Dividend equivalent payments to holders of restricted stock units.

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

+ Details

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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.

+ Details

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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Capital Transactions - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions											12 Months Ended
	Feb. 02, 2017	May 27, 2016	May 11, 2016	Feb. 02, 2016	May 29, 2015	May 13, 2015	Feb. 03, 2015	May 30, 2014	May 14, 2014	Feb. 06, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Dividends Payable [Line Items]
Dividends per common share (in dollars per share)				$ 0.26			$ 0.23			$ 0.20	$ 0.26	$ 0.23	$ 0.20
Cash dividend payment			$ 192			$ 167			$ 143		$ 195	$ 170	$ 147
Dividend equivalent payment		$ 3			$ 3			$ 4
Subsequent Events
Dividends Payable [Line Items]
Dividends per common share (in dollars per share)	$ 0.30