Debt - Annual Debt Service Requirement (Details) $ in Millions	Sep. 30, 2016 USD ($)	[1]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 16
Long-term Debt, Maturities, Repayments of Principal in Year Two	47
Long-term Debt, Maturities, Repayments of Principal in Year Three	50
Long-term Debt, Maturities, Repayments of Principal in Year Four	224
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	6,922
Contractual Obligation, Due in Next Fiscal Year	286
Contractual Obligation, Due in Second Year	607
Contractual Obligation, Due in Third Year	610
Contractual Obligation, Due in Fourth Year	784
Contractual Obligation, Due in Fifth Year	4,140
Contractual Obligation, Due after Fifth Year	3,195
Contractual Obligation	9,622
Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	270
Other Commitment, Due in Second Year	560
Other Commitment, Due in Third Year	560
Other Commitment, Due in Fourth Year	560
Other Commitment, Due in Fifth Year	490
Other Commitment, Due after Fifth Year	260
Other Commitment	2,700
Caesars Entertainment Resort Properties [Member]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	10
Long-term Debt, Maturities, Repayments of Principal in Year Two	26
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	4,586
Contractual Obligation, Due in Next Fiscal Year	200
Contractual Obligation, Due in Second Year	406
Contractual Obligation, Due in Third Year	405
Contractual Obligation, Due in Fourth Year	405
Contractual Obligation, Due in Fifth Year	3,690
Contractual Obligation, Due after Fifth Year	1,280
Contractual Obligation	6,386
Caesars Entertainment Resort Properties [Member] | Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	190
Other Commitment, Due in Second Year	380
Other Commitment, Due in Third Year	380
Other Commitment, Due in Fourth Year	380
Other Commitment, Due in Fifth Year	340
Other Commitment, Due after Fifth Year	130
Other Commitment	1,800
Caesars Growth Partners, LLC [Member]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	6
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	199
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	2,336
Contractual Obligation, Due in Next Fiscal Year	86
Contractual Obligation, Due in Second Year	201
Contractual Obligation, Due in Third Year	205
Contractual Obligation, Due in Fourth Year	379
Contractual Obligation, Due in Fifth Year	450
Contractual Obligation, Due after Fifth Year	1,915
Contractual Obligation	3,236
Caesars Growth Partners, LLC [Member] | Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	80
Other Commitment, Due in Second Year	180
Other Commitment, Due in Third Year	180
Other Commitment, Due in Fourth Year	180
Other Commitment, Due in Fifth Year	150
Other Commitment, Due after Fifth Year	130
Other Commitment	$ 900

[1] Debt principal payments are estimated amounts based on maturity dates and potential borrowings under our revolving credit facility. Interest payments are estimated based on the forward-looking LIBOR curve. Actual payments may differ from these estimates.