Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

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 31, 2016			Dec 26, 2015			Dec 27, 2014
Income before taxes:
U.S.	$	6,957		$	8,800		$	11,565
Non-U.S.	5,979			5,412			4,236
Total income before taxes	12,936			14,212			15,801
Provision for taxes:
Current:
Federal	1,319			2,828			3,374
State	13			40			38
Non-U.S.	756			842			969
Total current provision for taxes	2,088			3,710			4,381
Deferred:
Federal	658			(862		)	(263		)
Other	(126		)	(56		)	(21		)
Total deferred provision for taxes	532			(918		)	(284		)
Total provision for taxes	$	2,620		$	2,792		$	4,097
Effective tax rate	20.3		%	19.6		%	25.9		%

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	Dec 31, 2016		Dec 26, 2015		Dec 27, 2014
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	(11.7	)	(7.9	)	(6.1	)
Research and development tax credits	(2.3	)	(1.7	)	(1.7	)
Domestic manufacturing deduction benefit	(1.4	)	(2.0	)	(2.1	)
Settlements, effective settlements, and related remeasurements	(0.1	)	(2.9	)	—
Other	0.8		(0.9	)	0.8
Effective tax rate	20.3	%	19.6	%	25.9	%

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 31, 2016			Dec 26, 2015
Deferred tax assets:
Accrued compensation and other benefits	$	1,182		$	931
Share-based compensation	373			424
Deferred income	596			694
Inventory	1,044			598
State credits and net operating losses	846			613
Other, net	1,187			760
Gross deferred tax assets	5,228			4,020
Valuation allowance	(953		)	(701		)
Total deferred tax assets	4,275			3,319
Deferred tax liabilities:
Property, plant and equipment	(1,574		)	(505		)
Licenses and intangibles	(1,036		)	(563		)
Convertible debt	(1,098		)	(1,042		)
Unrealized gains on investments and derivatives	(940		)	(717		)
Investment in non-U.S. subsidiaries	—			(37		)
Other, net	(450		)	(358		)
Total deferred tax liabilities	(5,098		)	(3,222		)
Net deferred tax assets (liabilities)	(823		)	97
Reported as:
Deferred tax assets	907			1,051
Deferred tax liabilities	(1,730		)	(954		)
Net deferred tax assets (liabilities)	$	(823	)	$	97

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 31, 2016			Dec 26, 2015			Dec 27, 2014
Beginning gross unrecognized tax benefits	$	101		$	577		$	207
Settlements and effective settlements with tax authorities and related remeasurements	(11		)	(452		)	(220		)
Lapse of statute of limitations	(16		)	—			—
Increases in balances related to tax positions taken during prior periods	81			4			173
Decreases in balances related to tax positions taken during prior periods	(11		)	(34		)	(1		)
Increases in balances related to tax positions taken during current period	10			6			418
Ending gross unrecognized tax benefits	$	154		$	101		$	577