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Post-Employment and Other Long-Term Employees Benefits (Tables) | 12 Months Ended
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Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract] |
Changes in Benefit Obligation and Plan Assets | The changes in benefit obligation and plan assets were as follows:
|  | Pension Benefits |  |  | Other Long-Term Benefits |
|  | December 31, 2014 |  |  | December 31, 2013 |  |  | December 31, 2014 |  |  | December 31, 2013 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  |  | 807 |  |  |  | 901 |  |  |  | 65 |  |  |  | 63 |
Service cost |  |  | 27 |  |  |  | 37 |  |  |  | 7 |  |  |  | 8 |
Interest cost |  |  | 28 |  |  |  | 28 |  |  |  | 2 |  |  |  | 2 |
Employee contributions |  |  | 6 |  |  |  | 5 |  |  |  | — |  |  |  | — |
Benefits paid |  |  | (20 | ) |  |  | (19 | ) |  |  | (4 | ) |  |  | (4 | )
Effect of curtailment |  |  | — |  |  |  | (3 | ) |  |  | — |  |  |  | (2 | )
Effect of settlement |  |  | (14 | ) |  |  | (32 | ) |  |  | — |  |  |  | — |
Actuarial (gain) loss |  |  | 93 |  |  |  | (92 | ) |  |  | 2 |  |  |  | — |
Transfer in |  |  | 2 |  |  |  | 12 |  |  |  | 1 |  |  |  | 1 |
Transfer out |  |  | (2 | ) |  |  | (12 | ) |  |  | (1 | ) |  |  | (1 | )
Acquisition / change in scope |  |  | — |  |  |  | 9 |  |  |  | — |  |  |  | 1 |
Plan amendment |  |  | — |  |  |  | 5 |  |  |  | 1 |  |  |  | — |
ST-Ericsson deconsolidation |  |  | — |  |  |  | (49 | ) |  |  | — |  |  |  | (4 | )
Foreign currency translation adjustment |  |  | (64 | ) |  |  | 17 |  |  |  | (8 | ) |  |  | 1 |
Benefit obligation at end of year |  |  | 863 |  |  |  | 807 |  |  |  | 65 |  |  |  | 65 |
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plan assets at fair value at beginning of year |  |  | 448 |  |  |  | 422 |  |  |  | — |  |  |  | — |
Actual return on plan assets |  |  | 41 |  |  |  | 32 |  |  |  | — |  |  |  | — |
Employer contributions |  |  | 28 |  |  |  | 29 |  |  |  | — |  |  |  | — |
Employee contributions |  |  | 6 |  |  |  | 5 |  |  |  | — |  |  |  | — |
Benefits paid |  |  | (10 | ) |  |  | (9 | ) |  |  | — |  |  |  | — |
Effect of settlement |  |  | (12 | ) |  |  | (25 | ) |  |  | — |  |  |  | — |
Transfer in |  |  | — |  |  |  | 8 |  |  |  | — |  |  |  | — |
Transfer out |  |  | — |  |  |  | (8 | ) |  |  | — |  |  |  | — |
Foreign currency translation adjustments |  |  | (21 | ) |  |  | 5 |  |  |  | — |  |  |  | — |
ST-Ericsson deconsolidation |  |  | — |  |  |  | (11 | ) |  |  | — |  |  |  | — |
Plan assets at fair value at end of year |  |  | 480 |  |  |  | 448 |  |  |  | — |  |  |  | — |
Funded status |  |  | (383 | ) |  |  | (359 | ) |  |  | (65 | ) |  |  | (65 | )
Net amount recognized in the balance sheet consisted of the following: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current assets |  |  | 9 |  |  |  | 10 |  |  |  | — |  |  |  | — |
Current liabilities |  |  | (9 | ) |  |  | (12 | ) |  |  | (11 | ) |  |  | (5 | )
Long-term liabilities |  |  | (383 | ) |  |  | (357 | ) |  |  | (54 | ) |  |  | (60 | )
Net amount recognized |  |  | (383 | ) |  |  | (359 | ) |  |  | (65 | ) |  |  | (65 | )
Accumulated Other Comprehensive Income (Loss) Before Tax Effects | The components of accumulated other comprehensive income (loss) before tax effects were as follows:
|  | Actuarial (gains)/losses |  |  | Prior service cost |  |  | Total |
Other comprehensive loss as at December 31, 2012 |  |  | 209 |  |  |  | 9 |  |  |  | 218 |
Net amount generated/arising in current year |  |  | (105 | ) |  |  | 5 |  |  |  | (100 | )
Amortization |  |  | (15 | ) |  |  | (5 | ) |  |  | (20 | )
Foreign currency translation adjustment |  |  | 2 |  |  |  | — |  |  |  | 2 |
Other comprehensive loss as at December 31, 2013 |  |  | 91 |  |  |  | 9 |  |  |  | 100 |
Net amount generated/arising in current year |  |  | 76 |  |  |  | — |  |  |  | 76 |
Amortization |  |  | (5 | ) |  |  | (1 | ) |  |  | (6 | )
Foreign currency translation adjustment |  |  | (10 | ) |  |  | (1 | ) |  |  | (11 | )
Other comprehensive loss as at December 31, 2014 |  |  | 152 |  |  |  | 7 |  |  |  | 159 |
Schedule of Accumulated Benefit Obligations | The accumulated benefit obligations were as follows:
|  | Pension Benefits |  |  | Other Long-Term Benefits |
|  | December 31, 2014 |  |  | December 31, 2013 |  |  | December 31, 2014 |  |  | December 31, 2013 |
Accumulated benefit obligations |  |  | 757 |  |  |  | 717 |  |  |  | 51 |  |  |  | 51 |
Components of Net Periodic Benefit Cost | The components of the net periodic benefit cost included the following:
|  | Pension Benefits |  |  | Other Long-term Benefits |
|  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |  |  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |
Service cost |  |  | 27 |  |  |  | 37 |  |  |  | 40 |  |  |  | 7 |  |  |  | 8 |  |  |  | 9 |
Interest cost |  |  | 28 |  |  |  | 28 |  |  |  | 31 |  |  |  | 2 |  |  |  | 2 |  |  |  | 3 |
Expected return on plan assets |  |  | (22 | ) |  |  | (18 | ) |  |  | (18 | ) |  |  | — |  |  |  | — |  |  |  | — |
Amortization of actuarial net loss (gain) |  |  | 3 |  |  |  | 11 |  |  |  | 12 |  |  |  | 2 |  |  |  | — |  |  |  | 2 |
Amortization of prior service cost |  |  | — |  |  |  | 5 |  |  |  | 5 |  |  |  | 1 |  |  |  | — |  |  |  | — |
Effect of settlement |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  |  |  |  |  | — |
Effect of curtailment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2 | ) |  |  | — |
Net periodic benefit cost |  |  | 37 |  |  |  | 64 |  |  |  | 70 |  |  |  | 12 |  |  |  | 8 |  |  |  | 14 |
Weighted Average Assumptions Used in Determination of Benefit Obligation and Plan Assets | The weighted average assumptions used in the determination of the benefit obligation and the plan assets for the pension plans and the other long-term benefits were as follows:
Assumptions |  | 2014 |  |  | 2013 |
Discount rate |  |  | 3.03 | % |  |  | 3.83 | %
Salary increase rate |  |  | 2.65 | % |  |  | 2.82 | %
Expected long-term rate of return on funds for the pension expense of the year |  |  | 4.76 | % |  |  | 4.88 | %
The weighted average assumptions used in the determination of the net periodic benefit cost for the pension plans and the other long-term benefits were as follows:
Assumptions |  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 3.83 | % |  |  | 3.43 | % |  |  | 4.14 | %
Salary increase rate |  |  | 2.82 | % |  |  | 2.92 | % |  |  | 2.99 | %
Expected long-term rate of return on funds for the pension expense of the year |  |  | 4.88 | % |  |  | 4.43 | % |  |  | 4.57 | %
Pension Plan Asset Allocation | The Company’s pension plan asset allocation at December 31, 2014 and at December 31, 2013 is as follows:
|  | Percentage of Plan Assets at December |
Asset Category |  | 2014 |  |  | 2013 |
Cash |  |  | 3 | % |  |  | 2 | %
Equity securities |  |  | 28 | % |  |  | 34 | %
Bonds securities remunerating interest |  |  | 28 | % |  |  | 25 | %
Real estate |  |  | 2 | % |  |  | 2 | %
Investments in funds(a) |  |  | 17 | % |  |  | 14 | %
Other |  |  | 22 | % |  |  | 23 | %
Total |  |  | 100 | % |  |  | 100 | %
(a) | Investment in funds are composed for one half of commingled funds mainly invested in corporate bonds for 55%, treasury bonds and notes for 35% and municipal bonds for 10% and for the other half of a multi-strategy fund invested in broadly diversified portfolios of equity, fixed income and derivative instruments.
Pension Plan Asset Allocation Including Fair-Value Measurements | The Company’s detailed pension plan asset allocation including the fair-value measurements of those plan assets as at December 31, 2014 is as follows:
|  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Cash and cash equivalents |  |  | 17 |  |  |  | 17 |  |  |  | — |  |  |  | — |
Equity securities |  |  | 136 |  |  |  | 7 |  |  |  | 129 |  |  |  | — |
Government debt securities |  |  | 10 |  |  |  | 10 |  |  |  | — |  |  |  | — |
Corporate debt securities |  |  | 125 |  |  |  | 4 |  |  |  | 121 |  |  |  | — |
Investment funds |  |  | 80 |  |  |  | — |  |  |  | 80 |  |  |  | — |
Real estate |  |  | 12 |  |  |  | — |  |  |  | 10 |  |  |  | 2 |
Other (mainly insurance assets – contracts and reserves) |  |  | 100 |  |  |  | — |  |  |  | — |  |  |  | 100 |
TOTAL |  |  | 480 |  |  |  | 38 |  |  |  | 340 |  |  |  | 102 |
The Company’s detailed pension plan asset allocation including the fair-value measurements of those plan assets as at December 31, 2013 is as follows:
|  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Cash and cash equivalents |  |  | 8 |  |  |  | 8 |  |  |  | — |  |  |  | — |
Equity securities |  |  | 152 |  |  |  | 7 |  |  |  | 145 |  |  |  | — |
Government debt securities |  |  | 12 |  |  |  | 12 |  |  |  | — |  |  |  | — |
Corporate debt securities |  |  | 99 |  |  |  | 4 |  |  |  | 95 |  |  |  | — |
Investment funds |  |  | 63 |  |  |  | — |  |  |  | 63 |  |  |  | — |
Real estate |  |  | 9 |  |  |  | — |  |  |  | 5 |  |  |  | 4 |
Other (mainly insurance assets – contracts and reserves) |  |  | 105 |  |  |  | — |  |  |  | — |  |  |  | 105 |
TOTAL |  |  | 448 |  |  |  | 31 |  |  |  | 308 |  |  |  | 109 |
Reconciliation for Plan Assets Measured at Fair Value Using Unobservable Inputs (Level 3) | For plan assets measured at fair value using significant unobservable inputs (Level 3), the reconciliation between January 1, 2014 and December 31, 2014 is presented as follows:
|  | Fair Value Measurements using Significant Unobservable Inputs (Level 3) |
January 1, 2014 |  |  | 109 |
Contributions (employer and employee) |  |  | 14 |
Actual return on plan assets |  |  | 6 |
Benefits paid |  |  | (3 | )
Assets sold during the year |  |  | (2 | )
Settlements |  |  | (11 | )
Foreign currency translation adjustment |  |  | (11 | )
December 31, 2014 |  |  | 102 |
For plan assets measured at fair value using significant unobservable inputs (Level 3), the reconciliation between January 1, 2013 and December 31, 2013 is presented as follows:
|  | Fair Value Measurements using Significant Unobservable Inputs (Level 3) |
January 1, 2013 |  |  | 120 |
Contributions (employer and employee) |  |  | 15 |
Benefits paid |  |  | (2 | )
Settlements |  |  | (23 | )
ST-Ericsson deconsolidation |  |  | (4 | )
Foreign currency translation adjustment |  |  | 3 |
December 31, 2013 |  |  | 109 |
Estimated Future Benefit Payments | The Company’s estimated future benefit payments as of December 2014 are as follows:
Years |  | Pension Benefits |  |  | Other Long-term Benefits |
2015 |  |  | 26 |  |  |  | 12 |
2016 |  |  | 21 |  |  |  | 4 |
2017 |  |  | 24 |  |  |  | 4 |
2018 |  |  | 33 |  |  |  | 4 |
2019 |  |  | 31 |  |  |  | 6 |
From 2020 to 2024 |  |  | 207 |  |  |  | 25 |

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