Maximum Potential Amount of Future Fundings as the Primary Obligor for Guarantees and the Liability for Expected Future Fundings (Detail) (Primary Obligor, USD $)
In Millions, unless otherwise specified |
Jun. 30, 2013
|
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Guarantor Obligations [Line Items] | |
Maximum Potential Amount of Future Fundings | $ 211 |
Liability for Guarantees | 58 |
Debt service
|
|
Guarantor Obligations [Line Items] | |
Maximum Potential Amount of Future Fundings | 87 |
Liability for Guarantees | 6 |
Operating profit
|
|
Guarantor Obligations [Line Items] | |
Maximum Potential Amount of Future Fundings | 109 |
Liability for Guarantees | 50 |
Other
|
|
Guarantor Obligations [Line Items] | |
Maximum Potential Amount of Future Fundings | 15 |
Liability for Guarantees | $ 2 |