Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Changes in Level 3 Fair Value Measurements
	December 31, 2016
(In millions)	CEC Convertible Notes		PropCo Call Option
Balance as of beginning of period	$	—	$	—
Loss in deconsolidation and restructuring of CEOC and other	1,600		131
Balance as of end of period	$	1,600	$	131

Assets [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Investments
(In millions)	Balance		Level 1		Level 2		Level 3
December 31, 2016
Assets:
Government bonds	$	47	$	—	$	47	$	—
December 31, 2015
Assets:
Equity securities	$	4	$	4	$	—	$	—
Government bonds	67		—		67		—
Total assets at fair value	$	71	$	4	$	67	$	—

Liability [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Estimated Fair Value
(In millions)	Balance		Level 1		Level 2		Level 3
December 31, 2016
Accrual for consider to be issued associated with the Restructuring:
CEC convertible notes	$	1,600	$	—	$	—	$	1,600
CEC common shares (1)	1,936		—		1,936		—
PropCo Call Right	131		—		—		131
Total liabilities at fair value	$	3,667	$	—	$	1,936	$	1,731

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⁽¹⁾  Includes $23 million related to the $200 million equity buyback that was reclassified from level 3 to level 2 during 2016.