XML 96 R79.htm IDEA: XBRL DOCUMENT v3.3.1.900

Shareholders' Equity (Cash Dividends Declared) (Details) - $ / shares	3 Months Ended												12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Class of Stock [Line Items]
Cash dividends declared per common share (USD per share)	$ 1.31	$ 0.31	$ 0.31	$ 0.31	$ 2.96	$ 0.30	$ 0.30	$ 0.3	$ 0.3	$ 0.25	$ 0.25	$ 0.25	$ 2.24	$ 3.86	$ 1.05
Dividends Declared, Special [Member]
Class of Stock [Line Items]
Cash dividends declared per common share (USD per share)	$ 1				$ 2.65

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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