Impact Of Change In the Assumed care Cost Trend Rates on Operating Income

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- Definition

Incremental Rate of Return

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No definition available.

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- Definition

Percentage of allowances on assets

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No definition available.

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- Definition

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

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No definition available.

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Expected Long-Term Rate of Return on Plan Assets
-URI http://asc.fasb.org/extlink&oid=6512046

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
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Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
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-Subparagraph (d)(i)
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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period.

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No definition available.

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Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
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- Definition

The increase (decrease) during the reporting period in the amount due to fund retirement benefits to employees, retired and disabled former employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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The increase (decrease) during the reporting period in the amount due to fund non-pension benefits provided to former, retired, and disabled employees.

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Amount of tax expense (benefit) related to (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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- Definition

The amount of costs recognized during the period for non-pension postretirement benefits, such as medical, dental and life insurance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Employee Benefit Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Worldwide Defined Contribution Plans
Defined Benefit Plan Disclosure [Line Items]
Compensation expense relating to retirement savings plans		$ 20,000,000	$ 16,000,000	$ 9,000,000
Maximum
Defined Benefit Plan Disclosure [Line Items]
Accumulated other comprehensive loss, expected to be amortized		1,000,000
Change in Mortality Table
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations		(25,000,000)	36,000,000
Increase (decrease) in other postretirement obligations			$ 1,000,000
Change in Mortality Table \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in other postretirement obligations		$ (1,000,000)
North America \| Scenario, Forecast
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets	6.00%
North America \| US Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		13.00%
Plan asset target allocation, Maximum		23.00%
North America \| International Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		8.00%
Plan asset target allocation, Maximum		18.00%
North America \| Global Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		5.00%
Plan asset target allocation, Maximum		15.00%
North America \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		53.00%
Plan asset target allocation, Maximum		63.00%
North America \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Impact of one-percentage-point change on operating income		$ 1,000,000
North America \| Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		5.85%	6.50%	6.60%
Pension contributions, current period		$ 8,000,000
Pension contributions, for 2016		$ 3,000,000
Europe
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		4.78%	5.55%	6.33%
Deferred loss (gain) included in accumulated other comprehensive income		$ 7,000,000	$ (1,000,000)
Percentage of allowance expense on assets		0.50%
Europe \| Contribution For European Employees
Defined Benefit Plan Disclosure [Line Items]
Nonparticipating annuity premiums		$ 3,000,000	$ 4,000,000	$ 4,000,000
Europe \| United Kingdom Government Securities
Defined Benefit Plan Disclosure [Line Items]
Incremental return on UK government securities		4.00%