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Contingencies and Commitments - Additional Information - 1 (Detail) In Millions, unless otherwise specified | 1 Months Ended | 3 Months Ended |  |  | 3 Months Ended | 1 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended
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Jan. 31, 2007 | Mar. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Jun. 30, 2012 USD ($) | Jun. 30, 2012 EUR (€) | Mar. 31, 2014 Minimum [Member] | Mar. 31, 2014 Maximum [Member] | Mar. 31, 2014 Recurring Costs of Managing Hazardous Substances and Environmental Programs [Member] | Jan. 31, 2007 Spanish Government [Member] | Jan. 31, 2007 Tariffs Granted by Spain [Member] USD ($) | Jan. 31, 2007 Tariffs Granted by Spain [Member] EUR (€) | Mar. 31, 2014 Grasse River [Member] USD ($) | Mar. 31, 2014 Massena West NY and Point Henry and Yennora Australia [Member] USD ($) | Mar. 31, 2014 Other Sites [Member] USD ($) | Mar. 31, 2014 Massena West, NY [Member] USD ($) | Mar. 31, 2014 Sherwin, TX site [Member] USD ($) | Mar. 31, 2014 Sherwin, TX site [Member] Minimum [Member] | Mar. 31, 2014 Sherwin, TX site [Member] Maximum [Member] | Mar. 31, 2014 East St. Louis, IL Site [Member] USD ($) | Mar. 31, 2014 East St. Louis, IL Site [Member] Minimum [Member] | Mar. 31, 2014 East St. Louis, IL Site [Member] Maximum [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of years operating under a power supply structure |  |  |  |  |  |  |  |  | 9 years |  |  |  |  |  |  |  |  |  |  |  |
Days provided to submit observations and comments to the EC | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, range of possible loss, maximum |  |  |  | $ 417 | € 303 |  |  |  |  | $ 95 | € 70 |  |  |  |  |  |  |  |  |  |
Number of cleanup locations |  | More than 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remediation reserve balance |  | 565 | 509 |  |  |  |  |  |  |  |  |  |  |  | 241 | 34 |  |  | 24 |  |
Remediation reserve balance, classified as a current liability |  | 73 | 48 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remediation reserve increase |  | 38 |  |  |  |  |  |  |  |  |  | 47 |  |  |  |  |  |  |  |  |
Remediation reserve adjustment |  | 42 |  |  |  |  |  |  |  |  |  |  | 38 | 9 |  |  |  |  |  |  |
Payments related to remediation expenses applied against the reserve |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in reserves due to effects of foreign currency translation |  | $ 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of cost of goods sold |  |  |  |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Planning and design phase period |  |  |  |  |  | 2 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual remediation fieldwork period |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Majority of the project funding Period |  |  |  |  |  | 2016 | 2020 |  |  |  |  |  |  |  |  |  |  |  |  | 2014 | 2015
Guarantees, expiration date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2014 | 2019 |  |  |

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