XML 125 R106.htm IDEA: XBRL DOCUMENT v3.3.1.900
Employee Benefit Plans (Summary of Stock Unit Activity) (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Units, Issued [1] (1,071,424)  
Restricted Stock Units (RSUs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Units, Outstanding, Beginning of period 3,646,916  
Units, Granted 970,268  
Units, Forfeited (80,729)  
Units, Issued (1,401,840)  
Units, Outstanding, End of period 3,134,615  
Units, Not Vested, End of period 1,874,062  
Units, Outstanding, Beginning of period $ 46.83  
Units, Granted 74.09 $ 73.28
Units, Forfeited 61.17  
Units, Issued 34.99  
Units, Outstanding, End of period 60.19  
Units, Not Vested, End of period $ 60.99  
Units, Issued $ 107 $ 116
[1] All option awards presented in this table are for Phillips 66 stock only, including those awards held by ConocoPhillips employees.