INCOME TAXES - General Textual Disclosures (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2010	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net					$ 53
Increase in deferred tax asset net	$ 190
Valuation allowance		$ 66			49	$ 66
Income tax expense (benefit)					293	(361)	$ 86
Tax benefit from release of valuation allowance			$ 517
Deferred tax asset related to net operating loss and tax credit carryforwards					94	238
Deferred tax assets related to net operating loss and tax credit carryforwards expiring between 2020 and 2032 for 2012 and between 2020 and 2033 for 2013					67	233
Deferred tax assets related to net operating loss and tax credit carryforwards with unlimited expiration period					27	5
Federal
Income Taxes
Increase (decrease) in valuation allowance								$ 65	$ 87	$ 372
Period of cumulative loss position				3 years
State
Income Taxes
Tax benefit, reversal of accrual for uncertain tax positions, expiration of statutes of limitations and settlements on audits					5	8	8
Non-cash charge to deferred income tax (benefit) expense due to change in deferred tax assets valuation allowance					(1)	(29)	$ 19
Foreign
Income Taxes
Non-cash charge to deferred income tax (benefit) expense due to change in deferred tax assets valuation allowance					12	$ (6)
Income tax expense (benefit)					19
Tax benefit from release of valuation allowance		$ 12
TopBuild
Income Taxes
Valuation allowance					$ 21