Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Cash flows from operating activities:
Net loss	$ (7)	$ (150)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	94	75
Amortization of acquired intangible assets	19	36
Share-based compensation expense	137	122
Deferred income taxes	(11)	(16)
Tax benefit from share-based compensation plans	20	38
Excess tax benefit from share-based compensation plans	(20)	(38)
Other	10	19
Total adjustments	249	236
Changes in operating assets and liabilities:
Accounts receivable	(431)	(327)
Income taxes receivable	(26)	(110)
Prepaid expenses and other assets	(18)	12
Accounts payable	103	116
Accrued compensation and related liabilities	(100)	(79)
Deferred revenue	296	439
Other liabilities	43	110
Total changes in operating assets and liabilities	(133)	161
Net cash provided by operating activities	109	247
Cash flows from investing activities:
Purchases of available-for-sale debt securities	(181)	(619)
Sales of available-for-sale debt securities	942	458
Maturities of available-for-sale debt securities	126	328
Net change in money market funds and other cash equivalents held to satisfy customer fund obligations	(35)	(65)
Net change in customer fund deposits	35	65
Purchases of property and equipment	(394)	(116)
Acquisitions of businesses, net of cash acquired	0	(76)
Other	0	(10)
Net cash provided by (used in) investing activities	493	(35)
Cash flows from financing activities:
Proceeds from borrowings under credit facility	745	0
Net proceeds from issuance of stock under employee stock plans	56	101
Cash paid for purchases of treasury stock	(1,725)	(554)
Dividends and dividend rights paid	(161)	(143)
Excess tax benefit from share-based compensation plans	20	38
Net cash used in financing activities	(1,065)	(558)
Effect of exchange rates on cash and cash equivalents	(11)	(21)
Net decrease in cash and cash equivalents	(474)	(367)
Cash and cash equivalents at beginning of period	808	849
Cash and cash equivalents at end of period	$ 334	$ 482