Restricted and Performance Stock Unit Activity (Detail) shares in Thousands |
6 Months Ended |
|---|---|
|
Jun. 30, 2017
shares
| |
| Restricted Stock Units Equity Awards | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Beginning Balance | 13,308 |
| Granted | 5,888 |
| Payments | (4,880) |
| Cancelled/Forfeited | (108) |
| Ending Balance | 14,208 |
| Restricted Stock Units Liability Awards | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted | 22,071 |
| Payments | (726) |
| Cancelled/Forfeited | (55) |
| Ending Balance | 21,290 |
| Performance Stock Units | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Beginning Balance | 17,919 |
| Granted | 6,278 |
| Payments | (6,031) |
| Cancelled/Forfeited | (1,198) |
| Ending Balance | 16,968 |