Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Manufacturing Group [Member]
Cash payments
Cash paid for interest	$ 135	$ 145	$ 116
Taxes paid, net of refunds received	30	59	49
Finance Group [Member]
Cash payments
Cash paid for interest	89	127	171
Taxes paid, net of refunds received	(65)	101	(75)
Discontinued operations [Member]
Cash payments
Taxes paid, net of refunds received		$ 2	$ 156