Acquisitions and Dispositions (Additional Information) (Detail) store in Thousands, $ in Millions			1 Months Ended			3 Months Ended									12 Months Ended
	Apr. 02, 2013 USD ($)	Jan. 28, 2013 USD ($) shares	Nov. 30, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jul. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Nov. 05, 2014 employee Facility distribution_center concessionaire store
Business Acquisition [Line Items]
Business Acquisition Cost Of Acquired Entity Purchase Price Including Cash To Be Paid						$ 371				$ 189					$ 371	$ 189	$ 36
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life															24 years	10 years
Total purchase price, net of cash acquired															$ 320	$ 2,113	983
Repayments of Assumed Debt															0	314	0
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual															900
Proceeds from separation of business		$ 900											$ 1,735
Cash Divested from Deconsolidation		$ 27
After-tax proceeds from divestiture of business													1,500
Equity Method Investment, Ownership Percentage					40.00%
Share of net earnings (loss) of equity affiliates															11	101	(8)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax													1,468
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax													946	$ 2,200
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation													522
discontinued operations tax on disposal - deferred portion													262
Discontinued operations, transactions costs incurred in divestiture													$ 55
Term Of Dye Supply Agreement													5 years
Income from discontinued operations, net of tax															1	1,002	2,380
Less: net income attributable to noncontrolling interests															21	57	122
Discontinued operations						$ 0	$ 0	$ 0	$ 1	(3)	$ (6)	$ (7)	$ 985		1	969	2,281
Common stock available for distribution in exchange | shares		35,200,000.0
Value Of Shares Received		$ 1,800
Final exchange ratio | shares		3.2562
Treasury Stock, Shares, Acquired | shares		21,650,454
Increase in treasury stock as a result of tender offer, noncash financing activity		$ 1,561
Comex acquisition
Business Acquisition [Line Items]
Total purchase price, net of cash acquired			$ 1,950
Cash Acquired from Acquisition			$ 69
Repayments of Assumed Debt										$ 280
Number of Stores | store																		4
number of concessionaires | concessionaire																		700
Entity Number of Employees | employee																		3,900
Number of manufacturing facilities | Facility																		8
Number of Distribution Centers | distribution_center																		6
Consorcio Comex, S.A. de C.V. [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities															$ 3
AkzoNobel NA Architectural coatings acquisition
Business Acquisition [Line Items]
Total purchase price, net of cash acquired	$ 947
Flat Glass Manufacturing Facility
Business Acquisition [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal				$ 22
Sunlens Optical Business
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent													100.00%
Transitions Optical Business
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent													51.00%
Disposal Group, Including Discontinued Operation, Revenue																247	843
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax																1,468	0
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax																104	263
Discontinued Operation, Tax Effect of Discontinued Operation																570	80
Income from discontinued operations, net of tax																1,002	183
Less: net income attributable to noncontrolling interests																(33)	(99)
Discontinued operations																$ 969	84
Commodity Chemicals Segment
Business Acquisition [Line Items]
Proceeds from separation of business		67
Disposal Group, Including Discontinued Operation, Revenue																	108
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax																	2,192
Discontinued Operation, Tax Effect of Discontinued Operation																	(5)
Discontinued operations																	$ 2,197
Pittsburgh Glass Works L L C [Member]
Business Acquisition [Line Items]
Equity Method Investment, Ownership Percentage						40.00%									40.00%
Share of net earnings (loss) of equity affiliates					$ 94
Proceeds from Equity Method Investment, Dividends or Distributions					$ 41
Pensions | Commodity Chemicals Segment
Business Acquisition [Line Items]
Net partial settlement loss		$ 33