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Location on the Balance Sheet of Derivative Assets and Liabilities (Detail) (Fair Value, Inputs, Level 2, USD $)
In Millions, unless otherwise specified |
Sep. 30, 2013
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Dec. 31, 2012
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|---|---|---|
| Asset Derivatives | ||
| Asset Derivatives | $ 382 | $ 566 |
| Derivative Asset, Fair Value, Net | 303 | 540 |
| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 106 | 159 |
| Derivative Asset, Fair Value, Net | 27 | 133 |
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Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets
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| Asset Derivatives | ||
| Asset Derivatives | 18 | 27 |
| Derivative Asset, Fair Value, Net | 18 | 27 |
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Designated as Hedging Instrument | Foreign Exchange Contracts | Other noncurrent assets
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| Asset Derivatives | ||
| Asset Derivatives | 32 | 14 |
| Derivative Asset, Fair Value, Net | 32 | 12 |
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Designated as Hedging Instrument | Foreign Exchange Contracts | Other non-current liabilities
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| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 22 | 103 |
| Derivative Asset, Fair Value, Net | 22 | 101 |
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Designated as Hedging Instrument | Interest Rate Contracts | Other current assets
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| Asset Derivatives | ||
| Asset Derivatives | 15 | 1 |
| Derivative Asset, Fair Value, Net | 15 | 1 |
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Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets
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| Asset Derivatives | ||
| Asset Derivatives | 243 | 420 |
| Derivative Asset, Fair Value, Net | 171 | 406 |
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Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities
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| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 75 | 14 |
| Derivative Asset, Fair Value, Net | 3 | 0 |
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Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets
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| Asset Derivatives | ||
| Asset Derivatives | 12 | 3 |
| Derivative Asset, Fair Value, Net | 8 | 3 |
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Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current liabilities
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| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | (4) | (1) |
| Derivative Asset, Fair Value, Net | 0 | (1) |
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Not Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets
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| Asset Derivatives | ||
| Asset Derivatives | 62 | 101 |
| Derivative Asset, Fair Value, Net | 59 | 91 |
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Not Designated as Hedging Instrument | Interest Rate Contracts | Other current liabilities
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| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 1 | 0 |
| Derivative Asset, Fair Value, Net | 1 | 0 |
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Not Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities
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| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 4 | 41 |
| Derivative Asset, Fair Value, Net | $ 1 | $ 31 |