XML 27 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Contractual Maturities of Cash Equivalents and Available-For-Sale Investments (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Amortized Cost  
Mature in less than one year, amortized Cost $ 1,289.8
Mature in one to five years, amortized Cost 1,742.2
Mature in after five years, amortized Cost 8.0
Total, amortized Cost 3,040.0
Fair Value  
Mature in less than one year, fair value 1,291.4
Mature in one to five years, fair value 1,750.4
Mature in after five years, fair value 7.4
Total, fair value $ 3,049.2