Subsequent Event (Details) - 2018 Program [Member] - Subsequent Event [Member] $ in Millions	Jul. 31, 2018 USD ($)
Share Repurchase [Line Items]
Stock Repurchase Program, Authorized Amount	$ 1,000.0
2018 Program - Accelerated Share Repurchase Authorized	$ 250.0

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.

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration