v3.7.0.1
Facility Lease Obligations (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Nov. 30, 2012
Mar. 31, 2017
Dec. 31, 2016
Operating Leased Assets [Line Items]      
Facility lease obligation   $ 270 $ 233
CONNECTICUT | Facility Lease Obligation      
Operating Leased Assets [Line Items]      
Facility lease obligation   135 136
Minimum | CONNECTICUT | Construction in Progress      
Operating Leased Assets [Line Items]      
Renewal term (years) 10 years    
Lonza Group AG      
Operating Leased Assets [Line Items]      
Unrecorded unconditional purchase obligation, purchases   29  
Lonza Group AG | Facility Lease Obligation      
Operating Leased Assets [Line Items]      
Facility lease obligation   $ 142 107
Facility lease obligation, payment period (years)   10 years  
Lonza Group AG | Construction in Progress      
Operating Leased Assets [Line Items]      
Property, plant and equipment, gross   $ 158 $ 118
Inventories | Lonza Group AG      
Operating Leased Assets [Line Items]      
Unrecorded unconditional purchase obligation, purchases   25  
Facility Lease Obligation | Lonza Group AG      
Operating Leased Assets [Line Items]      
Unrecorded unconditional purchase obligation, purchases   $ 4