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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Shareholders' Equity - Ordinary Shares (Details) - USD ($) $ / shares in Units, shares in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Nov. 30, 2014	Apr. 30, 2012
Common Stock Programs
Cost of shares repurchased	$ 1,550,000,000	$ 2,250,000,000	$ 1,102,000,000
Share Repurchase Program [Member]
Common Stock Programs
Number of shares repurchased (in shares)	16.0	25.8
Average price per share of shares purchased under share repurchase program (in dollars per share)	$ 97.04	$ 87.18
Cost of shares repurchased	$ 1,600,000,000	$ 2,300,000,000
Share Repurchase Programs of 2012 and 2014 [Member]
Common Stock Programs
Share repurchase, remaining authorization limit	$ 4,100,000,000
Share Repurchase Program of 2012 [Member]
Common Stock Programs
Share repurchase authorization limit					$ 5,000,000,000.0
Number of shares repurchased (in shares)	78.1
Cost of shares repurchased	$ 5,900,000,000
Share Repurchase Program of 2014 [Member]
Common Stock Programs
Share repurchase authorization limit				$ 5,000,000,000.0