General New Accounting Standards (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
Aug. 31, 2016	Sep. 30, 2016	Sep. 30, 2016	Oct. 02, 2015	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
New accounting pronouncement, effect of adoption, compensation-stock compensation			$ 34.0		$ 66.0
Make-whole premiums to redeem borrowings prior to maturity	$ (188.0)	$ (188.0)	$ (188.1)	$ 0.0

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration