Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Schedule Of Major Categories Of Financial Assets And Liabilities Measured On A Recurring Basis

		Fair value measurements at reporting date using
	June 30,  2012	Quoted prices in active markets for identical assets (Level 1)	Significant other observable inputs (Level 2)	Significant unobservable inputs (Level 3)
Current assets:
Short-term investments	$1,337	$1,337
Other current assets (1)	$     47		$47
Non-current assets:
Other assets (1)(2)	$     37		$37
Current liabilities:
Other accrued liabilities (1)	$     34		$34
Non-current liabilities:
Other liabilities (1)	$       4		$  4

(1) Derivative assets and liabilities include foreign exchange contracts which are measured using observable quoted prices for similar assets and liabilities.

(2) Other assets include $35 million of asset-backed securities which are measured using observable quoted prices for similar assets.

		Fair value measurements at reporting date using
	December 31,  2011	Quoted prices in active markets for identical assets (Level 1)	Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Current assets:
Short-term investments	$1,164	$1,155	$    9	(1)
Other current assets (2)	$    12		$  12
Non-current assets:
Other assets (3)	$    35		$  35
Current liabilities:
Other accrued liabilities (2)	$  163		$163
Non-current liabilities:
Other liabilities (2)	$      6		$    6

(1) Short-term investments are measured using observable quoted prices for similar assets.

(2) Derivative assets and liabilities include foreign exchange contracts which are measured using observable quoted prices for similar assets and liabilities.

(3) Other assets include asset-backed securities which are measured using observable quoted prices for similar assets.