Subsequent Events (Details) - USD ($)	1 Months Ended
	May. 20, 2016	May. 12, 2016	Apr. 01, 2011
Subsequent Event | Minimum | Long-Term Structural Improvement Restructuring Plan
Subsequent Event [Line Items]
Total expected cost	$ 230,000,000
Subsequent Event | Maximum | Long-Term Structural Improvement Restructuring Plan
Subsequent Event [Line Items]
Total expected cost	280,000,000
Line of Credit | Revolving Credit Facility
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 1,000,000,000
Line of Credit | Revolving Credit Facility | Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity	2,000,000,000	$ 2,000,000,000
Line of Credit | Senior Unsecured Revolving Credit Facility | Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 1,000,000,000
Term (in years)	5 years
Line of Credit | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 1,000,000,000
Term (in years)	3 years