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Business Combinations and Other Investment Activities	12 Months Ended
	Dec. 31, 2017
Business Combinations [Abstract]
Business Combinations and Other Investment Activities	Business Combinations and Other Investment Activities During 2017, the Company completed one immaterial business acquisition, which complements and strengthens the Company's research and development department, and released hold-back amounts from prior-year acquisitions for $21 million. During 2016, the Company completed one immaterial business acquisition, which complements and strengthens the Company's global portfolio, and released hold-back amounts from several prior-year acquisitions for $16 million. The Company also sold the marketing applications business on July 1, 2016 (see Note 15). During 2015, the Company completed two immaterial business acquisitions for $17 million, which complemented and strengthened the Company's global portfolio. One of the acquisitions pertained to the marketing applications business, which the Company exited on July 1, 2016. In addition, the Company sold two equity investments for $85 million and recognized a gain of $57 million.

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- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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- References

No definition available.

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