Debt (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Revolving credit facility with maturity of 2014 [Member]	Dec. 31, 2011 Revolving credit facility with maturity of 2014 [Member]	Jun. 30, 2012 Revolving credit facility with maturity of 2017 [Member]	Jun. 30, 2012 Senior notes with maturity of 2017 [Member]	Dec. 31, 2011 Senior notes with maturity of 2017 [Member]	Jun. 30, 2012 Senior notes with maturity of 2017 [Member] Minimum [Member]	Jun. 30, 2012 Senior notes with maturity of 2020 [Member]	Feb. 29, 2012 Senior notes with maturity of 2020 [Member]	Jun. 30, 2012 Senior notes with maturity of 2020 [Member] Minimum [Member]	Jun. 30, 2012 CMBS Loan [Member]	Apr. 30, 2012 CMBS Loan [Member]	Mar. 31, 2012 CMBS Loan [Member]	Jan. 31, 2012 CMBS Loan [Member]	Dec. 31, 2011 CMBS Loan [Member]	Apr. 30, 2011 CMBS Loan [Member]	Mar. 31, 2011 CMBS Loan [Member]	Jun. 30, 2012 CMBS Loan [Member] Minimum [Member]	Jun. 30, 2012 Second-priority senior secured notes with maturity of 2018 one [Member]	Dec. 31, 2011 Second-priority senior secured notes with maturity of 2018 one [Member]	Jun. 30, 2012 Second-priority senior secured notes with maturity of 2018 one [Member] Minimum [Member]	Jun. 30, 2012 Second-priority senior secured notes with maturity of 2018 two [Member]	Dec. 31, 2011 Second-priority senior secured notes with maturity of 2018 two [Member]	Jun. 30, 2012 Second-priority senior secured notes with maturity of 2018 two [Member] Minimum [Member]	Jun. 30, 2012 Second priority senior secured notes with maturity of 2015 [Member]	Dec. 31, 2011 Second priority senior secured notes with maturity of 2015 [Member]	Jun. 30, 2012 Second priority senior secured notes with maturity of 2015 [Member] Minimum [Member]	Jun. 30, 2012 Subsidiary-guaranteed senior notes [Member]	Dec. 31, 2011 Subsidiary-guaranteed senior notes [Member]	Jun. 30, 2012 Subsidiary-guaranteed senior notes [Member] Minimum [Member]	Jun. 30, 2012 Subsidiary-guaranteed senior PIK toggle notes [Member]	Dec. 31, 2011 Subsidiary-guaranteed senior PIK toggle notes [Member]	Jun. 30, 2012 Subsidiary-guaranteed senior PIK toggle notes [Member] Maximum [Member]	Jun. 30, 2012 Subsidiary-guaranteed senior PIK toggle notes [Member] Minimum [Member]	Jun. 30, 2012 Credit Facilities Term Loans B1-B3 [Member]	Dec. 31, 2011 Credit Facilities Term Loans B1-B3 [Member]	Jun. 30, 2012 Credit Facilities Term Loans B1-B3 [Member] Maximum [Member]	Jun. 30, 2012 Credit Facilities Term Loans B1-B3 [Member] Minimum [Member]	Jun. 30, 2012 Credit Facilities Term Loan B4 [Member]	Dec. 31, 2011 Credit Facilities Term Loan B4 [Member]	Jun. 30, 2012 Credit Facilities Term Loan B4 [Member] Minimum [Member]	Jun. 30, 2012 Credit Facilities Term Loan B5 [Member]	Dec. 31, 2011 Credit Facilities Term Loan B5 [Member]	Jun. 30, 2012 Credit Facilities Term Loan B5 [Member] Minimum [Member]	Jun. 30, 2012 Credit Facilities Term Loans B6 [Member]	Jun. 30, 2012 Credit Facilities Term Loans B6 [Member] Minimum [Member]	Jun. 30, 2012 Chester Downs Term Loans [Member]	Dec. 31, 2011 Chester Downs Term Loans [Member]	Jun. 30, 2012 Chester Downs Senior Secured Notes [Member]	Feb. 29, 2012 Chester Downs Senior Secured Notes [Member]	Jun. 30, 2012 Chester Downs Senior Secured Notes [Member] Minimum [Member]	Jun. 30, 2012 PHW Las Vegas Senior Secured Loan [Member]	Dec. 31, 2011 PHW Las Vegas Senior Secured Loan [Member]	Jun. 30, 2012 PHW Las Vegas Senior Secured Loan [Member] Minimum [Member]	Jun. 30, 2012 Linq/Octavius Senior Secured Loan [Member]	Dec. 31, 2011 Linq/Octavius Senior Secured Loan [Member]	Jun. 30, 2012 Linq/Octavius Senior Secured Loan [Member] Minimum [Member]	Jun. 30, 2012 Unsecured Senior Debt 5.375% [Member]	Dec. 31, 2011 Unsecured Senior Debt 5.375% [Member]	Jun. 30, 2012 Unsecured Senior Debt 5.375% [Member] Minimum [Member]	Jun. 30, 2012 Unsecured Senior Debt 7.0% [Member]	Dec. 31, 2011 Unsecured Senior Debt 7.0% [Member]	Jun. 30, 2012 Unsecured Senior Debt 7.0% [Member] Minimum [Member]	Jun. 30, 2012 Unsecured Senior Debt 5.625% [Member]	Dec. 31, 2011 Unsecured Senior Debt 5.625% [Member]	Jun. 30, 2012 Unsecured Senior Debt 5.625% [Member] Minimum [Member]	Jun. 30, 2012 Unsecured Senior Debt 6.5% [Member]	Dec. 31, 2011 Unsecured Senior Debt 6.5% [Member]	Jun. 30, 2012 Unsecured Senior Debt 6.5% [Member] Minimum [Member]	Jun. 30, 2012 Unsecured Senior Debt 5.75% [Member]	Dec. 31, 2011 Unsecured Senior Debt 5.75% [Member]	Jun. 30, 2012 Unsecured Senior Debt 5.75% [Member] Minimum [Member]	Jun. 30, 2012 Floating Rate Contingent Convertible Senior Notes [Member]	Dec. 31, 2011 Floating Rate Contingent Convertible Senior Notes [Member]	Jun. 30, 2012 Floating Rate Contingent Convertible Senior Notes [Member] Minimum [Member]	Jun. 30, 2012 Other Unsecured Borrowings Special improvements district bonds [Member]	Dec. 31, 2011 Other Unsecured Borrowings Special improvements district bonds [Member]	Jun. 30, 2012 Other Unsecured Borrowings Special improvements district bonds [Member] Minimum [Member]	Jun. 30, 2012 Other Unsecured Borrowings, Other [Member]	Dec. 31, 2011 Other Unsecured Borrowings, Other [Member]	Jun. 30, 2012 Capital Lease Obligations Various [Member]	Dec. 31, 2011 Capital Lease Obligations Various [Member]	Jun. 30, 2012 Capital Lease Obligations Various [Member] Maximum [Member]	Jun. 30, 2012 Capital Lease Obligations Various [Member] Minimum [Member]
Outstanding debt
Debt Instruments Maturity Date			2014		2017	2017			2020			2015								2018			2018			2015			2016			2018				2015				2016			2018			2018		2016		2020			2015			2017			2013			2013			2015			2016			2017			2024			2037					2014
Senior secured notes issued by Chester Downs								11.25%		8.50%	8.50%								3.24%			12.75%			10.00%			10.00%			10.75%			11.50%	10.75%			3.46%	3.25%			9.50%			4.50%		5.50%				9.25%	9.25%			3.10%			9.25%			5.375%			7.00%			5.625%			6.50%			5.75%			0.57%			5.30%					9.49%	1.10%
Aggregate principal amount of senior secured notes	$ 22,707.4					$ 2,095.0			$ 1,250.0			$ 4,829.1	$ 50.2	$ 70.8	$ 1.0		$ 35.0	$ 73.5		$ 750.0			$ 4,553.1			$ 214.8			$ 478.6			$ 9.2				$ 1,987.0				$ 975.0			$ 1,222.7			$ 2,035.6				$ 330.0	$ 330.0		$ 515.6			$ 450.0			$ 125.2			$ 0.6			$ 364.5			$ 248.7			$ 147.9			$ 0.2			$ 64.3			$ 28.9		$ 31.4
Various rate of interest of debt																																																																																Various
Total debt	19,943.6	19,799.9		155.0		2,057.3	2,054.6		1,250.0			4,824.6				5,026.0				742.5	742.1		2,191.3	2,131.2		168.7	164.2		478.6	478.6		9.2	8.6			1,987.0	5,000.5			957.8	961.2		1,218.5	1,218.2		2,018.0			221.3	330.0			427.8	417.9		446.2	445.9		112.5	108.6		0.6	0.6		296.9	287.7		195.5	190.6		105.8	107.2		0.2	0.2		64.3	65.7		28.9	0.4	31.4	13.6
Long-term Debt, Current Maturities	42.8	40.4
Long-term debt	19,900.8	19,759.5
Current portion of long term debt face value	46.2
Long Term Debt Non Current Face Value	$ 22,661.2