Schedule of Weighted Average Shares Outstanding Used to Compute Earnings Per Common Share (Detail) - shares shares in Millions |
3 Months Ended | |
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Mar. 26, 2017 |
Mar. 27, 2016 |
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| Weighted Average Shares Used In Computing Earnings Per Share [Line Items] | ||
| Weighted average common shares outstanding for basic computations | 290.0 | 304.5 |
| Weighted average dilutive effect of equity awards | 2.8 | 4.2 |
| Weighted average common shares outstanding for diluted computations | 292.8 | 308.7 |
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- Definition Weighted Average Shares Used In Computing Earnings Per Share [Line Items] No definition available.
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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