Effective Income Tax Rate Reconciliation, Effect of Tax Cuts and Jobs Act of 2017, Amount

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- Definition

Effective Income Tax Rate Reconciliation, at Blended Federal Statutory Income Tax Rate, Percent

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Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Millions	Dec. 29, 2017	Dec. 30, 2016	Sep. 29, 2017	Dec. 29, 2017	Dec. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Federal statutory income tax rate, Percent		35.00%	35.00%	21.00%	35.00%
Blended statutory rate				31.58%
Effect of Tax Cuts and Jobs Act of 2017, amount	$ 810			$ 810
Income tax benefit resulting from the Act	1,600			1,600
Reduction in deferred tax liability for foreign earnings	1,400			1,400
Tax related to deemed repatriation of foreign earnings	821			821
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense	(30)	$ (85)		7	$ 49
Information Management \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense	$ (30)	$ (85)		$ 7	$ 49