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

9 Months Ended

Apr. 30, 2017

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.

	April 30, 2017				July 31, 2016
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Classification on balance sheets:
Cash and cash equivalents	$	1,350	$	1,350	$	638	$	638
Investments	243		243		441		442
Funds held for customers	323		323		304		304
Long-term investments	28		28		28		28
Total cash and cash equivalents, investments, and funds held for customers	$	1,944	$	1,944	$	1,411	$	1,412

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.

	April 30, 2017				July 31, 2016
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Type of issue:
Total cash and cash equivalents	$	1,473	$	1,473	$	742	$	742
Available-for-sale debt securities:
Municipal bonds	85		85		186		186
Corporate notes	358		358		419		420
U.S. agency securities	—		—		36		36
Municipal auction rate securities	15		15		15		15
Total available-for-sale debt securities	458		458		656		657
Other long-term investments	13		13		13		13
Total cash and cash equivalents, investments, and funds held for customers	$	1,944	$	1,944	$	1,411	$	1,412

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.

	April 30, 2017				July 31, 2016
(In millions)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	184	$	184	$	285	$	285
Due within two years	180		180		209		210
Due within three years	71		71		143		143
Due after three years	23		23		19		19
Total available-for-sale debt securities	$	458	$	458	$	656	$	657