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Stock-Based Compensation Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 01, 2013
Jun. 30, 2015
Jun. 29, 2014
Mar. 30, 2014
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock awarded pursuant to Equity Incentive Plan limitations, percent 5.00%        
Number of shares authorized for issuance under Equity Incentive Plan 5,263,000        
Number of shares available for grant under Equity Incentive Plan   2,152,148     2,152,148
Special cash dividend adjustments         251,537
Stock-based compensation expense   $ 9 $ 7 $ 16 $ 17
Employee Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting rights, percent         25.00%
Maximum contractual term, NSO award         10 years
RSU          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting rights, percent         25.00%
Two Year Performance Period | PSU          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period, RSU award         2 years
Three Year Performance Period | PSU          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period, RSU award         3 years