RAYTHEON CO/
| 2013 | FY |
(In millions, except percentages)
2013
2012
Total remediation costs—undiscounted
$
198
$
202
Weighted average risk-free rate
5.6
%
5.6
%
Total remediation costs—discounted
$
133
$
131
Recoverable portion
90
86
us-gaap:EnvironmentalExitCostsByCostTextBlock
