Basis of Presentation (Tables)

6 Months Ended

Mar. 25, 2018

The following table provides information about the diluted earnings per share calculation (in millions):



	Three Months Ended		Six Months Ended
	March 25, 2018	March 26, 2017	March 25, 2018	March 26, 2017
Dilutive common share equivalents included in diluted shares	12.2	11.3	—	14.2
Shares of common stock equivalents not included because the effect would be anti-dilutive or certain performance conditions were not satisfied at the end of the period	0.1	10.8	44.9	5.4

Total share-based compensation expense, related to all of the Company’s share-based awards, was comprised as follows (in millions):



	Three Months Ended						Six Months Ended
	March 25, 2018			March 26, 2017			March 25, 2018			March 26, 2017
Cost of revenues	$	10		$	10		$	21		$	20
Research and development	151			155			307			308
Selling, general and administrative	61			81			142			157
Share-based compensation expense before income taxes	222			246			470			485
Related income tax benefit	(29		)	(36		)	(77		)	(84		)
	$	193		$	210		$	393		$	401