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Derivative financial instruments (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure Of Derivative Financial Instruments [Line Items]  
Disclosure of fair value measurement [text block]
 
 
 
December 31, 2018
 
 
December 31, 2017
 
(€ million)
 
Fair value
asset
 
 
Fair value
liability
 
 
Level of Fair
value
 
 
Fair value
asset
 
 
Fair value
liability
 
 
Level of Fair
value
 
Non-hedging derivatives
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivatives on exchange rate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- Currency swap
 
 
99
 
 
 
46
 
 
 
2
 
 
 
170
 
 
 
86
 
 
 
2
 
- Interest currency swap
 
 
14
 
 
 
71
 
 
 
2
 
 
 
41
 
 
 
45
 
 
 
2
 
- Outright
 
 
3
 
 
 
5
 
 
 
2
 
 
 
3
 
 
 
5
 
 
 
2
 
 
 
 
116
 
 
 
122
 
 
 
 
 
 
 
214
 
 
 
136
 
 
 
 
 
Derivatives on interest rate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- Interest rate swap
 
 
18
 
 
 
6
 
 
 
2
 
 
 
9
 
 
 
5
 
 
 
2
 
 
 
 
18
 
 
 
6
 
 
 
 
 
 
 
9
 
 
 
5
 
 
 
 
 
Derivatives on commodities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- Future
 
 
1,060
 
 
 
1,107
 
 
 
1
 
 
 
796
 
 
 
771
 
 
 
1
 
- Over the counter
 
 
306
 
 
 
284
 
 
 
2
 
 
 
81
 
 
 
97
 
 
 
2
 
- Other
 
 
1
 
 
 
5
 
 
 
2
 
 
 
1
 
 
 
2
 
 
 
2
 
 
 
 
1,367
 
 
 
1,396
 
 
 
 
 
 
 
878
 
 
 
870
 
 
 
 
 
 
 
 
1,501
 
 
 
1,524
 
 
 
 
 
 
 
1,101
 
 
 
1,011
 
 
 
 
 
Trading derivatives
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivatives on commodities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- Over the counter
 
 
992
 
 
 
1,031
 
 
 
2
 
 
 
683
 
 
 
829
 
 
 
2
 
- Future
 
 
367
 
 
 
263
 
 
 
1
 
 
 
395
 
 
 
390
 
 
 
1
 
- Options
 
 
80
 
 
 
71
 
 
 
2
 
 
 
133
 
 
 
114
 
 
 
2
 
 
 
 
1,439
 
 
 
1,365
 
 
 
 
 
 
 
1,211
 
 
 
1,333
 
 
 
 
 
Cash flow hedge derivatives
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivatives on commodities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- Over the counter
 
 
311
 
 
 
196
 
 
 
2
 
 
 
227
 
 
 
21
 
 
 
2
 
- Future
 
 
26
 
 
 
15
 
 
 
1
 
 
 
35
 
 
 
 
 
 
 
1
 
 
 
 
337
 
 
 
211
 
 
 
 
 
 
 
262
 
 
 
21
 
 
 
 
 
Option embedded in convertible bonds
 
 
21
 
 
 
21
 
 
 
2
 
 
 
16
 
 
 
16
 
 
 
2
 
Gross amount
 
 
3,298
 
 
 
3,121
 
 
 
 
 
 
 
2,590
 
 
 
2,381
 
 
 
 
 
Offsetting
 
 
(1,636
)
 
 
(1,636
)
 
 
 
 
 
 
(1,279
)
 
 
(1,279
)
 
 
 
 
Net amount
 
 
1,662
 
 
 
1,485
 
 
 
 
 
 
 
1,311
 
 
 
1,102
 
 
 
 
 
Of which:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- current
 
 
1,594
 
 
 
1,445
 
 
 
 
 
 
 
1,231
 
 
 
1,011
 
 
 
 
 
- non-current
 
 
68
 
 
 
40
 
 
 
 
 
 
 
80
 
 
 
91
 
 
 
 
 
Disclosure of derivative financial instruments [text block]
Hedging derivative instruments are disclosed below:
 
 
 
December 31, 2018
 
(€ million)
 
Nominal
amount of the
hedging
instrument
 
 
Change in fair
value
(effective hedge)
 
 
Change in fair
value
(ineffective
hedge)
 
Cash flow hedge derivatives
 
 
 
 
 
 
 
 
 
 
 
 
Derivatives on commodity
 
 
 
 
 
 
 
 
 
 
 
 
- Over the counter
 
 
3,528
 
 
 
404
 
 
 
2
 
- Future
 
 
71
 
 
 
(6
)
 
 
(2
)
 
 
 
3,599
 
 
 
398
 
 
 
 
 
Disclosure of detailed information about type of risk hedged under cash flow hedge [text block]
The breakdown of the underlying asset or liability by type of risk hedged under cash flow hedge is provided below:
 
 
December 31, 2018
 
(€ million)
 
Change of the underlying
asset used for the
calculation of 
hedging ineffectiveness
 
 
CFH reserve
 
 
Reclassification
adjustments
 
Cash flow hedge
 
 
 
 
 
 
 
 
 
 
 
 
Commodity price risk
 
 
 
 
 
 
 
 
 
 
 
 
- Forecast sales
 
 
(389)
 
 
(13)
 
 
642
 
 
 
 
(389
)
 
 
(13
)
 
 
642
 
Disclosure of detailed information about other operating income loss [text block]
Other operating profit (loss) related to derivative financial instruments on commodity was as follows:
(€ million)
 
2018
 
 
2017
 
 
2016
 
Net income (loss) on cash flow hedging derivatives
 
 
 
 
 
 
12
 
 
 
(1
) 
Net income (loss) on other derivatives
 
 
129
 
 
 
(44
)
 
 
17
 
 
 
 
129
 
 
 
(32
)
 
 
16
 
Disclosure of detailed information about finance income loss on derivative financial instruments [text block]
Finance income (loss) on derivative financial instruments consisted of the following:
(€ million)
 
2018
 
 
2017
 
 
2016
 
Derivatives on exchange rate
 
 
(329
)
 
 
809
 
 
 
(494
)
Derivatives on interest rate
 
 
22
 
 
 
28
 
 
 
(12
)
Options
 
 
 
 
 
 
 
 
 
 
24
 
 
 
 
(307
)
 
 
837
 
 
 
(482
)