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PENSIONS AND OTHER POST-EMPLOYMENT BENEFIT OBLIGATIONS (Tables) | 6 Months Ended
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Jun. 30, 2021
Disclosure of employee benefits [Abstract] |
Schedule of Sensitivity Analysis and Actuarial Assumptions |
|  | At June 30, 2021 |  | At December 31, 2020
|  | Discount rate |  | Discount rate
Switzerland |  | 0.20% |  | 0.00%
U.S. |  | — |  | —
Hourly pension |  | 2.75% - 2.95% |  | 2.45% - 2.65%
Salaried pension |  | 2.85% |  | 2.55%
OPEB |  | 2.85% - 3.15% |  | 2.50% - 2.80%
Other benefits |  | 2.50% - 2.90% |  | 2.20% - 2.55%
France |  | — |  | —
Retirements |  | 0.90% |  | 0.50%
Other benefits |  | 0.75% |  | 0.40%
Germany |  | 0.95% |  | 0.55%
Schedule of Amounts Recognized in the Consolidated Statement of Financial Position |
|  | At June 30, 2021 |  | At December 31, 2020
(in millions of Euros) |  | Pension Benefits |  | Other Benefits |  | Total |  | Pension Benefits |  | Other Benefits |  | Total
Present value of funded obligation |  | 741 |  | — |  | 741 |  | 772 |  | — |  | 772
Fair value of plan assets |  | (504) |  | — |  | (504) |  | (458) |  | — |  | (458)
Deficit of funded plans |  | 237 |  | — |  | 237 |  | 314 |  | — |  | 314
Present value of unfunded obligation |  | 131 |  | 213 |  | 344 |  | 134 |  | 216 |  | 350
Net liability arising from defined benefit obligation |  | 368 |  | 213 |  | 581 |  | 448 |  | 216 |  | 664
Disclosure Of Defined Benefit Plans Expense Recognised In Income Statement Explanatory |
|  | Three months ended June 30,
|  | 2021 |  | 2020
(in millions of Euros) |  | Pension Benefits |  | Other Benefits |  | Total |  | Pension Benefits |  | Other Benefits |  | Total
Service cost |  |  |  |  |  |  |  |  |  |  |  |
Current service cost |  | (6) |  | (2) |  | (8) |  | (5) |  | (1) |  | (6)
Past service cost |  | — |  | (2) |  | (2) |  | — |  | (2) |  | (2)
Net interest |  | (1) |  | (1) |  | (2) |  | (2) |  | (1) |  | (3)
Immediate recognition of gains arising over the year |  | — |  | — |  | — |  | — |  | (1) |  | (1)
Administration expenses |  | — |  | — |  | — |  | (1) |  | — |  | (1)
Total |  | (7) |  | (5) |  | (12) |  | (8) |  | (5) |  | (13)
|  | Six months ended June 30,
|  | 2021 |  | 2020
(in millions of Euros) |  | Pension Benefits |  | Other Benefits |  | Total |  | Pension Benefits |  | Other Benefits |  | Total
Service cost |  |  |  |  |  |  |  |  |  |  |  |
Current service cost |  | (11) |  | (4) |  | (15) |  | (11) |  | (3) |  | (14)
Past service cost |  | — |  | (2) |  | (2) |  | — |  | (2) |  | (2)
Net interest |  | (2) |  | (2) |  | (4) |  | (3) |  | (3) |  | (6)
Immediate recognition of gains arising over the year |  | — |  | 1 |  | 1 |  | — |  | — |  | —
Administration expenses |  | (1) |  | — |  | (1) |  | (1) |  | — |  | (1)
Total |  | (14) |  | (7) |  | (21) |  | (15) |  | (8) |  | (23)
Schedule of Movement in Net Defined Benefit Obligations |
|  | At June 30, 2021
|  | Defined benefit obligations |  | Plan Assets |  | Net defined benefit liability
(in millions of Euros) |  | Pension benefits |  | Other benefits |  | Total |
At January 1, 2021 |  | 906 |  | 216 |  | 1,122 |  | (458) |  | 664
Included in the Interim Income Statement |  |  |  |  |  |  |  |  |  |
Current service cost |  | 11 |  | 4 |  | 15 |  | — |  | 15
Interest cost / (income) |  | 5 |  | 2 |  | 7 |  | (3) |  | 4
Past service cost |  | — |  | 2 |  | 2 |  | — |  | 2
Immediate recognition of gains arising over the year |  | — |  | (1) |  | (1) |  | — |  | (1)
Administration expenses |  | — |  | — |  | — |  | 1 |  | 1
Included in the Interim Statement of Comprehensive Income / (loss) |  |  |  |  |  |  |  |  |  |
Remeasurements due to: |  |  |  |  |  |  |  |  |  |
—actual return less interest on plan assets |  | — |  | — |  | — |  | (43) |  | (43)
—changes in financial assumptions |  | (39) |  | (9) |  | (48) |  | — |  | (48)
—changes in demographic assumptions |  | — |  | — |  | — |  | — |  | —
—experience losses |  | (1) |  | 1 |  | — |  | — |  | —
Effects of changes in foreign exchange rates |  | 5 |  | 6 |  | 11 |  | (3) |  | 8
Included in the Interim Statement of Cash Flows |  |  |  |  |  |  |  |  |  |
Benefits paid |  | (17) |  | (9) |  | (26) |  | 15 |  | (11)
Contributions by the Group |  | — |  | — |  | — |  | (10) |  | (10)
Contributions by the plan participants |  | 2 |  | 1 |  | 3 |  | (3) |  | —
At June 30, 2021 |  | 872 |  | 213 |  | 1,085 |  | (504) |  | 581
Schedule of Net Defined Benefit Obligations by Country |
|  | At June 30, 2021 |  | At December 31, 2020
(in millions of Euros) |  | Defined benefit obligations |  | Plan assets |  | Net defined benefit liability |  | Defined benefit obligations |  | Plan assets |  | Net defined benefit liability
France |  | 163 |  | (5) |  | 158 |  | 168 |  | (5) |  | 163
Germany |  | 134 |  | (2) |  | 132 |  | 143 |  | (1) |  | 142
Switzerland |  | 295 |  | (248) |  | 47 |  | 310 |  | (223) |  | 87
United States |  | 492 |  | (249) |  | 243 |  | 500 |  | (229) |  | 271
Other countries |  | 1 |  | — |  | 1 |  | 1 |  | — |  | 1
Total |  | 1,085 |  | (504) |  | 581 |  | 1,122 |  | (458) |  | 664

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