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

No definition available.

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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=66006027&loc=d3e16265-109275

+ 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

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

+ Details

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-Section 50
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-Subparagraph (b)
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-Publisher FASB
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-Topic 805
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-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

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Balance Type:	credit
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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
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Publisher FASB
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-Publisher FASB
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-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

+ Details

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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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ACQUISITIONS/DIVESTITURES - Businesses Acquired, 2014 (Details) $ in Millions	12 Months Ended
	Dec. 31, 2014 USD ($) item	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
ACQUISITIONS
Goodwill	$ 30,556	$ 36,199	$ 32,021
Cognitive Solutions
ACQUISITIONS
Goodwill	15,156	19,484	15,621
Technology Services & Cloud Platforms
ACQUISITIONS
Goodwill	$ 9,373	$ 10,258	$ 10,156
2014 Acquisitions
ACQUISITIONS
Businesses acquired, number (in entities) \| item	6
Businesses acquired, aggregate cost	$ 608
Acquired intangible asset, weighted average useful life	6 years 9 months 18 days
Goodwill	$ 442
Expected percent of goodwill deductible for tax purposes	1.00%
Percentage of business acquired (as a percent)	100.00%
2014 Acquisitions \| Cognitive Solutions
ACQUISITIONS
Businesses acquired, number (in entities) \| item	4
Goodwill	$ 311
2014 Acquisitions \| Technology Services & Cloud Platforms
ACQUISITIONS
Businesses acquired, number (in entities) \| item	2
Goodwill	$ 131