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Long-Term Employee Benefits Defined Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 4 Months Ended | 8 Months Ended | 9 Months Ended |  | 9 Months Ended | 1 Months Ended | 3 Months Ended | 8 Months Ended |  | 3 Months Ended | 5 Months Ended | 7 Months Ended | 9 Months Ended
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Sep. 30, 2013 Pension Plans [Member] | Sep. 30, 2012 Pension Plans [Member] | Sep. 30, 2013 Pension Plans [Member] | Sep. 30, 2012 Pension Plans [Member] | Sep. 30, 2013 Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2012 Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2013 Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2012 Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member] | Dec. 30, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member] | Aug. 30, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member] | Sep. 30, 2013 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member] | Sep. 01, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member] | Sep. 30, 2013 Impact of sale of Business on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 29, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Aug. 30, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 01, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Dec. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Jul. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member] | Sep. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement and curtailment losses (gains) |  |  |  |  |  |  |  |  |  |  |  | $ 153 |  | $ (153) |  |  |  |  |  |  |  |
Curtailment (gain) loss | 0 | 2 | 1 | 2 | 0 | 3 | (154) | 3 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Defined benefit plan, discount rate |  |  |  |  |  |  |  |  |  | 4.10% | 4.50% |  |  |  | 4.75% |  | 3.85% |  |  | 4.00% | 4.50% |
Defined benefit plan, expected return on plan assets |  |  |  |  |  |  |  |  |  | 8.75% | 9.00% |  |  |  |  |  |  |  |  |  |  |
Impact to underfunded status of plan |  |  |  |  |  |  |  |  |  |  |  |  | 609 |  |  |  |  |  |  |  |  |
Defined Benefit Plan, decrease to benefit obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 294 | 700 |  |  | 700
Defined benefit plan, actuarial gain (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95 |  |  | (138) |  |  |
Prior service benefit (cost) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 199 |  |  | 838 |  |  |
Reduction to other long term employee benefit expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18 |  |  | $ 18

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- Definition Curtailment and remeasurement impact on underfunded status and pretax net loss of plan. + References No definition available. + Details
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- Definition Reduction to Other Long Term Employee Benefit Expense, as a result of plan amendment and remeasurement. + References No definition available. + Details
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- Definition Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Gain or Loss -URI http://asc.fasb.org/extlink&oid=6514294 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Glossary Gain or Loss -URI http://asc.fasb.org/extlink&oid=6749293 + Details
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- Definition The interest rate used to adjust for the time value of money. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512013 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The amount of increase or decrease in the accumulated benefit obligation related to the effects of a change in the substantive terms of an existing defined benefit pension plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Glossary Plan Amendment -URI http://asc.fasb.org/extlink&oid=6520743 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Plan Amendment -URI http://asc.fasb.org/extlink&oid=6520782 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (r) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost due to settlements and curtailments. Curtailments result from an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. Settlements result from an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount before tax of cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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