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Schedule Of Other Income, Net (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Component of Other Income, Nonoperating [Line Items]
Equity loss (income)	$ 10	$ (22)	$ 12	$ (26)
Interest income	(4)	(5)	(10)	(11)
Foreign currency losses (gains), net	11	(9)	(1)	(30)
Net (gain) loss from asset sales	(1)		1	1
Net loss (gain) on mark-to-market derivative contracts (N)	2	(18)	9	(27)
Other, net	4	4	(5)	15
Other expenses (income), net (H)	$ 22	$ (50)	$ 6	$ (78)

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Foreign Currency Transaction Gain Loss After Tax

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The gains (losses) included in earnings resulting from the sale or disposal of tangible assets. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property.

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Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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