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Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Pension Plans Tables [Abstract] |
Net Periodic Benefit Cost Table |
|  | December 31,
Components of Net Periodic Benefit Cost: |  | 2012 |  | 2011 |  | 2010
| U.S. |  | Foreign |  | U.S. |  | Foreign |  | U.S. |  | Foreign
|  | (in millions)
Service cost |  | $ | 14 |  | $ | 19 |  | $ | 8 |  | $ | 19 |  | $ | 7 |  | $ | 16
Interest cost |  |  | 48 |  |  | 481 |  |  | 33 |  |  | 564 |  |  | 32 |  |  | 510
Expected return on plan assets |  |  | (55) |  |  | (418) |  |  | (33) |  |  | (508) |  |  | (30) |  |  | (427)
Amortization of initial net asset |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | (1)
Amortization of prior service cost |  |  | 4 |  |  | - |  |  | 4 |  |  | - |  |  | 3 |  |  | -
Amortization of net loss |  |  | 19 |  |  | 37 |  |  | 13 |  |  | 23 |  |  | 12 |  |  | 38
Loss on curtailment |  |  | - |  |  | - |  |  | - |  |  | 5 |  |  | - |  |  | -
Settlement gain recognized |  |  | - |  |  | 1 |  |  | - |  |  | - |  |  | - |  |  | 1
Total pension cost |  | $ | 30 |  | $ | 120 |  | $ | 25 |  | $ | 103 |  | $ | 24 |  | $ | 137
Schedule of Net Funded Status [Table Text Block] |
|  | December 31,
|  | 2012 |  | 2011
|  | U.S. |  | Foreign |  | U.S. |  | Foreign
|  | (in millions)
CHANGE IN PROJECTED BENEFIT OBLIGATION: |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation as of January 1 |  | $ | 1,044 |  | $ | 5,789 |  | $ | 608 |  | $ | 5,986
Service cost |  |  | 14 |  |  | 19 |  |  | 8 |  |  | 19
Interest cost |  |  | 48 |  |  | 481 |  |  | 33 |  |  | 564
Employee contributions |  |  | - |  |  | 5 |  |  | - |  |  | 5
Plan amendments |  |  | 7 |  |  | 1 |  |  | - |  |  | -
Plan curtailments |  |  | - |  |  | - |  |  | - |  |  | 5
Plan settlements |  |  | (1) |  |  | (2) |  |  | - |  |  | -
Benefits paid |  |  | (51) |  |  | (408) |  |  | (30) |  |  | (465)
Business combinations |  |  | - |  |  | - |  |  | 365 |  |  | -
Assumption of a plan due to the resolution of bankruptcy proceedings(1) |  |  | 51 |  |  | - |  |  | - |  |  | -
Actuarial loss |  |  | 98 |  |  | 1,339 |  |  | 60 |  |  | 371
Effect of foreign currency exchange rate change |  |  | - |  |  | (415) |  |  | - |  |  | (696)
Benefit obligation as of December 31 |  | $ | 1,210 |  | $ | 6,809 |  | $ | 1,044 |  | $ | 5,789
CHANGE IN PLAN ASSETS: |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets as of January 1 |  | $ | 762 |  | $ | 4,400 |  | $ | 413 |  | $ | 4,730
Actual return on plan assets |  |  | 97 |  |  | 888 |  |  | 6 |  |  | 486
Employer contributions |  |  | 49 |  |  | 155 |  |  | 37 |  |  | 175
Employee contributions |  |  | - |  |  | 5 |  |  | - |  |  | 5
Plan settlements |  |  | (1) |  |  | (2) |  |  | - |  |  | -
Benefits paid |  |  | (51) |  |  | (408) |  |  | (30) |  |  | (465)
Business combinations |  |  | - |  |  | - |  |  | 336 |  |  | -
Assumption of a plan due to the resolution of bankruptcy proceedings(1) |  |  | 27 |  |  | - |  |  | - |  |  | -
Effect of foreign currency exchange rate change |  |  | - |  |  | (326) |  |  | - |  |  | (531)
Fair value of plan assets as of December 31 |  | $ | 883 |  | $ | 4,712 |  | $ | 762 |  | $ | 4,400
RECONCILIATION OF FUNDED STATUS |  |  |  |  |  |  |  |  |  |  |  |
Funded status as of December 31 |  | $ | (327) |  | $ | (2,097) |  | $ | (282) |  | $ | (1,389)
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
|  | December 31,
|  | 2012 |  | 2011
|  | U.S. |  | Foreign |  | U.S. |  | Foreign
|  | (in millions)
AMOUNTS RECOGNIZED ON THE |  |  |  |  |  |  |  |  |  |  |  |
CONSOLIDATED BALANCE SHEETS |  |  |  |  |  |  |  |  |  |  |  |
Noncurrent assets |  | $ | - |  | $ | - |  | $ | - |  | $ | 20
Accrued benefit liability - current |  |  | - |  |  | (6) |  |  | (1) |  |  | (4)
Accrued benefit liability - noncurrent |  |  | (327) |  |  | (2,091) |  |  | (281) |  |  | (1,405)
Net amount recognized at end of year |  | $ | (327) |  | $ | (2,097) |  | $ | (282) |  | $ | (1,389)
Schedule of Accumulated and Projected Benefit Obligations [Table Text Block] |
|  |  |  |  | December 31,
|  |  |  |  | 2012 |  | 2011
|  |  |  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
|  |  |  |  | (in millions)
Accumulated Benefit Obligation |  | $ | 1,180 |  | $ | 6,695 |  | $ | 1,020 |  | $ | 5,724
| Information for pension plans with an accumulated |  |  |  |  |  |  |  |  |  |  |  |
|  | benefit obligation in excess of plan assets: |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Projected benefit obligation |  | $ | 1,210 |  | $ | 6,438 |  | $ | 1,044 |  | $ | 5,478
|  |  | Accumulated benefit obligation |  |  | 1,180 |  |  | 6,352 |  |  | 1,020 |  |  | 5,423
|  |  | Fair value of plan assets |  |  | 883 |  |  | 4,360 |  |  | 762 |  |  | 4,072
| Information for pension plans with a projected |  |  |  |  |  |  |  |  |  |  |  |
|  | benefit obligation in excess of plan assets: |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Projected benefit obligation |  | $ | 1,210 |  | $ | 6,809(1) |  | $ | 1,044 |  | $ | 5,492
|  |  | Fair value of plan assets |  |  | 883 |  |  | 4,712(1) |  |  | 762 |  |  | 4,084
Schedule of Assumptions Used [Table Text Block] |
|  |  | December 31,
|  |  | 2012 |  | 2011
|  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Benefit Obligation: |  |  |  |  |  |  |  |
| Discount rates |  | 3.86% |  | 8.25%(2) |  | 4.67% |  | 9.52%(2)
| Rates of compensation increase |  | 3.94%(1) |  | 6.45% |  | 3.94%(1) |  | 5.98%
Periodic Benefit Cost: |  |  |  |  |  |  |  |
| Discount rate |  | 4.67% |  | 9.52% |  | 5.38% |  | 9.82%
| Expected long-term rate of return on plan assets |  | 7.28% |  | 10.81% |  | 7.49% |  | 11.08%
| Rate of compensation increase |  | 3.94%(1) |  | 5.98% |  | 3.94%(1) |  | 5.98%
Impact Of One Percent Change In Assumptions Table |
| Increase of 1% in the discount rate |  | $ | (48)
| Decrease of 1% in the discount rate |  |  | 38
| Increase of 1% in the long-term rate of return on plan assets |  |  | (47)
| Decrease of 1% in the long-term rate of return on plan assets |  |  | 47
Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] |
|  | December 31, 2012
|  | Accumulated Other Comprehensive Loss |  | Amounts expected to be reclassified to earnings in next fiscal year
|  | U.S. |  | Foreign |  | U.S. |  | Foreign
|  | (in millions)
Prior service cost |  | $ | - |  | $ | (2) |  | $ | - |  | $ | -
Unrecognized net actuarial loss |  |  | - |  |  | (1,873) |  |  | - |  |  | (83)
Total |  | $ | - |  | $ | (1,875) |  | $ | - |  | $ | (83)
Target / Actual Allocation Of Pension Plan Asset Table |
|  |  |  |  |  | Percentage of Plan Assets as of December 31,
|  | Target Allocations |  | 2012 |  | 2011
Asset Category |  | U.S. |  | Foreign |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Equity securities |  | 41% |  | 15% - 30% |  | 32.28% |  | 19.76% |  | 34.12% |  | 23.48%
Debt securities |  | 49% |  | 59% - 85% |  | 46.66% |  | 76.21% |  | 38.58% |  | 72.55%
Real estate |  | 2% |  | 0% - 4% |  | 0.00% |  | 2.57% |  | 0.00% |  | 2.34%
Other |  | 8% |  | 0% - 6% |  | 21.06% |  | 1.46% |  | 27.30% |  | 1.63%
Total pension assets |  |  |  |  |  | 100.00% |  | 100.00% |  | 100.00% |  | 100.00%
Fair Value Of Plan Assets By Category / Level (Foreign) |
|  |  |  | December 31, 2012 |  | December 31, 2011
Foreign Plans |  | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
|  |  |  | (in millions)
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Common stock |  | $ | 28 |  | $ | - |  | $ | - |  | $ | 28 |  | $ | 26 |  | $ | - |  | $ | - |  | $ | 26
| Mutual funds |  |  | 457 |  |  | - |  |  | - |  |  | 457 |  |  | 427 |  |  | - |  |  | - |  |  | 427
| Private equity(1) |  |  | - |  |  | - |  |  | 446 |  |  | 446 |  |  | - |  |  | - |  |  | 580 |  |  | 580
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Certificates of deposit |  |  | - |  |  | 3 |  |  | - |  |  | 3 |  |  | - |  |  | 5 |  |  | - |  |  | 5
| Unsecured debentures |  |  | - |  |  | 16 |  |  | - |  |  | 16 |  |  | - |  |  | 20 |  |  | - |  |  | 20
| Government debt securities |  |  | 9 |  |  | 206 |  |  | - |  |  | 215 |  |  | 6 |  |  | 221 |  |  | - |  |  | 227
| Mutual funds(2) |  |  | 139 |  |  | 3,208 |  |  | - |  |  | 3,347 |  |  | 125 |  |  | 2,805 |  |  | - |  |  | 2,930
| Other debt securities |  |  | - |  |  | 10 |  |  | - |  |  | 10 |  |  | - |  |  | 10 |  |  | - |  |  | 10
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Real estate(1) |  |  | - |  |  | - |  |  | 121 |  |  | 121 |  |  | - |  |  | - |  |  | 103 |  |  | 103
Other: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Cash and cash equivalents |  |  | 1 |  |  | - |  |  | - |  |  | 1 |  |  | - |  |  | - |  |  | - |  |  | -
| Participant loans(3) |  |  | - |  |  | - |  |  | 68 |  |  | 68 |  |  | - |  |  | - |  |  | 72 |  |  | 72
|  | Total plan assets |  | $ | 634 |  | $ | 3,443 |  | $ | 635 |  | $ | 4,712 |  | $ | 584 |  | $ | 3,061 |  | $ | 755 |  | $ | 4,400
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] |
|  |  |  |  | Year Ended December 31,
|  |  |  |  | 2012 |  | 2011
|  |  |  |  | (in millions)
| Balance at January 1 |  | $ | 755 |  | $ | 703
|  | Actual return on plan assets: |  |  |  |  |  |
|  |  | Returns relating to assets still held at reporting date |  |  | (60) |  |  | 167
|  |  | Returns relating to assets sold during the period |  |  | - |  |  | 28
|  | Purchases, sales and settlements, net |  |  | 3 |  |  | (48)
|  | Change due to exchange rate changes |  |  | (63) |  |  | (95)
| Balance at December 31 |  | $ | 635 |  | $ | 755
Scheduled Cash Flows For Employer Contributions And Expected Future Benefit Payments |
|  |  |  | U.S. |  | Foreign
|  |  |  | (in millions)
Expected employer contribution in 2013 |  | $ | 53 |  | $ | 165
Expected benefit payments for fiscal year ending: |  |  |  |  |  |
2013 |  |  | 58 |  |  | 425
2014 |  |  | 60 |  |  | 439
2015 |  |  | 62 |  |  | 457
2016 |  |  | 64 |  |  | 474
2017 |  |  | 66 |  |  | 492
2018 - 2022 |  |  | 354 |  |  | 2,739

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