XML 46 R29.htm IDEA: XBRL DOCUMENT
v3.20.4

REVENUE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following tables disaggregate WESCO’s net sales by segment and geography for the periods presented:
| Year Ended December 31,
(In thousands) | 2020 |  | 2019 |  | 2018
Electrical & Electronic Solutions | $ | 5,479,760 |  |  | $ | 4,860,541 |  |  | $ | 4,878,836 |
Communications & Security Solutions | 3,323,264 |  |  | 909,496 |  |  | 857,481 |
Utility & Broadband Solutions | 3,522,971 |  |  | 2,588,880 |  |  | 2,440,284 |
Total by segment | $ | 12,325,995 |  |  | $ | 8,358,917 |  |  | $ | 8,176,601 |
| Year Ended December 31,
(In thousands) | 2020 |  | 2019 |  | 2018
United States | $ | 9,110,453 |  |  | $ | 6,234,119 |  |  | $ | 6,089,130 |
Canada | 1,892,321 |  |  | 1,647,066 |  |  | 1,647,933 |
Other International (1) | 1,323,221 |  |  | 477,732 |  |  | 439,538 |
Total by geography (2) | $ | 12,325,995 |  |  | $ | 8,358,917 |  |  | $ | 8,176,601 |
(1) No individual other international country's net sales are material. (2) WESCO attributes revenues from external customers to individual countries on the basis of point of sale.

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration