Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Mar. 30, 2013	Sep. 28, 2013	Dec. 31, 2012
Income Tax Expense (Benefit) [Abstract]
Valuation allowance	$ 274,000,000		$ 274,000,000	$ 308,000,000
Valuation allowance - deferred tax assets relating to non-U.S subsidiaries	249,000,000		249,000,000	272,000,000
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance			34,000,000
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		1,300,000,000	1,000,000,000
Undistributed Non U S Earnings	1,000,000,000		1,000,000,000
Impact on effective tax rate resulting from foreign tax credits realized	96,000,000		224,000,000
Unrecognized tax benefits	152,000,000		152,000,000	161,000,000
Unrecognized tax benefits that would impact effective tax rate if recognized	132,000,000		132,000,000	138,000,000
Unrecognized Tax Benefits, Period Increase (Decrease)			61,000,000
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions			63,000,000
Reduction in unrecognized tax benefits arising from settlements with tax authorities			81,000,000
Income Taxes Paid	87,000,000		63,000,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	50,000,000		50,000,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	(75,000,000)		(75,000,000)
Change in cash payment of unrecognized tax benefits, upper end of range			$ 25,000,000