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Financial Instruments Automotive Narrative (Details) (Federal-Mogul [Member], USD $) In Millions, unless otherwise specified | 6 Months Ended |  | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended
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Jun. 30, 2012 Cash Flow Hedging [Member] | Dec. 31, 2011 Cash Flow Hedging [Member] | Jun. 30, 2012 Designated as Hedging Instrument [Member] Cash Flow Hedging [Member] | Dec. 31, 2011 Designated as Hedging Instrument [Member] Cash Flow Hedging [Member] | Jun. 30, 2012 Designated as Hedging Instrument [Member] Cash Flow Hedging [Member] Maximum [Member] | Jun. 30, 2012 Designated as Hedging Instrument [Member] Cash Flow Hedging [Member] Interest rate swap contracts [Member] | Dec. 31, 2011 Designated as Hedging Instrument [Member] Cash Flow Hedging [Member] Interest rate swap contracts [Member] | Jun. 30, 2012 Not Designated as Hedging Instrument [Member] Cash Flow Hedging [Member] | Jun. 30, 2012 Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member] number_of_customers
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Maximum length of time hedged in interest rate cash flow hedge |  |  |  |  |  | 5 years |  |  |
Notional value of interest rate swap agreements |  |  |  |  |  | $ 1,190 |  |  |
Combined average fixed interest rate on interest rate swap agreements |  |  |  |  |  | 5.37% |  |  |
Unrealized net losses on interest rate swap hedges |  |  |  |  |  | 28 | 44 |  |
Losses on interest rate swap agreements expected to be reclassified |  |  |  |  |  | 27 |  |  |
Expected change in interest expense from 25 basis point change in interest rates, 2013 |  |  |  |  |  | 6 |  |  |
Expected change in interest expense from 25 basis point change in interest rates, 2014 |  |  |  |  |  | 7 |  |  |
Expected change in interest expense from 25 basis point change in interest rates, 2015 |  |  |  |  |  | 2 |  |  |
Notional value of price hedge contracts | 78 | 117 | 73 | 117 |  |  |  |  |
Price Risk Cash Flow Hedge Derivatives, Contractual Term | 1 year |  |  |  |  |  |  |  |
Unrealized net losses on price hedge contracts |  |  | (7) | (15) |  |  |  |  |
Notional value of foreign currency hedge contracts | 78 | 27 | 14 | 27 |  |  |  |  |
Foreign Currency Cash Flow Hedge Derivatives, Contractual Term | P1Y |  |  |  |  |  |  |  |
Unrealized net gains on foreign currency hedge contracts |  |  |  | 3 | 1 |  |  |  |
Notional value of foreign currency contracts entered during the period |  |  |  |  |  |  |  | $ 64 |
Number of customers accounting for more than 6% of direct sales |  |  |  |  |  |  |  |  | 0
Concentration of risk threshold, percentage of direct sales |  |  |  |  |  |  |  |  | 6.00%

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