Inventory (Tables)

9 Months Ended

Sep. 30, 2011

Inventory [Abstract]

Inventory Disclosure

	(Stated in millions)
	Sept. 30,		Dec. 31,
	2011		2010
Raw materials & field materials	$	1,971	$	1,833
Work in process		355		249
Finished goods		2,143		1,722
	$	4,469	$	3,804