Accumulated change, pretax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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The time period estimated for the anticipated transfer of gains (losses), net from accumulated other comprehensive income into earnings.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Aggregate notional amount of price risk derivatives for instruments with notional amounts expressed in nonmonetary units.

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Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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Aggregate notional amount of all nonderivative instruments that are designated as hedging instruments in a hedge of the net investment of foreign operations. For example, foreign currency denominated intercompany loans.

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- Definition

The amount of net gains or losses on price risk cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income.

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Current period adjustment in other comprehensive income reflecting gains or losses on foreign currency transactions that are designated as, and are effective as, hedges of a net investment in a foreign entity, net of tax effect.

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Amount of unrealized gain (loss) arising from the change in fair value of price risk derivatives designated as cash flow hedging instruments recorded in accumulated other comprehensive income in the period, before taxes, to the extent that the cash flow hedge is determined to be effective.

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Derivative Instruments (Details 2) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 EUR (€)	Jun. 30, 2011 Commodity futures contracts Cash Flow Hedges USD ($)	Jun. 30, 2010 Commodity futures contracts Cash Flow Hedges USD ($)	Jun. 30, 2011 Commodity futures contracts Cash Flow Hedges USD ($)	Jun. 30, 2010 Commodity futures contracts Cash Flow Hedges USD ($)
Derivatives and Hedges
Coverage of commodity futures contracts (in MM BTUs)						6,300,000	4,800,000	6,300,000	4,800,000
Unrecognized loss included in Accumulated OCI						$ 2	$ 2	$ 2	$ 2
Period during which unrecognized loss included in Accumulated OCI will be reclassified into earnings								From 12 months to 24 months
Commodity futures contracts gain (loss) recognized in OCI						(1)	1	(2)	(6)
Commodity futures contracts gain (loss) reclassified from accumulated OCI into income						(1)	(4)	(3)	(5)
Senior notes designated as net investment hedge					225
Net investment hedge gain (loss) recognized in OCI	(7)	27	(25)	51
Forward exchange and option agreements in various currencies	890	610	890	610
Foreign exchange contracts gain (loss) recognized in Other expense	$ (17)	$ 18	$ (24)	$ 41