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v2.4.0.6

Goodwill (Details 1) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Impairment charge increase/(decrease) due to assumptions and factor change |
Credit-adjusted risk-free rate as positive change | 10.00%
Credit-adjusted risk-free rate as negative change | (10.00%)
After-tax cash flows as positive change | 10.00%
After-tax cash flows as negative change | (10.00%)
Fuel Specialties [Member] |
Impairment charge increase/(decrease) due to assumptions and factor change |
Credit-adjusted risk-free rate, Approximate Increase/ (Decrease) to Impairment Charge as positive change | 0
Credit-adjusted risk-free rate, Approximate Increase/ (Decrease) to Impairment Charge as negative change | 0
After-tax cash flows, Approximate Increase/ (Decrease) to Impairment Charge as positive change | 0
After-tax cash flows, Approximate Increase/ (Decrease) to Impairment Charge as negative change | 0
Performance Chemicals [Member] |
Impairment charge increase/(decrease) due to assumptions and factor change |
Credit-adjusted risk-free rate, Approximate Increase/ (Decrease) to Impairment Charge as positive change | 0
Credit-adjusted risk-free rate, Approximate Increase/ (Decrease) to Impairment Charge as negative change | 0
After-tax cash flows, Approximate Increase/ (Decrease) to Impairment Charge as positive change | 0
After-tax cash flows, Approximate Increase/ (Decrease) to Impairment Charge as negative change | 0
Octane Additives [Member] |
Impairment charge increase/(decrease) due to assumptions and factor change |
Credit-adjusted risk-free rate, Approximate Increase/ (Decrease) to Impairment Charge as positive change | 0
Credit-adjusted risk-free rate, Approximate Increase/ (Decrease) to Impairment Charge as negative change | 0
After-tax cash flows, Approximate Increase/ (Decrease) to Impairment Charge as positive change | 2.4
After-tax cash flows, Approximate Increase/ (Decrease) to Impairment Charge as negative change | 2.4

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