Segment Information - Segment Reporting Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 15, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Net Sales		$ 525	$ 429	$ 995	$ 863
Income (Loss) from Operations		9	22	(10)	135
Interest and debt expense		(35)	(14)	(62)	(22)
Loss on extinguishment of debt				(4)
Other income (expense)		26	(3)	32	(4)
Gain on bargain purchase	205		1,055		1,055
Income (Loss) from Continuing Operations before Income Taxes			1,060	(44)	1,164
Depreciation, Depletion and Amortization		73	31	146	53
Capital Expenditures		34	27	79	48
Minerals Sands [Member]
Segment Reporting Information [Line Items]
Net Sales		312	89	610	172
Income (Loss) from Operations		68	46	164	97
Depreciation, Depletion and Amortization		49	11	98	15
Capital Expenditures		18	20	49	20
Pigment [Member]
Segment Reporting Information [Line Items]
Net Sales		304	348	592	710
Income (Loss) from Operations		(56)	37	(124)	146
Depreciation, Depletion and Amortization		20	16	41	31
Capital Expenditures		12	3	25	15
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Net Sales		35	27	62	58
Income (Loss) from Operations		(11)	(76)	(35)	(104)
Depreciation, Depletion and Amortization		4	4	7	7
Capital Expenditures		4	4	5	13
Eliminations [Member]
Segment Reporting Information [Line Items]
Net Sales		(126)	(35)	(269)	(77)
Income (Loss) from Operations		$ 8	$ 15	$ (15)	$ (4)