt instrument, maturity date		Aug. 08, 2025
Debt Instrument, interest rate, stated percentage		5.125%
Senior Notes [Member] \| 5.400% Senior Notes due 2028 [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, face amount (SGD converted to USD at balance sheet date)		$ 1,900,000,000.00
Debt instrument, maturity date		Aug. 08, 2028
Debt Instrument, interest rate, stated percentage		5.40%
Unsecured Debt [Member] \| 2018 SCL Revolving Facility [Member] \| Macao [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 2,000,000,000.0
Line of credit facility, expiration date	Jul. 31, 2023
Line of credit facility, available borrowing capacity (SGD converted to USD at balance sheet date)														$ 2,000,000,000.0				$ 2,000,000,000.0
Line of credit facility, unused capacity, commitment fee percentage	0.60%
Debt instrument, maximum leverage ratio, through maturity	4.00
Debt instrument, minimum interest coverage ratio, through maturity	2.50
Unsecured Debt [Member] \| 2018 SCL General Revolving Loan [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Unsecured Debt [Member] \| 2018 SCL Swing-Line Loan Sub-Facility [Member] \| Macao [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%