Equity - Movement in Number of Shares in Issue (Details) - shares	9 Months Ended
Oct. 02, 2021	Sep. 26, 2020
Increase (Decrease) in Stockholders' Equity
Balance as of the beginning of the period (in shares)	290,853,067	290,157,299
Exercise of share options (in shares)	496,239	424,726
Vesting of restricted stock units, net of withholding taxes (in shares)	557,430	205,145
Balance as of the end of the period (in shares)	291,906,736	290,787,170

Number of share options (or share units) exercised during the current period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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Period Type:	duration