XML 101 R87.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock Compensation Summary of restricted stock activity (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
2016 Performance share awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Shares Issued On Vesting Date Minimum 0.00%    
Performance Award Condition Time Period 3 years    
Non-vested, end of year - weighted-average grant-date fair value $ 80    
Performance Shares Issued On Vesting Date Maximum 200.00%    
Share Based Compensation Arrangement By Share Based Payment Award Performance Target Time Period 3 years    
2015 Performance share awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Shares Issued On Vesting Date Minimum   0.00%  
Performance Award Condition Time Period   3 years  
Non-vested, beginning of year - weighted-average grant-date fair value $ 58    
Non-vested, end of year - weighted-average grant-date fair value   $ 58  
Performance Shares Issued On Vesting Date Maximum   200.00%  
Share Based Compensation Arrangement By Share Based Payment Award Performance Target Time Period   3 years  
2014 Performance share awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Shares Issued On Vesting Date Minimum     0.00%
Performance Award Condition Time Period     3 years
Granted - shares     194,000
Non-vested, beginning of year - weighted-average grant-date fair value   $ 54  
Non-vested, end of year - weighted-average grant-date fair value     $ 54
Performance Shares Issued On Vesting Date Maximum     200.00%
Share Based Compensation Arrangement By Share Based Payment Award Performance Target Time Period     3 years
Restricted Stock and Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-vested, beginning of year - shares 806,000 346,000 318,000
Granted - shares 601,000 617,000 114,000
Vested - shares (116,000) (113,000) (65,000)
Forfeited - shares (125,000) (44,000) (21,000)
Non-vested, end of year - shares 1,166,000 806,000 346,000
Non-vested, beginning of year - weighted-average grant-date fair value $ 57 $ 54 $ 52
Granted - weighted average grant-date fair value 70 59 56
Vested - weighted-average grant-date fair value 56 50 51
Forfeited - weighted-average grant-date fair value 63 58 53
Non-vested, end of year - weighted-average grant-date fair value $ 63 $ 57 $ 54
Vesting period, years 3 years    
Total fair value of restricted stock and restricted stock units vested during period $ 7 $ 7 $ 4