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Revenue From Contracts With Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	$ 554,275	$ 437,153
Products [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	496,677	387,938
Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	57,598	49,215
Vacuum & Analysis [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	348,344	277,984
Vacuum & Analysis [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	304,336	241,455
Vacuum & Analysis [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	44,008	36,529
Light & Motion [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	205,931	159,169
Light & Motion [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	192,341	146,483
Light & Motion [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue	$ 13,590	$ 12,686

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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.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 32
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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