Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011


				Fair Value Measurements at Reporting Date Using
	Carrying Amount in Consolidated Balance Sheets			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
December 31, 2011
Assets:
Cash equivalents	$	1,012,122		$	1,012,122	$	—
Short-term investments		1,362,641			1,362,641		—
Commodity contracts		5,071			—		5,071
Restricted cash and investments		585,833			585,833

Total assets	$	2,965,667		$	2,960,596	$	5,071			—


Liabilities:
Foreign exchange and commodity contracts	$	(21,434	)		—	$	(21,434	)		—


December 31, 2010
Assets:
Cash equivalents	$	1,156,240		$	1,156,240	$	—
Short-term investments		1,153,623			1,153,623		—
Foreign exchange contracts		266			—		266
Restricted cash		598,482			598,482		—

Total assets	$	2,908,611		$	2,908,345	$	266			—


Liabilities:
Commodity contracts	$	(66,661	)		—	$	(66,661	)		—

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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+ Details