CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) (USD $)	0 Months Ended	3 Months Ended	6 Months Ended
Jul. 31, 2014	May 01, 2014	Jan. 30, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF EQUITY
Common dividends, per share (in dollars per share)	$ 0.545	$ 0.545	$ 0.545	$ 0.545	$ 0.525	$ 1.09	$ 1.05

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: 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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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration