Accumulated Other Comprehensive Income Activity, Net of Tax (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ 1,603
Other comprehensive income (loss) activity before reclassifications		19	$ (76)
Reclassification of foreign currency translation adjustments realized upon disposal of business	[1]	(164)
Tax impact		(14)	(1)
Total other comprehensive (loss), net of tax, where applicable		(159)	(77)	$ (165)
Ending Balance		1,852	1,603
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		108	186
Other comprehensive income (loss) activity before reclassifications		(11)	(78)
Reclassification of foreign currency translation adjustments realized upon disposal of business	[1]	(164)
Total other comprehensive (loss), net of tax, where applicable		(175)	(78)
Ending Balance		(67)	108	186
Change in Deferred Pension
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(78)	(79)
Other comprehensive income (loss) activity before reclassifications		30	2
Tax impact		(14)	(1)
Total other comprehensive (loss), net of tax, where applicable		16	1
Ending Balance		(62)	(78)	(79)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		30	107
Total other comprehensive (loss), net of tax, where applicable		(159)	(77)	(165)
Ending Balance		$ (129)	$ 30	$ 107

[1] Amounts in parentheses indicate an increase to earnings.