Authorized Share Capital.

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Compensation cost, excluding payroll tax and social contribution, capitalized as part of inventory.

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Deferred Income Tax Expense relating To Unvested Share Based Compensation Expense.

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Preference shares outstanding maximum period.

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Share based compensation arrangement by share based payment award equity instruments other than options nonvested weighted average nominal value per share.

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested.

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Share Based Compensation Arrangement By Share Based Payment Award Nonvested Shares Vested Award Requisite Service Period.

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Share based compensation arrangement by share based payment award options vested and expected to vest percentage.

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Share based compensation arrangement by share based payment award percentage of weight to number of awards granted.

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Share issued as a percentage of par value of the preference shares to be issued.

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Shares Granted Upon Performance Condition Achievement

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Treasury Stock Repurchase Authorization.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The month and year (YYYY-MM) that the dividend to be paid was declared.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Shareholders' Equity - Additional Information (Detail)			1 Months Ended		3 Months Ended													6 Months Ended			12 Months Ended
Shareholders' Equity - Additional Information (Detail)	May 25, 2016 $ / shares	May 27, 2015 $ / shares	Oct. 31, 2016	Dec. 31, 2014 USD ($)	Mar. 31, 2017 $ / shares	Dec. 31, 2016 USD ($) $ / shares shares	Sep. 30, 2016 USD ($) $ / shares	Jun. 30, 2016 USD ($) $ / shares	Mar. 31, 2016 $ / shares	Dec. 31, 2015 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) $ / shares	Jun. 30, 2015 USD ($) $ / shares	Mar. 31, 2015 $ / shares	Dec. 31, 2014 USD ($) $ / shares	Sep. 30, 2014 USD ($) $ / shares	Jun. 30, 2014 USD ($) $ / shares	Dec. 31, 2013 USD ($) $ / shares	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) $ / shares	Dec. 31, 2013 $ / shares	Dec. 31, 2008 USD ($) shares	Dec. 31, 2007	Dec. 31, 2016 EUR (€) € / shares shares	Dec. 31, 2015 € / shares	Jun. 13, 2014 shares	May 20, 2012	May 20, 2011	May 20, 2010	Jan. 22, 2007 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Authorized share capital \| €																											€ 1,810,000,000
Common stock, shares authorized						1,200,000,000				1,200,000,000											1,200,000,000	1,200,000,000					1,200,000,000
Preference stock, shares authorized						540,000,000				540,000,000											540,000,000	540,000,000					540,000,000						540,000,000
Common stock, nominal value \| € / shares																											€ 1.04	€ 1.04
Common stock, shares issued						911,030,420				910,967,920											911,030,420	910,967,920					911,030,420
Common stock, shares outstanding						883,410,506				878,537,339											883,410,506	878,537,339					883,410,506
Shares issued as a percentage of par value of the preference shares to be issued																																	25.00%
Preference shares outstanding maximum period																										2 years
Expiration extended period of options after date of grant,in years			10 years
Preference share issued						0				0											0	0					0
Repurchase of common shares authorized to repurchase \| $																									$ 30,000,000
Acquisition of shares																									29,520,220
Number of common shares authorized to repurchase																													20,000,000
Company owned treasury shares						27,619,914				32,430,581											27,619,914	32,430,581					27,619,914
Transfer of treasury shares to employees under the Company's share based remuneration programs						35,300,306															35,300,306						35,300,306
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					4,810,667
Total intrinsic value of options exercised \| $										$ 1,000,000												$ 1,000,000
Total intrinsic value of options outstanding \| $						$ 3,000,000															$ 3,000,000
Fair value of shares vested \| $																					42,000,000	35,000,000
Compensation cost, excluding payroll tax and social contribution, capitalized as part of inventory \| $				$ 2,000,000		2,000,000				$ 2,000,000				$ 2,000,000							2,000,000	2,000,000	$ 2,000,000
Total unrecognized compensation cost related to the grant of unvested shares \| $						$ 35,000,000															$ 35,000,000
Employee service share-based compensation, unvested awards, total compensation cost not yet recognized, period for recognition																					9 months
Deferred income tax benefit relating to unvested share based compensation expense \| $																					$ 2,000,000	2,000,000	1,000,000
Dividends, per share \| $ / shares	$ 0.24	$ 0.40				$ 0.06	$ 0.06	$ 0.06	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10
Dividend paid \| $				87,000,000		$ 47,000,000	$ 53,000,000	$ 53,000,000		$ 88,000,000	$ 78,000,000	$ 88,000,000		$ 4,000,000	$ 85,000,000	$ 89,000,000	$ 89,000,000		$ 88,000,000	$ 89,000,000
Dividends payable to stockholders \| $				$ 87,000,000		$ 59,000,000		$ 9,000,000		$ 97,000,000	$ 9,000,000			$ 87,000,000					$ 9,000,000		$ 59,000,000	$ 97,000,000	$ 87,000,000
Dividend payable date				2014-12		2016-12			2016-03	2015-12			2015-03	2014-12	2014-09	2014-06	2013-12			2014-06	2016-12	2015-12	2014-12	2013-12			2016-12
March 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends, per share \| $ / shares																								$ 0.10
Dividend payable date																	2014-03							2014-03
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of options exercised \| $						$ 1,000,000															$ 1,000,000
Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends, per share \| $ / shares					$ 0.06
Dividend payable date					2017-03
Scenario, Forecast [Member] \| Dividend Distribution Fourth Installment [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend paid \| $																		$ 53,000,000
Scenario, Forecast [Member] \| Dividend Distribution Remaining Portion of Third Installment [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend paid \| $																		$ 6,000,000
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					4,810,667
Vesting schedule for Supervisory Board																					One third of the total number of awards granted
Vesting period of awards																					3 years
2013 CEO Special Bonus [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					21,283
Weighted average grant-date fair value of nonvested shares granted to employees under Employee Plan \| $ / shares																								$ 9.35
Employee Plan 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of nonvested shares granted to employees under Employee Plan \| $ / shares																					$ 9.55
Number of shares to vest																					One third of the awards granted will fully vest
Employee Plan 2013 [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					1,452,592
2014 CEO Special Bonus [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					11,494
Weighted average grant-date fair value of nonvested shares granted to employees under Employee Plan \| $ / shares																							$ 9.35
Employee Plan 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of nonvested shares granted to employees under Employee Plan \| $ / shares																					$ 9.23
Employee Plan 2014 [Member] \| Performance Conditions [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares to vest																					One third of the awards granted will fully vest
Employee Plan 2014 [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					1,599,079
Supervisory Board 2012 Plan [Member] \| Supervisory Board [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards are granted at the nominal value of the share \| € / shares																											€ 1.04
Employee Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of nonvested shares granted to employees under Employee Plan \| $ / shares																					$ 7.62
Employee Plan 2015 [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					1,706,244
Employee Plan 2016 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of nonvested shares granted to employees under Employee Plan \| $ / shares																					$ 6.37
Options expected to vest, options (in shares)						3,074,320															3,074,320						3,074,320
Options expected to vest, options percentage																					45.00%
Employee Plan 2016 [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Transfer of treasury shares to employees under the Company's share based remuneration during the year																					2,185
Employee Plan 2009 [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sub plan for employees of Company's European subsidiaries for statutory payroll tax purposes nonvested shares vested over requisite service period																														36.00%	32.00%	32.00%
Sales Evolution and Operating Income Compared to a Basket of Competitors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation arrangement by share based payment award percentage of weight to total number of awards granted																					80.00%
Days of Sales Outstanding Compared to the Budget and Return on Net Assets Compared to Budget [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation arrangement by share based payment award percentage of weight to total number of awards granted																					20.00%