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

9 Months Ended

Apr. 30, 2011

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

	April 30, 2011				July 31, 2010
	Amortized				Amortized
(In millions)	Cost		Fair Value		Cost		Fair Value
Classification on balance sheets:
Cash and cash equivalents	$	1,369	$	1,369	$	214	$	214
Investments		458		459		1,407		1,408
Funds held for customers		382		383		336		337
Long-term investments		81		81		91		91
Total cash and cash equivalents, investments and funds held for customers	$	2,290	$	2,292	$	2,048	$	2,050

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

	April 30, 2011				July 31, 2010
	Amortized				Amortized
(In millions)	Cost		Fair Value		Cost		Fair Value
Type of issue:
Total cash and cash equivalents	$	1,577	$	1,577	$	401	$	401
Available-for-sale debt securities:
Municipal bonds		357		357		1,049		1,050
Municipal auction rate securities		77		77		87		87
Corporate notes		199		200		333		334
U.S. agency securities		76		77		174		174
Total available-for-sale debt securities		709		711		1,643		1,645
Other long-term investments		4		4		4		4
Total cash and cash equivalents, investments and funds held for customers	$	2,290	$	2,292	$	2,048	$	2,050

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

	April 30, 2011				July 31, 2010
	Amortized				Amortized
(In millions)	Cost		Fair Value		Cost		Fair Value
Due within one year	$	283	$	283	$	432	$	433
Due within two years		182		183		365		366
Due within three years		109		110		164		164
Due after three years		135		135		682		682
Total available-for-sale debt securities	$	709	$	711	$	1,643	$	1,645