Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.4.0.3
Stock-Based Compensation (Details)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2016
USD ($)
$ / shares
shares
Common Class A  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding options, Beginning Balance 2,360,000
Options granted 0
Options exercised (159,000)
Outstanding options, Ending Balance 2,201,000
Exercisable options 2,117,000
Outstanding WAEP, Beginning of period | $ / shares $ 23.36
WAEP exercised | $ / shares 22.73
Outstanding WAEP, End of period | $ / shares 23.40
Exercisable WAEP | $ / shares $ 23.29
Weighted average remaining life, outstanding 2 years 10 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 2 years 9 months 18 days
Outstanding options, aggregate intrinsic value | $ $ 34
Exercisable Options, Aggregate Intrinsic Value | $ $ 32
Common Class B  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Options granted 0
Common Class C  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding options, Beginning Balance 10,613,000
Options granted 785,000
Options exercised (369,000)
Outstanding options, Ending Balance 11,029,000
Exercisable options 4,960,000
Outstanding WAEP, Beginning of period | $ / shares $ 30.09
WAEP granted | $ / shares 37.66
WAEP exercised | $ / shares 22.51
Outstanding WAEP, End of period | $ / shares 30.88
Exercisable WAEP | $ / shares $ 25.17
Weighted average remaining life, outstanding 5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years 3 months 18 days
Outstanding options, aggregate intrinsic value | $ $ 81
Exercisable Options, Aggregate Intrinsic Value | $ $ 64