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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 |
Mar. 31, 2012
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Dec. 31, 2011
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|---|---|---|
| Asset Derivatives | ||
| Asset Derivatives | $ 543 | $ 649 |
| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 166 | 208 |
|
Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets
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| Asset Derivatives | ||
| Asset Derivatives | 85 | 164 |
|
Designated as Hedging Instrument | Foreign Exchange Contracts | Other noncurrent assets
|
||
| Asset Derivatives | ||
| Asset Derivatives | 23 | 0 |
|
Designated as Hedging Instrument | Foreign Exchange Contracts | Other non-current liabilities
|
||
| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 143 | 185 |
|
Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets
|
||
| Asset Derivatives | ||
| Asset Derivatives | 365 | 401 |
|
Designated as Hedging Instrument | Interest Rate Contracts | Other current liabilities
|
||
| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 9 | 0 |
|
Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities
|
||
| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | 12 | 13 |
|
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other current assets
|
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| Asset Derivatives | ||
| Asset Derivatives | 0 | 2 |
|
Not Designated as Hedging Instrument | Interest Rate Contracts | Other noncurrent assets
|
||
| Asset Derivatives | ||
| Asset Derivatives | 70 | 82 |
|
Not Designated as Hedging Instrument | Interest Rate Contracts | Other non-current liabilities
|
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| Derivative Liabilities [Abstract] | ||
| Liability Derivatives | $ 2 | $ 10 |