The cash outflow associated with tax withholding obligations upon release of vested restricted stock units.

No definition available.

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- Definition

The cash outflow to reacquire common stock during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: 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=31042434&loc=d3e3291-108585

+ Details

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

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- Definition

Amount of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

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- Definition

Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

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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

+ Details

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- Definition

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

+ References

+ Details

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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.

+ 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 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

Reference 4: 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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- Details

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Treasury Stock (Details) (USD $)	3 Months Ended		0 Months Ended	1 Months Ended
Treasury Stock (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Apr. 30, 2014	Oct. 31, 2014
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 5,400,000,000
Amount used to repurchase stock	124,928,000	0
Available to repurchase common stock	163,500,000
Amount expended on share repurchases in open market transactions	124,900,000	0
Number of shares repurchased	1,982,115us-gaap_TreasuryStockSharesAcquired	0us-gaap_TreasuryStockSharesAcquired
Average per share price on share repurchases in open market transactions (in dollars per share)	$ 63.03	$ 0.00
Number of shares withheld to satisfy minimum tax withholding obligations	412,466	368,310
Payment for tax withholding related to vested stock units	26,200,000	21,200,000
Senior Notes Due 2019 [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period, value			1,500,000,000
Stock repurchased during the period, shares			1,700,000
Privately Negotiated Transaction [Member]
Equity, Class of Treasury Stock [Line Items]
Amount used to repurchase stock			101,000,000
Purchase From Accelerated Share Repurchase [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period, value			$ 1,400,000,000
Stock repurchased during the period, shares			21,800,000	2,600,000