Unrecognized Tax Benefit Reconciliation (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit at beginning of year	$ 39	$ 249	$ 141
Decrease attributable to tax positions taken during a prior period	(10)	(187)
Increase attributable to tax positions taken during a prior period			99
Change attributable to withdrawal of tax positions previously taken or expected to be taken	(6)
Increase attributable to tax positions taken during the current period	19	25	22
Decrease attributable to settlements with taxing authorities	0	(47)	(10)
Decrease attributable to lapse of statute of limitations	(3)	(1)	(3)
Unrecognized tax benefit at end of year	$ 39	$ 39	$ 249