Debt - Annual Debt Service Requirement (Details) $ in Millions	Mar. 31, 2016 USD ($)
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 48
Long-term Debt, Maturities, Repayments of Principal in Year Two	137
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	2,936
Long-term debt, Maturities, Repayments of Principal, Total	7,047
Contractual Obligation, Due in Next Fiscal Year	538
Contractual Obligation, Due in Second Year	697
Contractual Obligation, Due in Third Year	610
Contractual Obligation, Due in Fourth Year	786
Contractual Obligation, Due in Fifth Year	4,200
Contractual Obligation, Due after Fifth Year	3,216
Contractual Obligation	10,047
Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	490
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	550
Other Commitment, Due after Fifth Year	280
Other Commitment	3,000
Caesars Entertainment Resort Properties [Member]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	30
Long-term Debt, Maturities, Repayments of Principal in Year Two	101
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	4,681
Contractual Obligation, Due in Next Fiscal Year	370
Contractual Obligation, Due in Second Year	481
Contractual Obligation, Due in Third Year	405
Contractual Obligation, Due in Fourth Year	405
Contractual Obligation, Due in Fifth Year	3,740
Contractual Obligation, Due after Fifth Year	1,280
Contractual Obligation	6,681
Caesars Entertainment Resort Properties [Member] | Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	340
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	390
Other Commitment, Due after Fifth Year	130
Other Commitment	2,000
Caesars Growth Partners, LLC [Member]
Other Commitments [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	18
Long-term Debt, Maturities, Repayments of Principal in Year Two	36
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	1,786
Long-term debt, Maturities, Repayments of Principal, Total	2,366
Contractual Obligation, Due in Next Fiscal Year	168
Contractual Obligation, Due in Second Year	216
Contractual Obligation, Due in Third Year	205
Contractual Obligation, Due in Fourth Year	381
Contractual Obligation, Due in Fifth Year	460
Contractual Obligation, Due after Fifth Year	1,936
Contractual Obligation	3,366
Caesars Growth Partners, LLC [Member] | Interest Expense [Member]
Other Commitments [Line Items]
Other Commitment, Due in Next Twelve Months	150
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	160
Other Commitment, Due after Fifth Year	150
Other Commitment	$ 1,000