Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Consolidated Statement of Comprehensive Income [Abstract]
Net income	$ 225	$ 326	$ 926	$ 989	$ 1,808
Other comprehensive income, pre-tax:
Foreign currency translation adjustments, pre-tax	(87)	63	(54)	(28)
Cash flow hedges, pre-tax:
Unrealized gain (loss) on cash flow hedges, pre-tax	(2)	(7)	(26)	5
Reclassification to net income, pre-tax	0	(2)	(11)	(4)
Postretirement and postemployment benefit amounts arising during the period, pre-tax:
Prior service credit (cost), pre-tax	19	(1)	10	(1)
Postretirement and postemployment benefits reclassification to net income, pre-tax:
Net experience loss, pre-tax	1	1	3	4
Prior service cost, pre-tax	2	4	8	10
Other comprehensive income (loss), pre-tax	(67)	58	(70)	(14)
Other comprehensive income (loss), tax (expense) or benefit
Foreign currency translation adjustments, tax (expense) or benefit	(17)		(17)
Cash flow hedges, tax effect:
Unrealized gain (loss) on cash flow hedges, tax (expense) or benefit	4	3	11	0
Reclassification to net earnings - tax (expense) or benefit	0		3
Postretirement and postemployment benefit amounts arising during the period, tax effect:
Prior service credit (cost), tax (expense) or benefit	(7)		(4)
Postretirement and postemployment benefits reclassification to net income, tax effect:
Prior service cost, tax (expense) or benefit	(1)	(1)	(3)	(3)
Other comprehensive income (loss), tax (expense) or benefit	(21)	2	(10)	(3)
Other comprehensive income (loss), after tax
Foreign currency translation adjustments, after-tax	(104)	63	(71)	(28)
Cash flow hedges, after-tax:
Unrealized gain (loss) on cash flow hedges, after-tax	2	(4)	(15)	5
Reclassification to net income, after-tax	0	(2)	(8)	(4)
Postretirement and postemployment benefit amounts arising during the period, after-tax:
Prior service credit (cost), after-tax	12	(1)	6	(1)
Postretirement and postemployment benefits reclassification to net income, after-tax:
Net experience loss, after-tax	1	1	3	4
Prior service cost, after-tax	1	3	5	7
Other comprehensive income, after-tax	(88)	60	(80)	(17)	10
Comprehensive income	$ 137	$ 386	$ 846	$ 972