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Guarantor Condensed Consolidating Financial Statements, Schedule of Guarantor Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities [Abstract]
Net income (loss)	$ (38)	$ (94)
Depreciation, depletion and amortization	61	55
Other	37	40
Cash provided by (used in) operating activities	60	1
Cash Flows from Investing Activities [Abstract]
Capital expenditures	(32)	(33)
Proceeds from sale of assets	0	1
Collections of intercompany loans	0	0
Issuance of intercompany loans	0	0
Cash provided by (used in) investing activities	(32)	(32)
Cash Flows from Financing Activities [Abstract]
Repayments of debt	(4)	(19)
Repayments of intercompany loans	0	0
Proceeds from intercompany loans	0	0
Dividends paid	(6)	(30)
Restricted stock and performance-based shares settled in cash for taxes	(2)	0
Cash provided by (used in) financing activities	(12)	(49)
Effects of exchange rate changes on cash and cash equivalents	1	3
Net increase (decrease) in cash and cash equivalents	17	(77)
Cash and cash equivalents at beginning of period	248	229
Cash and cash equivalents at end of period	265	152
Eliminations [Member]
Cash Flows from Operating Activities [Abstract]
Net income (loss)	39	187
Depreciation, depletion and amortization	0	0
Other	(39)	(187)
Cash provided by (used in) operating activities	0	0
Cash Flows from Investing Activities [Abstract]
Capital expenditures	0	0
Proceeds from sale of assets		0
Collections of intercompany loans	(71)	(97)
Issuance of intercompany loans	15	67
Cash provided by (used in) investing activities	(56)	(30)
Cash Flows from Financing Activities [Abstract]
Repayments of debt	0	0
Repayments of intercompany loans	71	97
Proceeds from intercompany loans	(15)	(67)
Dividends paid	0	0
Restricted stock and performance-based shares settled in cash for taxes	0
Cash provided by (used in) financing activities	56	30
Effects of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Tronox Finance LLC [Member]
Cash Flows from Operating Activities [Abstract]
Net income (loss)	(18)	(15)
Depreciation, depletion and amortization	0	0
Other	(33)	(36)
Cash provided by (used in) operating activities	(51)	(51)
Cash Flows from Investing Activities [Abstract]
Capital expenditures	0	0
Proceeds from sale of assets		0
Collections of intercompany loans	50	79
Issuance of intercompany loans	0	0
Cash provided by (used in) investing activities	50	79
Cash Flows from Financing Activities [Abstract]
Repayments of debt	0	(15)
Repayments of intercompany loans	0	0
Proceeds from intercompany loans	0	0
Dividends paid	0	0
Restricted stock and performance-based shares settled in cash for taxes	0
Cash provided by (used in) financing activities	0	(15)
Effects of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	(1)	13
Cash and cash equivalents at beginning of period	1	0
Cash and cash equivalents at end of period	0	13
Parent Company [Member]
Cash Flows from Operating Activities [Abstract]
Net income (loss)	(41)	(93)
Depreciation, depletion and amortization	0	0
Other	42	137
Cash provided by (used in) operating activities	1	44
Cash Flows from Investing Activities [Abstract]
Capital expenditures	0	0
Proceeds from sale of assets		0
Collections of intercompany loans	0	0
Issuance of intercompany loans	0	0
Cash provided by (used in) investing activities	0	0
Cash Flows from Financing Activities [Abstract]
Repayments of debt	0	0
Repayments of intercompany loans	0	(79)
Proceeds from intercompany loans	15	67
Dividends paid	(6)	(30)
Restricted stock and performance-based shares settled in cash for taxes	(2)
Cash provided by (used in) financing activities	7	(42)
Effects of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	8	2
Cash and cash equivalents at beginning of period	2	1
Cash and cash equivalents at end of period	10	3
Guarantor Subsidiaries [Member]
Cash Flows from Operating Activities [Abstract]
Net income (loss)	(18)	(151)
Depreciation, depletion and amortization	45	46
Other	52	133
Cash provided by (used in) operating activities	79	28
Cash Flows from Investing Activities [Abstract]
Capital expenditures	(23)	(23)
Proceeds from sale of assets		1
Collections of intercompany loans	0	0
Issuance of intercompany loans	(15)	(67)
Cash provided by (used in) investing activities	(38)	(89)
Cash Flows from Financing Activities [Abstract]
Repayments of debt	0	0
Repayments of intercompany loans	(71)	(18)
Proceeds from intercompany loans	0	0
Dividends paid	0	0
Restricted stock and performance-based shares settled in cash for taxes	0
Cash provided by (used in) financing activities	(71)	(18)
Effects of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	(30)	(79)
Cash and cash equivalents at beginning of period	181	165
Cash and cash equivalents at end of period	151	86
Non-Guarantor Subsidiaries [Member]
Cash Flows from Operating Activities [Abstract]
Net income (loss)	0	(22)
Depreciation, depletion and amortization	16	9
Other	15	(7)
Cash provided by (used in) operating activities	31	(20)
Cash Flows from Investing Activities [Abstract]
Capital expenditures	(9)	(10)
Proceeds from sale of assets		0
Collections of intercompany loans	21	18
Issuance of intercompany loans	0	0
Cash provided by (used in) investing activities	12	8
Cash Flows from Financing Activities [Abstract]
Repayments of debt	(4)	(4)
Repayments of intercompany loans	0	0
Proceeds from intercompany loans	0	0
Dividends paid	0	0
Restricted stock and performance-based shares settled in cash for taxes	0
Cash provided by (used in) financing activities	(4)	(4)
Effects of exchange rate changes on cash and cash equivalents	1	3
Net increase (decrease) in cash and cash equivalents	40	(13)
Cash and cash equivalents at beginning of period	64	63
Cash and cash equivalents at end of period	$ 104	$ 50

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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