Retirement and Other Benefits (Pension and Postretirement Health Care Benefits) (Details) (USD $)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
U.S. Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	93,000,000	88,000,000
Expected return on plan assets	(98,000,000)	(92,000,000)
Amortization of unrecognized net loss	22,000,000	33,000,000
Amortization of unrecognized prior service cost	0	0
Net postretirement health care expense (benefits)	17,000,000	29,000,000
Contributions	26,000,000	24,000,000
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	4,000,000	3,000,000
Interest cost	20,000,000	17,000,000
Expected return on plan assets	(23,000,000)	(19,000,000)
Amortization of unrecognized net loss	3,000,000	3,000,000
Amortization of unrecognized prior service cost	2,000,000	(2,000,000)
Net postretirement health care expense (benefits)	6,000,000	2,000,000
Contributions	17,000,000	13,000,000
Postretirement Health Care Benefits Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,000,000	1,000,000
Interest cost	3,000,000	3,000,000
Expected return on plan assets	(2,000,000)	(2,000,000)
Amortization of unrecognized net loss	3,000,000	4,000,000
Amortization of unrecognized prior service cost	(12,000,000)	(11,000,000)
Net postretirement health care expense (benefits)	(7,000,000)	(5,000,000)
Contributions	$ 0	$ 0