v2.4.0.8

Shareholders' Equity And Net Income Per Share Share Repurchase Program (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended					1 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Share Repurchase Program January 2012 [Member]	Jun. 30, 2014 Share Repurchase Program September 2012 [Member]	Jun. 30, 2014 Share Repurchase Program January 2014 [Member]	Jul. 30, 2014 Subsequent Event [Member]	Jul. 31, 2014 Subsequent Event [Member] Share Repurchase Program January 2014 [Member]
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount					$ 300	$ 750	$ 1,000
Stock Repurchased During Period, Shares	3,267,998	2,445,583	5,644,389	5,295,583
Stock Repurchased, Average Price per Share	$ 67.43	$ 49.12	$ 66.89	$ 45.71
Stock Repurchased During Period, Value	220	120	378	242				120
Stock Repurchase Program, Remaining Authorized Repurchase Amount							$ 813		$ 693

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- Definition

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

+ References

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

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 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

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- Definition

Amount of stock repurchase plan authorized.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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