Supplemental Balance Sheet Information (Details) $ in Millions	3 Months Ended
Mar. 19, 2016 USD ($) days	Mar. 21, 2015 USD ($)	Dec. 26, 2015 USD ($)
Accounts and Notes Receivable [Abstract]
Number of days from the period in which the corresponding sales occur that trade receivables are generally due \| days	30
Accounts and notes receivable, gross	$ 438		$ 393
Allowance for doubtful accounts	(20)		(16)
Accounts and notes receivable, net	418		377
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	7,793		7,832
Accumulated depreciation and amortization	(3,682)		(3,643)
Property, plant and equipment, net	4,111		4,189
Assets Held-for-sale, Current	27		$ 28
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance	58
Net Income (loss) - noncontrolling interests	4	$ (1)
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance	54
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance	58
Net Income (loss) - noncontrolling interests	4
Dividends declared	(7)
Currency translation adjustments and other	(1)
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance	$ 54
Redeemable Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	7.00%
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount, Beginning Balance	$ 6
Net Income (loss) - noncontrolling interests	0
Dividends declared	0
Currency translation adjustments and other	1
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount, Ending Balance	$ 7

No definition available.

Name:	us-gaap_AccountsAndNotesReceivableUnclassifiedAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate of amounts due from customers or clients, within one year of the balance sheet date (or one operating cycle, if longer), for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date within one year of the balance sheet, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.