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Carrying Amounts and Classification of Assets and Liabilities Included in Consolidated Balance Sheet Related to Consolidated VIE (Detail) $ in Millions	Dec. 31, 2016 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Current assets	$ 256
Noncurrent assets	221
Total assets	477
Current liabilities	288
Noncurrent liabilities	2
Total liabilities	$ 290

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- Definition

Variable Interest Entity Consolidated Carrying Amount Assets Current

+ References

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- Definition

Variable Interest Entity Consolidated Carrying Amount Assets Noncurrent

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- Definition

Variable Interest Entity Consolidated Carrying Amount Liabilities Current

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- Definition

Variable Interest Entity Consolidated Carrying Amount Liabilities Noncurrent

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5710-111685

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- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5710-111685

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