Accumulated Other Comprehensive Loss and Other Comprehensive Income (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 04, 2015	Mar. 29, 2014
Pension and postretirement benefits adjustments, Pre-Tax:
Amortization of net actuarial loss included in net periodic pension cost, pre-tax	$ 39	$ 29
Amortization of prior service cost included in net periodic pension cost, pre-tax	(2)	(2)
Pension and postretirement benefits adjustments, net, Pre-Tax	37	27
Deferred gains/losses on hedge contracts, pre-tax:
Current deferrals, pre-tax	(21)	(11)
Reclassification adjustments included in net income, pre-tax	6	2
Deferred gains/losses on hedge contracts, net, pre-tax	(15)	(9)
Foreign currency translation adjustments, pre-tax	(52)	(7)
Other comprehensive income, pre-tax	(30)	11
Pension and postretirement benefits adjustments, Tax (Expense) Benefit:
Amortization of net actuarial loss included in net periodic pension cost, tax	(14)	(10)
Amortization of prior service cost included in net periodic pension cost, tax	1	1
Pension and postretirement benefits adjustments, net, tax	(13)	(9)
Deferred gains/losses on hedge contracts, tax:
Current deferrals, tax	5	2
Reclassification adjustments included in net income, tax	(2)
Deferred gains/losses on hedge contracts, net, tax	3	2
Foreign currency translation adjustments, Tax	(4)	1
Other comprehensive income, Tax	(14)	(6)
Pension and postretirement benefits adjustments, After Tax Amount:
Amortization of net actuarial loss included in net periodic pension cost, after tax	25	19
Amortization of prior service cost included in net periodic pension cost, after tax	(1)	(1)
Pension and postretirement benefits adjustments net, After-Tax	24	18
Deferred gains/losses on hedge contracts, after tax:
Current deferrals, after tax	(16)	(9)
Reclassification adjustments included in net income, after tax	4	2
Deferred gains/losses on hedge contracts, net, after tax	(12)	(7)
Foreign currency translation adjustments, after Tax	(56)	(6)
Other comprehensive (loss) income	$ (44)	$ 5