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Non-current and current financial debts | 6 Months Ended
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Jun. 30, 2021
Disclosure Of Borrowings [Abstract] |
Non-current and current financial debts | Non-current and current financial debts The below table summarizes non-current and current Financial debts outstanding as of June 30, 2021 and December 31, 2020.
($ millions) |  | June 30, 2021 |  | December 31, 2020
Non-current financial debts |  |  |  |
Facility B |  | 795 |  |  | 794 |
Facility C |  | 416 |  |  | 429 |
Local facilities (Japan) |  | 49 |  |  | — |
Series 2026 notes |  | 496 |  |  | 496 |
Series 2029 notes |  | 992 |  |  | 992 |
Series 2030 notes |  | 744 |  |  | 744 |
Series 2049 notes |  | 494 |  |  | 494 |
Revolving facility |  | — |  |  | — |
Total non-current financial debts |  | 3,986 |  |  | 3,949 |
Current financial debts |  |  |  |
Local facilities: |  |  |  |
Japan |  | 75 |  |  | 101 |
All others |  | 37 |  |  | 49 |
Other short-term financial debts |  | 20 |  |  | 12 |
Derivatives |  | 4 |  |  | 7 |
Total current financial debts |  | 136 |  |  | 169 |
Total financial debts |  | 4,122 |  |  | 4,118 |
Two local bilateral facilities in Japan matured in February 2021 and were refinanced by three facilities with one and two year maturities. In addition, in February 2021 the Revolving facility was extended to March 2026. The Revolving facility remained undrawn as of June 30, 2021. Interest expense recognized for Financial debts, excluding lease liabilities, was $24 million and $48 million for the three and six months ended June 30, 2021, respectively, and $23 million and $46 million for the three and six months ended June 30, 2020, respectively.

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- Definition The disclosure of borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
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