Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information

Unaudited quarterly results are as follows (in millions, except per share data):

	Year Ended December 31, 2016 (1)
	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Net sales	$	29,128		$	30,404		$	32,714		$	43,741
Operating income	1,071			1,285			575			1,255
Income before income taxes	1,056			1,179			491			1,166
Provision for income taxes	(475		)	(307		)	(229		)	(414		)
Net income (loss)	513			857			252			749
Basic earnings per share	1.09			1.81			0.53			1.57
Diluted earnings per share	1.07			1.78			0.52			1.54
Shares used in computation of earnings per share:
Basic	471			473			474			476
Diluted	481			483			485			486

	Year Ended December 31, 2017 (1)
	First Quarter			Second Quarter			Third Quarter (2)			Fourth Quarter (2)
Net sales	$	35,714		$	37,955		$	43,744		$	60,453
Operating income	1,005			628			347			2,127
Income before income taxes	953			666			316			1,872
Provision for income taxes	(229		)	(467		)	(58		)	(16		)
Net income (loss)	724			197			256			1,856
Basic earnings per share	1.52			0.41			0.53			3.85
Diluted earnings per share	1.48			0.40			0.52			3.75
Shares used in computation of earnings per share:
Basic	477			479			481			483
Diluted	490			492			494			496

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(1) The sum of quarterly amounts, including per share amounts, may not equal amounts reported for year-to-date periods. This is due to the effects of rounding and changes in the number of weighted-average shares outstanding for each period.

(2) We acquired Whole Foods Market on August 28, 2017. The results of Whole Foods Market have been included in our results of operation from the date of acquisition. See Item 8 of Part II, “Financial Statements and Supplementary Data—Note 4—Acquisitions, Goodwill, and Acquired Intangible Assets” for additional information regarding this transaction.