DIVESTITURES - The Major Classes of Line Items Constituting Pre-tax (Loss) Profit (Details) - TopBuild $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Pre-tax profit (Loss) of discontinued operations
Net sales	$ 762
Cost of sales	603
Gross profit	159
Selling, general and administrative expenses	148
Income from discontinued operations	11
Loss on disposal of discontinued operations, net	(1)
Income before income tax	10
Income tax expense	(12)
Loss from discontinued operations, net	$ (2)