| **Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Millions** | 3 Months Ended | 6 Months Ended |
|----------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Statement of Comprehensive Income [Abstract]**                                             |           |           |   |   |
| Foreign currency translation, tax                                                            | $ (20)         | $ 34           | $ 17 | $ (66) |
| **Derivative financial instruments:**                                                        |           |           |   |   |
| Gains (losses) deferred, tax                                                                 | 3              | 0              | 3 | (1) |
| (Gains) losses reclassified to earnings, tax                                                 | (3)            | (1)            | (3) | (1) |
| **Available-for-sale securities**                                                            |           |           |   |   |
| Gains (losses) deferred, tax                                                                 | 0              | 0              | 0 | 0 |
| (Gains) losses reclassified to earnings, tax                                                 | $ 0            | $ 0            | $ 0 | $ 0 |

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| - Definition
Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
+ References
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| - Definition
Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
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| - Definition
Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.
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