XML 77 R65.htm IDEA: XBRL DOCUMENT v3.5.0.2
Share-Based Compensation - Performance Share Unit Breakout (Details) - Performance Shares [Member] - USD ($)
$ in Millions
Sep. 30, 2016
Jan. 01, 2016
Jan. 01, 2015
Jan. 01, 2014
Payable 2019 [Member] | Year of 2016 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 2,348,893      
Fair Value of Share Based Award $ 18 $ 10    
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent $ 8      
Payable 2018 [Member] | Year of 2015 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 629,694      
Fair Value of Share Based Award $ 3   $ 13  
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent $ 3      
Payable 2017 [Member] | Year of 2014 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 561,215      
Fair Value of Share Based Award $ 0     $ 16
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent $ 0