Subsequent Events (Details) - USD ($)						12 Months Ended
	Feb. 25, 2016	Feb. 23, 2016	Feb. 02, 2016	Feb. 11, 2015	Feb. 11, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Oct. 11, 2013
Subsequent Event [Line Items]
Repayment of long-term debt (up to)						$ 250,000,000	$ 375,000,000	$ 6,000,000
Term Loan
Subsequent Event [Line Items]
Repayment of long-term debt (up to)				$ 250,000,000	$ 375,000,000
Maximum borrowing capacity									$ 2,500,000,000
Subsequent Events
Subsequent Event [Line Items]
Authorized repayments of long-term debt			$ 1,500,000,000
Subsequent Events | Term Loan
Subsequent Event [Line Items]
Repayment of long-term debt (up to)	$ 500,000,000
Subsequent Events | Term Loan | Credit Facilities
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 3,700,000,000	$ 2,300,000,000
Covenant, Consolidated Total Net Debt ratio, maximum		400.00%
Covenant, Consolidated Total Net Debt ratio, contingent maximum		350.00%
Covenant, Collateral Suspension period from inception		18 months
Subsequent Events | Term Loan | Credit Facilities | Current Period through June 29, 2019
Subsequent Event [Line Items]
Debt Instrument, Redemption Price, Percentage		0.625%
Subsequent Events | Term Loan | Credit Facilities | June 30, 2019 through June 29, 2020
Subsequent Event [Line Items]
Debt Instrument, Redemption Price, Percentage		1.25%
Subsequent Events | Term Loan | Credit Facilities | June 30, 2020 through October 11, 2020
Subsequent Event [Line Items]
Debt Instrument, Redemption Price, Percentage		3.125%
Subsequent Events | Term Loan | Credit Facilities | Federal Funds Effective Rate
Subsequent Event [Line Items]
Applicable margin (as a percent)		0.50%
Subsequent Events | Term Loan | Credit Facilities | 1-Month LIBOR
Subsequent Event [Line Items]
Applicable margin (as a percent)		1.00%
Subsequent Events | Term Loan | Credit Facilities | LIBOR
Subsequent Event [Line Items]
Variable rate interest floor		0.00%
Subsequent Events | Term Loan | Credit Facilities | LIBOR | Minimum
Subsequent Event [Line Items]
Applicable margin (as a percent)		1.50%
Subsequent Events | Term Loan | Credit Facilities | LIBOR | Maximum
Subsequent Event [Line Items]
Applicable margin (as a percent)		2.25%
Subsequent Events | Term Loan | Credit Facilities | Base Rate
Subsequent Event [Line Items]
Variable rate interest floor		1.00%
Subsequent Events | Term Loan | Credit Facilities | Base Rate | Minimum
Subsequent Event [Line Items]
Applicable margin (as a percent)		0.50%
Subsequent Events | Term Loan | Credit Facilities | Base Rate | Maximum
Subsequent Event [Line Items]
Applicable margin (as a percent)		1.25%
Subsequent Events | Revolver | Credit Facilities | 2015 Revolving Credit Facility
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 250,000,000
Subsequent Events | Letter of Credit | Credit Facilities | 2015 Revolving Credit Facility
Subsequent Event [Line Items]
Maximum borrowing capacity		50,000,000
Subsequent Events | King
Subsequent Event [Line Items]
Acquisition consideration transferred		$ 5,900,000,000