v3.10.0.1

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
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Oct. 27, 2018 | Oct. 28, 2017
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 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e640-108580 + Details
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