Income Taxes Rate Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory Federal Income Tax Rate			21.00%	21.00%
Provision for Income Taxes at Statutory Rate			$ 437	$ 464
Foreign rate differential			(110)	(184)
Foreign exchange loss on inter-company debt refinancing				(62)
Income tax credits			(226)	(137)
Global intangible low-taxed income			104	134
Foreign-derived intangible income			(29)	(24)
Withholding taxes			9	31
Transition tax and other impacts of U.S. tax reform				(20)
Provision for tax reserves, net				43
Excess tax benefits from stock options and restricted stock units			(50)	(50)
Basis difference on disposal of business				64
Other, net			2	17
Provision for Income Taxes	$ 97	$ 274	$ 137	$ 276
US foreign tax credits generated by repatriation of foreign earnings	$ 96

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

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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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 the disposition of a business not qualifying as a discontinued operation.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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