Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2011

Schedule Of Carrying Value And Fair Value Measurement Information For Financial Assets And Liabilities


			Fair Value Measurements Using
	Carrying Amount	Total Fair Value	Level 1 Inputs	Level 2 Inputs	Level 3 Inputs
	(In millions)
June 30, 2011 assets (liabilities):
Short-term investments	$ 3,367	$ 3,367	$ 3,367	$ —	$ —
Long-term investments	$ 93	$ 93	$ —	$ —	$ 93
Commodity derivatives	$ 321	$ 321	$ —	$ 321	$ —
Commodity derivatives	$ (161)	$ (161)	$ —	$ (161)	$ —
Interest rate derivatives	$ 111	$ 111	$ —	$ 111	$ —
Debt	$ (7,930)	$ (8,867)	$ (2,340)	$ (6,423)	$ (104)


			Fair Value Measurements Using
	Carrying Amount	Total Fair Value	Level 1 Inputs	Level 2 Inputs	Level 3 Inputs
	(In millions)
December 31, 2010 assets (liabilities):
Short-term investments	$ 145	$ 145	$ 145	$ —	$ —
Long-term investments	$ 94	$ 94	$ —	$ —	$ 94
Commodity derivatives	$ 249	$ 249	$ —	$ 249	$ —
Commodity derivatives	$ (192)	$ (192)	$ —	$ (192)	$ —
Interest rate derivatives	$ 140	$ 140	$ —	$ 140	$ —
Debt	$ (5,630)	$ (6,629)	$ —	$ (6,485)	$ (144)

Schedule Of Changes In Level 3 Fair Value Assets


	Six Months Ended June 30,
	2011	2010
	(In millions)
Long-term investments balance at beginning of period	$ 94	$ 115
Redemptions of principal	(1)	(18)
Long-term investments balance at end of period	$ 93	$ 97

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation


	Six Months Ended June 30,
	2011	2010
	(In millions)
Debt balance at beginning of period	$ (144)	$ —
Issuance of promissory note	—	(139)
Foreign exchange translation adjustment	(4)	—
Accretion of promissory note	(2)	—
Redemptions of principal	46	—
Debt balance at end of period	$ (104)	$ (139)

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

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