Subsequent Events - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Subsequent Event [Line Items]
Long-term Debt	$ 21,115.5		$ 21,412.1
Change in assets acquired through financing activities and capital leases	67.4		35.8	4.2
Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Debt	721.7		486.0
Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Sales Price Of Subsidiary	2,000.0
Second Lien Notes [Member] | Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Purchase Commitment, Amount	223.0
Secured Debt [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Debt	456.1		438.2
Secured Debt [Member] | Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Debt	1,325.0	[1]
Secured Debt [Member] | Secured Debt [Member] | Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Debt	1,175.0
Secured Debt [Member] | Senior Secured Financing [Member] | Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Debt	150.0
Secured Debt [Member] | Second Lien Notes [Member] | Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Subsequent Event [Line Items]
Long-term Debt	$ 675.0

[1] Guaranteed by Caesars Entertainment.