XML 89 R76.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation and Other Stock Plans - Summary of Stock Option Activity (Detail) - Stock Option [Member]
$ / shares in Units, shares in Thousands, $ in Millions
 9 Months Ended
Sep. 30, 2017
USD ($)
$ / shares
shares
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]  
Shares, Outstanding at beginning of period | shares 3,011
Shares, Granted | shares 655
Shares, Exercised | shares (278)
Shares, Forfeited or expired | shares (71)
Shares, Outstanding at end of period | shares 3,317
Shares, Exercisable at end of period | shares 2,108
Exercise Price Per Share, Outstanding at beginning of period | $ / shares $ 100.78
Exercise Price Per Share, Granted | $ / shares 168.71
Exercise Price Per Share, Exercised | $ / shares 87.00
Exercise Price Per Share, Forfeited or expired | $ / shares 153.52
Exercise Price Per Share, Outstanding at end of period | $ / shares 114.22
Exercise Price Per Share, Exercisable at end of period | $ / shares $ 90.90
Remaining Contractual Term, Outstanding at end of period 6 years 7 months 6 days
Remaining Contractual Term, Exercisable at end of period 5 years 3 months 19 days
Aggregate Intrinsic Value, Outstanding at end of period | $ $ 127.7
Aggregate Intrinsic Value, Exercisable at end of period | $ $ 122.5