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Consolidated Comprehensive Income (Parenthetical) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
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Oct. 26, 2013
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Oct. 27, 2012
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| Other Comprehensive Income (Loss), Tax [Abstract] | ||
| Other Comprehensive Income (Loss), Available-for-sale Securities, Tax | $ (53) | $ 1 |
| Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax | 31 | 10 |
| Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | (3) | 0 |
| Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax | $ (3) | $ (10) |
| X | ||||||||||
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- Definition
Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit), after reclassification adjustments, of 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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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