Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
	Apr. 03, 2010	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Effective income tax rate		27.40%	27.00%	28.50%
Tax benefit for change in United Kingdom statutory tax rate			$ 7,000,000
Accumulated foreign earnings considered permanently reinvested		1,700,000,000
Deferred taxes related to remaining unremitted foreign earnings		5,000,000	25,000,000
Unremitted foreign earnings		258,000,000
Increased or reduced certain liabilities for uncertain tax positions	13,000,000			(42,000,000)
Reversal of valuation allowance against U.S. foreign tax credits		(4.40%)	(4.90%)	(4.40%)
Tax benefits of carryforwards		61,000,000	41,000,000
Valuation allowances		50,000,000	38,000,000
Expiration of tax credit carryforwards, 2014		3,000,000
Expiration of tax credit carryforwards, 2015		3,000,000
Decrease in deferred tax liability for unremitted foreign earnings		(20,000,000)
Cash paid for income taxes		508,000,000	271,000,000	409,000,000
Percentage of provision for U.S. Federal income taxes to consolidated income tax provision		70.00%
Unrecognized tax benefits classified as a current liability		21,000,000
Projected additions to unrecognized tax benefits related primarily to ongoing intercompany transfer pricing activity		9,000,000
Unrecognized tax benefits that would affect the Company's effective tax rate in future periods		59,000,000
Increase or (reduction) in tax-related interest and penalties		4,000,000	(3,000,000)	2,000,000
Accrued tax-related interest and penalties		$ 19,000,000	$ 16,000,000	$ (26,000,000)