XML 115 R56.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Segment Reporting [Abstract] |
Net Revenues by Product Segment and by Product Line | The following tables present the Company’s consolidated net revenues and consolidated operating income by reportable segment. Net revenues by reportable segment:
|  | December 31, 2019 |  |  | December 31, 2018 |  |  | December 31, 2017 |
Automotive and Discrete Group (ADG) |  |  | 3,606 |  |  |  | 3,556 |  |  |  | 3,059 |
Analog, MEMS and Sensors Group (AMS) |  |  | 3,299 |  |  |  | 3,154 |  |  |  | 2,630 |
Microcontrollers and Digital ICs Group (MDG) |  |  | 2,638 |  |  |  | 2,940 |  |  |  | 2,646 |
Total net revenues of product segments |  |  | 9,543 |  |  |  | 9,650 |  |  |  | 8,335 |
Others |  |  | 13 |  |  |  | 14 |  |  |  | 12 |
Total consolidated net revenues |  |  | 9,556 |  |  |  | 9,664 |  |  |  | 8,347 |
Operating Income by Reportable Segment | Operating income by reportable segment:
|  | December 31, 2019 |  |  | December 31, 2018 |  |  | December 31, 2017 |
Automotive and Discrete Group (ADG) |  |  | 357 |  |  |  | 431 |  |  |  | 291 |
Analog, MEMS and Sensors Group (AMS) |  |  | 596 |  |  |  | 488 |  |  |  | 364 |
Microcontrollers and Digital ICs Group (MDG) |  |  | 354 |  |  |  | 547 |  |  |  | 405 |
Total operating income of product segments |  |  | 1,307 |  |  |  | 1,466 |  |  |  | 1,060 |
Others(1) (2) |  |  | (104 | ) |  |  | (66 | ) |  |  | (55 | )
Total consolidated operating income (3) |  |  | 1,203 |  |  |  | 1,400 |  |  |  | 1,005 |
| (1) | Operating results of “Others” include items such as unused capacity charges, impairment & restructuring charges and other related closure costs, management reorganization expenses, phase out and start-up costs, and other unallocated expenses such as: strategic or special research and development programs, certain corporate-level operating expenses, patent claims and litigations, and other costs that are not allocated to product groups, as well as assembly services and other revenue.
| (2) | Effective January 1, 2018, the Subsystems business unit was transferred from Others to Analog, MEMS and Sensors Group (AMS). Prior periods have been restated accordingly.
| (3) | Certain amounts presented in the year ended December 31, 2017 have been adjusted to reflect the January 1, 2018 adoption of ASU 2017-07 related to the reclassification of certain pension costs.
Reconciliation of Operating Income of Segments to Total Operating Income | Reconciliation of operating income of segments to the total operating income:
|  | December 31, 2019 |  |  | December 31, 2018 |  |  | December 31, 2017 |
Total operating income of segments |  |  | 1,307 |  |  |  | 1,466 |  |  |  | 1,060 |
Impairment, restructuring charges and other related closure costs |  |  | (5 | ) |  |  | (21 | ) |  |  | (45 | )
Unallocated manufacturing results |  |  | (90 | ) |  |  | 1 |  |  |  | 7 |
Strategic and other research and development programs and other non-allocated provisions(1) |  |  | (9 | ) |  |  | (46 | ) |  |  | (17 | )
Total operating loss Others |  |  | (104 | ) |  |  | (66 | ) |  |  | (55 | )
Total consolidated operating income |  |  | 1,203 |  |  |  | 1,400 |  |  |  | 1,005 |
| (1) | Includes unallocated income and expenses such as certain corporate-level operating expenses and other costs/income that are not allocated to the product segments.
Net Revenues | Net revenues
|  | December 31, 2019 |  |  | December 31, 2018 |  |  | December 31, 2017 |
Netherlands |  |  | 2,842 |  |  |  | 2,917 |  |  |  | 2,223 |
France |  |  | 108 |  |  |  | 127 |  |  |  | 123 |
Italy |  |  | 59 |  |  |  | 64 |  |  |  | 60 |
USA |  |  | 1,157 |  |  |  | 1,132 |  |  |  | 1,012 |
Singapore |  |  | 4,857 |  |  |  | 4,873 |  |  |  | 4,444 |
Japan |  |  | 520 |  |  |  | 534 |  |  |  | 463 |
Other countries |  |  | 13 |  |  |  | 17 |  |  |  | 22 |
Total |  |  | 9,556 |  |  |  | 9,664 |  |  |  | 8,347 |
Property, Plant & Equipment | Property, plant and equipment
|  | December 31, 2019 |  |  | December 31, 2018 |
Netherlands |  |  | 897 |  |  |  | 775 |
France |  |  | 726 |  |  |  | 686 |
Italy |  |  | 900 |  |  |  | 786 |
Other European countries |  |  | 117 |  |  |  | 81 |
USA |  |  | 25 |  |  |  | 6 |
Singapore |  |  | 670 |  |  |  | 494 |
Malaysia |  |  | 218 |  |  |  | 231 |
Other countries |  |  | 454 |  |  |  | 436 |
Total |  |  | 4,007 |  |  |  | 3,495 |

X
- Definition Net revenues by product lines. + References No definition available. + Details
Name: | stm_NetRevenuesByProductLinesTableTextBlock
Namespace Prefix: | stm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating income (loss) by product segment. + References No definition available. + Details
Name: | stm_OperatingIncomeLossByProductSegmentTableTextBlock
Namespace Prefix: | stm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8924-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
Name: | us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the names of foreign countries in which material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
Name: | us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
Name: | us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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