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Stock-Based Compensation and Other Stock Plans - Summary of Changes in Non-Vested Awards (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 9 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Nonvested Performance Shares [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Shares, at beginning of period 207  
Shares, Granted 77  
Shares, Vested (5)  
Shares, Cancellations and other (28)  
Shares, at end of period 251  
Fair Value Price per Share, at beginning of period $ 141.94  
Fair Value Price per Share, Granted 168.70  
Fair Value Price per Share, Vested 142.78  
Fair Value Price per Share, Cancellations and other 154.46  
Fair Value Price per Share, at end of period $ 148.64  
Stock-Settled SARs [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Shares, at beginning of period 303  
Shares, Granted 100  
Shares, Exercised (8)  
Shares, Cancellations and other (22)  
Shares, at end of period 373  
Shares, Exercisable at end of period 179  
Exercise Price Per Share, Outstanding at beginning of period $ 125.38  
Fair Value Price per Share, Granted 24.13 $ 19.47
Exercise Price Per Share, Granted 168.73  
Exercise Price Per Share, Exercised 106.07  
Exercise Price Per Share, Forfeited or expired 124.88  
Exercise Price Per Share, Outstanding at end of period 137.49  
Exercise Price Per Share, Exercisable at end of period $ 118.54  
Remaining Contractual Term, Outstanding at end of period 7 years 9 months 18 days  
Remaining Contractual Term, Exercisable at end of period 6 years 9 months 18 days  
Aggregate Intrinsic Value, Outstanding at end of period $ 6.3  
Aggregate Intrinsic Value, Exercisable at end of period $ 5.4  
Cash-Settled Stock Appreciation Rights [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Shares, at beginning of period 7  
Shares, Granted 1  
Shares, Vested (3)  
Shares, at end of period 5  
Fair Value Price per Share, at beginning of period $ 40.83  
Fair Value Price per Share, Granted 13.52  
Fair Value Price per Share, Vested 26.11  
Fair Value Price per Share, at end of period $ 18.78