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

12 Months Ended

Jul. 31, 2014

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, 2014				July 31, 2013
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Classification on balance sheets:
Cash and cash equivalents	$	849	$	849	$	1,009	$	1,009
Investments	1,064		1,065		653		652
Funds held for customers	289		289		235		235
Long-term investments	31		31		54		83
Total cash and cash equivalents, investments and funds held for customers	$	2,233	$	2,234	$	1,951	$	1,979

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, 2014				July 31, 2013
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Type of issue:
Total cash and cash equivalents	$	994	$	994	$	1,069	$	1,069
Available-for-sale debt securities:
Municipal bonds	700		701		489		489
Municipal auction rate securities	21		21		33		33
Corporate notes	466		466		269		269
U.S. agency securities	42		42		69		69
Total available-for-sale debt securities	1,229		1,230		860		860
Available-for-sale corporate equity securities	—		—		5		33
Other long-term investments	10		10		17		17
Total cash and cash equivalents, investments and funds held for customers	$	2,233	$	2,234	$	1,951	$	1,979

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, 2014				July 31, 2013
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	363	$	363	$	234	$	235
Due within two years	443		443		245		245
Due within three years	303		303		211		210
Due after three years	120		121		170		170
Total available-for-sale debt securities	$	1,229	$	1,230	$	860	$	860