Income Taxes (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 30, 2013	Dec. 31, 2012
Income Tax Expense (Benefit) [Abstract]
Valuation allowance	$ 304,000,000	$ 308,000,000
Valuation allowance - deferred tax assets relating to non-U.S subsidiaries	267,000,000	272,000,000
Tax benefit related to reversal of deferred tax liabilities	25,000,000
Undistributed earnings that the Company intends to reinvest indefinitely	1,300,000,000	1,000,000,000
Unrecognized tax benefits	167,000,000	161,000,000
Unrecognized tax benefits that would impact effective tax rate if recognized	143,000,000	138,000,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	50,000,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	50,000,000
Change in cash payment of unrecognized tax benefits, lower end of range	0
Change in cash payment of unrecognized tax benefits, upper end of range	$ 25,000,000