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Revenue From Contracts With Customers - Summary of Revenue from Contracts with Customers by Major Market (Detail) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | $ 554,275 | $ 437,153
Vacuum & Analysis [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 348,344 | 277,984
Light & Motion [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 205,931 | 159,169
Semiconductor [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 313,514 | 248,504
Semiconductor [Member] | Vacuum & Analysis [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 275,701 | 218,804
Semiconductor [Member] | Light & Motion [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 37,813 | 29,700
Advanced Markets [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 240,761 | 188,649
Advanced Markets [Member] | Vacuum & Analysis [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | 72,643 | 59,180
Advanced Markets [Member] | Light & Motion [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregation of Revenue | $ 168,118 | $ 129,469

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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 + Details
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