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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Pension and Postemployment Benefit Costs | Pension and postemployment benefit costs for the years ended December 31 were as follows:
|  | 2012 |  |  | 2011 |  |  | 2010 |
In millions |  | Pension |  |  | Postemployment |  |  | Pension |  |  | Postemployment |  |  | Pension |  |  | Postemployment |
Service cost |  | $ | 9 |  |  | $ | 4 |  |  | $ | 9 |  |  | $ | 4 |  |  | $ | 8 |  |  | $ | 4 |
Interest cost |  |  | 4 |  |  |  | 1 |  |  |  | 4 |  |  |  | 2 |  |  |  | 4 |  |  |  | 2 |
Expected return on plan assets |  |  | (3 | ) |  |  | 0 |  |  |  | (3 | ) |  |  | 0 |  |  |  | (3 | ) |  |  | 0 |
Settlement charge |  |  | 1 |  |  |  | 0 |  |  |  | 3 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Employee contributions |  |  | (1 | ) |  |  | 0 |  |  |  | (1 | ) |  |  | 0 |  |  |  | (1 | ) |  |  | 0 |
Amortization of actuarial loss |  |  | 1 |  |  |  | 0 |  |  |  | 1 |  |  |  | 0 |  |  |  | 1 |  |  |  | 0 |
Total costs |  | $ | 11 |  |  | $ | 5 |  |  | $ | 13 |  |  | $ | 6 |  |  | $ | 9 |  |  | $ | 6 |
Changes in Benefit Obligations, Plan Assets, Funded Status and the Reconciliation of the Fund Status to Amounts Recognized in the Consolidated Balance Sheets and in Accumulated Other Comprehensive Income | The following tables present the changes in benefit obligations, plan assets, funded status and the reconciliation of the funded status to amounts recognized in the consolidated balance sheets and in accumulated other comprehensive income at December 31:
|  | Pension |  |  | Postemployment |
In millions |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Change in benefit obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at January 1 |  | $ | 108 |  |  | $ | 111 |  |  | $ | 33 |  |  | $ | 40 |
Service cost |  |  | 8 |  |  |  | 8 |  |  |  | 4 |  |  |  | 4 |
Interest cost |  |  | 4 |  |  |  | 4 |  |  |  | 1 |  |  |  | 2 |
Plan participant contributions |  |  | 1 |  |  |  | 1 |  |  |  | 0 |  |  |  | 0 |
Actuarial loss (gain) |  |  | 9 |  |  |  | (5 | ) |  |  | (11 | ) |  |  | (8 | )
Benefits paid |  |  | (7 | ) |  |  | (12 | ) |  |  | (2 | ) |  |  | (6 | )
Currency translation adjustments |  |  | (1 | ) |  |  | 1 |  |  |  | 0 |  |  |  | 1 |
Benefit obligation at December 31 |  |  | 122 |  |  |  | 108 |  |  |  | 25 |  |  |  | 33 |
Change in plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at January 1 |  |  | 59 |  |  |  | 59 |  |  |  | 0 |  |  |  | 0 |
Actual return on plan assets |  |  | 5 |  |  |  | (2 | ) |  |  | 0 |  |  |  | 0 |
Company contributions |  |  | 12 |  |  |  | 12 |  |  |  | 0 |  |  |  | 0 |
Benefits paid |  |  | (7 | ) |  |  | (12 | ) |  |  | 0 |  |  |  | 0 |
Currency translation adjustments |  |  | (1 | ) |  |  | 1 |  |  |  | 0 |  |  |  | 0 |
Plan participant contribution |  |  | 1 |  |  |  | 1 |  |  |  | 0 |  |  |  | 0 |
Fair value of plan assets at December 31 |  |  | 69 |  |  |  | 59 |  |  |  | 0 |  |  |  | 0 |
Funded status (underfunded) |  | ($ | 53 | ) |  | ($ | 49 | ) |  | ($ | 25 | ) |  | ($ | 33 | )
Amounts Recognized in the Balance Sheet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities |  | ($ | 1 | ) |  | $ | 0 |  |  | ($ | 4 | ) |  | ($ | 5 | )
Noncurrent liabilities |  |  | (52 | ) |  |  | (49 | ) |  |  | (21 | ) |  |  | (28 | )
Net amounts recognized |  | ($ | 53 | ) |  | ($ | 49 | ) |  | ($ | 25 | ) |  | ($ | 33 | )
Amounts Recognized in Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) |  | $ | 32 |  |  | $ | 28 |  |  | ($ | 16 | ) |  | ($ | 4 | )
Prior service credit |  |  | (2 | ) |  |  | (3 | ) |  |  | 0 |  |  |  | 0 |
Total |  | $ | 30 |  |  | $ | 25 |  |  | ($ | 16 | ) |  | ($ | 4 | )
Pre-Tax Net Changes in Projected Benefit Obligations Recognized in Other Comprehensive Income | The following table presents the pre-tax net changes in projected benefit obligations recognized in other comprehensive income during 2012 and 2011:
|  | Pension |  |  | Postemployment |
In millions |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Actuarial loss (gain) arising during the year |  | $ | 7 |  |  | ($ | 1 | ) |  | ($ | 12 | ) |  | ($ | 7 | )
Amortization of (gain) loss included in net periodic benefit cost |  |  | (1 | ) |  |  | (1 | ) |  |  | 0 |  |  |  | 0 |
Recognition of loss due to settlement |  |  | (1 | ) |  |  | (3 | ) |  |  | 0 |  |  |  | 0 |
Foreign currency exchange |  |  | 0 |  |  |  | 1 |  |  |  | 0 |  |  |  | 0 |
Total recognized in other comprehensive expense (income) |  | $ | 5 |  |  | ($ | 4 | ) |  | ($ | 12 | ) |  | ($ | 7 | )
Amounts in Accumulated Other Comprehensive Income Expected to be Recognized as Components of Net Periodic Benefit Cost | The following table presents the amounts in accumulated other comprehensive income expected to be recognized as components of net periodic benefit cost during 2013:
In millions |  | Pension |  |  | Postemployment |
Net loss (gain) to be recognized in other comprehensive loss (income) |  | $ | 2 |  |  | ($ | 2 | )
Weighted-Average Rates and Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit | The weighted-average rates and assumptions used to determine benefit obligations at December 31, 2012 and 2011, and net periodic benefit cost for the year ended December 31, 2012 and 2011, were as follows:
|  | Pension Benefit Obligations |  |  | Pension Benefit Cost |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Discount rate |  |  | 3.0 | % |  |  | 3.7 | % |  |  | 3.7 | % |  |  | 3.9 | %
Rate of compensation increase |  |  | 3.3 | % |  |  | 3.3 | % |  |  | 3.3 | % |  |  | 3.3 | %
Expected return on plan assets |  |  | N/A |  |  |  | N/A |  |  |  | 4.0 | % |  |  | 4.3 | %
|  | Postemployment Benefit Obligations |  |  | Postemployment Benefit Cost |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Discount rate |  |  | 3.4 | % |  |  | 4.1 | % |  |  | 4.1 | % |  |  | 4.4 | %
Rate of compensation increase |  |  | 3.8 | % |  |  | 3.7 | % |  |  | 3.7 | % |  |  | 3.7 | %
Involuntary turnover rate |  |  | 1.0 | % |  |  | 1.5 | % |  |  | 1.5 | % |  |  | 2.0 | %
Weighted-Average Asset Allocations, by Category | The weighted-average asset allocations at December 31, 2012 and 2011, by asset category are as follows:
|  | Actual Asset Allocation |  |  |  |
|  | As of December 31 |  |  | Target Asset |
|  | 2012 |  |  | 2011 |  |  | Allocation |
Equity securities |  |  | 39 | % |  |  | 39 | % |  |  | 38 | %
Debt securities |  |  | 36 | % |  |  | 33 | % |  |  | 40 | %
Insurance (annuity) contracts |  |  | 11 | % |  |  | 11 | % |  |  | 11 | %
Real estate |  |  | 5 | % |  |  | 5 | % |  |  | 3 | %
Other |  |  | 9 | % |  |  | 12 | % |  |  | 8 | %
Total |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
Pension Plan Assets at Fair Value | The following table sets forth by level, within the fair value hierarchy, the pension plan assets at fair value as of December 31, 2012:
|  |  |  |  | Fair Value Measurements at Reporting Date Using |
|  |  |  |  | Quoted Prices in |  |  | Significant |  |  |  |
|  |  |  |  | Active Markets |  |  | Other |  |  | Significant |
|  |  |  |  | for Identical |  |  | Observable |  |  | Unobservable |
|  |  |  |  | Assets |  |  | Inputs |  |  | Inputs |
In Millions |  | December 31, 2012 |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Cash/cash equivalents/money market funds |  | $ | 2 |  |  | $ | 0 |  |  | $ | 2 |  |  | $ | 0 |
Equity funds |  |  | 27 |  |  |  | 0 |  |  |  | 27 |  |  |  | 0 |
Bond/fixed-income funds |  |  | 25 |  |  |  | 0 |  |  |  | 25 |  |  |  | 0 |
Real-estate indirect investment |  |  | 4 |  |  |  | 0 |  |  |  | 4 |  |  |  | 0 |
Commodities/Other |  |  | 3 |  |  |  | 0 |  |  |  | 3 |  |  |  | 0 |
Insurance contracts |  |  | 8 |  |  |  | 0 |  |  |  | 0 |  |  |  | 8 |
Total Assets at fair value |  | $ | 69 |  |  | $ | 0 |  |  | $ | 61 |  |  | $ | 8 |
The following table sets forth by level, within the fair value hierarchy, the pension plan assets at fair value as of December 31, 2011:
|  |  |  |  | Fair Value Measurements at Reporting Date Using |
|  |  |  |  | Quoted Prices in |  |  | Significant |  |  |  |
|  |  |  |  | Active Markets |  |  | Other |  |  | Significant |
|  |  |  |  | for Identical |  |  | Observable |  |  | Unobservable |
|  |  |  |  | Assets |  |  | Inputs |  |  | Inputs |
In Millions |  | December 31, 2011 |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Cash/cash equivalents/money market funds |  | $ | 5 |  |  | $ | 0 |  |  | $ | 5 |  |  | $ | 0 |
Equity funds |  |  | 23 |  |  |  | 0 |  |  |  | 23 |  |  |  | 0 |
Bond/fixed-income funds |  |  | 19 |  |  |  | 0 |  |  |  | 19 |  |  |  | 0 |
Real-estate indirect investment |  |  | 3 |  |  |  | 0 |  |  |  | 3 |  |  |  | 0 |
Commodities/Other |  |  | 2 |  |  |  | 0 |  |  |  | 2 |  |  |  | 0 |
Insurance contracts |  |  | 7 |  |  |  | 0 |  |  |  | 0 |  |  |  | 7 |
Total Assets at fair value |  | $ | 59 |  |  | $ | 0 |  |  | $ | 52 |  |  | $ | 7 |
Changes in Fair Value of the Pension Plan Level 3 Assets | The table below sets forth a summary of changes in the fair value of the pension plan level 3 assets for the year ended December 31, 2012:
|  | Insurance |
In Millions |  | Contracts |
Balance as of January 1, 2012 |  | $ | 7 |
Purchases, sales and settlements, net |  |  | 1 |
Balance as of December 31, 2012 |  | $ | 8 |
The table below sets forth a summary of changes in the fair value of the pension plan level 3 assets for the year ended December 31, 2011:
|  | Insurance |
In Millions |  | Contracts |
Balance as of January 1, 2011 |  | $ | 6 |
Purchases, sales and settlements, net |  |  | 1 |
Balance as of December 31, 2011 |  | $ | 7 |
Estimated Future Benefit Payments | The Company expects to make the following benefit payments reflecting past and future service from its pension and postemployment plans:
|  | Pension |  |  | Postemployment |
In millions |  | Benefits |  |  | Benefits |
Year |  |  |  |  |  |  |  |
2013 |  | $ | 7 |  |  | $ | 4 |
2014 |  | $ | 6 |  |  | $ | 3 |
2015 |  | $ | 7 |  |  | $ | 3 |
2016 |  | $ | 8 |  |  | $ | 3 |
2017 |  | $ | 8 |  |  | $ | 3 |
2018-2022 |  | $ | 42 |  |  | $ | 14 |

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