Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Dec. 28, 2013
Consolidated Statement of Comprehensive Income [Abstract]
Net income	$ 406	$ 311	$ 1,808
Other comprehensive income, pre-tax:
Foreign currency translation adjustments, pre-tax	3	(28)
Cash flow hedges, pre-tax:
Unrealized gain (loss) on cash flow hedges, pre-tax	(1)	11
Reclassification to net income, pre-tax	10	0
Postretirement and postemployment benefits reclassification to net income, pre-tax:
Net experience loss, pre-tax	1	2
Prior service cost, pre-tax	2	3
Other comprehensive income (loss), pre-tax	(5)	(12)
Other comprehensive income (loss), tax (expense) or benefit
Foreign currency translation adjustments, tax (expense) or benefit	0	0
Cash flow hedges, tax effect:
Unrealized gain (loss) on cash flow hedges, tax (expense) or benefit	0	(3)
Reclassification to net earnings - tax (expense) or benefit	(3)	0
Postretirement and postemployment benefits reclassification to net income, tax effect:
Net experience loss, tax (expense) or benefit	0	0
Prior service cost, tax (expense) or benefit	(1)	(1)
Other comprehensive income (loss), tax (expense) or benefit	2	(4)
Other comprehensive income (loss), after tax
Foreign currency translation adjustments, after-tax	3	(28)
Cash flow hedges, after-tax:
Unrealized gain (loss) on cash flow hedges, after-tax	(1)	8
Reclassification to net income, after-tax	(7)	0
Postretirement and postemployment benefits reclassification to net income, after-tax:
Net experience loss, after-tax	1	(2)
Prior service cost, after-tax	1	2
Other comprehensive income, after-tax	(3)	(16)	10
Comprehensive income	$ 403	$ 295