Goodwill and Other Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Jan. 01, 2011
Gross carrying amount	$ 60		$ 60	$ 60
Accumulated amortization	48		48	47	[1]
Amortization expense	1	1
Estimated aggregate annual amortization expense for fiscal year 2011			2
Estimated aggregate annual amortization expense for fiscal year 2012			2
Estimated aggregate annual amortization expense for fiscal year 2013			2
Estimated aggregate annual amortization expense for fiscal year 2014			2
Estimated aggregate annual amortization expense for fiscal year 2015			2
Trademarks [Member]
Gross carrying amount	19		19	19
Accumulated amortization	17		17	16
Other [Member]
Gross carrying amount	41		41	41
Accumulated amortization	$ 31		$ 31	$ 31

[1] * Condensed from audited financial statements.