Long-Term Debt - 5% Convertible Notes (Details) $ / shares in Units, shares in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($)	Oct. 06, 2017 USD ($)
Long-term debt
Interest rate (as a percent)	4.30%
Common stock, par value (in dollars per share) | $ / shares	$ 0.00001	$ 0.00001
Cash paid to settle convertible notes	$ 367,000,000	$ 903,000,000	$ 0
Loss on extinguishment of debt	(236,000,000)	$ (197,000,000)	$ (8,000,000)
Former Caesars 5% Convertible Notes
Long-term debt
Common stock held in trust	$ 12,000,000
Shares issued upon conversion (in shares) | shares	5
Assets held-in-trust	$ 14,000,000
Former Caesars 5% Convertible Notes | Senior Notes
Long-term debt
Interest rate (as a percent)	5.00%	5.00%		5.00%
Debt instrument, face amount				$ 1,100,000,000
Fraction of common share issued per outstanding dollar of debt	0.014
Common stock, par value (in dollars per share) | $ / shares	$ 1.17
Debt conversion price (in dollars per share) | $ / shares	$ 1.00
Cash paid to settle convertible notes	$ 367,000,000
Other income (loss)	16,000,000
Loss on extinguishment of debt	$ (23,000,000)