Contractual Commitments Contractual Commitments (Details) $ in Millions	Mar. 31, 2016 USD ($)
Other Commitments [Line Items]
Deferred compensation liability	$ 43
Trust for Benefit of Employees [Member]
Other Commitments [Line Items]
Assets Held-in-trust	64
Escrow for Benefit of Employees [Member]
Other Commitments [Line Items]
Assets Held-in-trust	54
Caesars Entertainment Operating Company [Member]
Other Commitments [Line Items]
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent	30
Other Insurance Product Line [Member]
Other Commitments [Line Items]
Self Insurance Reserve	154
Health Insurance Product Line [Member]
Other Commitments [Line Items]
Self Insurance Reserve	$ 11