Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013
Consolidated Statement of Comprehensive Income [Abstract]
Net income	$ 295	$ 352	$ 701	$ 663	$ 1,808
Other comprehensive income, pre-tax:
Foreign currency translation adjustments, pre-tax	30	(51)	33	(91)
Cash flow hedges, pre-tax:
Unrealized gain (loss) on cash flow hedges, pre-tax	(23)	1	(24)	12
Reclassification to net income, pre-tax	(1)	(2)	(11)	(2)
Postretirement and postemployment benefit amounts arising during the period, pre-tax:
Prior service credit (cost), pre-tax	(9)		(9)
Postretirement and postemployment benefits reclassification to net income, pre-tax:
Net experience loss, pre-tax	1	1	2	3
Prior service cost, pre-tax	4	3	6	6
Other comprehensive income (loss), pre-tax	2	(48)	(3)	(72)
Cash flow hedges, tax effect:
Unrealized gain (loss) on cash flow hedges, tax (expense) or benefit	7		7	(3)
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	3		3
Postretirement and postemployment benefits reclassification to net income, tax effect:
Prior service cost, tax (expense) or benefit	(1)	(1)	(2)	(2)
Other comprehensive income (loss), tax (expense) or benefit	9	(1)	11	(5)
Other comprehensive income (loss), after tax
Foreign currency translation adjustments, after-tax	30	(51)	33	(91)
Cash flow hedges, after-tax:
Unrealized gain (loss) on cash flow hedges, after-tax	(16)	1	(17)	9
Reclassification to net income, after-tax	(1)	(2)	(8)	(2)
Postretirement and postemployment benefit amounts arising during the period, after-tax:
Prior service credit (cost), after-tax	(6)		(6)
Postretirement and postemployment benefits reclassification to net income, after-tax:
Net experience loss, after-tax	1	1	2	3
Prior service cost, after-tax	3	2	4	4
Other comprehensive income, after-tax	11	(49)	8	(77)	10
Comprehensive income	$ 306	$ 303	$ 709	$ 586