Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2011

Accrued Liabilities [Abstract]

Accrued Liabilities

Accrued liabilities consist of (in millions):

	June 30,		December 31,
	2011		2010
Customer prepayments and billings	$	675	$	387
Accrued purchase orders		522		597
Compensation		288		403
Warranty		230		215
Taxes (non income)		91		93
Insurance		67		49
Fair value of derivatives		19		22
Interest		5		11
Other		282		328
Total	$	2,179	$	2,105

Changes in the carrying amount of service and product warranties

The changes in the carrying amount of service and product warranties are as follows (in millions):

Balance at December 31, 2010	$	215
Net provisions for warranties issued during the year		33
Amounts incurred		(20	)
Foreign currency translation and other		2
Balance at June 30, 2011	$	230