Retirement and Other Employee Benefits (Pension and Postretirement Health Care Benefits) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
U.S. Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	93,000,000	88,000,000	185,000,000	176,000,000
Expected return on plan assets	(98,000,000)	(90,000,000)	(196,000,000)	(182,000,000)
Amortization of unrecognized net loss	21,000,000	33,000,000	44,000,000	66,000,000
Amortization of unrecognized prior service cost (benefit)	0	0	0	0
Net postretirement health care expense (benefits)	16,000,000	31,000,000	33,000,000	60,000,000
Contributions	40,000,000	26,000,000	66,000,000	50,000,000
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	4,000,000	3,000,000	7,000,000	6,000,000
Interest cost	20,000,000	16,000,000	40,000,000	33,000,000
Expected return on plan assets	(23,000,000)	(18,000,000)	(45,000,000)	(37,000,000)
Amortization of unrecognized net loss	3,000,000	3,000,000	6,000,000	6,000,000
Amortization of unrecognized prior service cost (benefit)	2,000,000	(2,000,000)	3,000,000	(4,000,000)
Net postretirement health care expense (benefits)	6,000,000	2,000,000	11,000,000	4,000,000
Contributions	3,000,000	3,000,000	20,000,000	17,000,000
Postretirement Health Care Benefits Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,000,000	0	1,000,000	1,000,000
Interest cost	3,000,000	3,000,000	6,000,000	6,000,000
Expected return on plan assets	(2,000,000)	(3,000,000)	(5,000,000)	(5,000,000)
Amortization of unrecognized net loss	3,000,000	3,000,000	6,000,000	7,000,000
Amortization of unrecognized prior service cost (benefit)	(11,000,000)	(11,000,000)	(21,000,000)	(22,000,000)
Net postretirement health care expense (benefits)	(6,000,000)	(8,000,000)	(13,000,000)	(13,000,000)
Contributions			$ 0	$ 0