Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes (Textual) [Abstract]
Income tax expense	$ 88	$ 69	$ 13
U.S. Federal statutory rate	35.00%	35.00%	35.00%
Valuation allowance	225	247
Net tax benefits related to US taxable income	7
Deferred tax assets related to NOL's	90
Reducing in tax loss carryforward due to realization domestic and state tax loss	53	9
Deferred tax assets net of valuation allowance in certain foreign jurisdictions	23
Unremitted earnings of foreign subsidiaries	698
Estimated income tax liability related to unremitted earnings of foreign subsidiaries	269
Accrued penalties related to unrecognized tax benefits	0	0	2
Accrued interest related to uncertain tax positions	2	less than 1 million	0
Uncertain tax positions that would affect the effective tax rate if recognized	36	36	28
Liability for penalties on unrecognized tax benefits	2	3	3
Liability for interest on unrecognized tax benefits	7	5	4
Estimated decrease in unrecognized tax benefits related to the expiration of foreign statute of limitations and the conclusion of foreign income tax examinations that may occur within the coming year	4
Impact on earnings related to reversal of valuation allowance	$ 147
Federal [Member]
Income Taxes (Additional Textual) [Abstract]
NOL's expiration period	tax years ending in 2021 through 2029
State [Member]
Income Taxes (Additional Textual) [Abstract]
NOL's expiration period	tax years ending through 2029