Subsequent Events (Details) - Subsequent Event [Member] shares in Millions, $ in Millions	Feb. 10, 2016 USD ($) shares
Subsequent Event [Line Items]
Accelerated share repurchases, initial price to be paid \| $	$ 200
Accelerated share repurchases, shares \| shares	1.3
Accelerated share repurchases, percentages of shares to be repurchased	75.00%

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.

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