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Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 01, 2018	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 31, 2017
Income Taxes [Line Items]
2017 Tax Act						$ 550
2017 Tax Act, Transition tax						490
2017 Tax Act, State income taxes and foreign withholding taxes						40
2017 Tax Act, Remeasurement of deferred taxes						$ 20
Statutory tax rate				21.00%		35.00%
2017 Tax Act, GILTI effective tax rate				10.50%
Income tax holiday amount				$ 13	$ 11
Income tax holiday per share benefit				$ 0.17	$ 0.14
Effective income tax rate		10.80%	11.00%	15.10%	9.20%
GILTI effective tax rate		2.5		2.5
Foreign currency exchange rate impact		$ 9		$ 4
Effect of stock-based compensation		$ 1	$ 4	$ 7	$ 12
Increase (decrease) in effective tax rate percentage points		5.60%		(1.00%)
Expected change in unrecognized tax benefits in the next twelve months		$ (1)		$ (1)
Accounting Standards Update 2016-16 [Member]
Income Taxes [Line Items]
Retained earnings	$ 4
Ireland [Member]
Income Taxes [Line Items]
Statutory tax rate				12.50%
U.K [Member]
Income Taxes [Line Items]
Statutory tax rate				19.00%
Singapore [Member]
Income Taxes [Line Items]
Statutory tax rate				17.00%
Marginal effective income tax rate				0.00%

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Amount of the related income tax effect of a cumulative effect on retained earnings.

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