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v3.7.0.1

Other - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 26, 2017 | Mar. 26, 2017 | Mar. 27, 2016
Additional charge to costs |  | $ 120 |
Additional charge to costs, after tax |  | $ 74 |
Additional charge to costs, per share |  | $ 0.25 |
Cumulative losses including reserves | $ 260 |  |
Increase in operating profit due to profit rate adjustments |  | $ 290 | $ 360
Increase in net earnings due to profit rate adjustments |  | $ 189 | $ 234
Increase in diluted earnings per common share due to profit rate adjustments |  | $ 0.65 | $ 0.76
Effective income tax rate |  | 23.30% | 18.90%
Percentage of reduction of effective tax rate due to equity awards tax benefit |  | 6.20% | 10.40%

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