Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Jul. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

The following tables contain selected quarterly financial data for the twelve months ended July 31, 2020 and July 31, 2019.

	Fiscal 2020 Quarter Ended
(In millions, except per share amounts)	October 31		January 31		April 30		July 31
Total net revenue	$	1,165	$	1,696	$	3,002	$	1,816
Cost of revenue	290		340		426		322
All other costs and expenses	865		1,086		1,163		1,011
Operating income	10		270		1,413		483
Net income	57		240		1,084		445
Basic net income per share	$	0.22	$	0.92	$	4.15	$	1.70
Diluted net income per share	$	0.22	$	0.91	$	4.11	$	1.68

	Fiscal 2019 Quarter Ended
(In millions, except per share amounts)	October 31			January 31		April 30		July 31
Total net revenue	$	1,016		$	1,502	$	3,272	$	994
Cost of revenue	247			285		354		281
All other costs and expenses	779			984		1,134		866
Operating income (loss)	(10		)	233		1,784		(153		)
Net income (loss)	34			189		1,378		(44		)
Basic net income (loss) per share	$	0.13		$	0.73	$	5.30	$	(0.17	)
Diluted net income (loss) per share	$	0.13		$	0.72	$	5.22	$	(0.17	)