XML 66 R96.htm IDEA: XBRL DOCUMENT v2.4.0.8

SEVERANCE COSTS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
SEVERANCE COSTS
Severance and early retirement program costs	$ 20	$ 35	$ 15

X

- Definition

Represents one-time severance and early retirement costs that are not part of a restructuring plan nor associated with a discontinued operation.

+ References

No definition available.

+ Details

Name:	mas_SeveranceAndRetirementCosts
Namespace Prefix:	mas_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	mas_SeveranceCostsAbstract
Namespace Prefix:	mas_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration