Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Oct. 27, 2018 |
Oct. 28, 2017 |
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| Statement of Comprehensive Income [Abstract] | ||
| Change in net unrealized gains, tax benefit (expense) | $ 13 | $ (23) |
| Net (gains) losses reclassified into earnings, tax expense (benefit) | 0 | 10 |
| Change in unrealized gains and losses, tax benefit (expense) | 1 | (1) |
| Net (gains) losses reclassified into earnings, tax expense (benefit) | 0 | 2 |
| Net change in cumulative translation adjustment and actuarial gains and losses, tax benefit (expense) | $ (1) | $ (2) |
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- Definition OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentandactuarialgainsandlossesTax No definition available.
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- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale category and out of the held-to-maturity category. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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