28 Other current liabilities
| (€ million) | December 31, 2017 | December 31, 2016 | ||||||
| Fair value of derivatives financial instruments | 1,011 | 2,108 | ||||||
| Other liabilities | 504 | 491 | ||||||
| 1,515 | 2,599 | |||||||
Fair value related to derivative financial instruments is disclosed in note 34 — Derivative financial instruments.
Other current liabilities of €504 million (€491 million at December 31, 2016) included the current portion of advances received from Suez following a long-term agreement for supplying natural gas and electricity for €68 million (€73 million at December 31, 2016). Non-current portion is disclosed in note 33 — Other non-current liabilities.
Transactions with related parties are described in note 47 — Transactions with related parties.