Rendering

Component: (Network and Table)
Network
141 - Disclosure - Summary of LTIP Award Activity (Detail)
(http://www.accessmidstream.com/taxonomy/role/DisclosureSummaryOfLTIPAwardActivity)
TableSchedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001483096 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]Period [Axis]
2012-01-01 - 2012-12-31
Units
 
Restricted units unvested at beginning of period
273,258  
Granted
332,868  
Vested
(47,810) 
Forfeited
(47,139) 
Restricted units unvested at end of period
511,177  
 
Value per unit
 
Restricted units unvested at beginning of period
28.50  
Granted
28.57  
Vested
28.53  
Forfeited
28.45  
Restricted units unvested at end of period
28.55