XML 25 R31.htm IDEA: XBRL DOCUMENT v2.4.0.8
Cash and Cash Equivalents, Investments and Funds Held for Customers Classified by the stated maturity date (Details) (USD $)
In Millions, unless otherwise specified
Oct. 31, 2013
Jul. 31, 2013
Available-for-sale Securities, Debt Maturities    
Due within one year, Amortized Cost $ 239 $ 234
Due within one year, Fair Value 239 235
Due within two years, Amortized Cost 297 245
Due within two years, Fair Value 298 245
Due within three years, Amortized Cost 183 211
Due within three years, Fair Value 184 210
Due after three years, Amortized Cost 149 170
Due after three years, Fair Value 149 170
Total available-for-sale debt securiites, Amortized Cost 868 860
Total available-for-sale debt securiites, Fair Value $ 870 $ 860