Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes
Complementary tax rate	12.00%
Amount of complementary tax exemption		$ 77,400,000
Amount of complementary tax exemption (in dollars per share)		$ 0.69
Payments for annual complementary tax obligation		$ 5,500,000
Increase (decrease) in valuation allowance for deferred tax assets		1,100,000,000	$ (64,100,000)
Tax benefits (loss) realized		2,300,000	700,000	$ 1,900,000
Foreign tax credit carryforwards		1,200,000,000
Disallowed interest carryforwards not subject to expiration		682,300,000
U.S. and foreign uncertain tax positions that increase NOL and foreign tax credit carryforward deferred tax assets		135,700,000	135,900,000	141,500,000
Uncertain tax positions, noncurrent		0	0	0
Unrecognized tax benefits that would impact the effective tax rate if recognized		69,000,000	69,000,000	74,300,000
Recognized interest and penalties		0	0	0
Decrease in unrecognized tax benefits due to expiration of the statute of limitations		16,126,000	14,967,000	10,635,000
FTC Carryforward
Income Taxes
Increase (decrease) in valuation allowance for deferred tax assets		971,700,000
Current Year Utilization
Income Taxes
Increase (decrease) in valuation allowance for deferred tax assets		97,500,000
Expirations During Year
Income Taxes
Increase (decrease) in valuation allowance for deferred tax assets		572,600,000
More Than Likely Not Realized
Income Taxes
Increase (decrease) in valuation allowance for deferred tax assets		301,600,000
Disallowed interest expense carryforwards
Income Taxes
Increase (decrease) in valuation allowance for deferred tax assets		158,000,000
Maximum
Income Taxes
Unrecognized tax benefit increase resulting in tax settlements		1,500,000
Tax Credit Carryforward Expiry In 2024
Income Taxes
Foreign tax credit carryforwards		710,700,000
Tax Credit Carryforward, Expires at 2025
Income Taxes
Foreign tax credit carryforwards		47,200,000
Tax Credit Carryforward, Expires at 2027
Income Taxes
Foreign tax credit carryforwards		486,200,000
Wynn Macau
Income Taxes
Decrease in unrecognized tax benefits due to expiration of the statute of limitations		16,100,000	15,000,000	10,600,000
U.S.
Income Taxes
Foreign tax credit carryforwards		1,244,149,000	1,917,822,000
Tax loss carryforward		624,600,000	417,300,000
Foreign
Income Taxes
Tax loss carryforward		$ 55,100,000	$ 424,200,000	$ 394,100,000