Compensation Plans (Other Cash-Based Awards) (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash Awards Under the EIP Plan [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Cash awards	$ 38	$ 60	$ 60
Other Variable Compensation Programs [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Cash awards	$ 151	$ 317	$ 379

Amount of commitment made to pay deferred cash remuneration.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant