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Organization and Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 27, 2020
Accounting Policies [Abstract]  
Summary of Calculation of Weighted Average Shares used to Calculate Basic and Diluted Earnings Per Share, Earnings Per Share
The following table presents the calculation of weighted average shares used to calculate basic and diluted earnings per share:
In millionsQ3 2020Q3 2019YTD 2020YTD 2019
Weighted average shares outstanding146 147 147 147 
Effect of potentially dilutive common shares from:
Equity awards1 1 1 1 
Convertible senior notes1 — — 1 
Weighted average shares used in calculating diluted earnings per share148 148 148 149