Discontinued Operations (Schedule Of Gain (Loss) From Discontinued Operations) (Details) (USD $) In Millions | 3 Months Ended | ||
|---|---|---|---|
Jun. 30, 2011 | Sep. 30, 2010 | Jun. 30, 2010 | |
| Gross | $ 2,546 | $ 1,535 | $ 308 |
| After Taxes | 2,546 | 1,522 | 235 |
Brazil [Member] | |||
| Gross | 2,546 | ||
| After Taxes | 2,546 | ||
Azerbaijan [Member] | |||
| Gross | 1,543 | ||
| After Taxes | 1,524 | ||
China Panyu [Member] | |||
| Gross | 308 | ||
| After Taxes | 235 | ||
Other Segment [Member] | |||
| Gross | (8) | ||
| After Taxes | $ (2) | ||
| X | ||||||||||
- Definition Pretax gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Gain (loss) after tax expense or benefit, not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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