Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Six months ended June 30,
	2012		2011
	(unaudited)		(unaudited)
	(in US Dollars, millions)
	Pension benefits	Other benefits	Pension benefits	Other benefits
Service cost	4	22	3	1
Interest cost	10	7	11	7
Expected return on plan assets	(14)	-	(14)	-
Net periodic benefit cost	-	29	-	8