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Income, Sales-Based And Other Taxes (Income Taxes Charged/Credited Directly To Equity) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Income, Sales-Based And Other Taxes [Abstract] | |||
| Cumulative foreign exchange translation adjustment | $ 89 | $ (42) | $ (247) |
| Net actuarial loss / (gain) | 2,016 | 553 | (94) |
| Amortization of actuarial loss / (gain) | (503) | (609) | (649) |
| Prior service cost | 47 | 92 | 20 |
| Amortization of prior service cost | (41) | (45) | (43) |
| Foreign exchange rate changes | (24) | 44 | 175 |
| Total postretirement benefits reserves adjustment | 1,495 | 35 | (591) |
| Other components of equity | $ 236 | $ 246 | $ 140 |
| X | ||||||||||
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- Definition
The tax effect of items occurring during the period that have been charged or credited directly to components of shareholders' equity and are not otherwise defined. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect on the accumulated change in the value of either the projected benefit obligation or plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect on the change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into reporting currency of the reporting entity for the period being reported. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Tax effect on the cost of benefit improvement resulting from a plan amendment that occurred during the period. The expense has not been recognized in net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Other Comprehensive Income Defined Benefit Plans Amortized Gain Loss Arising During Period Tax No definition available.
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