Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended				12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012		Jun. 29, 2013		Jun. 30, 2012		Dec. 29, 2012
Consolidated Statement of Comprehensive Income [Abstract]
Net income	$ 352	$ 324		$ 663		$ 675		$ 961
Other comprehensive income, pre-tax:
Foreign currency translation adjustments, pre-tax	(51)	(121)	[1]	(91)	[1]	(26)	[1]
Cash flow hedges, pre-tax:
Unrealized gain (loss) on cash flow hedges, pre-tax	1	0		12		(8)
Reclassification to net income, pre-tax	(2)	5		(2)		9
Postretirement and postemployment benefit amounts arising during the period, pre-tax:
Net experience gain (loss), pre-tax		(3)	[1]			(3)	[1]
Prior service credit (cost), pre-tax		(10)	[1]			(10)	[1]
Postretirement and postemployment benefits reclassification to net income, pre-tax:
Net experience loss, pre-tax	1	1	[1]	3		2	[1]
Prior service cost, pre-tax	3	3	[1]	6		7	[1]
Other comprehensive income (loss), pre-tax	(48)	(125)		(72)		(29)
Other comprehensive income (loss), tax (expense) or benefit
Foreign currency translation adjustments, tax (expense) or benefit	0	0		0		2
Cash flow hedges, tax effect:
Unrealized gain (loss) on cash flow hedges, tax (expense) or benefit	0	0		(3)		3
Reclassification to net income, tax (expense) or benefit	0	(2)		0		(3)
Postretirement and postemployment benefit amounts arising during the period, tax effect:
Net experience gain (loss), tax (expense) or benefit		1	[1]			1	[1]
Prior service credit (cost), tax (expense) or benefit		3	[1]			3	[1]
Postretirement and postemployment benefits reclassification to net income, tax effect:
Net experience loss, tax (expense) or benefit	0	0	[1]	0		0	[1]
Prior service cost, tax (expense) or benefit	(1)	(1)	[1]	(2)		(2)	[1]
Other comprehensive income (loss), tax (expense) or benefit	(1)	1		(5)		4
Other comprehensive income (loss), after tax
Foreign currency translation adjustments, after-tax	(51)	(121)	[1]	(91)	[1]	(24)	[1]
Cash flow hedges, after-tax:
Unrealized gain (loss) on cash flow hedges, after-tax	1	0		9		(5)
Reclassification to net income, after-tax	(2)	3		(2)		6
Postretirement and postemployment benefit amounts arising during the period, after-tax:
Net experience gain (loss), after-tax		(2)	[1]			(2)	[1]
Prior service credit (cost), after-tax		(7)	[1]			(7)	[1]
Postretirement and postemployment benefits reclassification to net income, after-tax:
Net experience loss, after-tax	1	1	[1]	3		2	[1]
Prior service cost, after-tax	2	2	[1]	4		5	[1]
Other comprehensive income, after-tax	(49)	(124)		(77)	[2]	(25)		60	[2]
Comprehensive income	$ 303	$ 200		$ 586		$ 650

[1] Amounts have been revised as discussed in Note 2 and Note 7 to the financial statements.

[2] Amounts have been revised as discussed in Note 2 to the financial statements.