INCOME TAXES - General Textual Disclosures (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2016	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes
Net long-term deferred tax assets	$ 68			$ 68	$ 184
Income tax benefit				(296)	(293)	$ 361
Valuation allowance	45			45	49
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net					53
Tax benefit from release of valuation allowance			$ 517
Deferred tax asset related to net operating loss and tax credit carryforwards				60	94
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				35	67
Deferred tax assets related to net operating loss and tax credit carryforwards with unlimited expiration period				25	27
Income taxes paid				190	107	80
State
Income Taxes
Tax benefit, reversal of accrual for uncertain tax positions, expiration of statutes of limitations and settlements on audits				8	5	8
Non-cash charge to deferred income tax (benefit) expense due to change in deferred tax assets valuation allowance				5	(1)	(29)
Foreign
Income Taxes
Non-cash charge to deferred income tax (benefit) expense due to change in deferred tax assets valuation allowance				6	12	$ (6)
Income tax benefit					(19)
Tax benefit from release of valuation allowance		$ 12
Federal
Income Taxes
Disproportionate Tax Effect in OCI				14
Income tax benefit	13
TopBuild
Income Taxes
Valuation allowance					21
Other non-current assets
Income Taxes
Net long-term deferred tax assets	68			68	184
Other non-current liabilities
Income Taxes
Net long-term deferred tax liabilities	$ 20			$ 20	$ 17