Cash and Cash Equivalents, Investments and Funds Held for Customers (Tables)

12 Months Ended

Jul. 31, 2015

Cash and Cash Equivalents, Investments and Funds Held for Customers [Abstract]

Cash and cash equivalents, investments and funds held for customers by balance sheet classification

The following table summarizes our cash and cash equivalents, investments and funds held for customers by balance sheet classification at the dates indicated.

	July 31, 2015				July 31, 2014
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Classification on balance sheets:
Cash and cash equivalents	$	808	$	808	$	849	$	849
Investments	890		889		1,064		1,065
Funds held for customers	337		337		289		289
Long-term investments	27		27		31		31
Total cash and cash equivalents, investments and funds held for customers	$	2,062	$	2,061	$	2,233	$	2,234

Cash and cash equivalents, investments and funds held for customers by investment category

The following table summarizes our cash and cash equivalents, investments and funds held for customers by investment category at the dates indicated. See Note 2 for more information on our municipal auction rate securities.

	July 31, 2015				July 31, 2014
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Type of issue:
Total cash and cash equivalents	$	970	$	970	$	994	$	994
Available-for-sale debt securities:
Municipal bonds	507		506		700		701
Municipal auction rate securities	15		15		21		21
Corporate notes	546		546		466		466
U.S. agency securities	12		12		42		42
Total available-for-sale debt securities	1,080		1,079		1,229		1,230
Other long-term investments	12		12		10		10
Total cash and cash equivalents, investments and funds held for customers	$	2,062	$	2,061	$	2,233	$	2,234

Available-for-sale debt securities classified by the stated maturity date of the security

The following table summarizes our available-for-sale debt securities classified by the stated maturity date of the security at the dates indicated.

	July 31, 2015				July 31, 2014
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	434	$	435	$	363	$	363
Due within two years	443		442		443		443
Due within three years	156		156		303		303
Due after three years	47		46		120		121
Total available-for-sale debt securities	$	1,080	$	1,079	$	1,229	$	1,230