Subsequent event (Details) |
Mar. 15, 2018
USD ($)
|
|---|---|
| Subsequent events | 2018 Share Repurchase Program | |
| Subsequent event | |
| Authorized amount of share repurchase program | $ 625,000,000 |
| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|