Retirement and Other Employee Benefits (Pension and Postretirement Health Care Benefits) (Details) (USD $)	0 Months Ended		3 Months Ended		9 Months Ended
	Sep. 22, 2014 retiree	Sep. 27, 2014	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Defined Benefit Plan Disclosure [Line Items]
Number of retirees receiving pension payments	30,000
Weighted average discount		4.53%
Expected long term rate of return		5.80%
Defined Benefit Plan, Funded Status of Plan		$ (1,500,000,000)	$ (1,500,000,000)		$ (1,500,000,000)
Accumulated other comprehensive income (loss)		(3,400,000,000)	(3,400,000,000)		(3,400,000,000)
Maximum dollar amount of lump-sum distribution			1,000,000,000
Remeasurement of Postretirement Health Care Benefit Plan, net of tax of $27			(45,000,000)	0	(45,000,000)	0
U.S. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost			0	0	0	0
Interest cost			93,000,000	88,000,000	278,000,000	264,000,000
Expected return on plan assets			(97,000,000)	(91,000,000)	(294,000,000)	(273,000,000)
Amortization of unrecognized net loss			23,000,000	31,000,000	68,000,000	95,000,000
Amortization of unrecognized prior service cost (benefit)			0	0	0	0
Net periodic pension cost (benefit)			19,000,000	28,000,000	52,000,000	86,000,000
Contributions			397,000,000	72,000,000	463,000,000	122,000,000
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost			4,000,000	2,000,000	11,000,000	8,000,000
Interest cost			20,000,000	19,000,000	61,000,000	52,000,000
Expected return on plan assets			(23,000,000)	(21,000,000)	(69,000,000)	(58,000,000)
Amortization of unrecognized net loss			3,000,000	5,000,000	9,000,000	11,000,000
Amortization of unrecognized prior service cost (benefit)			(2,000,000)	(1,000,000)	(5,000,000)	(5,000,000)
Net periodic pension cost (benefit)			2,000,000	4,000,000	7,000,000	8,000,000
Contributions			7,000,000	7,000,000	27,000,000	24,000,000
Postretirement Health Care Benefits Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost			0	1,000,000	1,000,000	2,000,000
Interest cost			2,000,000	3,000,000	8,000,000	9,000,000
Expected return on plan assets			(3,000,000)	(2,000,000)	(7,000,000)	(7,000,000)
Amortization of unrecognized net loss			1,000,000	5,000,000	7,000,000	12,000,000
Amortization of unrecognized prior service cost (benefit)			(13,000,000)	(11,000,000)	(35,000,000)	(33,000,000)
Net periodic pension cost (benefit)			(13,000,000)	(4,000,000)	(26,000,000)	(17,000,000)
Contributions			$ 0	$ 0	$ 0	$ 0