Contingencies - Tronox Litigation (Detail) (USD $)	12 Months Ended			3 Months Ended			12 Months Ended	21 Months Ended								12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012 Tronox Litigation [Member] Pending Litigation [Member]	Mar. 31, 2012 Tronox Litigation [Member] Pending Litigation [Member]	Dec. 31, 2011 Tronox Litigation [Member] Pending Litigation [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member]	Feb. 28, 2014 Tronox Litigation [Member] Pending Litigation [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Aggregating Kerr-McGee's 502(h) Claim with Class 3 claims [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Bankruptcy Court Memorandum Of Opinion, After Trial [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Bankruptcy Court Memorandum Of Opinion, After Trial [Member] Aggregating Kerr-McGee's 502(h) Claim with Class 3 claims [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Bankruptcy Court's finding of net present value of legacy environmental and tort liabilities at IPO date [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Plaintiffs' Requested 502(h) Claim [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Plaintiffs' Alternative Requested Dilution [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Plaintiffs' Alternative Requested Dilution [Member] Aggregating Kerr-McGee's 502(h) Claim with Class 3 claims [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Excluding Pre-Judgment Interest Sought and Attorneys' Fees and Costs [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Attorneys' Fees and Costs [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Excluding Attorneys' Fees and Costs [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Pre-Judgment Interest [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Post-Judgment Interest [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Low End of Range of Probable Loss [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Low End of Range of Probable Loss [Member] Bankruptcy Court Memorandum Of Opinion, After Trial [Member]		Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Low End of Range of Probable Loss [Member] Kerr-McGee's 502(h) Claim [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] Low End of Range of Probable Loss [Member] Kerr-McGee's Estimated Entitled Recovery Percentage [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] High End of Range of Probable Loss [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] High End of Range of Probable Loss [Member] Bankruptcy Court Memorandum Of Opinion, After Trial [Member]		Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] High End of Range of Probable Loss [Member] Mid-point in plaintiffs' post-petition estimate of potential legacy environmental and tort liabilities as of 2010 [Member]	Dec. 31, 2013 Tronox Litigation [Member] Pending Litigation [Member] High End of Range of Probable Loss [Member] Estimated average percentage recovery for Class 3 General Unsecured Creditors [Member]
Loss Contingencies [Line Items]
Tronox-related contingent loss	$ 850,000,000	$ (250,000,000)	$ 250,000,000	$ (525,000,000)	$ 275,000,000	$ 250,000,000
Tronox-related contingent liability	850,000,000	0		0	525,000,000		850,000,000										0		0	0
Value of transferred assets as of the IPO date										14,459,000,000												14,459,000,000	[1]				14,459,000,000	[1]
502(h) Claim										10,459,000,000	293,000,000		0											13,609,000,000			10,459,000,000
Range of possible loss, minimum																					850,000,000
Legacy environmental and tort liabilities												(1,757,000,000)																	(4,000,000,000)
Recovery Percentage									2.80%					68.00%	2.80%										100.00%					89.00%
Damages sought								20,770,000,000								18,850,000,000
Pre-judgment interest rate sought							6.00%
Range of possible loss, maximum							14,520,000,000		14,160,000,000								61,000,000	14,459,000,000
Range of probable loss, maximum																										5,150,000,000
Offset amount																					(13,609,000,000)					(9,309,000,000)
Net Creditor Shortfall																					(850,000,000)
Post-judgment interest rate							0.13%
Tax benefit recognized on liability accrued percentage							88.00%
Tronox-related contingent loss	850,000,000	(250,000,000)	250,000,000				850,000,000
Deferred tax benefit	$ (137,000,000)	$ (159,000,000)	$ 1,453,000,000				$ 274,000,000

[1] As determined by the Bankruptcy Court.