Debt - Annual Estimated Debt Service Requirements (Details) $ in Millions	Dec. 31, 2015 USD ($)
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 187
Long-term Debt, Maturities, Repayments of Principal in Year Two	48
Long-term Debt, Maturities, Repayments of Principal in Year Three	50
Long-term Debt, Maturities, Repayments of Principal in Year Four	226
Long-term Debt, Maturities, Repayments of Principal in Year Five	3,650
Long-term Debt, Maturities, Repayments of Principal after Year Five	2,935
Long-term debt, Maturities, Repayments of Principal, Total	7,096
Contractual Obligation, Due in Next Fiscal Year	767
Contractual Obligation, Due in Second Year	628
Contractual Obligation, Due in Third Year	640
Contractual Obligation, Due in Fourth Year	816
Contractual Obligation, Due in Fifth Year	4,220
Contractual Obligation, Due after Fifth Year	3,215
Contractual Obligation, Total	10,286
Caesars Entertainment Resort Properties [Member]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	117
Long-term Debt, Maturities, Repayments of Principal in Year Two	27
Long-term Debt, Maturities, Repayments of Principal in Year Three	25
Long-term Debt, Maturities, Repayments of Principal in Year Four	25
Long-term Debt, Maturities, Repayments of Principal in Year Five	3,350
Long-term Debt, Maturities, Repayments of Principal after Year Five	1,150
Long-term debt, Maturities, Repayments of Principal, Total	4,694
Contractual Obligation, Due in Next Fiscal Year	507
Contractual Obligation, Due in Second Year	417
Contractual Obligation, Due in Third Year	425
Contractual Obligation, Due in Fourth Year	425
Contractual Obligation, Due in Fifth Year	3,750
Contractual Obligation, Due after Fifth Year	1,280
Contractual Obligation, Total	6,804
Caesars Growth Partners, LLC [Member]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	70
Long-term Debt, Maturities, Repayments of Principal in Year Two	21
Long-term Debt, Maturities, Repayments of Principal in Year Three	25
Long-term Debt, Maturities, Repayments of Principal in Year Four	201
Long-term Debt, Maturities, Repayments of Principal in Year Five	300
Long-term Debt, Maturities, Repayments of Principal after Year Five	1,785
Long-term debt, Maturities, Repayments of Principal, Total	2,402
Contractual Obligation, Due in Next Fiscal Year	260
Contractual Obligation, Due in Second Year	211
Contractual Obligation, Due in Third Year	215
Contractual Obligation, Due in Fourth Year	391
Contractual Obligation, Due in Fifth Year	470
Contractual Obligation, Due after Fifth Year	1,935
Contractual Obligation, Total	3,482
Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	580
Other Commitment, Due in Second Year	580
Other Commitment, Due in Third Year	590
Other Commitment, Due in Fourth Year	590
Other Commitment, Due in Fifth Year	570
Other Commitment, Due after Fifth Year	280
Other Commitment, Total	3,190
Interest Expense [Member] | Caesars Entertainment Resort Properties [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	390
Other Commitment, Due in Second Year	390
Other Commitment, Due in Third Year	400
Other Commitment, Due in Fourth Year	400
Other Commitment, Due in Fifth Year	400
Other Commitment, Due after Fifth Year	130
Other Commitment, Total	2,110
Interest Expense [Member] | Caesars Growth Partners, LLC [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	190
Other Commitment, Due in Second Year	190
Other Commitment, Due in Third Year	190
Other Commitment, Due in Fourth Year	190
Other Commitment, Due in Fifth Year	170
Other Commitment, Due after Fifth Year	150
Other Commitment, Total	$ 1,080