Retirement Benefits (Net Periodic Pension Costs) (Details) (USD $)		3 Months Ended
	Jan. 01, 2007	Mar. 31, 2012 U.S. Pension Plan [Member]	Apr. 02, 2011 U.S. Pension Plan [Member]	Mar. 31, 2012 Non-U.S. Plans [Member]	Apr. 02, 2011 Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		$ 0	$ 0	$ 3,000,000	$ 6,000,000
Interest cost		88,000,000	88,000,000	18,000,000	18,000,000
Expected return on plan assets		(106,000,000)	(98,000,000)	(19,000,000)	(20,000,000)
Amortization of unrecognized net loss		68,000,000	48,000,000	5,000,000	3,000,000
Amortization of unrecognized prior service credit		0	0	(1,000,000)	(2,000,000)
Settlement/curtailment loss		0	1,000,000	0	0
Net periodic pension cost		50,000,000	39,000,000	6,000,000	5,000,000
Additional eligible compensation	175,000
Contributions		$ 60,000,000		$ 15,000,000