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Subsequent Event
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12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2011
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| Subsequent Event [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subsequent Event | On January 29, 2012, the Corporation announced that it had entered into an agreement which will result in the restructuring of its Downstream and Chemical holdings in Japan. Under the agreement, TonenGeneral Sekiyu K. K. (TG), a consolidated subsidiary owned 50 percent by the Corporation, will purchase for approximately $3.9 billion the Corporation's shares of a wholly-owned affiliate in Japan, ExxonMobil Yugen Kaisha, which will result in TG acquiring approximately 200 million of its shares currently owned by the Corporation along with other assets. As a result of the restructuring the Corporation's effective ownership of TG will be reduced to approximately 22 percent. Closing is anticipated in mid-2012. The major classes of assets and liabilities that would have been classified as held for sale if the transaction had met the criteria for held for sale accounting at December 31, 2011, were as follows:
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