Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information

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

	Year Ended December 31, 2014 (1)
	Fourth Quarter			Third Quarter			Second Quarter			First Quarter
Net sales	$	29,328		$	20,579		$	19,340		$	19,741
Income (loss) from operations	591			(544		)	(15		)	146
Income (loss) before income taxes	429			(634		)	(27		)	120
Benefit (provision) for income taxes	(205		)	205			(94		)	(73		)
Net income (loss)	214			(437		)	(126		)	108
Basic earnings per share	0.46			(0.95		)	(0.27		)	0.23
Diluted earnings per share	0.45			(0.95		)	(0.27		)	0.23
Shares used in computation of earnings per share:
Basic	464			463			461			460
Diluted	472			463			461			468

	Year Ended December 31, 2013 (1)
	Fourth Quarter			Third Quarter			Second Quarter			First Quarter
Net sales	$	25,587		$	17,092		$	15,704		$	16,070
Income (loss) from operations	510			(25		)	79			181
Income (loss) before income taxes	451			(43		)	17			81
Benefit (provision) for income taxes	(179		)	12			(13		)	18
Net income (loss)	239			(41		)	(7		)	82
Basic earnings per share	0.52			(0.09		)	(0.02		)	0.18
Diluted earnings per share	0.51			(0.09		)	(0.02		)	0.18
Shares used in computation of earnings per share:
Basic	458			457			456			455
Diluted	467			457			456			463

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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.