Exit or Disposal Activities (Total Charges and Program Costs Incurred) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended						36 Months Ended
	Dec. 31, 2011		Jan. 01, 2011		Jan. 02, 2010		Dec. 31, 2011
Employee severance					$ 42
Other cash costs					14
Asset write-offs			29		6
Pension costs					3
Total					65
COGS Program [Member]
Total					40
SGA Programs [Member]
Total	14		15		25
COGS and SGA Programs [Member]
Employee severance	7		6		32		45
Other cash costs	2	[1]	7	[1]	14	[1]	23	[1]
Asset write-offs	3		1		0		4
Pension costs	12	[2]	5	[2]	3	[2]	20	[2]
Total	$ 24		$ 19		$ 49		$ 92

[1] Includes cash costs for equipment removal and relocation.

[2] Pension plan curtailment losses and special termination benefits.