FAIR VALUE DISCLOSURES (DETAILS 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value Measurements Not Included In Quantitative Information About Level 3 Fair Value Measurements	$ 34	$ 33

Represents tho fair value of level 3 fair value measurements of investments for which the underlying quantitative inputs are not developed by the Company or are not reasonably available.

No definition available.

Name:	mloa_FairValueMeasurementsNotIncludedInQuantitativeInformationAboutLevel3FairValueMeasurements
Namespace Prefix:	mloa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant