Income Taxes (Tables)

12 Months Ended

Dec. 26, 2015

Income Tax Disclosure [Abstract]

Income Before Taxes And Provisions For Taxes [Table Text Block]

Income before taxes and the provision for taxes consisted of the following:

Years Ended (In Millions)	Dec 26, 2015			Dec 27, 2014			Dec 28, 2013
Income before taxes:
U.S.	$	8,800		$	11,565		$	9,374
Non-U.S.	5,412			4,236			3,237
Total income before taxes	14,212			15,801			12,611
Provision for taxes:
Current:
Federal	2,828			3,374			2,730
State	40			38			68
Non-U.S.	842			969			716
Total current provision for taxes	3,710			4,381			3,514
Deferred:
Federal	(862		)	(263		)	(412		)
Other	(56		)	(21		)	(111		)
Total deferred provision for taxes	(918		)	(284		)	(523		)
Total provision for taxes	$	2,792		$	4,097		$	2,991
Effective tax rate	19.6		%	25.9		%	23.7		%

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The difference between the tax provision at the statutory federal income tax rate and the tax provision as a percentage of income before income taxes (effective tax rate) for each period was as follows:

Years Ended (In Millions)	Dec 26, 2015		Dec 27, 2014		Dec 28, 2013
Statutory federal income tax rate	35.0	%	35.0	%	35.0	%
Increase (reduction) in rate resulting from:
Non-U.S. income taxed at different rates	(7.9	)	(6.1	)	(5.8	)
Settlements, effective settlements, and related remeasurements	(2.9	)	—		—
Domestic manufacturing deduction benefit	(2.0	)	(2.1	)	(2.1	)
Research and development tax credits	(1.7	)	(1.7	)	(3.5	)
Other	(0.9	)	0.8		0.1
Effective tax rate	19.6	%	25.9	%	23.7	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts for income tax purposes. Significant components of our deferred tax assets and liabilities at the end of each period were as follows:

(In Millions)	Dec 26, 2015			Dec 27, 2014
Deferred tax assets:
Accrued compensation and other benefits	$	931		$	982
Share-based compensation	424			438
Deferred income	694			691
Inventory	598			339
State credits and net operating losses	613			519
Other, net	760			715
Gross deferred tax assets	4,020			3,684
Valuation allowance	(701		)	(595		)
Total deferred tax assets	3,319			3,089
Deferred tax liabilities:
Property, plant and equipment	(505		)	(1,171		)
Licenses and intangibles	(563		)	(576		)
Convertible debt	(1,042		)	(977		)
Unrealized gains on investments and derivatives	(717		)	(1,017		)
Investment in non-U.S. subsidiaries	(37		)	(252		)
Other, net	(358		)	(291		)
Total deferred tax liabilities	(3,222		)	(4,284		)
Net deferred tax assets (liabilities)	97			(1,195		)
Reported as:
Current deferred tax assets	2,036			1,958
Non-current deferred tax assets	600			622
Non-current deferred tax liabilities	(2,539		)	(3,775		)
Net deferred tax assets (liabilities)	$	97		$	(1,195	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

The aggregate changes in the balance of gross unrecognized tax benefits for each period were as follows:

Years Ended (In Millions)	Dec 26, 2015			Dec 27, 2014			Dec 28, 2013
Beginning gross unrecognized tax benefits	$	577		$	207		$	189
Settlements and effective settlements with tax authorities and related remeasurements	(452		)	(220		)	(2		)
Increases in balances related to tax positions taken during prior periods	4			173			21
Decreases in balances related to tax positions taken during prior periods	(34		)	(1		)	(9		)
Increases in balances related to tax positions taken during current period	6			418			8
Ending gross unrecognized tax benefits	$	101		$	577		$	207