| **Summary of Significant Accounting Policies - Narrative (Details) (USD $)In Millions, except Per Share data, unless otherwise specified**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 3 Months Ended | 12 Months Ended |        | 12 Months Ended |        |        | 3 Months Ended | 12 Months Ended |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|-----------------|--------|-----------------|--------|--------|----------------|-----------------|
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| **Accounting Policies [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |           |            |   |            |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Number Of Segments                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |           |            |   |            |   |   | 4              |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Net Income (Loss) Attributable to Parent                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |           |            |   |            |   |   | $ (898)        |                 | $ (3,010) |  | $ 1,723 |  |   |   | $ (8) | $ 81 | [1] | $ 91 | [1] | $ 129 | [1] | $ (902) |  | $ (736) |  | $ 344 |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Sales of manufactured products, net                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |           |            |   |            |   |   | 10,617         |                 | 12,527 |  | 13,441 |  |   |   | (113) |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Cost of Goods Sold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |           |            |   |            |   |   | 9,761          |                 | 11,401 |  | 10,937 |  |   |   | (113) |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Depreciation and amortization                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |           |            |   |            |   |   | 417            |                 | 323 |  | 328 |  |   |   | 37 | 40 | [1] | 33 | [1] | 28 | [1] | 305 |  | 216 |  | 230 |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Interest Expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |           |            |   |            |   |   | 321            |                 | 259 |  | 247 |  |   |   | 8 | 70 | [1] | 88 | [1] | 109 | [1] | 0 |  | 0 |  | 0 |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Payments to Acquire Property, Plant, and Equipment                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |           |            |   |            |   |   | 167            | [2]             | 309 | [2] | 429 | [2] |   |   | 184 | 2 | [1],[2] | 3 | [1],[2] | 2 | [1],[2] | 142 | [2] | 173 | [2] | 171 | [2] |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Proceeds from finance lease obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |           |            |   |            |   |   | 294            |                 | 0 |  | 0 |  |   |   | 201 |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Variable Interest Entity, Consolidated, Carrying Amount, Assets                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |           |            |   |            |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   | 989 | 1,100 |   |   |  |   |  |   |   |   |   |   |
| Product Warranty Accrual Adjustment related to costs incurred in prior periods                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |           |            |   | 28              |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Product Warranty Accrual, Increase (Decrease), per share                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |           |            |   | $ 0.41          |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Advertising Expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |           |            |   |            |   |   | 73             |                 | 78 |  | 71 |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Product Warranty Expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |           |            |   |            |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  | 161 |  | 66 |  |   |  | 88 | 130 |   |   |   | 19 | 47 |   |   |   |   |  |   |  |   |   |   |   | 127 |
| Foreign Currency Transaction Gain (Loss), before Tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |           |            |   |            |   |   | (23)           |                 | (25) |  | 4 |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| **Risks and Uncertainties [Abstract]**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |           |            |   |            |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Concentration Risk Number Of Employees                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |           |            |   |            |   |   |           |                 |   |  |   |  | 5,600 | 400 |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| concentration risk number of employees percentage                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |           |            |   |            |   |   |           |                 |   |  |   |  | 64.00% | 6.00% |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Product Warranty Accrual, Preexisting Increase Decrease Per Share, Net of Tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |           |            |   |            | $ 0.39 | $ 0.34 |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   | $ 1.89 | $ 0.60 |  | $ 2.04 |  | $ 0.50 | $ 2.16 | $ 1.51 | $ 1.76 |   |
| Product Warranty Accrual, Preexisting, Increase (Decrease)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 152            | 10              | 13     | 149             | 30     | 27     | 404            |                 | 404 |  | 79 |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |   |   |   |   |   |   |   | 48 | [3] | 164 | [3] | 40 | 149 | 104 | 123 |   |
| Deferred Revenue                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |           |            |   |            |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   | 420 | 364 | 257 |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
| Deferred Revenue, Revenue Recognized                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |           |            |   |            |   |   |           |                 |   |  |   |  |   |   |   |   |  |   |  |   |  |   |  |   |  |   |  |   |   | $ 87 | $ 63 | $ 53 |   |   |   |   |   |   |  |   |  |   |   |   |   |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [1](A)Total sales and revenues in the Financial Services segment include interest revenues of $181 million, $254 million, and $285 million for 2013, 2012, and 2011, respectively.[2](B)Exclusive of purchases of equipment leased to others.[3](C)In the first quarter of 2013, we recognized $13 million of charges for adjustments to pre-existing warranties for a specific warranty issue related to component parts from a supplier. Also during the first quarter of 2013, we reached agreement for reimbursement from this supplier for this amount and other costs previously accrued. As a result of this agreement, we recognized a recovery of $27 million within Costs of products sold and recorded a receivable within Other current assets. In the second quarter of 2013, we recognized a warranty recovery of $13 million within Loss from discontinued operations, net of tax and recorded a receivable within Other current assets.In the third quarter of 2012, we recognized $10 million of adjustments to pre-existing warranties for a specific warranty issue related to component parts from a supplier. Also during the quarter, we reached agreement for reimbursement from such supplier and recognized a recovery for that amount and recorded a receivable within Other current assets. |

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| - Definition
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.
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Total costs related to goods produced and sold during the reporting period.
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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.
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Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.
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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.
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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
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Amount of the cost of borrowed funds accounted for as interest expense.
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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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| - Definition
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
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| - Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
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Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates).
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The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.
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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.
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The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.
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