Stock Plans and Share-Based Compensation (Stock Awards for Directors) (Details) - USD ($) $ / shares in Units, shares in Thousands	12 Months Ended
	Dec. 25, 2015	Dec. 26, 2014	Dec. 27, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Expense	$ 12,000,000	$ 33,000,000	$ 14,000,000
Non-management Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual retainer to be paid to non-management directors, cash option	90,000
Annual retainer to be paid to non-management directors, common stock option	$ 150,000
Shares Issued to Directors	62	79	105
Share-Based Compensation Expense	$ 2,000,000	$ 2,000,000	$ 2,000,000
Weighted Average Grant Date Stock Price (dollars per share)	$ 34.59	$ 28.01	$ 23.12