The number of acquisitions completed during the period.

No definition available.

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- Definition

The number of acquisitions privately held entities completed during the period.

+ References

No definition available.

+ Details

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- Definition

The percent of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

No definition available.

+ Details

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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-Name Accounting Standards Codification

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-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

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-Paragraph 1

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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-Section 45

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Acquisitions/Divestitures (Narratives) (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Acquisition	Dec. 31, 2014	Dec. 31, 2013
Acquisitions:
Businesses acquired, number (in entities)	2
Businesses acquired, aggregate cost	$ 47
Goodwill	29,871us-gaap_Goodwill	30,556us-gaap_Goodwill	31,184us-gaap_Goodwill
Software
Acquisitions:
Goodwill	20,603	21,000	21,121
Businesses acquired, privately held companies number	2
Acquisitions
Acquisitions:
Acquired intangible asset, weighted average useful life	4 years 11 months
Expected percent of goodwill deductible for tax purposes	11.00%
Total purchase price	47
Goodwill	36
Acquisitions \| Software
Acquisitions:
Goodwill	$ 36