Stock-Based Employee Compensation - Summary of Stock Option Activity (Details) - Stock Option [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
LVSC 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning balance (in shares)	8,937,266
Granted (in shares)	4,513,468	875,474	1,204,145
Exercised (in shares)	(121,710)
Forfeited or expired (in shares)	(64,507)
Outstanding, ending balance (in shares)	13,264,517	8,937,266
Exercisable as of the end of the period (in shares)	5,946,626
Outstanding, beginning balance, weighted average exercise price (in usd per share)	$ 57.16
Granted, weighted average exercise price (in usd per share)	34.34
Exercised, weighted average exercise price (in usd per share)	58.73
Forfeited or expired, weighted average exercise price (in usd per share)	63.48
Outstanding, ending balance, weighted average exercise price (in usd per share)	49.35	$ 57.16
Exercisable as of the end of the period, weighted average exercise price (in usd per share)	$ 58.64
Outstanding, weighted average remaining contractual life (in years)	7 years 18 days
Exercisable, weighted average remaining contractual life (in years)	4 years 9 months 25 days
Outstanding, aggregate intrinsic value	$ 15
Exercisable, aggregate intrinsic value	$ 0
SCL Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning balance (in shares)	54,417,800
Granted (in shares)	0	0	19,409,600
Exercised (in shares)	(3,070,100)
Forfeited or expired (in shares)	(3,167,400)
Outstanding, ending balance (in shares)	48,180,300	54,417,800
Exercisable as of the end of the period (in shares)	37,620,100
Outstanding, beginning balance, weighted average exercise price (in usd per share)	$ 4.96
Exercised, weighted average exercise price (in usd per share)	3.91
Forfeited or expired, weighted average exercise price (in usd per share)	5.32
Outstanding, ending balance, weighted average exercise price (in usd per share)	5.01	$ 4.96
Exercisable as of the end of the period, weighted average exercise price (in usd per share)	$ 4.94
Outstanding, weighted average remaining contractual life (in years)	5 years 6 months 21 days
Exercisable, weighted average remaining contractual life (in years)	5 years 2 months 1 day
Outstanding, aggregate intrinsic value	$ 0
Exercisable, aggregate intrinsic value	$ 0

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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