XML 86 R71.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 27 - Cash Flow Disclosures (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Statement Line Items [Line Items] |
Disclosure of detailed information about cash flow disclosures [text block] |
|  |  |  |  | Year ended December 31, |
(i) |  |  | Changes in working capital |  | 2017 |  |  | 2016 |  |  | 2015 |
|  |  |  | Inventories |  |  | (804,415 | ) |  |  | 244,720 |  |  |  | 936,402 |
|  |  |  | Receivables and prepayments and Current tax assets |  |  | (6,662 | ) |  |  | 70,874 |  |  |  | 60,009 |
|  |  |  | Trade receivables |  |  | (259,375 | ) |  |  | 146,824 |  |  |  | 828,265 |
|  |  |  | Other liabilities |  |  | 4,226 |  |  |  | (79,046 | ) |  |  | (123,904 | )
|  |  |  | Customer advances |  |  | 17,039 |  |  |  | (95,112 | ) |  |  | 1,171 |
|  |  |  | Trade payables |  |  | 193,905 |  |  |  | 59,939 |  |  |  | (327,958 | )
|  |  |  |  |  |  | (855,282 | ) |  |  | 348,199 |  |  |  | 1,373,985 |
| (ii) |  |  | Income tax accruals less payments |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  | Tax accrued |  |  | (17,136 | ) |  |  | 41,441 |  |  |  | 244,505 |
|  |  |  | Taxes paid |  |  | (176,853 | ) |  |  | (169,520 | ) |  |  | (335,585 | )
|  |  |  |  |  |  | (193,989 | ) |  |  | (128,079 | ) |  |  | (91,080 | )
| (iii) |  |  | Interest accruals less payments, net |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  | Interest accrued |  |  | (20,534 | ) |  |  | (43,872 | ) |  |  | (11,517 | )
|  |  |  | Interest received |  |  | 50,001 |  |  |  | 60,163 |  |  |  | 56,835 |
|  |  |  | Interest paid |  |  | (17,917 | ) |  |  | (18,858 | ) |  |  | (18,696 | )
|  |  |  |  |  |  | 11,550 |  |  |  | (2,567 | ) |  |  | 26,622 |
| (iv) |  |  | Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  | Cash at banks, liquidity funds and short - term investments |  |  | 330,221 |  |  |  | 399,900 |  |  |  | 286,547 |
|  |  |  | Bank overdrafts |  |  | (131 | ) |  |  | (1,320 | ) |  |  | (349 | )
|  |  |  |  |  |  | 330,090 |  |  |  | 398,580 |  |  |  | 286,198 |

X
- Definition The disclosure of detailed information about cash flow disclosures. + References No definition available. + Details
Name: | ts_DisclosureOfDetailedInformationAboutCashFlowDisclosuresTextBlock
Namespace Prefix: | ts_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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