Employee Benefit Plans - Additional Information (Detail) £ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016 USD ($)	Dec. 31, 2016 GBP (£)	Dec. 26, 2015 USD ($)	Dec. 27, 2014 USD ($)
Discontinued Operations | European Business | Pension Plan - UK
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plan, contributed amount | £			£ 20
Worldwide Defined Contribution Plans
Defined Benefit Plan Disclosure [Line Items]
Compensation expense relating to retirement savings plans		$ 20,000,000		$ 20,000,000	$ 14,000,000
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]
Decrease in pension obligations		(19,000,000)		(25,000,000)
Change in Mortality Table | Maximum
Defined Benefit Plan Disclosure [Line Items]
Decrease in other postretirement obligations		$ (1,000,000)		$ (1,000,000)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		6.00%	6.00%	5.85%	6.50%
North America | Scenario, Forecast
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets	5.76%
North America | US Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		13.00%	13.00%
Plan asset target allocation, Maximum		23.00%	23.00%
North America | International Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		8.00%	8.00%
Plan asset target allocation, Maximum		18.00%	18.00%
North America | Global Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		5.00%	5.00%
Plan asset target allocation, Maximum		15.00%	15.00%
North America | Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation, Minimum		53.00%	53.00%
Plan asset target allocation, Maximum		63.00%	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]
Pension contributions, current period		3,000,000
Pension contributions, for 2017		3,000,000
Defined benefit pension plan, contributed amount		$ 2,000,000		$ 8,000,000
Europe
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		4.07%	4.07%	4.78%	5.55%
Defined benefit pension plan, contributed amount		$ 29,000,000
Deferred (loss) gain included in accumulated other comprehensive income		$ (1,000,000)		$ 7,000,000
Percentage of allowance expense on assets		0.50%	0.50%
Europe | United Kingdom Government Securities
Defined Benefit Plan Disclosure [Line Items]
Incremental return on UK government securities		4.00%	4.00%