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Long-Term Employee Benefit Liabilities - Schedule of Company's Defined Benefit Pension Plans (Parenthetical) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension, non cash settlement	$ 13
Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plan assets, settlement	$ 32
Target allocation in 2017	100.00%
Asset allocation of defined benefit pension plans	100.00%
Equity Investments [Member] | Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation in 2017, minimum	55.00%
Target allocation in 2017, maximum	75.00%
Asset allocation of defined benefit pension plans	61.00%
Fixed Income Securities [Member] | Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation in 2017, minimum	25.00%
Target allocation in 2017, maximum	45.00%
Asset allocation of defined benefit pension plans	39.00%
Cash and Cash Equivalents [Member] | Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation in 2017, minimum	0.00%
Target allocation in 2017, maximum	15.00%
Asset allocation of defined benefit pension plans	0.00%

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Defined Benefit Plan Net Periodic Costs Non Cash Settlements

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Amount of plan assets that relate to an irrevocable action that relieves the employer, or plan, of primary responsibility for a benefit obligation and eliminates risks related to the obligation and the assets used to effect settlement. Includes, but is not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified pension benefits and purchasing annuity contracts to cover vested benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 60
-Section 35
-Paragraph 123
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-URI http://asc.fasb.org/extlink&oid=64937487&loc=d3e36068-114959

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Target allocation of investments of this type to total plan assets presented on a weighted average basis.

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Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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